:root{color-scheme:light;--bg:#f4f6f2;--surface:#fff;--soft:#f0f4ef;--ink:#20382e;--muted:#6c7b72;--border:#e2e9df;--accent:#245c49;--accent-ink:#fff;--gold:#e9bb5a;--gold-soft:#faf2dd;--gold-ink:#775522;--danger:#a13d37;--danger-soft:#fff0ee;--shadow:0 8px 40px #20382e08;--hero:#e9f0e5;--focus:#528169;--sidebar:#fff;--radius:20px}
[data-theme=dark]{color-scheme:dark;--bg:#0f1c18;--surface:#172922;--soft:#1d3229;--ink:#e7eee5;--muted:#a0b2a5;--border:#2a4134;--accent:#a3d4a9;--accent-ink:#10241a;--gold:#e9bb5a;--gold-soft:#3b3320;--gold-ink:#f4d798;--danger:#ffa59a;--danger-soft:#402722;--shadow:0 8px 40px #00000012;--hero:#213b2b;--focus:#aed6ab;--sidebar:#14251e}
*{box-sizing:border-box}body{margin:0;font:15px/1.6 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.58;cursor:wait}a{color:var(--accent)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:clamp(28px,3vw,42px);line-height:1.14;font-weight:650;letter-spacing:-1.5px}h2{font-size:20px;letter-spacing:-.5px;line-height:1.3}h3{font-size:16px;line-height:1.4}small,.small{font-size:12px}.muted{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:2.2px;font-size:10px;font-weight:750;color:var(--muted)}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.stack{display:grid;gap:16px}.gap8{gap:8px}.mt{margin-top:22px}.mb{margin-bottom:20px}.hidden{display:none!important}.icon{width:20px;height:20px;flex-shrink:0;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.skip{position:fixed;top:-70px;left:15px;z-index:100;background:var(--surface);padding:12px}.skip:focus{top:10px}.brand{display:flex;align-items:center;gap:10px;font-size:27px;font-weight:750;letter-spacing:-1.7px;color:var(--ink);text-decoration:none}.brand-mark{width:39px;height:39px;border-radius:12px;background:#173e35;color:#f3d38b;display:inline-grid;place-items:center;font-size:29px;font-weight:650;font-family:Georgia,serif;line-height:1}.boot{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);border:1px solid transparent;color:var(--accent-ink);border-radius:11px;font-weight:650;font-size:13px;padding:11px 16px;text-decoration:none;line-height:1.4;transition:transform .15s,filter .15s;min-height:42px}.btn:hover:not(:disabled){filter:brightness(1.07);transform:translateY(-1px)}.btn.secondary{background:var(--surface);border-color:var(--border);color:var(--ink)}.btn.ghost{background:transparent;color:var(--muted);border-color:transparent}.btn.gold{background:var(--gold);color:#332b1c}.btn.danger{color:var(--danger);background:var(--danger-soft)}.btn.small{padding:7px 11px;font-size:12px;min-height:34px}.icon-btn{width:38px;height:38px;padding:8px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--muted);display:inline-grid;place-items:center}.icon-btn:hover{background:var(--soft);color:var(--ink)}.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;background:var(--soft);color:var(--accent);border:1px solid var(--border);border-radius:6px;font-size:10px;font-weight:700;letter-spacing:.4px;white-space:nowrap}.badge.gold{background:var(--gold-soft);color:var(--gold-ink);border:0}.badge.warn{background:var(--danger-soft);color:var(--danger)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;min-width:0}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.page-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.page-head p{margin-top:8px;color:var(--muted)}.pill-icon{display:inline-grid;place-items:center;width:44px;height:44px;background:var(--soft);border-radius:12px;color:var(--accent)}.pill-icon.gold{background:var(--gold-soft);color:var(--gold-ink)}.notice{padding:13px 15px;border:1px solid var(--border);border-radius:12px;font-size:12px;background:var(--soft);color:var(--muted)}.notice.warn{background:var(--gold-soft);color:var(--gold-ink)}.notice.error{background:var(--danger-soft);color:var(--danger);border-color:transparent}.form-error:empty{display:none}.form-error{color:var(--danger);background:var(--danger-soft);padding:12px;border-radius:10px;font-size:13px}.field{width:100%;border:1px solid var(--border);border-radius:11px;padding:12px 13px;background:var(--surface);color:var(--ink);outline-offset:2px;min-width:0}textarea.field{resize:vertical;min-height:120px}label.label{display:grid;gap:7px;font-size:12px;font-weight:650}label.label span.note{font-weight:400;color:var(--muted);font-size:11px}.form{display:grid;gap:17px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.check-label{display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-size:12px}.check-label input{margin-top:4px;accent-color:var(--accent)}
/* Sign-in */
.auth-layout{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.auth-story{padding:55px clamp(30px,5vw,95px);background:var(--hero);display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.auth-copy{max-width:510px;margin:70px 0}.auth-copy h1{font-size:clamp(42px,5vw,76px);line-height:1.03;letter-spacing:-3px;margin:18px 0 24px}.auth-copy h1 em{font-family:Georgia,serif;font-weight:400;color:var(--accent)}.auth-copy>p{max-width:360px;font-size:15px;color:var(--muted)}.auth-facts{display:flex;gap:9px;flex-wrap:wrap;margin-top:34px}.auth-facts span{padding:8px 13px;border:1px solid var(--border);border-radius:9px;font-size:12px;background:var(--surface)}.auth-panel{display:flex;align-items:center;justify-content:center;padding:35px}.auth-panel-inner{width:100%;max-width:390px}.auth-panel h2{font-size:29px;margin-bottom:8px}.auth-tabs{display:flex;gap:4px;background:var(--soft);padding:4px;border-radius:10px;margin:28px 0}.auth-tab{flex:1;border:0;padding:9px;background:transparent;color:var(--muted);border-radius:8px;font-size:12px;font-weight:650}.auth-tab.active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}.auth-foot{margin-top:24px;font-size:11px;color:var(--muted);line-height:1.6}.auth-top{margin-bottom:26px;display:flex;justify-content:flex-end}
/* Shell */
.shell{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:31px 21px 20px;z-index:30}.sidebar .brand{padding-left:9px}.nav-label{margin:44px 12px 12px}.nav{display:grid;gap:5px}.nav button{display:flex;align-items:center;gap:12px;padding:12px 14px;border:0;border-radius:10px;color:var(--muted);background:transparent;text-align:left;font-size:13px;font-weight:550}.nav button:hover{background:var(--soft);color:var(--ink)}.nav button.active{background:var(--hero);color:var(--accent);font-weight:700}.sidebar-bottom{margin-top:auto;padding-top:26px}.usage-card{padding:17px;background:var(--soft);border-radius:14px;font-size:12px;margin-bottom:18px}.usage-bar{height:5px;background:var(--border);border-radius:8px;overflow:hidden;margin:13px 0 9px}.usage-bar>span{display:block;height:100%;background:var(--accent);width:0}.sidebar-bottom .nav button{font-size:12px}.sidebar-note{font-size:10px;color:var(--muted);padding:15px 12px 0}.workspace{min-width:0}.topbar{height:82px;padding:0 clamp(22px,3.8vw,58px);display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border)}.breadcrumb{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:11px}.profile{display:flex;align-items:center;gap:10px;font-size:12px}.avatar{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:var(--gold-soft);color:var(--gold-ink);font-weight:700;font-size:12px}.main{max-width:1580px;margin:auto;padding:36px clamp(22px,3.8vw,58px) 70px}.menu-open{display:none}.page{animation:arrive .2s ease-out}@keyframes arrive{from{opacity:.3;transform:translateY(5px)}to{opacity:1;transform:none}}.mobile-scrim{display:none}
/* Dashboard */
.hero{background:var(--hero);border-radius:22px;position:relative;padding:33px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;overflow:hidden;border:1px solid var(--border)}.hero h2{font-size:32px;max-width:420px;font-weight:600;letter-spacing:-1.2px}.hero p{font-size:13px;max-width:390px;color:var(--muted);margin:12px 0 22px}.hero-art{width:230px;min-width:180px;position:relative;display:grid;place-items:center;padding:20px}.study-sheet{transform:rotate(-9deg);background:var(--surface);border:1px solid var(--border);width:155px;min-height:160px;padding:20px;border-radius:12px;box-shadow:8px 12px 0 #245c490a}.sheet-line{height:5px;background:var(--border);border-radius:3px;margin:13px 0}.sheet-line.short{width:70%}.sheet-check{position:absolute;right:9px;bottom:14px;width:58px;height:58px;display:grid;place-items:center;background:var(--gold);color:#3c3521;border-radius:17px;transform:rotate(9deg);box-shadow:0 3px 16px #0000000a}.sheet-check .icon{width:30px;height:30px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 29px}.stat{padding:19px 21px;display:flex;align-items:center;gap:15px}.stat strong{display:block;font-size:27px;font-weight:650;letter-spacing:-1px;line-height:1.2}.stat p{color:var(--muted);font-size:11px;margin-top:5px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:18px}.book-tile{display:flex;flex-direction:column;gap:16px;min-height:215px;transition:transform .15s}.book-tile:hover{transform:translateY(-2px)}.book-tile h2{font-size:19px;overflow-wrap:anywhere}.book-tile p{color:var(--muted);font-size:12px}.book-tile .tile-bottom{margin-top:auto;border-top:1px solid var(--border);padding-top:16px;display:flex;justify-content:space-between;align-items:center}.text-button{border:0;background:transparent;color:var(--accent);font-size:12px;font-weight:650;padding:0;display:inline-flex;gap:6px;align-items:center;text-decoration:none}.text-button.danger{color:var(--danger)}.empty{text-align:center;padding:32px 18px}.empty .pill-icon{width:50px;height:50px;margin-bottom:14px}.empty h3{margin-bottom:7px}.empty p{font-size:12px;color:var(--muted);max-width:340px;margin:0 auto 18px}.list-row{display:flex;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--border)}.list-row:last-child{border-bottom:0;padding-bottom:0}.list-row:first-child{padding-top:0}.list-title{font-size:13px;font-weight:650;overflow-wrap:anywhere}.list-sub{font-size:11px;color:var(--muted);margin-top:3px}.check-button{width:22px;height:22px;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:transparent;flex-shrink:0;display:grid;place-items:center}.check-button.done{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.check-button .icon{width:15px;height:15px}.done-text{text-decoration:line-through;color:var(--muted)}.time-chip{padding:6px 9px;background:var(--soft);color:var(--accent);border-radius:8px;font-size:10px;font-weight:650;min-width:49px;text-align:center}
/* Notebook and chat */
.notebook-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(310px,.85fr);gap:22px;align-items:start}.source-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.source-action{border:1px dashed var(--border);border-radius:12px;padding:17px 6px;background:var(--soft);color:var(--muted);font-size:11px;display:flex;flex-direction:column;align-items:center;gap:9px}.source-action:hover{border-color:var(--accent);color:var(--accent)}.source-item{display:flex;gap:12px;padding:15px 0;border-bottom:1px solid var(--border);align-items:center}.source-item:last-child{border:0}.source-item .pill-icon{width:36px;height:40px;border-radius:9px}.source-item input{accent-color:var(--accent)}.source-name{background:none;border:0;color:var(--ink);padding:0;font-size:12px;font-weight:650;text-align:left;overflow-wrap:anywhere}.source-meta{font-size:10px;color:var(--muted);margin-top:4px}.study-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:19px}.study-tool{background:var(--surface);border:1px solid var(--border);color:var(--ink);border-radius:11px;padding:15px 8px;text-align:center;font-size:11px;font-weight:650}.study-tool .icon{display:block;margin:0 auto 8px;color:var(--accent)}.study-tool:hover{background:var(--soft)}.chat-card{padding:0;overflow:hidden;position:sticky;top:20px;display:flex;flex-direction:column}.chat-header{padding:20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.chat-header h2{font-size:16px}.chat-header p{font-size:10px;color:var(--muted);margin-top:3px}.chat-feed{min-height:280px;max-height:500px;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.chat-feed.large{height:53vh;max-height:none}.chat-start{margin:auto;text-align:center;padding:28px 8px}.chat-start .pill-icon{margin-bottom:15px}.chat-start h3{font-size:16px;margin-bottom:8px}.chat-start p{font-size:12px;max-width:245px;color:var(--muted)}.bubble{font-size:12px;line-height:1.8;padding:13px 15px;background:var(--soft);border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%}.bubble.user{background:var(--hero);color:var(--ink);margin-left:30px;align-self:flex-end;white-space:pre-wrap}.bubble.assistant{margin-right:9px}.bubble.error{color:var(--danger);background:var(--danger-soft)}.bubble-label{display:block;font-size:9px;font-weight:800;letter-spacing:1.1px;margin-bottom:6px;color:var(--muted)}.chat-compose{border-top:1px solid var(--border);padding:14px}.chat-compose form{display:flex;align-items:flex-end;gap:8px}.chat-compose textarea{min-height:43px;max-height:140px;resize:vertical;font-size:12px;padding:10px 12px;line-height:1.7}.chat-compose .btn{height:43px;width:43px;min-width:43px;padding:0}.chat-disclaimer{font-size:9px;text-align:center;color:var(--muted);padding-top:9px}.suggestion{display:block;width:100%;padding:9px;margin-top:8px;border:1px solid var(--border);background:var(--surface);border-radius:9px;color:var(--muted);font-size:11px}.history-item{display:flex;align-items:center;gap:11px;border-top:1px solid var(--border);padding:15px 0}.history-item:first-child{border:0}.history-item button{margin-left:auto}.text-content{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.9}.source-editor{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;min-height:300px!important}.source-link{font-size:12px;overflow-wrap:anywhere}.upload-label{border:2px dashed var(--border);padding:35px 15px;text-align:center;border-radius:15px;display:block;cursor:pointer}.upload-label strong{display:block;margin:10px 0 5px}.upload-label input{max-width:100%;margin-top:15px;font-size:12px}.source-privacy{font-size:11px;color:var(--muted);line-height:1.7}
/* Calendar */
.calendar-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:22px;align-items:start}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}.day-label{text-align:center;font-size:10px;color:var(--muted);padding:12px 0}.day{min-height:83px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--ink);padding:9px;text-align:left;display:flex;flex-direction:column;gap:4px;overflow:hidden}.day:hover{background:var(--soft)}.day.today{border-color:var(--accent)}.day.selected{background:var(--hero)}.day-number{font-size:12px}.day-event{display:block;background:var(--soft);padding:2px 4px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;font-size:8px;color:var(--accent)}.day-count{font-size:9px;color:var(--muted)}
/* Quizzes */
.quiz-container{max-width:790px;margin:0 auto}.quiz-progress{display:flex;gap:5px;margin:23px 0}.quiz-progress span{height:5px;border-radius:9px;background:var(--border);flex:1}.quiz-progress span.filled{background:var(--accent)}.quiz-question{font-size:23px;line-height:1.5;font-weight:600;letter-spacing:-.5px;margin:17px 0 25px}.answer-option{display:flex;align-items:center;gap:14px;padding:17px;border:1px solid var(--border);border-radius:12px;background:var(--surface);width:100%;color:var(--ink);text-align:left;margin-bottom:11px;font-size:13px}.answer-option .letter{width:30px;height:30px;border:1px solid var(--border);border-radius:8px;display:grid;place-items:center;flex-shrink:0;font-size:11px;color:var(--muted)}.answer-option.selected{border-color:var(--accent);background:var(--hero)}.answer-option.selected .letter{background:var(--accent);color:var(--accent-ink);border-color:transparent}.answer-option.correct{background:var(--hero);border-color:var(--accent)}.answer-option.incorrect{background:var(--danger-soft);border-color:var(--danger)}.quiz-nav{display:flex;justify-content:space-between;align-items:center;margin-top:24px}.result-score{font-size:64px;font-weight:650;letter-spacing:-3px;line-height:1.2}.review-item{padding:24px 0;border-top:1px solid var(--border)}.review-item h3{margin:8px 0 14px}.evidence{border-left:3px solid var(--gold);background:var(--gold-soft);color:var(--gold-ink);padding:12px 14px;border-radius:0 8px 8px 0;margin-top:12px;font-size:12px;white-space:pre-wrap}.review-answer{font-size:12px;padding:4px 0}.flashcard{min-height:265px;background:var(--hero);border:1px solid var(--border);border-radius:17px;padding:30px;display:flex;flex-direction:column;justify-content:center;text-align:center;gap:18px;color:var(--ink);width:100%}.flashcard strong{font-size:22px;font-weight:550;line-height:1.6}.flashcard span{font-size:10px;color:var(--muted)}
/* Settings, dialogs */
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.setting-row{padding:14px 0;border-bottom:1px solid var(--border);font-size:12px;display:flex;align-items:start;justify-content:space-between;gap:20px}.setting-row:last-child{border:0}.setting-row span:first-child{color:var(--muted)}.setting-row strong{font-weight:600;text-align:right;overflow-wrap:anywhere}.leader-row{display:flex;align-items:center;gap:18px;padding:19px;border-top:1px solid var(--border)}.leader-row.self{background:var(--soft);border-radius:11px}.rank{font-size:12px;width:22px;color:var(--muted);font-weight:650}.leader-xp{font-weight:650;color:var(--accent);font-size:13px}.key-code{width:100%;font-family:ui-monospace,monospace;padding:12px;border-radius:10px;background:var(--soft);overflow-wrap:anywhere;font-size:13px;border:1px solid var(--border)}dialog{border:1px solid var(--border);background:var(--surface);color:var(--ink);border-radius:22px;padding:0;width:min(580px,calc(100vw - 32px));max-height:90vh;box-shadow:0 40px 100px #0003}dialog.wide{width:min(850px,calc(100vw - 32px))}dialog::backdrop{background:#10251f80;backdrop-filter:blur(4px)}.dialog-head{padding:23px 25px 19px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:15px;position:sticky;top:0;background:var(--surface);z-index:1}.dialog-head h2{font-size:19px}.dialog-body{padding:25px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.loading{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:12px;padding:30px}.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;display:inline-block;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#toasts{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);display:grid;gap:8px;z-index:100;width:max-content;max-width:calc(100vw - 30px);pointer-events:none}.toast{background:var(--ink);color:var(--surface);border-radius:12px;box-shadow:0 8px 30px #0002;padding:13px 19px;font-size:12px;max-width:560px}.toast.error{background:var(--danger);color:var(--bg)}.loading-line{font-size:12px;display:flex;align-items:center;gap:8px;color:var(--muted)}.footer-note{text-align:center;color:var(--muted);font-size:10px;margin-top:30px}
@media(min-width:1450px){.notebook-layout{grid-template-columns:minmax(0,1.4fr) minmax(330px,1fr)}}
@media(max-width:1100px){.shell{grid-template-columns:205px minmax(0,1fr)}.sidebar{padding-left:14px;padding-right:14px}.main{padding-left:25px;padding-right:25px}.notebook-layout,.calendar-layout{grid-template-columns:1fr}.chat-card{position:static}.chat-feed{max-height:400px}.hero-art{min-width:150px;width:170px}.hero{padding:28px}.hero h2{font-size:28px}.dashboard-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}}
@media(max-width:760px){.shell{display:block}.sidebar{position:fixed;left:0;width:245px;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.mobile-scrim.show{display:block;position:fixed;inset:0;z-index:25;background:#0b201a77;border:0;width:100%;height:100%}.menu-open{display:inline-grid}.topbar{height:68px;padding:0 18px}.topbar-date{display:none}.main{padding:26px 18px 50px}.page-head{align-items:start;gap:14px;flex-wrap:wrap}.page-head h1{font-size:30px}.page-head p{font-size:12px}.hero{padding:25px}.hero h2{font-size:27px}.hero-art{display:none}.stats-grid{gap:8px}.stat{padding:14px 10px;display:block}.stat .pill-icon{width:32px;height:32px;margin-bottom:11px}.stat strong{font-size:24px}.stat p{font-size:9px}.card{padding:20px}.auth-layout{display:block}.auth-story{padding:23px 25px;background:var(--hero)}.auth-copy{margin:28px 0 14px}.auth-copy h1{font-size:42px;letter-spacing:-1.8px;margin:10px 0}.auth-copy>p,.auth-facts,.auth-story .auth-byline{display:none}.auth-panel{padding:30px 25px}.auth-top{margin-bottom:12px}.chat-card{padding:0}.source-actions{grid-template-columns:repeat(4,1fr)}.calendar-grid{gap:2px}.day{min-height:62px;padding:6px 4px}.day-event{font-size:7px}.card-head h2{font-size:17px}.dialog-body{padding:20px}.dialog-head{padding:18px 20px}.form-grid{grid-template-columns:1fr}.quiz-question{font-size:20px}.answer-option{padding:14px}.profile-name{max-width:95px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-feed.large{height:48vh}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Kuezy OTP, delightful login, and expandable chat (reduced-motion aware). */
.chat-header .chat-head-actions{display:flex;align-items:center;gap:5px}
.chat-card.chat-expanded{position:fixed!important;inset:clamp(8px,2.5vw,25px);z-index:90;width:auto;height:auto;max-height:none;box-shadow:0 32px 130px #071c16a8;border:1px solid var(--border);border-radius:23px;display:flex;flex-direction:column;overflow:hidden;background:var(--surface)}
.chat-card.chat-expanded .chat-feed{flex:1;min-height:0;max-height:none;height:auto;overflow-y:auto;padding:clamp(15px,3vw,36px)}
.chat-card.chat-expanded .chat-header{flex-shrink:0;padding:20px clamp(16px,2.5vw,32px)}
.chat-card.chat-expanded .chat-compose{flex-shrink:0;background:var(--surface);padding:15px clamp(16px,2.5vw,32px)}
.chat-card.chat-expanded .chat-compose form{max-width:1100px;margin:auto}
.chat-card.chat-expanded .bubble{font-size:clamp(13px,1.15vw,16px);line-height:1.8;max-width:min(90%,1024px)}
.chat-card.chat-expanded .bubble.assistant{margin-right:auto}
.chat-card.chat-expanded .chat-feed.large{height:auto;max-height:none}
body:has(.chat-card.chat-expanded){overflow:hidden}
.otp-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:12px}
.otp-meta-label{font-size:10px;letter-spacing:2px;font-weight:800;color:var(--muted)}
.otp-clock{background:var(--hero);border:1px solid var(--border);padding:7px 12px;border-radius:10px;font-variant-numeric:tabular-nums;font-weight:750;color:var(--accent)}
.otp-clock.expired{background:var(--danger-soft);color:var(--danger)}
.otp-input{font-size:24px!important;letter-spacing:.43em!important;text-align:center;font-variant-numeric:tabular-nums;font-weight:700;padding:15px 13px!important}
.auth-back,.auth-text-link{border:0;background:none;color:var(--accent);text-decoration:underline;text-underline-offset:4px;font:inherit;cursor:pointer;font-size:12px;padding:8px 0}
.auth-back{text-decoration:none;display:inline-block;margin:22px 0 12px;font-weight:650}
.auth-text-link{width:100%;margin-top:9px;text-align:center}
.auth-text-link:disabled{color:var(--muted);cursor:default;text-decoration:none}
.auth-layout-motion .auth-panel-inner{animation:kuezy-auth-in .58s cubic-bezier(.2,.8,.2,1) both}
.auth-layout-motion .auth-copy{animation:kuezy-auth-in .75s cubic-bezier(.2,.8,.2,1) both .08s}
.auth-story::after{content:"";position:absolute;inset:auto -150px -250px auto;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,var(--accent) 0%,transparent 72%);opacity:.10;pointer-events:none;animation:kuezy-soft-glow 7s ease-in-out infinite alternate}
@keyframes kuezy-auth-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes kuezy-soft-glow{from{transform:scale(.8) translate(0,0)}to{transform:scale(1.1) translate(-22px,-20px)}}
.auth-welcome{position:fixed;inset:0;z-index:200;background:color-mix(in srgb,var(--bg),transparent 4%);display:grid;place-items:center;animation:kuezy-welcome-in .27s ease-out both}
.auth-welcome-inner{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;color:var(--ink);animation:kuezy-auth-in .5s ease-out both}
.auth-welcome-inner strong{font-size:clamp(24px,4vw,38px);letter-spacing:-1px}
.auth-welcome-inner span{font-size:13px;color:var(--muted)}
.auth-welcome-mark{height:78px;width:78px;border-radius:27px;display:grid;place-items:center;background:var(--hero);border:1px solid var(--accent);box-shadow:0 0 0 14px color-mix(in srgb,var(--accent),transparent 90%)}
.auth-welcome-mark .icon{height:38px;width:38px;color:var(--accent)}
@keyframes kuezy-welcome-in{from{opacity:0}to{opacity:1}}
@media(max-width:760px){.chat-card.chat-expanded{inset:4px;border-radius:15px}.chat-card.chat-expanded .chat-feed{padding:15px}.chat-card.chat-expanded .chat-compose{padding:10px 12px}.auth-story::after{display:none}}
@media(prefers-reduced-motion:reduce){.auth-layout-motion .auth-panel-inner,.auth-layout-motion .auth-copy,.auth-story::after,.auth-welcome,.auth-welcome-inner{animation:none!important;transition:none!important}}