@import"https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800;900&display=swap";:root{--black: #0b0b0f;--white: #ffffff;--violet-500: #7c5cff;--violet-600: #6a4df5;--violet-700: #5a3ee0;--gray-300: #c9c9d1;--bg-main: var(--black);--bg-card: #12121a;--bg-input: #0b0b0f;--text-main: var(--white);--text-muted: var(--gray-300);--border-soft: rgba(255, 255, 255, .08);--border-input: rgba(255, 255, 255, .14);--shadow-focus: 0 0 0 3px rgba(124, 92, 255, .18);--radius: 14px;--radius-sm: 10px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;width:100%;height:100%;margin:0;padding:0}body{margin:0;padding:0;width:100%;height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text-main);background:#07070b;overflow-x:hidden}#root{width:100%;height:100%;margin:0;padding:0}section{scroll-margin-top:80px}.main{width:100%;max-width:100%;margin:0;padding:0}.main:not(.chat-view):not(.folder-chat-view){padding-top:52px}.section{padding:44px 16px}.section-title{margin:0 0 10px;font-size:22px;letter-spacing:.2px}.section-subtitle{margin:0 0 18px;color:var(--text-muted);line-height:1.5;max-width:70ch}.header{position:fixed;top:0;left:0;right:0;z-index:100;background:#0b0b0ff2;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.1);height:52px}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:6px 16px;max-width:100%;margin:0 auto;height:100%}.brand{display:flex;align-items:center;gap:6px;-webkit-user-select:none;user-select:none}.logo{width:32px;height:32px;background:transparent;border:none;box-shadow:none;border-radius:0;display:grid;place-items:center}.logo-img{width:32px;height:32px;object-fit:contain;display:block;filter:drop-shadow(0 4px 8px rgba(124,92,255,.22))}.brand-text{display:flex;flex-direction:column;line-height:1;gap:1px}.brand-name{font-weight:900;font-size:14px;letter-spacing:.2px}.brand-tagline{font-size:10px;color:#ffffff9e;letter-spacing:.15px}.nav{display:flex;align-items:center;gap:10px}.nav a{font-size:13px;color:var(--text-muted);text-decoration:none;position:relative;padding-bottom:3px;transition:color .18s ease}.nav a:hover{color:var(--violet-500)}.nav a:after{content:"";position:absolute;left:0;bottom:0;width:0%;height:2px;border-radius:999px;background:linear-gradient(90deg,var(--violet-500),var(--violet-700));box-shadow:0 0 14px #7c5cff59;transition:width .22s ease}.nav a:hover:after{width:100%}.nav-auth{margin-left:10px;display:flex;align-items:center}.nav-btn{border-radius:999px;padding:6px 11px;font-size:12px;font-weight:700;letter-spacing:.2px;cursor:pointer;border:none;transition:transform .14s ease,box-shadow .14s ease,filter .14s ease}.nav-btn--login{background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;box-shadow:0 4px 12px #7c5cff4d}.nav-btn--login:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 8px 18px #7c5cff61}.nav-btn--logout{background:#ffffff0f;color:#ffffffe6;border:1px solid rgba(255,255,255,.18)}.nav-btn--logout:hover{background:#ffffff1a;box-shadow:0 0 0 3px #ffffff14}.plans{padding:48px 16px;max-width:1200px;margin:0 auto}.plans-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:32px}.plan-card{position:relative;background:linear-gradient(135deg,#23232d99,#1c1c2499);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:28px 32px;overflow:hidden;box-shadow:0 8px 32px #0000004d;transition:all .25s ease;display:grid;grid-template-columns:1fr;gap:20px}.plan-card:before{content:"";position:absolute;inset:-100%;background:radial-gradient(circle at 50% 0%,rgba(124,92,255,.08),transparent 70%);filter:blur(40px);opacity:0;transition:opacity .3s ease;pointer-events:none}.plan-card:hover{transform:translateY(-4px);border-color:#7c5cff33;box-shadow:0 12px 48px #0006}.plan-card:hover:before{opacity:1}.plan-card--premium{background:linear-gradient(135deg,#37324bb3,#28263ab3);border:1px solid rgba(124,92,255,.2)}.plan-card--premium:before{opacity:.4}.plan-card--premium:hover:before{opacity:.8}@media(min-width:768px){.plans-grid{grid-template-columns:1fr 1fr;gap:24px}.plan-card{grid-template-columns:1fr;grid-template-rows:auto 1fr auto;min-height:520px}}.plan-head{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px}.plan-badge{display:inline-flex;align-items:center;align-self:flex-start;gap:6px;font-size:11px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:#fff;background:#7c5cff33;border:1px solid rgba(124,92,255,.3);padding:5px 12px;border-radius:999px;box-shadow:0 2px 8px #7c5cff26}.plan-name{margin:0;font-size:28px;font-weight:900;letter-spacing:-.02em;color:#fff;text-align:center}.plan-price{margin:8px 0 0;font-weight:900;font-size:52px;line-height:1;color:#fff;display:flex;align-items:baseline;justify-content:center;gap:2px}.plan-currency{font-size:32px;opacity:.95}.plan-period{font-size:20px;font-weight:600;opacity:.6;margin-left:4px}.plan-desc{margin:12px 0 0;color:#ffffffb3;line-height:1.5;font-size:14px;text-align:center}.plan-features{margin:0;padding:0;list-style:none;color:#ffffffd9;position:relative;z-index:1;display:flex;flex-direction:column;gap:10px}.plan-features li{margin:0;padding-left:24px;line-height:1.5;font-size:14px;position:relative}.plan-features li:before{content:"•";position:absolute;left:6px;top:0;color:var(--violet-500);font-size:18px;font-weight:900}.plan-footer{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;margin-top:auto}.plan-button{width:100%;border:none;border-radius:12px;padding:14px 24px;font-weight:800;font-size:15px;letter-spacing:.3px;cursor:pointer;transition:all .2s ease;position:relative;overflow:hidden}.plan-button:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.08),transparent);opacity:0;transition:opacity .2s ease}.plan-button:hover:before{opacity:1}.plan-button:active{transform:scale(.98)}.plan-button--ghost{background:#ffffff0f;color:#fff;border:1px solid rgba(255,255,255,.12)}.plan-button--ghost:hover{background:#ffffff1a;border-color:#fff3;box-shadow:0 0 0 3px #ffffff0a}.plan-button--primary{background:linear-gradient(135deg,#7c5cff,#5a3ee0);color:#fff;box-shadow:0 6px 20px #7c5cff4d}.plan-button--primary:hover{box-shadow:0 8px 28px #7c5cff66;transform:translateY(-2px)}.plan-footnote{margin:0;font-size:12px;color:#ffffff80;text-align:center;line-height:1.4}@media(min-width:1024px){.plans{max-width:1100px}.plan-card{padding:32px 36px}.plan-name{font-size:32px}.plan-price{font-size:56px}.plan-currency{font-size:36px}.plan-features li{font-size:15px}}.footer{padding:32px 16px;border-top:1px solid var(--border-soft);color:var(--text-muted);text-align:center;font-size:14px;max-width:1400px;margin:0 auto}.auth-overlay{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:24px;background:#0000008c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.auth-modal{width:min(520px,92vw);max-height:calc(100vh - 48px);overflow:auto;border-radius:18px;padding:28px;background:linear-gradient(180deg,#ffffff14,#ffffff0a);border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 90px #000000a6;position:relative;animation:modalIn .16s ease-out}@keyframes modalIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.auth-close{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:999px;background:#ffffff14;border:1px solid rgba(255,255,255,.14);color:#ffffffe6;cursor:pointer;display:grid;place-items:center;transition:transform .14s ease,background .14s ease}.auth-close:hover{background:#ffffff1f;transform:translateY(-1px)}.auth-head{text-align:center;margin-bottom:20px}.auth-title{margin:0;font-size:22px}.auth-subtitle{margin-top:6px;font-size:14px;color:var(--text-muted)}.auth-form{display:grid;gap:14px}.auth-label{display:flex;flex-direction:column;gap:6px;font-size:13px}.auth-input{background:var(--bg-input);color:var(--text-main);border:1px solid var(--border-input);border-radius:12px;padding:12px 14px;outline:none}.auth-input:focus{border-color:var(--violet-500);box-shadow:var(--shadow-focus)}.auth-button{margin-top:8px;width:100%;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));border:none;border-radius:12px;padding:12px;font-weight:600;cursor:pointer;color:#fff}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-error{background:#ff46461f;border:1px solid rgba(255,70,70,.3);padding:10px 12px;border-radius:10px;font-size:13px}.auth-success{background:#50c8781f;border:1px solid rgba(80,200,120,.3);padding:10px 12px;border-radius:10px;font-size:13px}.auth-switch{margin-top:10px;text-align:center;font-size:13px;color:var(--text-muted)}.auth-link{background:none;border:none;color:var(--violet-500);cursor:pointer;font-weight:600}.chat-view,.folder-chat-view{position:fixed;inset:0;width:100vw;height:100vh;z-index:1;padding-top:52px;overflow:hidden}.study-hub{width:100%;max-width:1400px;margin:0 auto;padding:20px}@media(min-width:768px){.plans-grid{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.plans-grid{grid-template-columns:1fr 1fr 1fr}.header{height:56px}.header-inner{padding:8px 24px;max-width:1400px}.logo,.logo-img{width:36px;height:36px}.brand-name{font-size:15px}.brand-tagline{font-size:11px}.nav a{font-size:14px}.nav-btn{padding:7px 12px;font-size:13px}.main:not(.chat-view):not(.folder-chat-view){padding-top:56px}.chat-view,.folder-chat-view{padding-top:56px}.devs-grid{grid-template-columns:1fr 1fr 1fr;gap:24px}}@media(max-width:640px){.nav-auth{margin-left:8px}.nav-btn{padding:6px 10px;font-size:12px}}.legal-page{min-height:100vh;padding:80px 20px 60px;background:var(--bg-main)}.legal-container{max-width:800px;margin:0 auto;position:relative}.legal-back-btn{display:inline-flex;align-items:center;gap:8px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:#ffffffd9;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .18s ease;margin-bottom:32px}.legal-back-btn:hover{background:#ffffff1a;border-color:#7c5cff4d;transform:translate(-4px)}.legal-title{font-size:clamp(32px,5vw,48px);font-weight:900;letter-spacing:-.02em;margin:0 0 12px;background:linear-gradient(135deg,#fff,#ffffffd9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.legal-updated{font-size:14px;color:#ffffff8c;margin:0 0 40px;font-weight:500}.legal-content{background:linear-gradient(135deg,#ffffff0a,#ffffff05);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:40px;box-shadow:0 10px 40px #0000004d}.legal-intro{font-size:17px;line-height:1.7;color:#ffffffd9;margin:0 0 40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08)}.legal-section{margin-bottom:36px}.legal-section:last-child{margin-bottom:0}.legal-section h2{font-size:22px;font-weight:800;color:#fff;margin:0 0 16px;letter-spacing:-.01em}.legal-section p{font-size:15px;line-height:1.7;color:#fffc;margin:0 0 16px}.legal-section p:last-child{margin-bottom:0}.legal-section ul{margin:16px 0;padding-left:24px;color:#fffc}.legal-section li{font-size:15px;line-height:1.7;margin:10px 0;position:relative}.legal-section li::marker{color:var(--violet-500)}.legal-link{color:var(--violet-500);text-decoration:none;border-bottom:1px solid rgba(124,92,255,.3);transition:all .18s ease;font-weight:600}.legal-link:hover{color:#aa96ff;border-color:#aa96ff99;text-shadow:0 0 12px rgba(124,92,255,.3)}.footer-content{display:flex;flex-direction:column;gap:20px;align-items:center}.footer-title{font-size:18px;font-weight:900;margin:0 0 8px;color:#fff}.footer-text{margin:0 0 16px;font-size:14px;color:#fff9}.footer-links{display:flex;gap:24px;flex-wrap:wrap;justify-content:center;align-items:center}.footer-link{color:#ffffffb3;text-decoration:none;font-size:14px;font-weight:500;transition:color .18s ease;position:relative;padding-bottom:2px}.footer-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:1px;background:var(--violet-500);transition:width .18s ease}.footer-link:hover{color:var(--violet-500)}.footer-link:hover:after{width:100%}.footer-divider{width:1px;height:16px;background:#ffffff26}@media(max-width:640px){.legal-content{padding:24px}.legal-section h2{font-size:20px}.legal-section p,.legal-section li{font-size:14px}.footer-links{flex-direction:column;gap:12px}.footer-divider{display:none}}@media(min-width:768px){.legal-page{padding-top:100px}.footer-content{flex-direction:row;justify-content:space-between}}.auth-google-button{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:10px 16px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:transparent;color:#fff;font-size:.95rem;cursor:pointer;transition:background .2s;margin-bottom:8px}.auth-google-button:hover{background:#ffffff14}.auth-divider{display:flex;align-items:center;gap:12px;margin:12px 0;color:#fff6;font-size:.85rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#ffffff26}.nav-user-btn{display:flex;align-items:center;gap:7px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:4px 10px 4px 4px;cursor:pointer;transition:background .16s ease,border-color .16s ease;color:#ffffffe0}.nav-user-btn:hover{background:#ffffff1a;border-color:#7c5cff59}.nav-user-avatar{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#7c5cff,#5a3ee0);display:grid;place-items:center;font-size:11px;font-weight:900;color:#fff;flex-shrink:0}.nav-user-name{font-size:12px;font-weight:700;max-width:90px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-user-chevron{color:#ffffff80;transition:transform .2s ease;flex-shrink:0}.nav-user-chevron.rotated{transform:rotate(180deg)}.nav-dropdown{position:absolute;top:calc(100% + 8px);right:0;z-index:9999;width:220px;background:#100e18f7;border:1px solid rgba(255,255,255,.1);border-radius:14px;box-shadow:0 20px 60px #0000008c,0 0 0 1px #7c5cff14;padding:8px;display:flex;flex-direction:column;gap:2px;animation:dropIn .15s ease-out;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}@keyframes dropIn{0%{opacity:0;transform:translateY(-6px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.nav-auth{position:relative;margin-left:10px;display:flex;align-items:center}.nav-dropdown-header{display:flex;align-items:center;gap:10px;padding:8px 10px 10px}.nav-dropdown-avatar{width:34px;height:34px;min-width:34px;border-radius:50%;background:linear-gradient(135deg,#7c5cff,#5a3ee0);display:grid;place-items:center;font-size:14px;font-weight:900;color:#fff;box-shadow:0 4px 14px #7c5cff59}.nav-dropdown-name{font-size:13px;font-weight:700;color:#ffffffeb;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}.nav-dropdown-email{font-size:11px;color:#ffffff73;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px;margin-top:1px}.nav-dropdown-divider{height:1px;background:#ffffff12;margin:4px 2px}.nav-dropdown-item{display:flex;align-items:center;gap:9px;width:100%;padding:9px 10px;border-radius:9px;background:transparent;border:none;color:#ffffffbf;font-size:13px;font-weight:600;cursor:pointer;text-align:left;transition:background .14s ease,color .14s ease}.nav-dropdown-item:hover{background:#ffffff12;color:#fffffff2}.nav-dropdown-item--danger{color:#ff6464cc}.nav-dropdown-item--danger:hover{background:#ff46461a;color:#ff7070}.nav-dropdown-icon{font-size:15px;line-height:1}@media(max-width:500px){.nav-user-name{display:none}.nav-dropdown{right:-10px;width:200px}}.landing{min-height:100vh;padding-top:52px}.lp-section{padding:80px 24px}.lp-section__inner{max-width:1100px;margin:0 auto}.lp-section__label{display:inline-block;font-size:11px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--violet-500);background:#7c5cff1f;border:1px solid rgba(124,92,255,.25);padding:5px 12px;border-radius:999px;margin-bottom:20px}.lp-section__title{font-size:clamp(28px,4vw,42px);font-weight:900;letter-spacing:-.02em;margin:0 0 16px;color:#fff}.lp-section__subtitle{font-size:16px;color:#ffffffa6;margin:0 auto 48px;max-width:60ch;line-height:1.6;text-align:center}.lp-btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:12px;font-weight:700;cursor:pointer;transition:all .18s ease;font-size:14px;padding:10px 20px}.lp-btn--lg{font-size:16px;padding:14px 28px;border-radius:14px}.lp-btn--primary{background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;box-shadow:0 8px 24px #7c5cff4d}.lp-btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px #7c5cff73;filter:brightness(1.08)}.lp-btn--primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.lp-btn--ghost{background:#ffffff12;color:#ffffffe0;border:1px solid rgba(255,255,255,.14)}.lp-btn--ghost:hover{background:#ffffff1f;border-color:#7c5cff4d}.lp-btn__arrow{transition:transform .18s ease}.lp-btn:hover .lp-btn__arrow{transform:translate(4px)}.lp-hero{position:relative;min-height:calc(100vh - 52px);display:grid;grid-template-columns:1fr;gap:48px;padding:64px 24px 80px;max-width:1200px;margin:0 auto;align-items:center}@media(min-width:900px){.lp-hero{grid-template-columns:1fr 1fr;gap:64px;min-height:calc(100vh - 52px)}}.lp-hero__bg{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.lp-hero__orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35}.lp-hero__orb--1{width:600px;height:600px;background:radial-gradient(circle,rgba(124,92,255,.6),transparent 70%);top:-200px;left:-100px;animation:orbDrift1 12s ease-in-out infinite alternate}.lp-hero__orb--2{width:500px;height:500px;background:radial-gradient(circle,rgba(90,62,224,.5),transparent 70%);top:20%;right:-100px;animation:orbDrift2 15s ease-in-out infinite alternate}.lp-hero__orb--3{width:400px;height:400px;background:radial-gradient(circle,rgba(124,92,255,.3),transparent 70%);bottom:0;left:30%;animation:orbDrift1 18s ease-in-out infinite alternate-reverse}@keyframes orbDrift1{0%{transform:translate(0) scale(1)}to{transform:translate(40px,30px) scale(1.1)}}@keyframes orbDrift2{0%{transform:translate(0) scale(1)}to{transform:translate(-30px,40px) scale(.95)}}.lp-hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(124,92,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(124,92,255,.04) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 20%,transparent 100%);mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 20%,transparent 100%)}.lp-hero__content{position:relative;z-index:1;display:flex;flex-direction:column;gap:24px}.lp-hero__badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#c8b4ffe6;background:#7c5cff1f;border:1px solid rgba(124,92,255,.3);padding:6px 14px;border-radius:999px;width:fit-content}.lp-hero__badge-dot{width:7px;height:7px;border-radius:50%;background:#7c5cff;box-shadow:0 0 8px #7c5cffcc;animation:pulseDot 2s ease-in-out infinite}@keyframes pulseDot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.8)}}.lp-hero__title{font-size:clamp(32px,4.5vw,54px);font-weight:900;letter-spacing:-.03em;line-height:1.1;margin:0;color:#fff}.lp-hero__title-accent{background:linear-gradient(135deg,#a78bfa,#7c5cff,#5a3ee0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.lp-hero__subtitle{font-size:17px;color:#ffffffa6;line-height:1.65;margin:0;max-width:50ch}.lp-hero__actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.lp-hero__social-proof{display:flex;align-items:center;gap:12px;padding-top:8px}.lp-hero__avatars{display:flex}.lp-hero__avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#7c5cff,#5a3ee0);border:2px solid #0b0b0f;display:grid;place-items:center;font-size:11px;font-weight:900;color:#fff;margin-left:-8px}.lp-hero__avatar:first-child{margin-left:0}.lp-hero__proof-text{font-size:13px;color:#ffffff8c;margin:0}.lp-hero__proof-text strong{color:#ffffffd9}.lp-hero__demo-wrap{position:relative;z-index:1}.lp-hero__demo-card{background:#12121cd9;border:1px solid rgba(124,92,255,.2);border-radius:20px;overflow:hidden;box-shadow:0 32px 80px #0009,0 0 0 1px #7c5cff14,inset 0 1px #ffffff0f;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.lp-hero__demo-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#ffffff08;border-bottom:1px solid rgba(255,255,255,.06)}.lp-hero__demo-dots{display:flex;gap:6px}.lp-hero__demo-dots span{width:10px;height:10px;border-radius:50%;background:#ffffff1f}.lp-hero__demo-dots span:nth-child(1){background:#ff5f5799}.lp-hero__demo-dots span:nth-child(2){background:#ffbc2e99}.lp-hero__demo-dots span:nth-child(3){background:#28c84099}.lp-hero__demo-label{font-size:12px;font-weight:600;color:#fff6;margin-left:4px}.lp-hero__demo-body{padding:20px}.lp-features__grid{display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:640px){.lp-features__grid{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.lp-features__grid{grid-template-columns:1fr 1fr 1fr}}.lp-feature-card{background:#ffffff08;border:1px solid rgba(255,255,255,.07);border-radius:18px;padding:28px 24px;transition:all .22s ease;position:relative;overflow:hidden}.lp-feature-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(124,92,255,.06),transparent);opacity:0;transition:opacity .22s ease}.lp-feature-card:hover{border-color:#7c5cff40;transform:translateY(-3px);box-shadow:0 12px 40px #0000004d}.lp-feature-card:hover:before{opacity:1}.lp-feature-card__icon{font-size:32px;margin-bottom:14px;display:block}.lp-feature-card__title{font-size:17px;font-weight:800;margin:0 0 10px;color:#fffffff2}.lp-feature-card__desc{font-size:14px;color:#ffffff94;line-height:1.65;margin:0}.lp-how{background:#ffffff04;border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}.lp-how__steps{display:flex;flex-direction:column;gap:0;max-width:640px;margin:0 auto}.lp-step{display:flex;gap:24px;align-items:flex-start}.lp-step__left{display:flex;flex-direction:column;align-items:center;flex-shrink:0}.lp-step__num{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#7c5cff33,#5a3ee01a);border:1px solid rgba(124,92,255,.3);display:grid;place-items:center;font-size:14px;font-weight:900;color:var(--violet-500);flex-shrink:0;letter-spacing:.5px}.lp-step__line{width:2px;flex:1;min-height:40px;background:linear-gradient(180deg,#7c5cff4d,#7c5cff0d);margin:8px 0}.lp-step__body{padding:12px 0 40px}.lp-step__title{font-size:20px;font-weight:800;margin:0 0 8px;color:#fffffff2;line-height:1.3}.lp-step__desc{font-size:15px;color:#ffffff8c;line-height:1.6;margin:0}.lp-cta{text-align:center;padding:0 24px 60px}.lp-cta__inner{position:relative;max-width:640px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:20px}.lp-cta__orb{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,255,.15),transparent 70%);filter:blur(60px);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:0}.lp-cta__inner>*{position:relative;z-index:1}.lp-cta__title{font-size:clamp(32px,4vw,52px);font-weight:900;letter-spacing:-.03em;margin:0;color:#fff;line-height:1.15}.lp-cta__subtitle{font-size:17px;color:#ffffff94;line-height:1.6;max-width:48ch;margin:0}.lp-cta__note{font-size:13px;color:#fff6;margin:0}.lp-footer{border-top:1px solid rgba(255,255,255,.06);padding:40px 24px}.lp-footer__inner{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:20px;align-items:center;text-align:center}@media(min-width:768px){.lp-footer__inner{flex-direction:row;justify-content:space-between;text-align:left}}.lp-footer__brand{display:flex;flex-direction:column;gap:4px}.lp-footer__brand-name{font-size:16px;font-weight:900;color:#fff}.lp-footer__brand-tagline{font-size:12px;color:#fff6}.lp-footer__links{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}.lp-footer__link{font-size:14px;color:#ffffff80;text-decoration:none;transition:color .16s ease}.lp-footer__link:hover{color:var(--violet-500)}.lp-footer__copy{font-size:13px;color:#ffffff4d;margin:0}.calc-demo{display:flex;flex-direction:column;gap:16px}.calc-demo__examples-label{font-size:12px;color:#ffffff73;margin:0 0 8px;font-weight:600}.calc-demo__chips{display:flex;flex-wrap:wrap;gap:8px}.calc-demo__chip{font-size:12px;padding:6px 12px;border-radius:999px;background:#7c5cff1a;border:1px solid rgba(124,92,255,.25);color:#c8b4ffd9;cursor:pointer;transition:all .15s ease;font-weight:600}.calc-demo__chip:hover{background:#7c5cff33;border-color:#7c5cff73;color:#fff;transform:translateY(-1px)}.calc-demo__input-wrap{display:flex;flex-direction:column;gap:10px}.calc-demo__textarea{width:100%;background:#ffffff0a;color:#fff;border:1.5px solid rgba(124,92,255,.2);border-radius:12px;padding:12px 14px;font-family:inherit;font-size:14px;resize:none;outline:none;transition:border-color .2s ease,box-shadow .2s ease;box-sizing:border-box;line-height:1.5}.calc-demo__textarea:focus{border-color:var(--violet-500);box-shadow:0 0 0 3px #7c5cff26}.calc-demo__textarea::placeholder{color:#ffffff59}.calc-demo__actions{display:flex;gap:8px;align-items:center}.calc-demo__attach{width:40px;height:40px;border-radius:10px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:#ffffffb3;font-size:16px;cursor:pointer;transition:all .15s ease;display:grid;place-items:center;flex-shrink:0}.calc-demo__attach:hover{background:#7c5cff26;border-color:#7c5cff59}.calc-demo__file-badge{display:flex;align-items:center;gap:6px;font-size:12px;color:#fff9;background:#7c5cff1a;border:1px solid rgba(124,92,255,.2);padding:4px 10px;border-radius:999px}.calc-demo__file-badge button{background:none;border:none;color:#ffffff80;cursor:pointer;padding:0;font-size:11px;line-height:1}.calc-demo__send{margin-left:auto;padding:10px 20px;font-size:14px;border-radius:10px}.calc-demo__error{color:#ff6b6b;font-size:13px;margin:0;padding:8px 12px;background:#ff46461a;border:1px solid rgba(255,70,70,.25);border-radius:8px}.calc-demo__loading{display:flex;flex-direction:column;gap:8px;align-items:center;padding:12px 0}.calc-demo__loading p{font-size:13px;color:#ffffff73;margin:0}.calc-demo__loading-bar{width:100%;height:3px;background:#7c5cff26;border-radius:999px;overflow:hidden;position:relative}.calc-demo__loading-bar:after{content:"";position:absolute;left:-60%;top:0;width:60%;height:100%;background:linear-gradient(90deg,transparent,var(--violet-500),transparent);animation:loadingSlide 1.4s ease-in-out infinite}@keyframes loadingSlide{0%{left:-60%}to{left:110%}}.calc-demo__spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.calc-demo__answer{background:#12121ecc;border:1px solid rgba(124,92,255,.2);border-radius:14px;overflow:hidden}.calc-demo__answer-header{padding:10px 14px;background:#7c5cff14;border-bottom:1px solid rgba(124,92,255,.12)}.calc-demo__answer-badge{font-size:12px;font-weight:700;color:#a0d2a0e6}.calc-demo__answer-body{padding:16px;font-size:14px;line-height:1.7;color:#ffffffe0;max-height:320px;overflow-y:auto}.calc-demo__answer-body p{margin:0 0 8px}.calc-demo__answer-body p:last-child{margin-bottom:0}.calc-demo__upsell{display:flex;flex-direction:column;gap:10px;align-items:flex-start;padding:14px 16px;background:#7c5cff0f;border-top:1px solid rgba(124,92,255,.12)}.calc-demo__upsell p{font-size:13px;color:#fff9;margin:0}.calc-demo__upsell strong{color:#ffffffe6}@media(min-width:1024px){.landing{padding-top:56px}.lp-hero{min-height:calc(100vh - 56px);padding:80px 48px}}.auth-google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:11px 16px;background:#ffffff0f;border:1px solid rgba(255,255,255,.14);border-radius:12px;color:#ffffffe6;font-size:14px;font-weight:600;cursor:pointer;transition:all .18s ease;font-family:inherit}.auth-google-btn:hover{background:#ffffff1a;border-color:#ffffff38;transform:translateY(-1px);box-shadow:0 4px 16px #0000004d}.auth-google-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.auth-forgot{text-align:right;margin-top:-8px;margin-bottom:4px}@media(max-width:767px){.brand--hide-mobile{display:none}}@supports (height: 100dvh){@media(max-width:767px){.chat-sidebar{height:calc(100dvh - 52px)!important}.chat-view,.folder-chat-view{height:100dvh!important}}}@supports not (height: 100dvh){@media(max-width:767px){.chat-view,.folder-chat-view{height:-webkit-fill-available!important}.chat-sidebar{height:calc(-webkit-fill-available - 52px)!important}}}.lp-testimonials{padding:60px 24px;background:#ffffff03;border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}.lp-testimonials__grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:48px}@media(min-width:640px){.lp-testimonials__grid{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.lp-testimonials__grid{grid-template-columns:1fr 1fr 1fr}}.lp-tcard{background:#ffffff08;border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:16px;transition:all .22s ease;position:relative;overflow:hidden}.lp-tcard:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(124,92,255,.05),transparent);opacity:0;transition:opacity .22s ease}.lp-tcard:hover{border-color:#7c5cff38;transform:translateY(-3px);box-shadow:0 12px 40px #0000004d}.lp-tcard:hover:before{opacity:1}.lp-tcard__quote-icon{font-size:36px;line-height:1;color:#7c5cff66;font-family:Georgia,serif;margin-bottom:-8px}.lp-tcard__stars{display:flex;gap:3px}.lp-tcard__star{font-size:15px}.lp-tcard__text{font-size:14px;line-height:1.7;color:#ffffffbf;margin:0;flex:1}.lp-tcard__footer{display:flex;align-items:center;gap:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.06)}.lp-tcard__avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-size:16px;font-weight:900;color:#fff;flex-shrink:0;background:linear-gradient(135deg,#7c5cff,#5a3ee0);box-shadow:0 4px 12px #7c5cff4d}.lp-tcard__avatar--green{background:linear-gradient(135deg,#22c55e,#16a34a);box-shadow:0 4px 12px #22c55e4d}.lp-tcard__avatar--orange{background:linear-gradient(135deg,#f97316,#ea580c);box-shadow:0 4px 12px #f973164d}.lp-tcard__avatar--blue{background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 4px 12px #3b82f64d}.lp-tcard__avatar--pink{background:linear-gradient(135deg,#ec4899,#db2777);box-shadow:0 4px 12px #ec48994d}.lp-tcard__avatar--teal{background:linear-gradient(135deg,#14b8a6,#0d9488);box-shadow:0 4px 12px #14b8a64d}.lp-tcard__info{display:flex;flex-direction:column;gap:2px}.lp-tcard__name{font-size:14px;font-weight:700;color:#ffffffeb}.lp-tcard__role{font-size:12px;color:#ffffff73}.lp-testimonials__rating{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:12px;flex-wrap:wrap}.lp-testimonials__rating-score{font-size:48px;font-weight:900;color:#fff;line-height:1}.lp-testimonials__rating-right{display:flex;flex-direction:column;gap:4px}.lp-testimonials__rating-stars{display:flex;gap:4px;font-size:20px}.lp-testimonials__rating-count{font-size:13px;color:#ffffff80}.lp-tslider{position:relative;display:flex;align-items:center;gap:12px;margin-top:32px}.lp-tslider__viewport{flex:1;overflow:hidden}.lp-tslider__track{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1);will-change:transform}.lp-tslider__item{flex:0 0 calc(100% / 3);padding:0 10px;box-sizing:border-box}@media(max-width:1023px){.lp-tslider__item{flex:0 0 50%}}@media(max-width:639px){.lp-tslider__item{flex:0 0 100%}}.lp-tslider__arrow{width:40px;height:40px;border-radius:50%;background:#7c5cff1f;border:1px solid rgba(124,92,255,.3);color:#c8b9ffe6;font-size:24px;cursor:pointer;display:grid;place-items:center;flex-shrink:0;transition:all .16s ease;line-height:1}.lp-tslider__arrow:hover{background:#7c5cff40;border-color:#7c5cff99;color:#fff;transform:scale(1.08)}.lp-tslider__dots{display:flex;justify-content:center;gap:8px;margin-top:20px}.lp-tslider__dot{width:8px;height:8px;border-radius:50%;border:none;background:#7c5cff40;cursor:pointer;transition:all .2s ease;padding:0}.lp-tslider__dot.active{background:#7c5cff;width:24px;border-radius:999px;box-shadow:0 0 8px #7c5cff80}.lp-tslider__dot:hover{background:#7c5cff80}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.33"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.fc-shell{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:#080810;overflow-y:auto;font-family:Sora,sans-serif;z-index:50}.fc-bg-orb{position:fixed;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0}.fc-bg-orb--1{width:500px;height:500px;background:#7c5cff2e;top:-100px;left:-100px;animation:orbFloat1 8s ease-in-out infinite}.fc-bg-orb--2{width:400px;height:400px;background:#5028c824;bottom:-80px;right:-80px;animation:orbFloat2 10s ease-in-out infinite}@keyframes orbFloat1{0%,to{transform:translate(0)}50%{transform:translate(30px,20px)}}@keyframes orbFloat2{0%,to{transform:translate(0)}50%{transform:translate(-20px,-30px)}}.fc-back{position:fixed;top:20px;left:20px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:#fffc;padding:9px 16px;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;transition:all .18s ease;z-index:10;font-family:Sora,sans-serif}.fc-back:hover{background:#ffffff1a;transform:translate(-3px)}.fc-idle-card{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px;max-width:480px;background:linear-gradient(135deg,#ffffff0f,#ffffff05);border:1px solid rgba(255,255,255,.1);border-radius:28px;padding:48px 40px;box-shadow:0 30px 80px #00000080,0 0 0 1px #7c5cff1a;animation:cardIn .4s cubic-bezier(.34,1.56,.64,1)}@keyframes cardIn{0%{opacity:0;transform:translateY(24px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.fc-idle-icon{width:80px;height:80px;background:linear-gradient(135deg,#7c5cff40,#5028c833);border:1px solid rgba(124,92,255,.3);border-radius:24px;display:grid;place-items:center;font-size:36px;box-shadow:0 12px 30px #7c5cff33}.fc-idle-title{margin:0;font-size:36px;font-weight:900;color:#fff;letter-spacing:-.03em}.fc-idle-desc{margin:0;font-size:15px;color:#ffffffa6;line-height:1.65;max-width:360px}.fc-start-btn{background:linear-gradient(135deg,#7c5cff,#5a3ee0);border:none;border-radius:14px;padding:14px 32px;font-size:15px;font-weight:800;color:#fff;cursor:pointer;font-family:Sora,sans-serif;box-shadow:0 8px 24px #7c5cff59;transition:all .2s ease;letter-spacing:.2px}.fc-start-btn:hover{transform:translateY(-2px);box-shadow:0 14px 36px #7c5cff73;filter:brightness(1.08)}.fc-start-btn:active{transform:scale(.97)}.fc-loading{position:fixed;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px}.fc-header{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:#080810d9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06);z-index:10}.fc-counter{font-size:15px;font-weight:700;color:#fffc}.fc-score-badge{background:#7c5cff2e;border:1px solid rgba(124,92,255,.3);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:700;color:#fff}.fc-progress-track{position:fixed;top:57px;left:0;right:0;height:3px;background:#ffffff0f;z-index:10}.fc-progress-fill{height:100%;background:linear-gradient(90deg,#7c5cff,#a78bff);transition:width .5s cubic-bezier(.34,1.56,.64,1);border-radius:0 2px 2px 0}.fc-card{position:relative;z-index:1;width:100%;max-width:620px;margin-top:80px;display:flex;flex-direction:column;gap:16px;animation:cardIn .35s cubic-bezier(.34,1.56,.64,1)}.fc-question{margin:0;font-size:clamp(17px,2.5vw,22px);font-weight:700;color:#fff;line-height:1.5;letter-spacing:-.01em;background:linear-gradient(135deg,#ffffff0f,#ffffff05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:24px 28px;box-shadow:0 8px 30px #0000004d}.fc-options{display:flex;flex-direction:column;gap:10px}.fc-option{display:flex;align-items:center;gap:14px;background:#ffffff0a;border:1.5px solid rgba(255,255,255,.08);border-radius:14px;padding:16px 20px;cursor:pointer;font-family:Sora,sans-serif;font-size:15px;font-weight:600;color:#ffffffe0;text-align:left;transition:all .18s ease;position:relative;overflow:hidden}.fc-option:hover:not(:disabled){background:#7c5cff1f;border-color:#7c5cff66;transform:translate(4px)}.fc-option:disabled{cursor:not-allowed}.fc-option--correct{background:#22c55e24!important;border-color:#22c55e99!important;color:#fff!important;box-shadow:0 0 0 3px #22c55e1f,0 8px 24px #22c55e26!important;animation:correctPop .4s cubic-bezier(.34,1.56,.64,1)}@keyframes correctPop{0%{transform:scale(1)}50%{transform:scale(1.025)}to{transform:scale(1)}}.fc-option--wrong{background:#ef444424!important;border-color:#ef444499!important;color:#fff!important;box-shadow:0 0 0 3px #ef44441f,0 8px 24px #ef444426!important;animation:wrongShake .4s ease}@keyframes wrongShake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.fc-option--dim{opacity:.38!important}.fc-opt-letter{min-width:30px;height:30px;background:#ffffff14;border-radius:8px;display:grid;place-items:center;font-size:13px;font-weight:800;color:#ffffffb3;flex-shrink:0;transition:all .18s ease}.fc-option--correct .fc-opt-letter{background:#22c55e40;color:#4ade80}.fc-option--wrong .fc-opt-letter{background:#ef444440;color:#f87171}.fc-opt-text{flex:1;line-height:1.4}.fc-opt-check{font-size:18px;color:#4ade80;font-weight:900;animation:iconIn .3s cubic-bezier(.34,1.56,.64,1)}.fc-opt-cross{font-size:18px;color:#f87171;font-weight:900;animation:iconIn .3s cubic-bezier(.34,1.56,.64,1)}@keyframes iconIn{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}.fc-feedback{border-radius:16px;padding:18px 22px;animation:feedbackIn .35s cubic-bezier(.34,1.56,.64,1)}@keyframes feedbackIn{0%{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.fc-feedback--correct{background:linear-gradient(135deg,#22c55e29,#22c55e0f);border:1px solid rgba(34,197,94,.35)}.fc-feedback--wrong{background:linear-gradient(135deg,#ef444429,#ef44440f);border:1px solid rgba(239,68,68,.35)}.fc-feedback-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}.fc-feedback-icon{font-size:22px}.fc-feedback-title{font-size:17px;font-weight:800;color:#fff}.fc-feedback-explanation{margin:0;font-size:14px;color:#fffc;line-height:1.6}.fc-next-btn{align-self:flex-end;background:linear-gradient(135deg,#7c5cff,#5a3ee0);border:none;border-radius:12px;padding:13px 28px;font-size:15px;font-weight:800;color:#fff;cursor:pointer;font-family:Sora,sans-serif;box-shadow:0 6px 20px #7c5cff4d;transition:all .2s ease;animation:feedbackIn .35s cubic-bezier(.34,1.56,.64,1)}.fc-next-btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px #7c5cff6b}.fc-done-card{position:relative;z-index:1;width:100%;max-width:560px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;background:linear-gradient(135deg,#ffffff0f,#ffffff05);border:1px solid rgba(255,255,255,.1);border-radius:28px;padding:44px 36px;box-shadow:0 30px 80px #0000008c;animation:cardIn .4s cubic-bezier(.34,1.56,.64,1)}.fc-done-emoji{width:80px;height:80px;border-radius:24px;display:grid;place-items:center;font-size:38px;animation:emojiPop .6s cubic-bezier(.34,1.56,.64,1)}@keyframes emojiPop{0%{opacity:0;transform:scale(0) rotate(-20deg)}to{opacity:1;transform:scale(1) rotate(0)}}.fc-done-emoji--great{background:linear-gradient(135deg,#eab30840,#eab3081a);border:1px solid rgba(234,179,8,.4);box-shadow:0 12px 30px #eab30833}.fc-done-emoji--ok{background:linear-gradient(135deg,#7c5cff40,#7c5cff1a);border:1px solid rgba(124,92,255,.4);box-shadow:0 12px 30px #7c5cff33}.fc-done-emoji--bad{background:linear-gradient(135deg,#6366f140,#6366f11a);border:1px solid rgba(99,102,241,.4)}.fc-done-title{margin:0;font-size:32px;font-weight:900;color:#fff;letter-spacing:-.02em}.fc-done-score{display:flex;align-items:baseline;gap:6px}.fc-done-num{font-size:64px;font-weight:900;color:#fff;line-height:1;letter-spacing:-.04em}.fc-done-sep{font-size:32px;color:#ffffff4d;font-weight:300}.fc-done-total{font-size:40px;font-weight:700;color:#ffffff80;letter-spacing:-.03em}.fc-done-bar-wrap{width:100%;height:8px;background:#ffffff14;border-radius:999px;overflow:hidden}.fc-done-bar{height:100%;border-radius:999px;transition:width 1s cubic-bezier(.34,1.56,.64,1)}.fc-done-bar--great{background:linear-gradient(90deg,#22c55e,#4ade80)}.fc-done-bar--ok{background:linear-gradient(90deg,#7c5cff,#a78bff)}.fc-done-bar--bad{background:linear-gradient(90deg,#ef4444,#f87171)}.fc-done-pct{margin:0;font-size:14px;color:#ffffff8c;font-weight:600}.fc-done-results{width:100%;display:flex;flex-direction:column;gap:8px;max-height:200px;overflow-y:auto;padding:4px 0}.fc-done-row{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;border-radius:10px;text-align:left;font-size:13px}.fc-done-row--ok{background:#22c55e14;border:1px solid rgba(34,197,94,.2)}.fc-done-row--bad{background:#ef444414;border:1px solid rgba(239,68,68,.2)}.fc-done-row-icon{font-size:15px;font-weight:900;flex-shrink:0;margin-top:1px}.fc-done-row--ok .fc-done-row-icon{color:#4ade80}.fc-done-row--bad .fc-done-row-icon{color:#f87171}.fc-done-row-q{color:#fffc;line-height:1.45}.fc-done-actions{display:flex;flex-direction:column;gap:10px;width:100%}.fc-back-btn-alt{background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 24px;font-size:14px;font-weight:700;color:#fffc;cursor:pointer;font-family:Sora,sans-serif;transition:all .18s ease}.fc-back-btn-alt:hover{background:#ffffff1a}.fc-done-results::-webkit-scrollbar{width:4px}.fc-done-results::-webkit-scrollbar-track{background:transparent}.fc-done-results::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}@media(max-width:480px){.fc-card{margin-top:70px}.fc-question{padding:18px 20px;font-size:16px}.fc-option{padding:13px 16px;font-size:14px}.fc-done-card{padding:32px 24px}.fc-done-num{font-size:52px}.fc-idle-card{padding:36px 24px}}.fc-question .katex-display{margin:.5em 0;overflow-x:auto}.fc-question>span>p{display:inline;margin:0}.fc-opt-text .katex{font-size:.95em}.fc-opt-text>p{display:inline;margin:0}.fc-opt-text .katex-display{display:inline-block;margin:0}.fc-feedback-explanation .katex-display{margin:.4em 0;overflow-x:auto}.fc-feedback-explanation>span>p{display:inline;margin:0}.fc-done-row-q .katex{font-size:.88em}.fc-done-row-q>span>p{display:inline;margin:0}.fc-done-row-q .katex-display{display:inline-block;margin:0;overflow-x:auto;max-width:100%}.ai-loading-wrap{display:flex;flex-direction:column;align-items:center;gap:20px;width:100%;max-width:420px;margin:0 auto;padding:16px 0;animation:aiLoadFadeIn .35s cubic-bezier(.22,1,.36,1)}@keyframes aiLoadFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ai-loading-icon{font-size:52px;line-height:1;display:block;animation:aiIconFloat 2.6s ease-in-out infinite;will-change:transform;filter:drop-shadow(0 4px 16px rgba(124,92,255,.4))}@keyframes aiIconFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.ai-loading-bar-row{display:flex;flex-direction:row;align-items:center;gap:14px;width:100%}.ai-loading-bar-bg{position:relative;flex:1;height:14px;background:#ffffff0f;border-radius:999px;overflow:hidden;box-shadow:0 0 0 1px #7c5cff33,inset 0 1px 4px #0006}.ai-loading-bar-fill{position:absolute;left:0;top:0;height:100%;border-radius:999px;background:linear-gradient(90deg,#5028dce6,#7c5cff 30%,#b48cff,#7c5cff 70%,#5028dce6);background-size:200% 100%;animation:barFlow 1.8s linear infinite;box-shadow:0 0 10px 2px #7c5cffb3,0 0 28px 6px #7c5cff59,0 0 50px 10px #7c5cff26}@keyframes barFlow{0%{background-position:100% 0}to{background-position:-100% 0}}.ai-loading-bar-shimmer{position:absolute;top:0;left:-80%;width:80%;height:100%;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.55) 50%,transparent 100%);animation:aiShimmer 1.4s ease-in-out infinite;border-radius:999px}@keyframes aiShimmer{0%{left:-80%}to{left:110%}}.ai-loading-bar-bg:after{content:"";position:absolute;inset:0;border-radius:999px;box-shadow:inset 0 0 8px #c8aaff26;pointer-events:none}.ai-loading-bar-pct{font-size:14px;font-weight:700;color:#ffffffe6;letter-spacing:.04em;min-width:44px;text-align:right;flex-shrink:0;font-variant-numeric:tabular-nums;text-shadow:0 0 12px rgba(124,92,255,.8)}.ai-loading-phrase{font-size:14px;font-weight:500;color:#ffffffb3;text-align:center;min-height:22px;letter-spacing:.01em;margin:0}.dq-shell{position:fixed;inset:52px 0 0;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;align-items:center;padding:0 20px 60px;background:#080810;font-family:Sora,sans-serif;z-index:2}.dq-bg-orb{position:fixed;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0}.dq-bg-orb--1{width:500px;height:500px;background:#22c55e1f;top:-100px;left:-100px;animation:dqOrbFloat1 9s ease-in-out infinite}.dq-bg-orb--2{width:400px;height:400px;background:#10b9811a;bottom:-80px;right:-80px;animation:dqOrbFloat2 11s ease-in-out infinite}@keyframes dqOrbFloat1{0%,to{transform:translate(0)}50%{transform:translate(28px,18px)}}@keyframes dqOrbFloat2{0%,to{transform:translate(0)}50%{transform:translate(-18px,-28px)}}.dq-back{position:sticky;top:14px;align-self:flex-start;margin-bottom:16px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:#fffc;padding:9px 16px;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;transition:all .18s ease;z-index:10;font-family:Sora,sans-serif}.dq-back:hover{background:#ffffff1a;transform:translate(-3px)}.dq-idle-card{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px;max-width:480px;background:linear-gradient(135deg,#ffffff0f,#ffffff05);border:1px solid rgba(255,255,255,.1);border-radius:28px;padding:48px 40px;box-shadow:0 30px 80px #00000080,0 0 0 1px #22c55e1a;animation:dqCardIn .4s cubic-bezier(.34,1.56,.64,1)}@keyframes dqCardIn{0%{opacity:0;transform:translateY(24px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.dq-idle-icon{width:80px;height:80px;background:linear-gradient(135deg,#22c55e40,#10b9812e);border:1px solid rgba(34,197,94,.35);border-radius:24px;display:grid;place-items:center;font-size:36px;box-shadow:0 12px 30px #22c55e33}.dq-idle-title{margin:0;font-size:32px;font-weight:900;color:#fff;letter-spacing:-.03em}.dq-idle-desc{margin:0;font-size:15px;color:#ffffffa6;line-height:1.65;max-width:360px}.dq-idle-meta{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.dq-meta-chip{font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;background:#22c55e1f;border:1px solid rgba(34,197,94,.28);color:#ffffffe0}.dq-error{color:#f87171;font-size:13px;margin:0}.dq-start-btn{background:linear-gradient(135deg,#22c55e,#16a34a);border:none;border-radius:14px;padding:14px 32px;font-size:15px;font-weight:800;color:#fff;cursor:pointer;font-family:Sora,sans-serif;box-shadow:0 8px 24px #22c55e4d;transition:all .2s ease}.dq-start-btn:hover{transform:translateY(-2px);box-shadow:0 14px 36px #22c55e66;filter:brightness(1.08)}.dq-start-btn:active{transform:scale(.97)}.dq-loading{position:fixed;inset:52px 0 0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;background:#080810}.dq-header{position:sticky;top:0;width:calc(100% + 40px);margin:0 -20px;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:#080810f2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06);z-index:10;flex-shrink:0}.dq-counter{font-size:15px;font-weight:700;color:#fffc}.dq-score-badge{background:#22c55e26;border:1px solid rgba(34,197,94,.3);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:700;color:#fff}.dq-progress-track{position:sticky;top:53px;width:calc(100% + 40px);margin:0 -20px;height:3px;background:#ffffff0f;z-index:10;flex-shrink:0}.dq-progress-fill{height:100%;background:linear-gradient(90deg,#22c55e,#4ade80);transition:width .5s cubic-bezier(.34,1.56,.64,1);border-radius:0 2px 2px 0}.dq-card{position:relative;z-index:1;width:100%;max-width:680px;margin-top:24px;display:flex;flex-direction:column;gap:16px;animation:dqCardIn .35s cubic-bezier(.34,1.56,.64,1);padding-bottom:40px}.dq-question-box{background:linear-gradient(135deg,#ffffff0f,#ffffff05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:24px 28px;box-shadow:0 8px 30px #0000004d}.dq-question-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#22c55ecc;margin-bottom:10px}.dq-question-text{font-size:clamp(16px,2.2vw,20px);font-weight:700;color:#fff;line-height:1.55}.dq-question-text p{margin:0}.dq-context{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:14px;overflow:hidden}.dq-context-summary{padding:12px 16px;font-size:13px;font-weight:700;color:#fff9;cursor:pointer;list-style:none;transition:color .14s ease}.dq-context-summary:hover{color:#ffffffe6}.dq-context-body{padding:12px 16px 14px;font-size:14px;color:#ffffffbf;line-height:1.6;border-top:1px solid rgba(255,255,255,.06)}.dq-context-body p{margin:0 0 8px}.dq-context-body p:last-child{margin:0}.dq-answer-wrap{display:flex;flex-direction:column;gap:10px}.dq-answer-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#fff6}.dq-answer-textarea{width:100%;background:#ffffff0a;border:1.5px solid rgba(255,255,255,.1);border-radius:16px 16px 0 0;padding:18px 20px;font-size:15px;font-weight:500;color:#fff;line-height:1.6;resize:vertical;font-family:Sora,sans-serif;outline:none;transition:border-color .18s ease,box-shadow .18s ease;box-sizing:border-box;min-height:140px}.dq-answer-textarea:focus{border-color:#22c55e80;box-shadow:0 0 0 3px #22c55e1a}.dq-answer-textarea::placeholder{color:#ffffff40}.dq-answer-toolbar{display:flex;align-items:center;gap:8px;padding:8px 14px;background:#ffffff08;border:1.5px solid rgba(255,255,255,.1);border-top:none;border-radius:0 0 16px 16px;margin-top:-10px}.dq-answer-wrap:focus-within .dq-answer-toolbar{border-color:#22c55e80}.dq-submit-btn{align-self:flex-end;background:linear-gradient(135deg,#22c55e,#16a34a);border:none;border-radius:12px;padding:13px 26px;font-size:15px;font-weight:800;color:#fff;cursor:pointer;font-family:Sora,sans-serif;box-shadow:0 6px 20px #22c55e47;transition:all .2s ease}.dq-submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 28px #22c55e61}.dq-submit-btn:disabled{opacity:.4;cursor:not-allowed}.dq-result{display:flex;flex-direction:column;gap:16px;animation:dqCardIn .35s cubic-bezier(.34,1.56,.64,1)}.dq-result-score-row{display:flex;align-items:center;gap:20px;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:20px 24px}.score-ring-wrap{position:relative;width:100px;height:100px;flex-shrink:0}.score-ring-label{position:absolute;inset:0;display:flex;align-items:baseline;justify-content:center;gap:2px;padding-top:30px}.score-ring-num{font-size:28px;font-weight:900;line-height:1}.score-ring-denom{font-size:14px;font-weight:600;color:#fff6}.dq-result-verdict{flex:1}.dq-verdict-badge{display:inline-block;font-size:15px;font-weight:800;padding:8px 16px;border-radius:999px}.dq-verdict--great{background:#22c55e2e;border:1px solid rgba(34,197,94,.4);color:#4ade80}.dq-verdict--ok{background:#f973162e;border:1px solid rgba(249,115,22,.4);color:#fb923c}.dq-verdict--bad{background:#ef44442e;border:1px solid rgba(239,68,68,.4);color:#f87171}.dq-result-section{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:18px 20px}.dq-result-section-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#ffffff59;margin-bottom:10px}.dq-result-answer{font-size:14px;color:#ffffffbf;line-height:1.6;white-space:pre-wrap}.dq-result-feedback{font-size:14px;color:#ffffffd9;line-height:1.65}.dq-result-feedback p{margin:0 0 8px}.dq-result-feedback p:last-child{margin:0}.dq-result-model-answer{font-size:14px;color:#fffc;line-height:1.65;border-left:3px solid rgba(34,197,94,.5);padding-left:14px}.dq-result-model-answer p{margin:0 0 8px}.dq-result-model-answer p:last-child{margin:0}.dq-next-btn{align-self:flex-end;background:linear-gradient(135deg,#22c55e,#16a34a);border:none;border-radius:12px;padding:13px 26px;font-size:15px;font-weight:800;color:#fff;cursor:pointer;font-family:Sora,sans-serif;box-shadow:0 6px 20px #22c55e47;transition:all .2s ease;animation:dqCardIn .3s cubic-bezier(.34,1.56,.64,1)}.dq-next-btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px #22c55e66}.dq-done-card{position:relative;z-index:1;width:100%;max-width:560px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;background:linear-gradient(135deg,#ffffff0f,#ffffff05);border:1px solid rgba(255,255,255,.1);border-radius:28px;padding:44px 36px;box-shadow:0 30px 80px #0000008c;animation:dqCardIn .4s cubic-bezier(.34,1.56,.64,1)}.dq-done-emoji{width:80px;height:80px;border-radius:24px;display:grid;place-items:center;font-size:38px;animation:dqEmojiPop .6s cubic-bezier(.34,1.56,.64,1)}@keyframes dqEmojiPop{0%{opacity:0;transform:scale(0) rotate(-20deg)}to{opacity:1;transform:scale(1) rotate(0)}}.dq-done-emoji--great{background:linear-gradient(135deg,#eab30840,#eab3081a);border:1px solid rgba(234,179,8,.4);box-shadow:0 12px 30px #eab30833}.dq-done-emoji--ok{background:linear-gradient(135deg,#f9731640,#f973161a);border:1px solid rgba(249,115,22,.4)}.dq-done-emoji--bad{background:linear-gradient(135deg,#6366f140,#6366f11a);border:1px solid rgba(99,102,241,.4)}.dq-done-title{margin:0;font-size:30px;font-weight:900;color:#fff;letter-spacing:-.02em}.dq-done-sub{margin:0;font-size:13px;color:#ffffff73}.dq-done-results{width:100%;display:flex;flex-direction:column;gap:8px;max-height:200px;overflow-y:auto;padding:4px 0}.dq-done-row{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;text-align:left;font-size:13px}.dq-done-row--great{background:#22c55e14;border:1px solid rgba(34,197,94,.2)}.dq-done-row--ok{background:#f9731614;border:1px solid rgba(249,115,22,.2)}.dq-done-row--bad{background:#ef444414;border:1px solid rgba(239,68,68,.2)}.dq-done-row-score{font-size:13px;font-weight:900;flex-shrink:0;min-width:36px}.dq-done-row--great .dq-done-row-score{color:#4ade80}.dq-done-row--ok .dq-done-row-score{color:#fb923c}.dq-done-row--bad .dq-done-row-score{color:#f87171}.dq-done-row-q{color:#ffffffbf;line-height:1.4}.dq-done-actions{display:flex;flex-direction:column;gap:10px;width:100%}.dq-back-alt{background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 24px;font-size:14px;font-weight:700;color:#fffc;cursor:pointer;font-family:Sora,sans-serif;transition:all .18s ease}.dq-back-alt:hover{background:#ffffff1a}.dq-done-results::-webkit-scrollbar{width:4px}.dq-done-results::-webkit-scrollbar-track{background:transparent}.dq-done-results::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}@media(max-width:480px){.dq-card{margin-top:70px}.dq-question-box{padding:18px}.dq-done-card{padding:32px 22px}.dq-idle-card{padding:36px 22px}.dq-result-score-row{flex-direction:column;text-align:center}}.account-loading{display:grid;place-items:center;min-height:100vh}.account-spinner{width:36px;height:36px;border:3px solid rgba(124,92,255,.2);border-top-color:#7c5cff;border-radius:50%;animation:spin .7s linear infinite}.account-page{display:grid;grid-template-columns:240px 1fr;min-height:100vh;padding-top:52px}@media(min-width:1024px){.account-page{padding-top:56px}}.account-sidebar{position:sticky;top:52px;height:calc(100vh - 52px);overflow-y:auto;background:#0b0b0fb3;border-right:1px solid rgba(255,255,255,.06);padding:24px 16px;display:flex;flex-direction:column;gap:8px}@media(min-width:1024px){.account-sidebar{top:56px;height:calc(100vh - 56px)}}.account-back{background:#ffffff0d;border:1px solid rgba(255,255,255,.08);color:#ffffffb3;border-radius:10px;padding:8px 12px;font-size:13px;font-weight:600;cursor:pointer;text-align:left;transition:all .16s ease;margin-bottom:8px}.account-back:hover{background:#ffffff17;color:#fff;transform:translate(-2px)}.account-avatar-wrap{display:flex;align-items:center;gap:12px;padding:12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.07);border-radius:12px;margin-bottom:8px}.account-avatar{width:42px;height:42px;min-width:42px;border-radius:50%;background:linear-gradient(135deg,#7c5cff,#5a3ee0);display:grid;place-items:center;font-size:17px;font-weight:900;color:#fff;box-shadow:0 4px 16px #7c5cff59}.account-avatar-info{display:flex;flex-direction:column;gap:2px;min-width:0}.account-avatar-name{font-size:13px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-avatar-plan{font-size:11px;font-weight:600}.account-nav{display:flex;flex-direction:column;gap:2px;flex:1}.account-nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:transparent;border:none;color:#fff9;font-size:13px;font-weight:600;cursor:pointer;text-align:left;transition:all .16s ease}.account-nav-item:hover{background:#ffffff0f;color:#ffffffe6}.account-nav-item.active{background:#7c5cff26;color:#a78bfa;border:1px solid rgba(124,92,255,.2)}.account-nav-icon{font-size:15px;opacity:.8}.account-logout-btn{margin-top:8px;padding:10px 12px;border-radius:10px;background:#ff464612;border:1px solid rgba(255,70,70,.15);color:#ff6464d9;font-size:13px;font-weight:600;cursor:pointer;transition:all .16s ease;text-align:left}.account-logout-btn:hover{background:#ff464621;color:#ff7070}.account-main{padding:32px 28px;max-width:760px}.account-section{display:flex;flex-direction:column;gap:20px;animation:sectionIn .2s ease-out}@keyframes sectionIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.account-section-title{margin:0 0 4px;font-size:24px;font-weight:900;letter-spacing:-.02em}.acc-card{background:linear-gradient(135deg,#ffffff0a,#ffffff05);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:22px 24px;display:flex;flex-direction:column;gap:14px}.acc-card--plan{border-color:#7c5cff33;background:linear-gradient(135deg,#7c5cff0f,#ffffff05)}.acc-card--danger{border-color:#ff464626;background:linear-gradient(135deg,#ff32320a,#ffffff05)}.acc-card-header{display:flex;align-items:center;gap:10px}.acc-card-icon{font-size:18px;line-height:1}.acc-card-header h2{margin:0;font-size:15px;font-weight:800;color:#ffffffeb;flex:1}.acc-field-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05)}.acc-field-row:last-of-type{border-bottom:none}.acc-field-label{font-size:13px;color:#ffffff8c;font-weight:500}.acc-field-value{font-size:13px;color:#ffffffe0;font-weight:600}.acc-field-value--highlight{color:#a78bfa}.acc-payment-method{display:flex;align-items:center;gap:6px}.acc-card-chip{font-size:14px}.acc-plan-badge{font-size:10px;font-weight:800;letter-spacing:.8px;padding:4px 10px;border-radius:999px;text-transform:uppercase}.acc-status-chip{font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.3px}.acc-status-chip--active{background:#50c8781f;color:#6ee7a0;border:1px solid rgba(80,200,120,.25)}.acc-usage-row{display:flex;flex-direction:column;gap:6px}.acc-usage-label-row{display:flex;justify-content:space-between;font-size:13px;color:#ffffffb3}.acc-usage-count strong{color:#a78bfa}.acc-progress-track{height:6px;background:#ffffff14;border-radius:999px;overflow:hidden}.acc-progress-bar{height:100%;background:linear-gradient(90deg,#7c5cff,#a78bfa);border-radius:999px;transition:width .6s ease}.acc-progress-bar.warning{background:linear-gradient(90deg,#f0a500,#ffc947)}.acc-progress-bar.danger{background:linear-gradient(90deg,#f44,#ff7070)}.acc-usage-hint{font-size:11px;color:#fff6}.acc-stats-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding-top:4px}.acc-stat{background:#ffffff0a;border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:4px;align-items:center}.acc-stat-val{font-size:22px;font-weight:900;color:#a78bfa}.acc-stat-lbl{font-size:11px;color:#ffffff80;text-align:center}.acc-upgrade-prompt{display:flex;flex-direction:column;gap:12px}.acc-upgrade-prompt p{margin:0;font-size:14px;color:#ffffffb3}.acc-danger-perks{display:flex;flex-wrap:wrap;gap:8px}.acc-perk-lost{font-size:12px;padding:4px 10px;border-radius:999px;background:#ff464614;color:#ff6464cc;border:1px solid rgba(255,70,70,.15)}.acc-payment-list{display:flex;flex-direction:column;gap:0}.acc-payment-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05);font-size:13px}.acc-payment-item:last-child{border-bottom:none}.acc-payment-date{color:#ffffff80;min-width:110px}.acc-payment-desc{flex:1;color:#fffc}.acc-payment-amount{font-weight:700;color:#a78bfa}.acc-session-item{display:flex;align-items:center;gap:12px;padding:10px 0}.acc-session-icon{font-size:22px}.acc-session-info{display:flex;flex-direction:column;gap:2px;flex:1}.acc-session-device{font-size:13px;font-weight:600;color:#ffffffe0}.acc-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;padding:10px 18px;font-size:13px;font-weight:700;cursor:pointer;transition:all .18s ease}.acc-btn--primary{background:linear-gradient(135deg,#7c5cff,#5a3ee0);color:#fff;box-shadow:0 6px 20px #7c5cff40}.acc-btn--primary:hover{transform:translateY(-1px);box-shadow:0 8px 26px #7c5cff59}.acc-btn--ghost{background:#ffffff0f;color:#ffffffd9;border:1px solid rgba(255,255,255,.12)}.acc-btn--ghost:hover{background:#ffffff1a}.acc-btn--danger{background:#ff46461f;color:#ff7070;border:1px solid rgba(255,70,70,.2)}.acc-btn--danger:hover{background:#ff464633}.acc-btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.acc-form{display:flex;flex-direction:column;gap:14px}.acc-label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#ffffffb3;font-weight:500}.acc-input{background:#0b0b0fcc;color:#fff;border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:10px 14px;font-size:13px;outline:none;transition:border-color .16s ease,box-shadow .16s ease;font-family:inherit}.acc-input:focus{border-color:#7c5cff99;box-shadow:0 0 0 3px #7c5cff1f}.acc-input::placeholder{color:#ffffff4d}select.acc-input option{background:#0b0b0f}.acc-alert{padding:10px 14px;border-radius:10px;font-size:13px;font-weight:500}.acc-alert--error{background:#ff46461a;border:1px solid rgba(255,70,70,.25);color:#ff9090}.acc-alert--success{background:#50c8781a;border:1px solid rgba(80,200,120,.25);color:#6ee7a0}.acc-muted{margin:0;font-size:13px;color:#ffffff80;line-height:1.6}.acc-modal-overlay{position:fixed;inset:0;z-index:9998;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:grid;place-items:center;padding:24px}.acc-modal{width:min(480px,92vw);background:linear-gradient(180deg,#1e1c28fa,#14121efa);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:14px;position:relative;animation:modalIn .18s ease-out;box-shadow:0 32px 80px #0009}@keyframes modalIn{0%{opacity:0;transform:scale(.96) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.acc-modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:50%;background:#ffffff12;border:1px solid rgba(255,255,255,.12);color:#ffffffb3;cursor:pointer;display:grid;place-items:center;font-size:13px;transition:all .16s ease}.acc-modal-close:hover{background:#ffffff1f;color:#fff}.acc-modal-icon{font-size:36px;text-align:center}.acc-modal-title{margin:0;font-size:18px;font-weight:900;text-align:center}.acc-modal-desc{margin:0;font-size:14px;color:#ffffffa6;text-align:center;line-height:1.6}.acc-modal-perks{display:grid;grid-template-columns:1fr 1fr;gap:8px}.acc-modal-actions{display:flex;gap:10px;margin-top:6px}.acc-modal-actions .acc-btn{flex:1}@media(max-width:767px){.account-page{grid-template-columns:1fr}.account-sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;padding:14px 16px;gap:8px;border-right:none;border-bottom:1px solid rgba(255,255,255,.06)}.account-back{margin-bottom:0}.account-avatar-wrap{display:none}.account-nav{flex-direction:row;flex:unset}.account-logout-btn{margin-top:0}.account-main{padding:20px 16px}.acc-stats-grid{grid-template-columns:1fr 1fr}}.acc-success-banner{display:flex;align-items:center;gap:10px;background:#1a3a2a;border:1px solid #2d6a4a;color:#6ee7a0;border-radius:10px;padding:14px 18px;margin-bottom:20px;font-size:14px;font-weight:500}.plans-page{max-width:1100px;margin:0 auto;padding:40px 16px 60px}.plans-page-header{margin-bottom:36px}.plans-page-back{background:#ffffff0f;border:1px solid rgba(124,92,255,.2);color:#ffffffbf;border-radius:10px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:all .16s ease;margin-bottom:24px;display:inline-flex;align-items:center;gap:6px}.plans-page-back:hover{background:#7c5cff1f;border-color:#7c5cff66;color:#fff;transform:translate(-2px)}.plans-page-heading{text-align:center}.plans-page-title{font-size:clamp(28px,4vw,44px);font-weight:900;margin:0 0 12px;letter-spacing:-.02em}.plans-page-subtitle{font-size:16px;color:var(--text-muted);max-width:55ch;margin:0 auto}.plans-page-highlight{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#7c5cff1f,#5a3ee014);border:1px solid rgba(124,92,255,.25);border-radius:12px;padding:12px 20px;margin-bottom:36px;font-size:14px;color:#ffffffd9;font-weight:500}.plans-highlight-icon{font-size:18px;flex-shrink:0}.plans-page-grid{display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:768px){.plans-page-grid{grid-template-columns:repeat(3,1fr);align-items:start}}.plans-page-card{position:relative;background:linear-gradient(180deg,#ffffff0d,#ffffff05);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:20px;transition:transform .22s ease,box-shadow .22s ease}.plans-page-card:hover{transform:translateY(-4px);box-shadow:0 20px 50px #0006}.plans-page-card--premium{border-color:#7c5cff33;background:linear-gradient(180deg,#7c5cff14,#5a3ee00a)}.plans-page-card--featured{border-color:#7c5cff73;background:linear-gradient(180deg,#7c5cff26,#5a3ee014);box-shadow:0 8px 32px #7c5cff33,0 0 0 1px #7c5cff4d}.plans-page-card--featured:hover{box-shadow:0 20px 50px #7c5cff4d,0 0 0 1px #7c5cff66}.plans-page-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;padding:4px 14px;border-radius:999px;white-space:nowrap;box-shadow:0 4px 12px #7c5cff66}.plans-page-card-head{padding-top:8px}.plans-page-name{font-size:22px;font-weight:900;margin:0 0 8px}.plans-page-price{font-size:40px;font-weight:900;margin:0 0 12px;line-height:1;background:linear-gradient(135deg,#fff,#fffc);-webkit-background-clip:text;background-clip:text;color:transparent;display:flex;align-items:flex-start;gap:2px}.plans-page-currency{font-size:20px;margin-top:6px;color:#ffffffb3;-webkit-text-fill-color:rgba(255,255,255,.7)}.plans-page-period{font-size:16px;font-weight:500;color:#ffffff80;-webkit-text-fill-color:rgba(255,255,255,.5);align-self:flex-end;margin-bottom:4px}.plans-page-desc{font-size:13px;line-height:1.6;color:var(--text-muted);margin:0}.plans-page-features{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;flex:1}.plans-page-features li{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#fffc;line-height:1.5}.plans-check{color:var(--violet-500);font-weight:900;font-size:14px;flex-shrink:0;margin-top:1px}.plans-page-footer{display:flex;flex-direction:column;gap:10px;align-items:center}.plans-page-btn{width:100%;padding:13px 20px;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;border:none;transition:all .18s ease}.plans-page-btn--primary{background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;box-shadow:0 4px 16px #7c5cff59}.plans-page-btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #7c5cff73;filter:brightness(1.1)}.plans-page-btn--ghost{background:#ffffff0d;border:1px solid rgba(255,255,255,.12);color:#fff9;cursor:default}.plans-page-btn:disabled{cursor:default;opacity:.7}.plans-page-footnote{font-size:11px;color:var(--text-muted);text-align:center;margin:0}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.hamburger-btn{display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;padding:6px;margin-right:8px;color:inherit}.hamburger-icon{display:flex;flex-direction:column;gap:5px;width:22px}.hamburger-icon span{display:block;height:2px;background:currentColor;border-radius:2px;transition:all .25s ease;transform-origin:center}.hamburger-icon.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-icon.open span:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger-icon.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.chat-view,.folder-chat-view{display:flex;height:100vh;width:100vw;position:fixed;inset:0;background:var(--bg-main);padding-top:52px;z-index:1}.chat-sidebar{width:300px;min-width:300px;max-width:300px;height:100%;background:linear-gradient(180deg,#12121afa,#0b0b0ffa);border-right:1px solid rgba(124,92,255,.15);display:flex;flex-direction:column;position:relative;box-shadow:2px 0 20px #0000004d;z-index:10;flex-shrink:0}.chat-sidebar.closed{margin-left:-300px}.chat-sidebar-header{padding:16px;border-bottom:1px solid rgba(124,92,255,.12);display:flex;gap:10px;background:linear-gradient(135deg,#7c5cff14,#5a3ee00d);flex-shrink:0}.btn-icon{width:40px;height:40px;border-radius:10px;background:#ffffff14;border:1px solid rgba(124,92,255,.2);color:var(--text-main);font-size:18px;cursor:pointer;display:grid;place-items:center;transition:all .18s ease;box-shadow:0 2px 8px #0003}.btn-icon:hover{background:#7c5cff26;border-color:#7c5cff59;transform:translateY(-1px);box-shadow:0 4px 12px #7c5cff33}.btn-new-chat{flex:1;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;border:none;border-radius:10px;padding:10px 14px;font-weight:700;font-size:13px;cursor:pointer;transition:all .18s ease;box-shadow:0 4px 12px #7c5cff4d,inset 0 1px #fff3}.btn-new-chat:hover{transform:translateY(-1px);filter:brightness(1.1);box-shadow:0 6px 16px #7c5cff66,inset 0 1px #fff3}.folder-sidebar-title{padding:12px 16px;font-size:13px;font-weight:700;color:var(--violet-500);background:#7c5cff14;border-bottom:1px solid rgba(124,92,255,.15);text-align:center}.chat-list{flex:1;overflow-y:auto;padding:12px;min-height:0}.chat-list-empty{padding:20px;text-align:center;color:var(--text-muted);font-size:14px}.chat-item{padding:12px 14px;border-radius:12px;margin-bottom:8px;cursor:pointer;transition:all .18s ease;border:1px solid rgba(255,255,255,.06);background:#ffffff05;position:relative;overflow:hidden}.chat-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--violet-500),var(--violet-700));opacity:0;transition:opacity .18s ease}.chat-item:hover{background:#7c5cff14;border-color:#7c5cff33;transform:translate(4px);box-shadow:0 2px 8px #7c5cff26}.chat-item:hover:before{opacity:1}.chat-item.active{background:linear-gradient(135deg,#7c5cff33,#5a3ee026);border-color:#7c5cff66;box-shadow:0 4px 12px #7c5cff40,inset 0 1px #ffffff1a}.chat-item.active:before{opacity:1}.chat-item-title{font-size:14px;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fffffff2}.chat-item.active .chat-item-title{color:#fff;font-weight:700}.chat-item-date{font-size:12px;color:#ffffff80}.chat-item.active .chat-item-date{color:#ffffffb3}.sidebar-toggle{position:absolute;right:-20px;top:50%;transform:translateY(-50%);width:32px;height:60px;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));border:none;border-radius:0 12px 12px 0;color:#fff;cursor:pointer;font-size:14px;z-index:10;transition:all .18s ease;box-shadow:2px 0 12px #7c5cff4d}.sidebar-toggle:hover{transform:translateY(-50%) translate(2px);box-shadow:4px 0 16px #7c5cff66}.sidebar-upgrade{margin:0 12px 12px;padding:14px;background:linear-gradient(135deg,#7c5cff26,#5a3ee014);border:1px solid rgba(124,92,255,.3);border-radius:14px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:all .18s ease;position:relative;overflow:hidden;flex-shrink:0}.sidebar-upgrade-glow{position:absolute;top:-20px;right:-20px;width:70px;height:70px;background:radial-gradient(circle,rgba(124,92,255,.4),transparent 70%);pointer-events:none;animation:glowPulse 3s ease-in-out infinite}@keyframes glowPulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.2)}}.sidebar-upgrade:hover{border-color:#7c5cff8c;background:linear-gradient(135deg,#7c5cff38,#5a3ee024);box-shadow:0 6px 20px #7c5cff40;transform:translateY(-1px)}.sidebar-upgrade-icon{font-size:22px;flex-shrink:0;filter:drop-shadow(0 0 6px rgba(124,92,255,.7))}.sidebar-upgrade-content{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.sidebar-upgrade-title{font-size:13px;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-upgrade-desc{font-size:11px;color:#ffffff8c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-upgrade-arrow{font-size:16px;color:#7c5cffe6;flex-shrink:0;transition:transform .18s ease}.sidebar-upgrade:hover .sidebar-upgrade-arrow{transform:translate(3px)}.chat-message{max-width:75%;animation:messageIn .25s cubic-bezier(.34,1.56,.64,1);display:flex;flex-direction:column;gap:12px}@keyframes messageIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-message--user{align-self:flex-end}.chat-message--assistant{align-self:flex-start;max-width:90%}.chat-message-content{background:linear-gradient(135deg,#ffffff1a,#ffffff0d);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:16px 20px;line-height:1.7;box-shadow:0 4px 16px #0003;position:relative;overflow:hidden}.chat-message-content:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(124,92,255,.05),transparent);opacity:0;transition:opacity .25s ease;pointer-events:none}.chat-message:hover .chat-message-content:before{opacity:1}.chat-message--user .chat-message-content{background:linear-gradient(135deg,var(--violet-500),var(--violet-700));border-color:#7c5cff66;box-shadow:0 4px 16px #7c5cff4d}.chat-message--assistant .chat-message-content{background:linear-gradient(135deg,#1e1e28f2,#14141ef2);border-color:#7c5cff26}.assistant-message-body p{margin:0 0 10px;line-height:1.75}.assistant-message-body p:last-child{margin-bottom:0}.assistant-message-body ul,.assistant-message-body ol{margin:8px 0 12px;padding-left:24px}.assistant-message-body ul{list-style:none;padding-left:8px}.assistant-message-body ul li{position:relative;padding-left:20px;margin-bottom:8px;line-height:1.7}.assistant-message-body ul li:before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));box-shadow:0 0 6px #7c5cff80}.assistant-message-body ol{list-style:decimal;padding-left:24px}.assistant-message-body ol li{margin-bottom:8px;line-height:1.7;padding-left:4px}.assistant-message-body ol li::marker{color:var(--violet-500);font-weight:700}.assistant-message-body ul ul,.assistant-message-body ul ol,.assistant-message-body ol ul,.assistant-message-body ol ol{margin:6px 0 4px}.assistant-message-body ul ul li:before{width:5px;height:5px;top:11px;background:#7c5cff80;box-shadow:none}.assistant-message-body h1,.assistant-message-body h2,.assistant-message-body h3,.assistant-message-body h4{font-weight:700;margin:16px 0 8px;color:#fff}.assistant-message-body h1{font-size:1.4em}.assistant-message-body h2{font-size:1.2em}.assistant-message-body h3{font-size:1.05em}.assistant-message-body strong{color:#fffffff2;font-weight:700}.assistant-message-body code{background:#7c5cff26;border:1px solid rgba(124,92,255,.25);border-radius:5px;padding:2px 6px;font-size:.88em;font-family:Fira Code,Cascadia Code,monospace;color:#c8b4fff2}.assistant-message-body pre{background:#0006;border:1px solid rgba(124,92,255,.2);border-radius:10px;padding:14px 16px;overflow-x:auto;margin:12px 0}.assistant-message-body pre code{background:none;border:none;padding:0;font-size:.9em}.assistant-message-body blockquote{border-left:3px solid var(--violet-500);margin:10px 0;padding:6px 14px;background:#7c5cff12;border-radius:0 8px 8px 0;color:#fffc}.typing-indicator{display:flex;gap:6px;padding:8px 0}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:var(--violet-500);animation:typing 1.4s ease-in-out infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-10px);opacity:1}}.message-plot-wrapper{border-radius:16px;overflow:hidden;border:1px solid rgba(124,92,255,.25);background:linear-gradient(135deg,#12121ef7,#0a0a14f7);box-shadow:0 8px 32px #0006,0 0 0 1px #7c5cff1a;transition:all .28s cubic-bezier(.34,1.2,.64,1);animation:plotSlideIn .35s cubic-bezier(.34,1.2,.64,1);width:100%}@keyframes plotSlideIn{0%{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.message-plot-wrapper.minimized{box-shadow:0 4px 12px #0000004d}.message-plot-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:linear-gradient(135deg,#7c5cff1f,#5a3ee00f);border-bottom:1px solid rgba(124,92,255,.15)}.message-plot-title{font-size:13px;font-weight:700;color:#c8b4ffe6;letter-spacing:.02em}.message-plot-toggle{background:#7c5cff26;border:1px solid rgba(124,92,255,.3);color:#c8b4ffd9;border-radius:8px;padding:5px 12px;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s ease;white-space:nowrap}.message-plot-toggle:hover{background:#7c5cff47;border-color:#7c5cff80;color:#fff;transform:translateY(-1px);box-shadow:0 3px 10px #7c5cff40}.message-plot-body{padding:8px;animation:plotBodyIn .25s ease-out}@keyframes plotBodyIn{0%{opacity:0;transform:scaleY(.95);transform-origin:top}to{opacity:1;transform:scaleY(1)}}.plot-error{color:orange;font-size:14px;margin:8px 0}.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden;height:100%;width:100%;position:relative;transition:all .3s ease}.chat-main--empty{justify-content:center;align-items:center}.chat-messages{flex:1;overflow-y:auto;overflow-x:hidden;padding:24px 32px;display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth}.chat-messages--hidden{display:none}.chat-empty-hero{text-align:center;margin-bottom:24px;animation:heroFadeIn .4s ease-out}@keyframes heroFadeIn{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.chat-empty-hero__title{font-size:clamp(22px,3vw,32px);font-weight:700;color:#ffffffeb;margin:0;letter-spacing:-.02em}.chat-input-area{padding:12px 24px 16px;border-top:1px solid rgba(124,92,255,.12);background:linear-gradient(180deg,#12121af2,#0b0b0ffa);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-shrink:0;transition:all .35s cubic-bezier(.4,0,.2,1)}.chat-input-area--centered{border-top:none;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;width:100%;max-width:680px;padding:0 24px}.chat-error{color:#ff6b6b;font-size:14px;margin-bottom:10px;padding:8px 12px;background:#ff46461f;border:1px solid rgba(255,70,70,.3);border-radius:10px;animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.chat-input-row{display:flex;align-items:flex-end;gap:8px}.chat-input-box{flex:1;display:flex;flex-direction:column;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:visible;transition:border-color .2s ease,box-shadow .2s ease}.chat-input-box:focus-within{border-color:#7c5cff80;box-shadow:0 0 0 3px #7c5cff14}.chat-input-box textarea{width:100%;background:#ffffff0d;color:var(--text-main);border:none;outline:none;padding:14px 16px 8px;font-family:inherit;font-size:15px;resize:none;line-height:1.55;box-sizing:border-box}.chat-input-box textarea::placeholder{color:#ffffff47}.chat-input-toolbar{display:flex;align-items:center;gap:4px;padding:6px 10px 10px;overflow:visible;position:relative;z-index:10}.btn-toolbar{display:flex;align-items:center;gap:5px;background:transparent;border:none;color:#ffffff73;font-size:13px;font-weight:500;cursor:pointer;padding:5px 8px;border-radius:8px;transition:all .15s ease}.btn-toolbar:hover{background:#7c5cff1f;color:#ffffffd9}.btn-toolbar:disabled{opacity:.3;cursor:not-allowed}.char-counter-inline{margin-left:auto;font-size:11px;pointer-events:none;transition:color .2s ease}.chat-input-side{display:flex;flex-direction:column;align-items:center;gap:6px;flex-shrink:0}.btn-side-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;cursor:pointer;transition:all .16s ease;flex-shrink:0;border:1px solid rgba(255,255,255,.1);background:#ffffff0d;color:#ffffff8c}.btn-side-icon:hover{background:#7c5cff26;border-color:#7c5cff66;color:#ffffffe6;transform:translateY(-1px)}.btn-send-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;cursor:pointer;transition:all .16s ease;flex-shrink:0;border:none;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;box-shadow:0 4px 14px #7c5cff59}.btn-send-icon:hover:not(:disabled){filter:brightness(1.12);transform:translateY(-2px);box-shadow:0 6px 18px #7c5cff73}.btn-send-icon:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.btn-send-icon__spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:block}@keyframes spin{to{transform:rotate(360deg)}}.folder-popup-inline{position:relative}.folder-popup-content--inline{position:absolute;bottom:calc(100% + 8px);right:0;min-width:260px;max-width:300px;z-index:200;background:linear-gradient(180deg,#12121afc,#0b0b0ffc);border:1px solid rgba(124,92,255,.3);border-radius:14px;box-shadow:0 8px 32px #0009;animation:popupIn .18s ease-out}@keyframes popupIn{0%{opacity:0;transform:translateY(6px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.folder-popup-header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid rgba(124,92,255,.15);background:linear-gradient(135deg,#7c5cff1a,#5a3ee00d);border-radius:14px 14px 0 0;font-weight:700;font-size:13px}.folder-popup-close{width:22px;height:22px;border-radius:50%;background:#ffffff14;border:1px solid rgba(255,255,255,.12);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:12px;transition:all .14s ease}.folder-popup-close:hover{background:#ff464633;border-color:#ff464666}.folder-popup-list{max-height:240px;overflow-y:auto;padding:6px}.folder-popup-empty{padding:16px;text-align:center;color:var(--text-muted);font-size:13px;margin:0}.folder-popup-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;cursor:pointer;transition:all .14s ease;border:1px solid transparent;margin-bottom:3px}.folder-popup-item:hover{background:#7c5cff1f;border-color:#7c5cff40;transform:translate(3px)}.folder-popup-icon{font-size:16px}.folder-popup-name{flex:1;font-size:13px;font-weight:600}.folder-popup-count{font-size:11px;color:var(--text-muted);background:#ffffff0f;padding:2px 7px;border-radius:999px}.input-image-preview{position:relative;display:inline-block;margin-bottom:8px}.input-image-preview img{max-height:80px;border-radius:8px;border:1px solid rgba(124,92,255,.3)}.input-image-preview__remove{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;background:#ff4646cc;border:none;color:#fff;font-size:11px;cursor:pointer;display:grid;place-items:center}@media(max-width:768px){.chat-sidebar{position:absolute;left:0;top:52px;bottom:0;height:calc(100vh - 52px);z-index:100;box-shadow:4px 0 20px #00000080}.chat-sidebar.closed{transform:translate(-100%);margin-left:0}.chat-message{max-width:95%}.chat-message--assistant{max-width:98%}.chat-input-area{padding:10px 14px 14px}.btn-send{padding:9px 14px;font-size:13px}}.folder-flashcards-btn{display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,#7c5cff33,#7c5cff1a);border:1px solid rgba(124,92,255,.35);border-radius:10px;padding:9px 16px;font-size:13px;font-weight:700;color:#ffffffe6;cursor:pointer;transition:all .18s ease;width:100%;margin-top:8px}.folder-flashcards-btn:hover{background:linear-gradient(135deg,#7c5cff4d,#7c5cff2e);border-color:#7c5cff8c;transform:translateY(-1px);box-shadow:0 6px 20px #7c5cff33}.plans-page-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:4px;min-height:28px}.plans-page-trial-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.03em;background:linear-gradient(135deg,#ff8c0038,#ff64001f);border:1px solid rgba(255,140,0,.55);color:#ffaa40;box-shadow:0 0 12px #ff8c002e;animation:trialPulse 2.8s ease-in-out infinite}@keyframes trialPulse{0%,to{box-shadow:0 0 12px #ff8c002e}50%{box-shadow:0 0 22px #ff8c0066}}.model-selector{position:relative;z-index:20}.model-selector__dropdown{z-index:9999}.chat-list{direction:rtl}.chat-list .chat-item{direction:ltr}.chat-list::-webkit-scrollbar{width:4px}.chat-list::-webkit-scrollbar-track{background:#7c5cff0d;border-radius:999px}.chat-list::-webkit-scrollbar-thumb{background:#7c5cff59;border-radius:999px}.chat-list::-webkit-scrollbar-thumb:hover{background:#7c5cff99}@media(min-width:1024px){.chat-sidebar{width:380px;min-width:380px;max-width:380px}.chat-sidebar.closed{margin-left:-380px}}@media(max-width:768px){.btn-toolbar span,.btn-toolbar .mk-label{display:none}.btn-toolbar{padding:5px 6px;font-size:14px}.model-selector__trigger{padding:5px 8px;font-size:11px}.model-selector__cost,.model-selector__chevron{display:none}.char-counter-inline{font-size:10px}}.mk-label{display:inline}@media(max-width:768px){.mk-label,.btn-toolbar span{display:none}}@media(min-width:768px)and (max-width:1024px){.chat-list{min-height:0;max-height:calc(100vh - 220px)}}.folder-popup-item--locked{cursor:not-allowed;opacity:.6}.folder-popup-item--locked:hover{transform:none;background:transparent;border-color:transparent}.folder-popup-locked-label{font-size:11px;color:#ff8c00cc;white-space:nowrap}.chat-item--removable{display:flex;align-items:center;gap:8px;padding-right:6px}.chat-item-body{flex:1;min-width:0}.chat-item-remove{flex-shrink:0;width:22px;height:22px;border-radius:6px;background:transparent;border:none;color:#ffffff40;font-size:11px;cursor:pointer;display:grid;place-items:center;opacity:0;transition:opacity .14s ease,background .14s ease,color .14s ease}.chat-item--removable:hover .chat-item-remove{opacity:1}.chat-item-remove:hover{background:#ef44442e;color:#f87171}.chat-item-remove:active{transform:scale(.9)}.study-hub{max-width:1400px;margin:0 auto;padding:28px 20px 48px;min-height:calc(100vh - 80px);animation:studyHubIn .32s cubic-bezier(.22,1,.36,1) both}@keyframes studyHubIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.study-header{display:flex;align-items:center;gap:20px;margin-bottom:28px}.study-header-text{display:flex;flex-direction:column;gap:2px}.btn-back{background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:var(--text-main);padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .14s ease,background .14s ease;white-space:nowrap;flex-shrink:0}.btn-back:hover{background:#ffffff1a;transform:translate(-2px)}.study-title{font-size:clamp(24px,3vw,36px);margin:0;letter-spacing:-.02em;line-height:1}.study-subtitle{margin:0;font-size:13px;color:#ffffff73;font-weight:500}.study-tools-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px}@media(max-width:640px){.study-tools-strip{grid-template-columns:1fr}}.study-tool-card{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:18px;border:1px solid var(--border-soft);cursor:pointer;transition:all .22s cubic-bezier(.34,1.2,.64,1);position:relative;overflow:hidden}.study-tool-card__glow{position:absolute;inset:0;opacity:0;transition:opacity .22s ease;pointer-events:none;border-radius:inherit}.study-tool-card:hover{transform:translateY(-3px)}.study-tool-card:hover .study-tool-card__glow{opacity:1}.study-tool-card__icon-wrap{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;position:relative;z-index:1;transition:transform .22s ease}.study-tool-card:hover .study-tool-card__icon-wrap{transform:scale(1.08)}.study-tool-card__icon{font-size:22px;line-height:1}.study-tool-card__text{display:flex;flex-direction:column;gap:3px;flex:1;position:relative;z-index:1}.study-tool-card__title{font-size:14px;font-weight:800;color:#fff;letter-spacing:-.01em}.study-tool-card__sub{font-size:12px;color:#ffffff73;line-height:1.3}.study-tool-card__arrow{font-size:16px;opacity:.3;transition:transform .22s ease,opacity .22s ease;position:relative;z-index:1;flex-shrink:0}.study-tool-card:hover .study-tool-card__arrow{transform:translate(5px);opacity:.9}.study-tool-card--chat{background:linear-gradient(135deg,#7c5cff1f,#5a3ee012);border-color:#7c5cff33}.study-tool-card--chat .study-tool-card__glow{background:linear-gradient(135deg,rgba(124,92,255,.18),transparent 70%)}.study-tool-card--chat .study-tool-card__icon-wrap{background:#7c5cff26;border:1px solid rgba(124,92,255,.25)}.study-tool-card--chat:hover{border-color:#7c5cff73;box-shadow:0 10px 32px #7c5cff38,0 0 0 1px #7c5cff26}.study-tool-card--flash{background:linear-gradient(135deg,#fb923c1a,#ef44440f);border-color:#fb923c2e}.study-tool-card--flash .study-tool-card__glow{background:linear-gradient(135deg,rgba(251,146,60,.16),transparent 70%)}.study-tool-card--flash .study-tool-card__icon-wrap{background:#fb923c21;border:1px solid rgba(251,146,60,.22)}.study-tool-card--flash:hover{border-color:#fb923c73;box-shadow:0 10px 32px #fb923c2e,0 0 0 1px #fb923c1f}.study-tool-card--dev{background:linear-gradient(135deg,#22c55e1a,#10b9810f);border-color:#22c55e2e}.study-tool-card--dev .study-tool-card__glow{background:linear-gradient(135deg,rgba(34,197,94,.16),transparent 70%)}.study-tool-card--dev .study-tool-card__icon-wrap{background:#22c55e1f;border:1px solid rgba(34,197,94,.22)}.study-tool-card--dev:hover{border-color:#22c55e73;box-shadow:0 10px 32px #22c55e29,0 0 0 1px #22c55e1a}.study-stats-row{display:flex;align-items:center;gap:0;background:linear-gradient(135deg,#ffffff0a,#ffffff05);border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:16px 24px;margin-bottom:24px;overflow:hidden}.study-stat{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}.study-stat__value{font-size:26px;font-weight:900;background:linear-gradient(135deg,var(--violet-500),#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;letter-spacing:-.02em}.study-stat__label{font-size:11px;color:#fff6;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.study-stat-divider{width:1px;height:36px;background:#ffffff14;flex-shrink:0}@media(max-width:480px){.study-stats-row{gap:0;padding:14px 12px}.study-stat__value{font-size:20px}.study-stat__label{font-size:10px}}.study-tabs{display:flex;gap:6px;margin-bottom:24px;border-bottom:1px solid rgba(255,255,255,.07);padding-bottom:0}.study-tab{background:transparent;border:none;color:#ffffff73;padding:10px 18px;border-radius:10px 10px 0 0;font-size:14px;font-weight:700;cursor:pointer;transition:all .16s ease;border-bottom:2px solid transparent;margin-bottom:-1px}.study-tab:hover{color:#ffffffbf;background:#ffffff0a}.study-tab.active{color:var(--violet-500);border-bottom-color:var(--violet-500);background:#7c5cff0f}.study-content{animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.study-upgrade-banner{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(135deg,#7c5cff24,#5a3ee014);border:1px solid rgba(124,92,255,.28);border-radius:18px;padding:20px 28px;cursor:pointer;transition:all .22s ease;position:relative;overflow:hidden;margin-top:32px}.study-upgrade-banner__glow{position:absolute;top:-30px;right:-30px;width:140px;height:140px;background:radial-gradient(circle,rgba(124,92,255,.35),transparent 70%);pointer-events:none;animation:glowPulse 3s ease-in-out infinite}@keyframes glowPulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.15)}}.study-upgrade-banner:hover{border-color:#7c5cff80;box-shadow:0 8px 32px #7c5cff33;transform:translateY(-2px)}.study-upgrade-banner__left{display:flex;align-items:center;gap:16px;position:relative;z-index:1}.study-upgrade-banner__icon{font-size:30px;filter:drop-shadow(0 0 10px rgba(124,92,255,.7));animation:iconPulse 2.5s ease-in-out infinite;flex-shrink:0}@keyframes iconPulse{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.study-upgrade-banner__text{display:flex;flex-direction:column;gap:4px}.study-upgrade-banner__title{font-size:15px;font-weight:800;color:#fff;letter-spacing:-.01em}.study-upgrade-banner__desc{font-size:13px;color:#ffffff8c;line-height:1.4}.study-upgrade-banner__actions{display:flex;align-items:center;gap:16px;flex-shrink:0;position:relative;z-index:1}.study-upgrade-banner__price{font-size:13px;color:#ffffffa6;white-space:nowrap}.study-upgrade-banner__price strong{color:#fff;font-weight:800}.study-upgrade-banner__btn{background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;border:none;border-radius:10px;padding:10px 20px;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;transition:all .16s ease;box-shadow:0 4px 14px #7c5cff59}.study-upgrade-banner__btn:hover{filter:brightness(1.12);box-shadow:0 6px 20px #7c5cff73;transform:translateY(-1px)}@media(max-width:640px){.study-upgrade-banner{flex-direction:column;align-items:flex-start;gap:16px;padding:18px 20px}.study-upgrade-banner__actions{width:100%;justify-content:space-between}}.folders-view{display:flex;flex-direction:column;gap:24px}.folder-create-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.folder-create-btn{display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;border:none;border-radius:12px;padding:11px 20px;font-size:14px;font-weight:700;cursor:pointer;transition:all .18s ease;box-shadow:0 4px 14px #7c5cff4d}.folder-create-btn:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 6px 20px #7c5cff66}.folder-create-btn__icon{font-size:18px;font-weight:400}.unorganized-nudge{display:flex;align-items:center;gap:10px;background:#fb923c14;border:1px solid rgba(251,146,60,.2);border-radius:12px;padding:10px 16px;flex:1}.unorganized-nudge__icon{font-size:16px}.unorganized-nudge__text{font-size:13px;color:#ffffffbf;flex:1}.unorganized-nudge__btn{background:#fb923c29;border:1px solid rgba(251,146,60,.32);color:#fbbf24;border-radius:8px;padding:6px 12px;font-size:12px;font-weight:700;cursor:pointer;transition:all .14s ease;white-space:nowrap}.unorganized-nudge__btn:hover{background:#fb923c42}.folders-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.folders-onboarding{text-align:center;padding:40px 20px}.folders-onboarding__title{font-size:20px;font-weight:800;margin:0 0 8px}.folders-onboarding__desc{font-size:14px;color:var(--text-muted);margin:0}.empty-state{grid-column:1 / -1;text-align:center;padding:40px 20px;color:var(--text-muted);font-size:15px}.folders-empty-cta{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 20px;border:2px dashed rgba(124,92,255,.22);border-radius:18px;cursor:pointer;transition:all .16s ease;color:var(--text-muted)}.folders-empty-cta:hover{border-color:#7c5cff7a;background:#7c5cff0d;color:var(--text-main)}.folders-empty-cta__icon{font-size:36px}.folders-empty-cta__text{font-size:15px;font-weight:700}.folder-card{background:linear-gradient(180deg,#ffffff0f,#ffffff08);border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:20px 16px 16px;cursor:pointer;text-align:center;transition:transform .2s cubic-bezier(.34,1.2,.64,1),border-color .2s ease,box-shadow .2s ease;position:relative;overflow:hidden;animation:cardIn .3s ease-out both}@keyframes cardIn{0%{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.folder-card__bg{position:absolute;inset:-40%;background:radial-gradient(circle at 50% 0%,rgba(124,92,255,.12),transparent 60%);filter:blur(16px);opacity:.5;pointer-events:none;transition:opacity .2s ease}.folder-card:hover{transform:translateY(-5px);border-color:#7c5cff61;box-shadow:0 14px 44px #00000073,0 0 0 1px #7c5cff2e}.folder-card:hover .folder-card__bg{opacity:1}.folder-card.active{border-color:#7c5cff8c;background:linear-gradient(135deg,#7c5cff24,#5a3ee017);box-shadow:0 0 0 1px #7c5cff40,0 8px 24px #7c5cff26}.folder-icon{font-size:36px;margin-bottom:10px;position:relative;z-index:1;transition:transform .2s ease}.folder-card:hover .folder-icon{transform:scale(1.1)}.folder-name{font-size:14px;font-weight:700;margin-bottom:5px;position:relative;z-index:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.folder-count{font-size:12px;color:#ffffff73;margin-bottom:12px;position:relative;z-index:1}.folder-card-tools{display:flex;justify-content:center;gap:8px;position:relative;z-index:2}.folder-tool-btn{width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#ffffff0f;font-size:15px;cursor:pointer;display:grid;place-items:center;transition:all .18s ease;line-height:1}.folder-tool-btn--flash:hover{background:#fb923c38;border-color:#fb923c66;transform:scale(1.1);box-shadow:0 4px 12px #fb923c33}.folder-tool-btn--dev:hover{background:#22c55e38;border-color:#22c55e66;transform:scale(1.1);box-shadow:0 4px 12px #22c55e2e}.folder-tool-btn--files:hover{background:#63b3ed38;border-color:#63b3ed66;transform:scale(1.1);box-shadow:0 4px 12px #63b3ed33}.folder-progress{position:absolute;top:10px;right:10px;width:48px;height:48px}.progress-ring{transform:rotate(-90deg)}.progress-ring-circle-bg{fill:none;stroke:#ffffff12;stroke-width:3}.progress-ring-circle{fill:none;stroke:var(--violet-500);stroke-width:3;stroke-linecap:round;transition:stroke-dasharray .6s ease}.progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:10px;font-weight:800;color:var(--violet-500)}.folder-detail{background:linear-gradient(180deg,#ffffff0a,#ffffff05);border:1px solid rgba(255,255,255,.07);border-radius:18px;padding:24px;animation:fadeIn .2s ease-out}.folder-detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}.folder-detail-header h3{font-size:20px;margin:0}.folder-actions{display:flex;gap:8px;flex-wrap:wrap}.btn-add-chat,.btn-upload-file,.btn-flashcards,.btn-dev-questions,.btn-exam{color:#fff;border:none;border-radius:10px;padding:9px 14px;font-weight:700;font-size:13px;cursor:pointer;transition:transform .14s ease,filter .14s ease;white-space:nowrap}.btn-add-chat{background:#ffffff14;border:1px solid rgba(255,255,255,.14)}.btn-upload-file{background:linear-gradient(135deg,#3b82f6,#1d4ed8);box-shadow:0 4px 12px #3b82f640}.btn-flashcards{background:linear-gradient(135deg,#f97316,#ef4444)}.btn-dev-questions{background:linear-gradient(135deg,#22c55e,#16a34a)}.btn-exam{background:linear-gradient(135deg,var(--violet-500),var(--violet-700))}.btn-add-chat:hover,.btn-upload-file:hover,.btn-flashcards:hover,.btn-dev-questions:hover,.btn-exam:hover{transform:translateY(-1px);filter:brightness(1.08)}.add-chat-modal{background:#ffffff08;border:1px solid rgba(255,255,255,.07);border-radius:14px;padding:20px;margin-bottom:16px}.add-chat-modal h4{margin:0 0 14px;font-size:16px}.chat-selector{max-height:300px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;margin-bottom:14px}.chat-selector-item{padding:12px 14px;border-radius:10px;background:#ffffff0a;border:1px solid rgba(255,255,255,.07);cursor:pointer;transition:background .14s ease,transform .14s ease}.chat-selector-item:hover{background:#ffffff14;transform:translate(4px)}.chat-selector-title{font-weight:600;font-size:14px;margin-bottom:4px}.chat-selector-date{font-size:12px;color:var(--text-muted)}.add-chat-modal button{background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:var(--text-main);padding:8px 14px;border-radius:8px;cursor:pointer;transition:background .14s ease}.add-chat-modal button:hover{background:#ffffff1a}.folder-chats{display:flex;flex-direction:column;gap:10px}.folder-chat-item{padding:12px 14px;border-radius:10px;background:#ffffff08;border:1px solid rgba(255,255,255,.07);position:relative}.folder-chat-item--clickable{cursor:pointer;transition:all .18s ease}.folder-chat-item--clickable:hover{background:#7c5cff14;border-color:#7c5cff38;transform:translate(4px)}.folder-chat-title{font-weight:600;font-size:14px;margin-bottom:4px}.folder-chat-date{font-size:12px;color:var(--text-muted)}.folder-chat-arrow{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:18px;color:var(--violet-500);opacity:0;transition:opacity .18s ease,transform .18s ease}.folder-chat-item--clickable:hover .folder-chat-arrow{opacity:1;transform:translateY(-50%) translate(4px)}.pick-folder-overlay{position:fixed;inset:0;background:#000000a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:pfFadeIn .18s ease}@keyframes pfFadeIn{0%{opacity:0}to{opacity:1}}.pick-folder-modal{background:#13131f;border:1px solid rgba(255,255,255,.1);border-radius:22px;width:100%;max-width:460px;overflow:hidden;box-shadow:0 32px 80px #0009;animation:pfSlideUp .22s cubic-bezier(.34,1.56,.64,1)}@keyframes pfSlideUp{0%{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.pick-folder-header{display:flex;align-items:center;gap:14px;padding:22px 22px 18px;border-bottom:1px solid rgba(255,255,255,.07)}.pick-folder-icon{font-size:28px;flex-shrink:0}.pick-folder-header-text{flex:1}.pick-folder-title{margin:0;font-size:16px;font-weight:800;color:#fff}.pick-folder-sub{margin:3px 0 0;font-size:13px;color:#ffffff73}.pick-folder-close{background:#ffffff12;border:1px solid rgba(255,255,255,.1);color:#fff9;width:30px;height:30px;border-radius:8px;cursor:pointer;font-size:13px;display:grid;place-items:center;transition:all .14s ease;flex-shrink:0}.pick-folder-close:hover{background:#ffffff21;color:#fff}.pick-folder-list{padding:12px;display:flex;flex-direction:column;gap:6px;max-height:320px;overflow-y:auto}.pick-folder-empty{text-align:center;padding:24px 16px;font-size:14px;color:#fff6;margin:0}.pick-folder-btn{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;background:#ffffff0a;border:1px solid rgba(255,255,255,.07);border-radius:14px;cursor:pointer;transition:all .16s ease;text-align:left;font-family:inherit}.pick-folder-btn:hover{background:#7c5cff1f;border-color:#7c5cff52;transform:translate(4px)}.pick-folder-btn__icon{font-size:20px;flex-shrink:0}.pick-folder-btn__name{flex:1;font-size:14px;font-weight:700;color:#fff}.pick-folder-btn__count{font-size:12px;color:#ffffff59;flex-shrink:0}.pick-folder-btn__arrow{font-size:16px;color:#ffffff40;transition:transform .16s ease,color .16s ease}.pick-folder-btn:hover .pick-folder-btn__arrow{transform:translate(4px);color:#7c5cffe6}@media(max-width:768px){.study-header{flex-direction:row;flex-wrap:wrap}.folders-grid{grid-template-columns:1fr 1fr}.folder-detail-header{flex-direction:column;align-items:flex-start}.folder-actions{width:100%}}@media(max-width:480px){.folders-grid{grid-template-columns:1fr}.study-hub{padding:16px 14px 48px}}.progress-view{display:flex;flex-direction:column;gap:28px}.progress-global{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.progress-stat-card{background:linear-gradient(135deg,#7c5cff1a,#5a3ee012);border:1px solid rgba(124,92,255,.22);border-radius:16px;padding:22px 20px;text-align:center}.progress-stat-value{font-size:38px;font-weight:900;background:linear-gradient(135deg,var(--violet-500),#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px;letter-spacing:-.02em;line-height:1}.progress-stat-label{font-size:13px;color:#ffffff73;font-weight:600}.progress-section-title{font-size:17px;font-weight:800;margin:0 0 14px;color:#fff;letter-spacing:-.01em}.progress-folder-list{display:flex;flex-direction:column;gap:8px}.progress-folder-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;background:#ffffff08;border:1px solid rgba(255,255,255,.07);border-radius:14px;cursor:pointer;transition:all .16s ease}.progress-folder-row:hover{background:#7c5cff14;border-color:#7c5cff38}.progress-folder-row--active{background:#7c5cff1a;border-color:#7c5cff59}.progress-folder-row__left{display:flex;align-items:center;gap:12px;min-width:0}.progress-folder-row__icon{font-size:18px;flex-shrink:0}.progress-folder-row__info{display:flex;flex-direction:column;gap:2px;min-width:0}.progress-folder-row__name{font-size:14px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress-folder-row__count{font-size:11px;color:#ffffff61}.progress-folder-row__right{display:flex;align-items:center;gap:10px;flex-shrink:0}.progress-bar-wrap{width:120px;height:6px;background:#ffffff14;border-radius:99px;overflow:hidden;flex-shrink:0}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--violet-500),#a78bfa);border-radius:99px}.progress-folder-row__pct{font-size:13px;font-weight:800;color:var(--violet-500);min-width:38px;text-align:right}.progress-folder-row__arrow{font-size:16px;color:#ffffff59;transition:transform .16s ease}.progress-folder-row--active .progress-folder-row__arrow,.progress-folder-row:hover .progress-folder-row__arrow{color:var(--violet-500)}@media(max-width:560px){.progress-bar-wrap{width:70px}}.progress-folder-detail{background:linear-gradient(180deg,#ffffff0a,#ffffff05);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:24px;animation:fadeIn .22s ease-out}.progress-detail-loading{text-align:center;padding:32px;color:#ffffff73;font-size:14px}.progress-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:640px){.progress-detail-grid{grid-template-columns:1fr}}.progress-detail-card{border-radius:16px;padding:20px;border:1px solid transparent}.progress-detail-card--flash{background:linear-gradient(135deg,#fb923c17,#ef44440d);border-color:#fb923c2e}.progress-detail-card--dev{background:linear-gradient(135deg,#22c55e17,#10b9810d);border-color:#22c55e2e}.progress-detail-card__header{display:flex;align-items:center;gap:8px;margin-bottom:16px}.progress-detail-card__icon{font-size:18px}.progress-detail-card__title{font-size:13px;font-weight:800;color:#fffc;letter-spacing:-.01em}.progress-detail-card__main{display:flex;align-items:baseline;gap:8px;margin-bottom:12px}.progress-detail-card__big{font-size:44px;font-weight:900;line-height:1;letter-spacing:-.03em;color:#fff}.progress-detail-card__label{font-size:13px;color:#ffffff73;line-height:1.3}.progress-detail-card__empty{font-size:13px;color:#ffffff59;margin:0;line-height:1.5}.progress-detail-score{margin-bottom:16px}.progress-detail-score__row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.progress-detail-score__label{font-size:12px;color:#ffffff73;font-weight:600}.progress-detail-score__value{font-size:14px;font-weight:900}.progress-detail-score__bar-bg{height:6px;background:#ffffff14;border-radius:99px;overflow:hidden}.progress-detail-score__bar-fill{height:100%;border-radius:99px}.progress-dev-answers{border-top:1px solid rgba(255,255,255,.07);padding-top:14px}.progress-dev-answers__title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#ffffff59;margin:0 0 10px}.progress-dev-answer-item{padding:10px 12px;background:#ffffff0a;border-radius:10px;margin-bottom:6px}.progress-dev-answer-item:last-child{margin-bottom:0}.progress-dev-answer-item__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.progress-dev-answer-item__score{font-size:13px;font-weight:900}.progress-dev-answer-item__date{font-size:11px;color:#ffffff4d}.progress-dev-answer-item__question{font-size:12px;color:#ffffff80;margin:0;line-height:1.4}.file-upload-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px;animation:pfFadeIn .18s ease}.file-upload-modal{background:#0f0f1a;border:1px solid rgba(255,255,255,.1);border-radius:24px;width:100%;max-width:480px;overflow:hidden;box-shadow:0 40px 100px #000000b3,0 0 0 1px #7c5cff1f;animation:pfSlideUp .24s cubic-bezier(.34,1.56,.64,1)}.file-upload-header{display:flex;align-items:center;justify-content:space-between;padding:22px 22px 18px;border-bottom:1px solid rgba(255,255,255,.07);background:linear-gradient(135deg,#7c5cff1a,#5a3ee00d)}.file-upload-header__left{display:flex;align-items:center;gap:14px}.file-upload-header__icon-wrap{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,#7c5cff38,#5a3ee024);border:1px solid rgba(124,92,255,.3);display:grid;place-items:center;flex-shrink:0}.file-upload-header__icon{font-size:22px;line-height:1}.file-upload-header__title{margin:0;font-size:16px;font-weight:800;color:#fff;letter-spacing:-.01em}.file-upload-header__sub{margin:3px 0 0;font-size:12px;color:#ffffff73}.file-upload-close{background:#ffffff12;border:1px solid rgba(255,255,255,.1);color:#ffffff8c;width:32px;height:32px;border-radius:9px;cursor:pointer;font-size:13px;display:grid;place-items:center;transition:all .14s ease;flex-shrink:0}.file-upload-close:hover{background:#ffffff21;color:#fff}.file-upload-body{padding:20px 24px;max-height:70vh;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.file-upload-section-label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:#ffffff61;display:flex;align-items:center;gap:8px}.file-upload-section-badge{background:#7c5cff33;border:1px solid rgba(124,92,255,.3);color:#a78bfa;font-size:10px;font-weight:800;padding:1px 7px;border-radius:99px}.file-upload-divider{height:1px;background:#ffffff12;margin:4px 0}.file-upload-confirm--inline{width:100%;margin-top:2px}.file-upload-empty-files{font-size:13px;color:#ffffff4d;margin:0;text-align:center;padding:12px 0;font-style:italic}.file-drop-zone{border:2px dashed rgba(124,92,255,.28);border-radius:18px;padding:40px 24px;text-align:center;cursor:pointer;transition:all .22s ease;background:#7c5cff0a;display:flex;flex-direction:column;align-items:center;gap:10px}.file-drop-zone:hover,.file-drop-zone--active{border-color:#7c5cffa6;background:#7c5cff17;transform:scale(1.01)}.file-drop-zone--active{border-style:solid;box-shadow:0 0 0 4px #7c5cff1f}.file-drop-zone__icon{font-size:44px;line-height:1;filter:drop-shadow(0 0 16px rgba(124,92,255,.55));transition:transform .2s ease}.file-drop-zone--active .file-drop-zone__icon,.file-drop-zone:hover .file-drop-zone__icon{transform:translateY(-4px) scale(1.1)}.file-drop-zone__title{font-size:15px;font-weight:800;color:#fff;margin:0;letter-spacing:-.01em}.file-drop-zone__sub{font-size:12px;color:#ffffff61;margin:0}.file-drop-zone__btn{margin-top:8px;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;border:none;border-radius:10px;padding:10px 22px;font-size:13px;font-weight:700;cursor:pointer;transition:all .16s ease;box-shadow:0 4px 14px #7c5cff52}.file-drop-zone__btn:hover{filter:brightness(1.1);box-shadow:0 6px 20px #7c5cff70;transform:translateY(-1px)}.file-preview{display:flex;flex-direction:column;gap:14px}.file-preview__card{display:flex;align-items:center;gap:14px;padding:16px 18px;background:#7c5cff12;border:1px solid rgba(124,92,255,.22);border-radius:14px;animation:cardIn .22s ease-out}.file-preview__icon{font-size:32px;flex-shrink:0;filter:drop-shadow(0 2px 8px rgba(0,0,0,.3))}.file-preview__info{flex:1;min-width:0}.file-preview__name{font-size:14px;font-weight:700;color:#fff;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-preview__size{font-size:12px;color:#ffffff73;margin:0}.file-preview__remove{background:#ffffff12;border:1px solid rgba(255,255,255,.12);color:#ffffff8c;width:28px;height:28px;border-radius:8px;cursor:pointer;font-size:12px;display:grid;place-items:center;transition:all .14s ease;flex-shrink:0}.file-preview__remove:hover{background:#ef444429;border-color:#ef444452;color:#ef4444}.file-upload-progress-bar{height:4px;background:#7c5cff26;border-radius:99px;overflow:hidden}.file-upload-progress-bar__fill{height:100%;width:40%;background:linear-gradient(90deg,var(--violet-500),#a78bfa,var(--violet-500));background-size:200% 100%;border-radius:99px;animation:shimmerSlide 1.2s linear infinite}@keyframes shimmerSlide{0%{transform:translate(-100%)}to{transform:translate(350%)}}.file-upload-success{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#22c55e1a;border:1px solid rgba(34,197,94,.24);border-radius:12px;font-size:14px;font-weight:700;color:#4ade80;animation:cardIn .2s ease-out}.file-upload-success__icon{font-size:18px}.file-upload-error{font-size:13px;color:#f87171;background:#ef44441a;border:1px solid rgba(239,68,68,.22);border-radius:10px;padding:10px 14px;margin:0}.file-upload-footer{display:flex;gap:10px;padding:0 24px 24px}.file-upload-cancel{flex:1;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:#ffffffb3;border-radius:12px;padding:12px 20px;font-size:14px;font-weight:700;cursor:pointer;transition:all .14s ease;font-family:inherit}.file-upload-cancel:hover{background:#ffffff1a;color:#fff}.file-upload-cancel:disabled{opacity:.4;cursor:not-allowed}.file-upload-confirm{flex:2;background:linear-gradient(135deg,var(--violet-500),var(--violet-700));color:#fff;border:none;border-radius:12px;padding:12px 20px;font-size:14px;font-weight:700;cursor:pointer;transition:all .16s ease;box-shadow:0 4px 14px #7c5cff52;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px}.file-upload-confirm:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 6px 20px #7c5cff73;transform:translateY(-1px)}.file-upload-confirm:disabled{opacity:.45;cursor:not-allowed;transform:none}.file-upload-confirm__loading{display:flex;align-items:center;gap:8px}.file-upload-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spinRound .7s linear infinite;flex-shrink:0}@keyframes spinRound{to{transform:rotate(360deg)}}.folder-files-panel{background:linear-gradient(135deg,#7c5cff12,#5a3ee00a);border:1px solid rgba(124,92,255,.18);border-radius:16px;padding:20px;margin-bottom:20px;animation:fadeIn .22s ease-out}.folder-files-panel__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.folder-files-panel__header-left{display:flex;align-items:center;gap:8px}.folder-files-panel__header-icon{font-size:17px}.folder-files-panel__title{font-size:14px;font-weight:800;color:#ffffffd9;letter-spacing:-.01em}.folder-files-panel__badge{background:#7c5cff33;border:1px solid rgba(124,92,255,.32);color:#a78bfa;font-size:11px;font-weight:800;padding:2px 8px;border-radius:99px;min-width:22px;text-align:center}.folder-files-panel__upload-btn{display:flex;align-items:center;gap:5px;background:linear-gradient(135deg,#7c5cff2e,#5a3ee01f);border:1px solid rgba(124,92,255,.32);color:#c4b5fd;border-radius:9px;padding:7px 13px;font-size:12px;font-weight:700;cursor:pointer;transition:all .16s ease;font-family:inherit}.folder-files-panel__upload-btn:hover{background:linear-gradient(135deg,#7c5cff4d,#5a3ee033);border-color:#7c5cff85;color:#ede9fe;transform:translateY(-1px);box-shadow:0 4px 12px #7c5cff33}.folder-files-loading{display:flex;flex-direction:column;gap:8px}.folder-files-skeleton{height:52px;background:linear-gradient(90deg,#ffffff0a 25%,#ffffff14,#ffffff0a 75%);background-size:200% 100%;border-radius:12px;animation:shimmer 1.4s ease-in-out infinite}.folder-files-skeleton--short{width:60%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.folder-files-empty{display:flex;flex-direction:column;align-items:center;gap:6px;padding:28px 16px;border:2px dashed rgba(124,92,255,.2);border-radius:14px;cursor:pointer;transition:all .18s ease}.folder-files-empty:hover{border-color:#7c5cff6b;background:#7c5cff0d}.folder-files-empty__icon{font-size:32px;opacity:.6}.folder-files-empty__text{font-size:13px;color:#fff6;margin:0;font-weight:600}.folder-files-empty__cta{font-size:12px;color:#a78bfa;font-weight:700}.folder-files-list{display:flex;flex-direction:column;gap:8px}.folder-file-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:#ffffff0a;border:1px solid rgba(255,255,255,.07);border-radius:12px;transition:all .16s ease;animation:cardIn .26s ease-out both}.folder-file-item:hover{background:#7c5cff12;border-color:#7c5cff33}.folder-file-item--deleting{opacity:.45;pointer-events:none}.folder-file-item__icon{font-size:24px;flex-shrink:0;filter:drop-shadow(0 1px 4px rgba(0,0,0,.3))}.folder-file-item__info{flex:1;min-width:0}.folder-file-item__name{font-size:13px;font-weight:700;color:#ffffffe6;margin:0 0 3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.folder-file-item__id{font-size:11px;color:#ffffff47;margin:0;font-family:monospace}.folder-file-item__delete{width:28px;height:28px;border-radius:8px;border:1px solid rgba(255,255,255,.1);background:#ffffff0d;color:#ffffff61;font-size:11px;font-weight:700;cursor:pointer;display:grid;place-items:center;flex-shrink:0;transition:all .16s ease;line-height:1}.folder-file-item__delete:hover:not(:disabled){background:#ef444426;border-color:#ef444459;color:#f87171;transform:scale(1.08);box-shadow:0 2px 8px #ef44442e}.folder-file-item__delete:disabled{cursor:not-allowed}.folder-file-delete-spinner{width:12px;height:12px;border:2px solid rgba(255,255,255,.2);border-top-color:#ffffffb3;border-radius:50%;animation:spinRound .7s linear infinite;display:block}.folder-files-show-more{width:100%;margin-top:8px;padding:9px 14px;background:transparent;border:1px dashed rgba(124,92,255,.24);border-radius:10px;color:#a78bfabf;font-size:12px;font-weight:700;cursor:pointer;transition:all .16s ease;font-family:inherit}.folder-files-show-more:hover{background:#7c5cff12;border-color:#7c5cff6b;color:#c4b5fd}.streak-card{display:flex;align-items:center;gap:20px;background:linear-gradient(135deg,#fb923c1a,#ef444412);border:1px solid rgba(251,146,60,.28);border-radius:20px;padding:20px 24px;margin-bottom:20px;position:relative;overflow:hidden;transition:all .22s ease;cursor:default}.streak-card__glow{position:absolute;top:-20px;left:-20px;width:120px;height:120px;background:radial-gradient(circle,rgba(251,146,60,.3),transparent 70%);pointer-events:none;animation:streakGlow 3s ease-in-out infinite}@keyframes streakGlow{0%,to{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.2)}}.streak-card--urgent{background:linear-gradient(135deg,#ef444424,#dc262617);border-color:#ef444473;animation:urgentPulse 2s ease-in-out infinite}@keyframes urgentPulse{0%,to{box-shadow:0 0 #ef444400}50%{box-shadow:0 0 0 6px #ef44441a}}.streak-card--done{background:linear-gradient(135deg,#22c55e1a,#10b98112);border-color:#22c55e4d}.streak-card--done .streak-card__glow{background:radial-gradient(circle,rgba(34,197,94,.25),transparent 70%)}.streak-card--skeleton{background:linear-gradient(90deg,#ffffff0a 25%,#ffffff12,#ffffff0a 75%);background-size:200% 100%;animation:shimmer 1.4s ease-in-out infinite;border-color:#ffffff12;min-height:88px}.streak-skeleton-flame{width:48px;height:48px;border-radius:50%;background:#ffffff14;flex-shrink:0}.streak-skeleton-text{display:flex;flex-direction:column;gap:8px;flex:1}.streak-skeleton-line{height:14px;background:#ffffff14;border-radius:6px}.streak-skeleton-line--lg{width:55%}.streak-skeleton-line--sm{width:35%}.streak-card__left{display:flex;align-items:center;gap:12px;flex-shrink:0}.streak-card__flame{font-size:42px;line-height:1;transition:transform .3s ease;filter:drop-shadow(0 0 10px rgba(251,146,60,.5))}.streak-card__flame--warm{animation:flameBob 2.5s ease-in-out infinite;filter:drop-shadow(0 0 12px rgba(251,146,60,.6))}.streak-card__flame--hot{animation:flameBob 1.8s ease-in-out infinite;filter:drop-shadow(0 0 18px rgba(239,68,68,.7))}.streak-card__flame--inferno{animation:flameBob 1.2s ease-in-out infinite,flameInferno 1.2s ease-in-out infinite;filter:drop-shadow(0 0 24px rgba(239,68,68,.9))}@keyframes flameBob{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-4px) scale(1.08)}}@keyframes flameInferno{0%,to{filter:drop-shadow(0 0 24px rgba(239,68,68,.9))}50%{filter:drop-shadow(0 0 32px rgba(251,146,60,1))}}.streak-card__days-wrap{display:flex;flex-direction:column;align-items:flex-start}.streak-card__days{font-size:36px;font-weight:900;line-height:1;letter-spacing:-.03em;background:linear-gradient(135deg,#fb923c,#ef4444);-webkit-background-clip:text;background-clip:text;color:transparent}.streak-card--done .streak-card__days{background:linear-gradient(135deg,#22c55e,#16a34a);-webkit-background-clip:text;background-clip:text;color:transparent}.streak-card__days-label{font-size:11px;font-weight:700;color:#ffffff73;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.streak-card__center{flex:1;display:flex;flex-direction:column;gap:4px;min-width:0}.streak-card__status{font-size:14px;font-weight:800;color:#fff;letter-spacing:-.01em}.streak-card__status--done{color:#4ade80}.streak-card__sub{font-size:12px;color:#ffffff80;line-height:1.4}.streak-card__right{flex-shrink:0}.streak-card__btn{display:flex;align-items:center;gap:6px;background:linear-gradient(135deg,#f97316,#ef4444);color:#fff;border:none;border-radius:12px;padding:12px 20px;font-size:13px;font-weight:800;cursor:pointer;white-space:nowrap;transition:all .18s ease;box-shadow:0 4px 16px #ef444459;font-family:inherit;letter-spacing:-.01em}.streak-card__btn:hover{filter:brightness(1.1);box-shadow:0 6px 22px #ef444480;transform:translateY(-2px)}.streak-card__btn--urgent{animation:urgentBtnPulse 1.5s ease-in-out infinite}@keyframes urgentBtnPulse{0%,to{box-shadow:0 4px 16px #ef444459}50%{box-shadow:0 4px 28px #ef4444a6}}.streak-card__btn-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spinRound .7s linear infinite;flex-shrink:0}.streak-card__completed-badge{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 16px;background:#22c55e24;border:1px solid rgba(34,197,94,.3);border-radius:12px;font-size:20px;color:#4ade80;font-weight:800}.streak-card__completed-badge span:last-child{font-size:11px;letter-spacing:.04em;text-transform:uppercase}@media(max-width:640px){.streak-card{flex-wrap:wrap;gap:14px;padding:16px 18px}.streak-card__left{gap:10px}.streak-card__flame{font-size:34px}.streak-card__days{font-size:28px}.streak-card__center{min-width:100%;order:3}.streak-card__right{margin-left:auto}}.daily-exam-overlay{position:fixed;inset:0;background:#000000bf;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:300;padding:20px;animation:pfFadeIn .2s ease}.daily-exam-modal{background:#0d0d1c;border:1px solid rgba(255,255,255,.1);border-radius:24px;width:100%;max-width:520px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 40px 100px #000000bf,0 0 0 1px #fb923c24;animation:pfSlideUp .25s cubic-bezier(.34,1.56,.64,1)}.daily-exam-header{display:flex;align-items:center;justify-content:space-between;padding:22px 24px 18px;border-bottom:1px solid rgba(255,255,255,.07);background:linear-gradient(135deg,#fb923c1a,#ef44440f);flex-shrink:0}.daily-exam-header__left{display:flex;align-items:center;gap:14px}.daily-exam-flame-icon{font-size:30px;filter:drop-shadow(0 0 14px rgba(251,146,60,.7));animation:flameBob 2s ease-in-out infinite}.daily-exam-header__title{margin:0;font-size:17px;font-weight:900;color:#fff;letter-spacing:-.02em}.daily-exam-header__sub{margin:3px 0 0;font-size:12px;color:#ffffff73}.daily-exam-close{background:#ffffff12;border:1px solid rgba(255,255,255,.1);color:#ffffff8c;width:32px;height:32px;border-radius:9px;cursor:pointer;font-size:13px;display:grid;place-items:center;transition:all .14s ease;flex-shrink:0}.daily-exam-close:hover{background:#ffffff21;color:#fff}.daily-exam-steps{display:flex;align-items:center;justify-content:center;gap:0;padding:16px 24px;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0}.daily-exam-step{display:flex;flex-direction:column;align-items:center;gap:5px}.daily-exam-step__dot{width:32px;height:32px;border-radius:50%;background:#ffffff12;border:2px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#ffffff59;transition:all .3s ease}.daily-exam-step.active .daily-exam-step__dot{background:linear-gradient(135deg,#f97316,#ef4444);border-color:transparent;color:#fff;box-shadow:0 0 16px #ef444480}.daily-exam-step.done .daily-exam-step__dot{background:#22c55e33;border-color:#22c55e66;color:#4ade80}.daily-exam-step__label{font-size:11px;font-weight:700;color:#ffffff59;letter-spacing:.03em;transition:color .3s ease}.daily-exam-step.active .daily-exam-step__label{color:#fb923c}.daily-exam-step.done .daily-exam-step__label{color:#4ade80}.daily-exam-step__line{width:48px;height:2px;background:#ffffff14;border-radius:2px;flex-shrink:0;margin:0 4px 18px}.daily-exam-body{padding:24px;overflow-y:auto;flex:1}.daily-exam-pick__title{font-size:15px;font-weight:700;color:#fffc;margin:0 0 14px}.daily-exam-empty{font-size:14px;color:#ffffff61;text-align:center;padding:24px 0;margin:0}.daily-exam-folder-list{display:flex;flex-direction:column;gap:8px}.daily-exam-folder-btn{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;background:#ffffff0a;border:1px solid rgba(255,255,255,.07);border-radius:14px;cursor:pointer;text-align:left;font-family:inherit;transition:all .16s ease}.daily-exam-folder-btn:hover{background:#fb923c1a;border-color:#fb923c4d;transform:translate(4px)}.daily-exam-folder-btn__icon{font-size:20px;flex-shrink:0}.daily-exam-folder-btn__name{flex:1;font-size:14px;font-weight:700;color:#fff}.daily-exam-folder-btn__count{font-size:12px;color:#ffffff52;flex-shrink:0}.daily-exam-folder-btn__arrow{font-size:15px;color:#ffffff38;transition:transform .16s ease}.daily-exam-folder-btn:hover .daily-exam-folder-btn__arrow{transform:translate(4px);color:#fb923c}.daily-exam-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;gap:16px}.daily-exam-spinner{width:36px;height:36px;border:3px solid rgba(251,146,60,.2);border-top-color:#f97316;border-radius:50%;animation:spinRound .8s linear infinite}.daily-exam-spinner--sm{width:16px;height:16px;border-width:2px;border-color:#ffffff40;border-top-color:#fff}.daily-exam-loading__text{font-size:15px;font-weight:700;color:#ffffffbf;margin:0}.daily-exam-section-label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#ffffff59;margin-bottom:12px}.daily-exam-question{font-size:16px;font-weight:700;color:#fff;line-height:1.5;margin:0 0 18px;letter-spacing:-.01em}.daily-exam-options{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.daily-exam-option{display:flex;align-items:center;gap:12px;padding:13px 16px;background:#ffffff0a;border:1px solid rgba(255,255,255,.09);border-radius:12px;cursor:pointer;text-align:left;font-family:inherit;transition:all .16s ease;width:100%}.daily-exam-option:hover:not(:disabled){background:#7c5cff1a;border-color:#7c5cff47}.daily-exam-option--correct{background:#22c55e1f;border-color:#22c55e61}.daily-exam-option--wrong{background:#ef44441a;border-color:#ef44444d}.daily-exam-option--dim{opacity:.45}.daily-exam-option__letter{width:26px;height:26px;border-radius:7px;background:#ffffff14;border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;font-size:12px;font-weight:800;color:#fff9;flex-shrink:0}.daily-exam-option__text{flex:1;font-size:14px;color:#ffffffd9;font-weight:500}.daily-exam-option__check{color:#4ade80;font-size:15px;font-weight:900}.daily-exam-option__cross{color:#f87171;font-size:15px;font-weight:900}.daily-exam-feedback{border-radius:12px;padding:14px 16px;margin-bottom:16px;display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:700}.daily-exam-feedback--correct{background:#22c55e1a;border:1px solid rgba(34,197,94,.24);color:#4ade80}.daily-exam-feedback--wrong{background:#ef444417;border:1px solid rgba(239,68,68,.22);color:#f87171}.daily-exam-feedback__exp{font-size:13px;font-weight:500;color:#ffffffa6;margin:0;line-height:1.5}.daily-exam-answer-wrap{display:flex;flex-direction:column;gap:12px}.daily-exam-textarea{width:100%;padding:14px 16px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:14px;color:#fff;font-size:14px;font-family:inherit;resize:vertical;line-height:1.6;transition:border-color .16s ease;box-sizing:border-box}.daily-exam-textarea:focus{outline:none;border-color:#fb923c73;background:#ffffff12}.daily-exam-textarea::placeholder{color:#ffffff47}.daily-exam-error{font-size:13px;color:#f87171;background:#ef444417;border:1px solid rgba(239,68,68,.2);border-radius:10px;padding:10px 14px;margin:0}.daily-exam-correction{display:flex;flex-direction:column;gap:14px}.daily-exam-score-row{display:flex;align-items:center;gap:14px}.daily-exam-score{font-size:38px;font-weight:900;letter-spacing:-.03em;line-height:1}.daily-exam-verdict{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:99px;font-size:13px;font-weight:800}.daily-exam-verdict--great{background:#22c55e24;border:1px solid rgba(34,197,94,.28);color:#4ade80}.daily-exam-verdict--ok{background:#f9731624;border:1px solid rgba(249,115,22,.28);color:#fb923c}.daily-exam-verdict--bad{background:#ef44441f;border:1px solid rgba(239,68,68,.26);color:#f87171}.daily-exam-correction-section{background:#ffffff08;border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:14px 16px}.daily-exam-correction-label{display:block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:#ffffff59;margin-bottom:8px}.daily-exam-correction-text{font-size:13px;color:#ffffffbf;line-height:1.6;margin:0}.daily-exam-no-question{text-align:center;padding:24px 0;color:#ffffff73;font-size:14px}.daily-exam-next-btn{width:100%;background:linear-gradient(135deg,#7c5cff33,#5a3ee024);border:1px solid rgba(124,92,255,.35);color:#c4b5fd;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:700;cursor:pointer;transition:all .16s ease;font-family:inherit}.daily-exam-next-btn:hover{background:linear-gradient(135deg,#7c5cff52,#5a3ee038);border-color:#7c5cff8c;color:#ede9fe;transform:translateY(-1px)}.daily-exam-submit-btn{width:100%;background:linear-gradient(135deg,#f97316,#ef4444);color:#fff;border:none;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:700;cursor:pointer;transition:all .16s ease;box-shadow:0 4px 16px #ef44444d;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px}.daily-exam-submit-btn:hover:not(:disabled){filter:brightness(1.08);box-shadow:0 6px 22px #ef444470;transform:translateY(-1px)}.daily-exam-submit-btn:disabled{opacity:.45;cursor:not-allowed}.daily-exam-btn-loading{display:flex;align-items:center;gap:8px}.daily-exam-finish-btn{width:100%;background:linear-gradient(135deg,#f97316,#ef4444);color:#fff;border:none;border-radius:14px;padding:15px 24px;font-size:15px;font-weight:800;cursor:pointer;transition:all .18s ease;font-family:inherit;letter-spacing:-.01em;box-shadow:0 6px 20px #ef444461;animation:finishGlow 2s ease-in-out infinite}@keyframes finishGlow{0%,to{box-shadow:0 6px 20px #ef444461}50%{box-shadow:0 8px 28px #fb923c8c}}.daily-exam-finish-btn:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 10px 32px #ef444480}.daily-exam-fc-progress{display:flex;gap:6px;margin-bottom:14px}.daily-exam-fc-pip{flex:1;height:4px;border-radius:99px;background:#ffffff1a;transition:all .3s ease}.daily-exam-fc-pip--active{background:#fb923c8c;box-shadow:0 0 8px #fb923c66}.daily-exam-fc-pip--correct{background:#22c55e;box-shadow:0 0 6px #22c55e66}.daily-exam-fc-pip--wrong{background:#ef4444;box-shadow:0 0 6px #ef444459}.daily-exam-step__sublabel{font-size:10px;font-weight:700;color:#fb923c;margin-left:2px}.daily-exam-progress-delta{background:linear-gradient(135deg,#7c5cff14,#5a3ee00d);border:1px solid rgba(124,92,255,.2);border-radius:14px;padding:16px}.daily-exam-progress-delta__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.daily-exam-progress-delta__label{font-size:13px;font-weight:700;color:#ffffffbf}.daily-exam-progress-delta__badge{background:linear-gradient(135deg,#22c55e33,#10b98124);border:1px solid rgba(34,197,94,.35);color:#4ade80;font-size:12px;font-weight:900;padding:3px 10px;border-radius:99px;letter-spacing:.02em}.daily-exam-progress-delta__badge--neutral{background:#ffffff0f;border-color:#ffffff1f;color:#ffffff73}.daily-exam-progress-delta__loading{font-size:11px;color:#ffffff4d;font-style:italic}.daily-exam-progress-delta__bars{display:flex;flex-direction:column;gap:8px}.daily-exam-progress-delta__bar-row{display:flex;align-items:center;gap:10px}.daily-exam-progress-delta__bar-label{font-size:11px;color:#ffffff61;font-weight:700;width:36px;flex-shrink:0}.daily-exam-progress-delta__bar-bg{flex:1;height:8px;background:#ffffff12;border-radius:99px;overflow:hidden}.daily-exam-progress-delta__bar-fill{height:100%;border-radius:99px}.daily-exam-progress-delta__bar-fill--before{background:#7c5cff73}.daily-exam-progress-delta__bar-fill--after{background:linear-gradient(90deg,var(--violet-500),#4ade80)}.daily-exam-progress-delta__pct{font-size:12px;font-weight:800;color:#fff9;width:32px;text-align:right;flex-shrink:0}.file-usage-bar-wrap{background:#ffffff08;border:1px solid rgba(255,255,255,.07);border-radius:14px;padding:12px 16px;display:flex;flex-direction:column;gap:8px}.file-usage-bar-skeleton{height:36px;background:linear-gradient(90deg,#ffffff0a 25%,#ffffff14,#ffffff0a 75%);background-size:200% 100%;border-radius:10px;animation:shimmer 1.4s ease-in-out infinite}.file-usage-bar-header{display:flex;align-items:center;justify-content:space-between}.file-usage-bar-label{font-size:11px;font-weight:700;color:#fff6;text-transform:uppercase;letter-spacing:.05em}.file-usage-bar-count{font-size:12px;font-weight:800;color:#ffffff8c;letter-spacing:-.01em}.file-usage-bar-bg{height:4px;background:#ffffff14;border-radius:99px;overflow:hidden}.file-usage-bar-fill{height:100%;border-radius:99px;transition:width .6s cubic-bezier(.22,1,.36,1)}.file-usage-limit-warning{font-size:12px;color:#f87171;font-weight:600;margin:0;line-height:1.4}.file-upload-section-badge--hint{font-size:10px;font-weight:700;color:#ffffff40;letter-spacing:.04em;text-transform:uppercase}.file-drop-zone--disabled{border-color:#ffffff14;background:#ffffff05;cursor:default;opacity:.55}.file-drop-zone--disabled:hover{transform:none;border-color:#ffffff14;background:#ffffff05}.folder-color-picker{display:flex;gap:5px;flex-wrap:wrap;padding:6px 4px 2px;justify-content:center}.folder-color-dot{width:16px;height:16px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,border-color .15s ease;padding:0}.folder-color-dot:hover{transform:scale(1.3)}.folder-color-dot.active{border-color:#fff;transform:scale(1.2)}.folder-tool-btn--delete{color:#ef4444b3}.folder-tool-btn--delete:hover{color:#ef4444;background:#ef444426}@media(max-width:640px){.folder-create-row{flex-direction:column;align-items:stretch}.folder-create-btn{width:100%;justify-content:center}.unorganized-nudge{width:100%;flex-wrap:wrap;gap:8px}.unorganized-nudge__text{flex:1 1 100%}.unorganized-nudge__btn{width:100%;text-align:center;padding:10px 12px}}.folder-nudge{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border-radius:16px;border:1px solid rgba(124,92,255,.28);background:linear-gradient(135deg,#7c5cff1a,#12121eeb);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 4px 24px #7c5cff26,0 1px #ffffff0d inset;animation:nudgeIn .4s cubic-bezier(.34,1.3,.64,1);align-self:flex-start;max-width:480px;margin-top:4px}@keyframes nudgeIn{0%{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.folder-nudge__icon{font-size:22px;flex-shrink:0;margin-top:2px;filter:drop-shadow(0 0 8px rgba(124,92,255,.6))}.folder-nudge__body{display:flex;flex-direction:column;gap:8px;flex:1;min-width:0}.folder-nudge__text{margin:0;font-size:14px;font-weight:700;color:#ffffffeb;line-height:1.4}.folder-nudge__sub{margin:0;font-size:12.5px;color:#ffffff8c;line-height:1.4}.folder-nudge__sub strong{color:#b4a0ffe6}.folder-nudge__actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.folder-nudge__btn{border:none;border-radius:8px;padding:7px 14px;font-size:12.5px;font-weight:700;cursor:pointer;transition:all .16s ease}.folder-nudge__btn--primary{background:linear-gradient(135deg,#7c5cff,#5a3ee0);color:#fff;box-shadow:0 3px 10px #7c5cff59}.folder-nudge__btn--primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px 16px #7c5cff7a;filter:brightness(1.08)}.folder-nudge__btn--primary:disabled{opacity:.6;cursor:not-allowed}.folder-nudge__btn--ghost{background:#ffffff0f;color:#ffffff80;border:1px solid rgba(255,255,255,.1)}.folder-nudge__btn--ghost:hover{background:#ffffff1a;color:#ffffffb3}.folder-create-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px}.folder-create-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;background:linear-gradient(135deg,#7c5cff2e,#5a3ee01f);border:1px solid rgba(124,92,255,.35);color:#c8b9fff2;font-size:14px;font-weight:700;cursor:pointer;transition:all .18s ease;white-space:nowrap;flex-shrink:0}.folder-create-btn:hover{background:linear-gradient(135deg,#7c5cff47,#5a3ee033);border-color:#7c5cff99;color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px #7c5cff40}.folder-create-btn__icon{font-size:18px;font-weight:400;line-height:1}.folders-empty-cta{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:32px 20px;border-radius:16px;border:2px dashed rgba(124,92,255,.25);cursor:pointer;transition:all .2s ease;background:#7c5cff0a;grid-column:1 / -1}.folders-empty-cta:hover{border-color:#7c5cff80;background:#7c5cff17;transform:translateY(-2px)}.folders-empty-cta__icon{font-size:32px}.folders-empty-cta__text{font-size:14px;font-weight:700;color:#c8b9ffcc}.create-folder-overlay{position:fixed;inset:0;background:#000000a6;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:300;animation:fadeIn .18s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.create-folder-modal{background:linear-gradient(180deg,#161624fc,#0e0e18fc);border:1px solid rgba(124,92,255,.35);border-radius:20px;padding:0;min-width:340px;max-width:420px;width:90%;box-shadow:0 24px 64px #000000b3,0 0 0 1px #7c5cff1f;animation:modalIn .25s cubic-bezier(.34,1.2,.64,1);overflow:hidden}@keyframes modalIn{0%{opacity:0;transform:scale(.93) translateY(16px)}to{opacity:1;transform:scale(1) translateY(0)}}.create-folder-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 16px;border-bottom:1px solid rgba(124,92,255,.12);background:linear-gradient(135deg,#7c5cff1a,#5a3ee00d)}.create-folder-title{font-size:16px;font-weight:800;color:#fff;margin:0}.create-folder-close{width:28px;height:28px;border-radius:50%;background:#ffffff12;border:1px solid rgba(255,255,255,.12);color:#ffffff80;cursor:pointer;display:grid;place-items:center;font-size:13px;transition:all .14s ease}.create-folder-close:hover{background:#ff46462e;border-color:#ff464666;color:#fff}.create-folder-body{padding:20px;display:flex;flex-direction:column;gap:16px}.create-folder-input{width:100%;background:#ffffff0d;color:#fff;border:2px solid rgba(124,92,255,.25);border-radius:12px;padding:12px 16px;font-family:inherit;font-size:15px;outline:none;transition:all .2s ease;box-sizing:border-box}.create-folder-input:focus{border-color:#7c5cffb3;background:#ffffff12;box-shadow:0 0 0 4px #7c5cff1f}.create-folder-input::placeholder{color:#ffffff59}.create-folder-suggestions{display:flex;flex-direction:column;gap:10px}.create-folder-suggestions__label{font-size:11px;font-weight:700;color:#7c5cffcc;text-transform:uppercase;letter-spacing:.08em;margin:0}.create-folder-suggestions__chips{display:flex;flex-wrap:wrap;gap:6px}.folder-suggestion-chip{border:1px solid rgba(124,92,255,.3);background:#7c5cff1a;color:#c8b9ffe0;border-radius:999px;padding:5px 13px;font-size:12px;font-weight:600;cursor:pointer;transition:all .14s ease}.folder-suggestion-chip:hover:not(:disabled){background:#7c5cff40;border-color:#7c5cff8c;color:#fff;transform:translateY(-1px)}.folder-suggestion-chip:disabled{opacity:.5;cursor:not-allowed}.create-folder-footer{display:flex;gap:10px;padding:16px 20px;border-top:1px solid rgba(124,92,255,.1);background:#00000026}.create-folder-cancel{flex:1;padding:10px;border-radius:10px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:#ffffff8c;font-size:14px;font-weight:600;cursor:pointer;transition:all .14s ease}.create-folder-cancel:hover{background:#ffffff1a;color:#ffffffbf}.create-folder-confirm{flex:2;padding:10px;border-radius:10px;background:linear-gradient(135deg,#7c5cff,#5a3ee0);border:none;color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:all .16s ease;box-shadow:0 3px 12px #7c5cff59}.create-folder-confirm:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px 18px #7c5cff7a;filter:brightness(1.08)}.create-folder-confirm:disabled{opacity:.45;cursor:not-allowed}.quick-assign-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s ease}.quick-assign-modal{background:linear-gradient(180deg,#161624fc,#0e0e18fc);border:1px solid rgba(124,92,255,.35);border-radius:20px;padding:28px;min-width:320px;max-width:400px;width:90%;box-shadow:0 24px 64px #000000b3;animation:modalIn .25s cubic-bezier(.34,1.2,.64,1);position:relative}.quick-assign-header{margin-bottom:20px}.quick-assign-title{font-size:16px;font-weight:800;color:#fff;margin:0 0 4px}.quick-assign-sub{font-size:12.5px;color:#ffffff73;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.quick-assign-close{position:absolute;top:18px;right:18px;background:#ffffff12;border:1px solid rgba(255,255,255,.12);color:#ffffff80;width:28px;height:28px;border-radius:50%;cursor:pointer;display:grid;place-items:center;font-size:13px;transition:all .14s ease}.quick-assign-close:hover{background:#ff46462e;border-color:#ff464666;color:#fff}.quick-assign-folders{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.quick-assign-folder-btn{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;border:1px solid rgba(124,92,255,.2);background:#7c5cff14;cursor:pointer;transition:all .15s ease;text-align:left;width:100%}.quick-assign-folder-btn:hover{background:#7c5cff2e;border-color:#7c5cff73;transform:translate(4px);box-shadow:0 4px 14px #7c5cff33}.quick-assign-folder-icon{font-size:18px;flex-shrink:0}.quick-assign-folder-name{flex:1;font-size:14px;font-weight:700;color:#ffffffe6}.quick-assign-folder-count{font-size:12px;color:#fff6;background:#ffffff0f;padding:2px 8px;border-radius:999px}.quick-assign-skip{width:100%;background:none;border:none;color:#ffffff59;font-size:13px;cursor:pointer;padding:6px;transition:color .14s ease}.quick-assign-skip:hover{color:#fff9}.unorganized-nudge{display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:10px;background:#7c5cff14;border:1px solid rgba(124,92,255,.2);flex:1;min-width:0}.unorganized-nudge__icon{font-size:15px;flex-shrink:0}.unorganized-nudge__text{font-size:13px;color:#ffffffa6;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unorganized-nudge__text strong{color:#c8b9ffe6}.unorganized-nudge__btn{background:none;border:1px solid rgba(124,92,255,.4);color:#b4a0ffe6;border-radius:8px;padding:4px 12px;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap;transition:all .14s ease;flex-shrink:0}.unorganized-nudge__btn:hover{background:#7c5cff2e;border-color:#7c5cff99;color:#fff}.folders-onboarding{text-align:center;padding:40px 20px 24px;animation:fadeIn .5s ease}.folders-onboarding__icon{font-size:48px;margin-bottom:12px}.folders-onboarding__title{font-size:20px;font-weight:800;color:#fff;margin:0 0 8px}.folders-onboarding__desc{font-size:14px;color:#ffffff80;max-width:340px;margin:0 auto;line-height:1.6}.model-selector{position:relative}.model-selector__trigger{display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:10px;border:1px solid rgba(124,92,255,.3);background:#7c5cff1a;color:#c8b9ffe6;font-size:12.5px;font-weight:700;cursor:pointer;transition:all .16s ease;white-space:nowrap}.model-selector__trigger:hover{background:#7c5cff33;border-color:#7c5cff8c;color:#fff}.model-selector__cost{font-size:11px;background:#7c5cff4d;border-radius:999px;padding:1px 6px;color:#c8b9ffe6}.model-selector__chevron{font-size:9px;opacity:.6}.model-selector__dropdown{position:absolute;bottom:calc(100% + 8px);left:0;min-width:220px;background:linear-gradient(180deg,#161624fc,#0e0e18fc);border:1px solid rgba(124,92,255,.3);border-radius:14px;overflow:hidden;box-shadow:0 12px 40px #0009,0 0 0 1px #7c5cff1a;animation:dropIn .18s ease-out;z-index:100}.model-selector__option{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;width:100%;text-align:left;background:none;border:none;border-bottom:1px solid rgba(124,92,255,.08);cursor:pointer;transition:background .14s ease}.model-selector__option:last-child{border-bottom:none}.model-selector__option:hover{background:#7c5cff1f}.model-selector__option.active{background:#7c5cff2e}.model-selector__option-left{display:flex;flex-direction:column;gap:2px}.model-selector__option-name{font-size:13px;font-weight:700;color:#ffffffeb}.model-selector__option-desc{font-size:11.5px;color:#ffffff73}.model-selector__option-cost{font-size:11px;font-weight:700;color:#b4a0ffcc;background:#7c5cff33;border-radius:999px;padding:2px 8px;white-space:nowrap;flex-shrink:0}.input-image-preview{position:relative;display:inline-flex;align-items:flex-start;margin:0 0 10px 4px;animation:nudgeIn .2s ease}.input-image-preview img{width:100px;height:100px;object-fit:cover;border-radius:10px;border:2px solid rgba(124,92,255,.45);box-shadow:0 4px 16px #0006}.input-image-preview__remove{position:absolute;top:-7px;right:-7px;width:22px;height:22px;border-radius:50%;background:#1e1432f2;border:1.5px solid rgba(124,92,255,.5);color:#fffc;font-size:11px;cursor:pointer;display:grid;place-items:center;transition:all .14s ease}.input-image-preview__remove:hover{background:#dc3232d9;border-color:#ff505099;color:#fff}.message-image-preview{margin-bottom:6px;display:flex;justify-content:flex-end}.message-image-preview img{width:120px;height:90px;object-fit:cover;border-radius:10px;border:1.5px solid rgba(124,92,255,.3);box-shadow:0 3px 12px #00000059;display:block}.folder-practice-btns{display:flex;flex-direction:column;gap:6px;padding:0 12px;margin-bottom:4px}.folder-dev-btn{background:linear-gradient(135deg,#22c55e29,#10b9811a);border:1px solid rgba(34,197,94,.28);color:#fff;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:700;cursor:pointer;transition:all .16s ease;text-align:left;font-family:inherit}.folder-dev-btn:hover{background:linear-gradient(135deg,#22c55e42,#10b9812e);border-color:#22c55e80;transform:translate(2px)}.model-selector__option.locked{cursor:not-allowed;background:#ffffff05}.model-selector__upgrade-badge{font-size:.65rem;color:#f59e0b;font-weight:600}.plan-limit-overlay{position:fixed;inset:0;background:#000000b8;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:999999;animation:plFadeIn .2s ease}@keyframes plFadeIn{0%{opacity:0}to{opacity:1}}.plan-limit-modal{background:linear-gradient(180deg,#161624fc,#0e0e18fc);border:1px solid rgba(124,92,255,.35);border-radius:22px;padding:32px 28px 28px;width:90%;max-width:420px;position:relative;box-shadow:0 24px 64px #000000b3,0 0 0 1px #7c5cff1f;animation:plSlideIn .28s cubic-bezier(.34,1.2,.64,1);text-align:center}@keyframes plSlideIn{0%{opacity:0;transform:scale(.92) translateY(16px)}to{opacity:1;transform:scale(1) translateY(0)}}.plan-limit-close{position:absolute;top:14px;right:14px;width:28px;height:28px;border-radius:50%;background:#ffffff12;border:1px solid rgba(255,255,255,.12);color:#ffffff80;cursor:pointer;display:grid;place-items:center;font-size:13px;transition:all .14s ease}.plan-limit-close:hover{background:#ff464633;border-color:#ff464666;color:#fff}.plan-limit-icon{font-size:44px;margin-bottom:14px;filter:drop-shadow(0 0 16px rgba(124,92,255,.5))}.plan-limit-title{font-size:18px;font-weight:800;color:#fff;margin:0 0 10px}.plan-limit-desc{font-size:14px;color:#fff9;line-height:1.6;margin:0 0 20px}.plan-limit-upgrade-box{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;background:linear-gradient(135deg,#7c5cff2e,#5a3ee01a);border:1px solid rgba(124,92,255,.4);border-radius:14px;padding:14px 16px;margin-bottom:20px;overflow:hidden}.plan-limit-upgrade-box__glow{position:absolute;top:-20px;right:-20px;width:80px;height:80px;background:radial-gradient(circle,rgba(124,92,255,.4),transparent 70%);pointer-events:none}.plan-limit-upgrade-box__left{display:flex;align-items:center;gap:10px}.plan-limit-upgrade-box__icon{font-size:22px;filter:drop-shadow(0 0 6px rgba(124,92,255,.7))}.plan-limit-upgrade-box__title{display:block;font-size:14px;font-weight:800;color:#fff}.plan-limit-upgrade-box__price{display:block;font-size:12px;color:#b4a0ffcc;margin-top:1px}.plan-limit-upgrade-box__arrow{font-size:18px;color:#7c5cffe6}.plan-limit-actions{display:flex;flex-direction:column;gap:8px}.plan-limit-btn{width:100%;padding:11px;border-radius:12px;font-size:14px;font-weight:700;cursor:pointer;transition:all .16s ease;border:none}.plan-limit-btn--primary{background:linear-gradient(135deg,#7c5cff,#5a3ee0);color:#fff;box-shadow:0 4px 14px #7c5cff59}.plan-limit-btn--primary:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 6px 18px #7c5cff73}.plan-limit-btn--ghost{background:#ffffff0f;color:#ffffff80;border:1px solid rgba(255,255,255,.1)!important}.plan-limit-btn--ghost:hover{background:#ffffff1a;color:#ffffffbf}.folder-card--locked{position:relative;min-height:200px}.folder-card__blur-content{filter:blur(2.5px) grayscale(.45);opacity:.55;pointer-events:none;position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px;border-radius:inherit}.folder-lock-badge{position:absolute;top:10px;right:10px;display:flex;align-items:center;gap:5px;background:#000000bf;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;color:#ffffffd9;z-index:3;pointer-events:auto}.folder-lock-badge__icon{font-size:13px}.folder-locked-actions{position:absolute;bottom:10px;left:10px;right:10px;display:flex;gap:6px;z-index:3;pointer-events:auto}.folder-locked-btn{flex:1;padding:7px 10px;border-radius:9px;font-size:12px;font-weight:700;cursor:pointer;transition:all .15s ease;border:none;display:flex;align-items:center;justify-content:center;gap:5px}.folder-locked-btn--upgrade{background:linear-gradient(135deg,#7c5cff,#5a3ee0);color:#fff;box-shadow:0 3px 10px #7c5cff4d}.folder-locked-btn--upgrade:hover{filter:brightness(1.1);transform:translateY(-1px)}.folder-locked-btn--delete{background:#ef44442e;color:#ff7878e6;border:1px solid rgba(239,68,68,.3)!important}.folder-locked-btn--delete:hover{background:#ef444452;color:#fff}.chat-item-meta{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-top:3px}.chat-item-folder{font-size:11px;font-weight:600;color:#ffffff59;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px;flex-shrink:1}.chat-item-meta .chat-item-date{flex-shrink:0;font-size:11px}.folder-popup-item--saved{opacity:.75;cursor:default;background:#22c55e14;border-color:#22c55e40!important}.folder-popup-item--saved:hover{transform:none;background:#22c55e14}.folder-popup-saved{font-size:11px;font-weight:700;color:#22c55e;white-space:nowrap;animation:savedPop .3s cubic-bezier(.34,1.4,.64,1)}@keyframes savedPop{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}