:root{--ink:#232129;--muted:#75717d;--cream:#fbfaf6;--paper:#fff;--purple:#7657d8;--purple-dark:#5b3fc3;--lav:#eee9ff;--mint:#dff5e9;--peach:#ffead9;--line:#e8e5df;--shadow:0 18px 55px rgba(54,44,79,.11);--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Noto Sans JP","Yu Gothic UI",sans-serif;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button,a{transition:.2s ease}button{cursor:pointer}a{color:inherit;text-decoration:none}.hidden{display:none!important}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.5px}.brand-mark{display:grid;place-items:center;width:31px;height:31px;border-radius:10px;background:var(--ink);color:white;font-family:Georgia,serif;font-size:19px}.site-header{position:absolute;z-index:5;top:0;left:0;right:0;height:80px;display:flex;align-items:center;justify-content:space-between;max-width:1240px;padding:0 28px;margin:auto}.site-header nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}.btn{border:1px solid transparent;border-radius:12px;padding:11px 18px;background:white;color:var(--ink);font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:9px}.btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(39,32,60,.1)}.btn.primary{background:var(--purple);color:#fff}.btn.primary:hover{background:var(--purple-dark)}.btn.ghost{border-color:var(--line);background:rgba(255,255,255,.55)}.btn.large{padding:16px 24px;border-radius:15px}.btn.small{padding:8px 12px;border-radius:10px;font-size:13px}.btn.full{width:100%;margin-top:8px}.hero{min-height:760px;padding:150px max(7vw,32px) 90px;display:flex;align-items:center;gap:7vw;overflow:hidden;background:radial-gradient(circle at 13% 50%,#f2eeff 0,transparent 30%),linear-gradient(135deg,#fbfaf6,#f8f7f1)}.hero-copy{width:49%;max-width:640px}.eyebrow{display:block;font-size:11px;font-weight:800;letter-spacing:2.1px;color:var(--purple);margin-bottom:18px}.hero h1{font-size:clamp(48px,6vw,78px);line-height:1.09;letter-spacing:-4px;margin:0 0 28px}.hero h1 em{font-family:Georgia,"Yu Mincho",serif;font-weight:500;color:var(--purple)}.hero-copy>p{font-size:17px;line-height:1.9;color:#66616c;max-width:590px}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:36px}.text-link,.text-button{color:var(--purple);font-weight:700;border:0;background:none}.trust-row{display:flex;gap:18px;margin-top:25px;color:#77727d;font-size:12px}.hero-visual{position:relative;width:48%;max-width:650px}.orb{position:absolute;border-radius:50%;filter:blur(1px)}.orb.mint{background:var(--mint);width:330px;height:330px;right:-90px;top:-90px}.orb.purple{background:#dcd3ff;width:230px;height:230px;left:-80px;bottom:-60px}.mock-window{position:relative;background:white;border:1px solid rgba(30,26,40,.08);border-radius:18px;box-shadow:0 30px 90px rgba(69,51,113,.2);overflow:hidden;transform:rotate(1deg)}.mock-top{height:54px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 18px;gap:7px}.mock-top i{width:9px;height:9px;background:#ddd;border-radius:50%}.mock-top b{font-size:12px;margin-left:15px}.mock-body{height:370px;display:grid;grid-template-columns:38% 1fr}.mock-body aside{background:#faf9f6;padding:25px;border-right:1px solid var(--line)}.mock-body small{color:#999}.source-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px;margin-top:12px;display:flex;gap:8px;align-items:center;font-size:10px}.source-card span{font-size:8px;background:var(--lav);padding:4px}.mock-body section{padding:55px 25px 20px;display:flex;flex-direction:column}.answer{background:var(--lav);padding:18px;border-radius:14px;display:flex;gap:10px;flex-wrap:wrap}.answer p{font-size:12px;line-height:1.7;margin:0;flex:1}.spark{color:var(--purple)}.citations{width:100%;display:flex;gap:4px}.citations b{background:#fff;color:var(--purple);font-size:9px;border-radius:4px;padding:3px 6px}.prompt{margin-top:auto;border:1px solid var(--line);padding:13px;border-radius:12px;color:#aaa;font-size:11px}.prompt button{float:right;border:0;border-radius:6px;background:var(--purple);color:white}.logo-strip{height:95px;display:flex;align-items:center;justify-content:center;gap:24px;border-block:1px solid var(--line);font-size:15px}.logo-strip span{color:#999}.logo-strip i{color:#ccc}.section{max-width:1200px;margin:auto;padding:115px 28px}.section-head{text-align:center;max-width:680px;margin:0 auto 55px}.section-head h2,.final-cta h2{font-family:Georgia,"Yu Mincho",serif;font-size:43px;letter-spacing:-1.5px;margin:0 0 18px}.section-head p{color:var(--muted);line-height:1.8}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature{background:#fff;border:1px solid var(--line);padding:30px;border-radius:var(--radius);min-height:220px;overflow:hidden}.feature h3{font-size:18px;margin:18px 0 10px}.feature p{color:var(--muted);font-size:14px;line-height:1.7}.feature-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#f2f0ec;color:var(--purple);font-weight:800}.large-feature{grid-column:span 2;grid-row:span 2}.lavender{background:var(--lav)}.mint-card{background:var(--mint)}.peach{background:var(--peach)}.mini-chat{background:white;border-radius:15px;padding:17px;margin-top:28px;box-shadow:0 12px 35px rgba(80,60,120,.12);font-size:12px}.mini-chat div{text-align:right;background:#f3f2ee;padding:9px;border-radius:9px;margin-left:25%}.mini-chat p{color:var(--ink);margin:12px 0 0}.mini-chat sup{background:var(--lav);color:var(--purple);padding:2px 5px;border-radius:4px}.wide{grid-column:span 2;display:flex;gap:28px;align-items:center}.wide>div{flex:1}.tool-pills{display:flex;flex-wrap:wrap;gap:8px}.tool-pills span{background:var(--cream);border:1px solid var(--line);border-radius:20px;padding:7px 11px;font-size:11px}.workflow{background:var(--ink);color:white;padding:105px max(7vw,28px)}.workflow .section-head{margin-bottom:55px}.workflow .section-head .eyebrow{color:#bba9ff}.steps{display:grid;grid-template-columns:repeat(3,1fr);max-width:1100px;margin:auto}.steps article{padding:5px 45px;border-left:1px solid #494650}.steps article:first-child{border:0}.steps b{font-size:12px;color:#a78ff5}.steps h3{font-size:25px;margin:18px 0}.steps p{color:#bdb9c4;line-height:1.8;font-size:14px}.pricing{max-width:1100px}.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:center}.plans article{position:relative;background:white;border:1px solid var(--line);border-radius:22px;padding:32px}.plans article.popular{border:2px solid var(--purple);box-shadow:var(--shadow);padding-block:42px}.popular-label{position:absolute;top:0;right:25px;background:var(--purple);color:white;padding:6px 12px;border-radius:0 0 9px 9px;font-size:10px;font-weight:800}.plans h3{margin:0 0 18px}.price{font-size:38px;font-weight:800}.price small{font-size:13px;color:var(--muted)}.plans article>p{font-size:13px;color:var(--muted)}.plans ul{list-style:none;padding:15px 0;margin:0;min-height:125px}.plans li{padding:8px 0;font-size:14px}.plans li:before{content:"✓";color:var(--purple);margin-right:10px}.plan-btn{width:100%;border-color:var(--line)}.plans .primary{width:100%}.pricing-note{text-align:center;color:var(--muted);font-size:12px;margin-top:25px}.final-cta{margin:20px 28px 70px;border-radius:32px;text-align:center;padding:90px 20px;background:linear-gradient(140deg,var(--lav),var(--mint))}.final-cta h2{font-size:49px;margin-bottom:34px}footer{max-width:1200px;margin:auto;padding:45px 28px;display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}footer .brand{color:var(--ink)}footer>div{text-align:right}footer>div a{margin-left:18px}footer small{grid-column:span 2}
/* App */
.app-page{background:#f5f4f0;overflow:hidden}.test-banner{height:28px;background:#fff0bf;text-align:center;font-size:11px;font-weight:700;line-height:28px;color:#775c00}.app-shell{height:100vh}.test-banner:not(.hidden)+.toast-region+.auth-view,.test-banner:not(.hidden)+.toast-region+.auth-view+.app-shell{height:calc(100vh - 28px)}.app-header{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 18px;gap:24px}.app-header>.brand{width:245px}.app-title{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.app-title input{border:0;background:transparent;font-weight:700;max-width:330px;width:100%;outline:none;text-overflow:ellipsis}.app-title span{font-size:10px;color:#999}.header-actions{display:flex;align-items:center;gap:9px;position:relative}.usage-pill{display:flex;gap:7px;border:1px solid var(--line);background:#faf9f6;padding:7px 10px;border-radius:10px;font-size:10px}.usage-pill span{color:var(--purple);font-weight:800}.avatar{width:34px;height:34px;border:0;border-radius:50%;background:var(--mint);color:#28734b;font-weight:800}.popover{position:absolute;z-index:20;right:0;top:44px;width:220px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:14px}.popover strong,.popover small{display:block;padding:3px 6px;overflow:hidden;text-overflow:ellipsis}.popover small{color:var(--muted);margin-bottom:8px}.popover button{display:block;width:100%;text-align:left;background:none;border:0;padding:9px 6px;border-radius:7px}.popover button:hover{background:#f5f3ee}.workspace{height:calc(100vh - 64px);display:grid;grid-template-columns:244px minmax(220px,285px) minmax(360px,1fr) minmax(260px,330px)}.notebooks-panel,.sources-panel,.chat-panel,.studio-panel{min-width:0;border-right:1px solid var(--line);background:#fff}.notebooks-panel{background:#f4f2ed;display:flex;flex-direction:column;padding:18px 12px}.panel-heading,.pane-head{display:flex;align-items:center;justify-content:space-between}.panel-heading{padding:3px 8px 15px}.panel-heading small,.pane-head span{font-size:10px;color:var(--muted)}.panel-heading h2,.pane-head h2{font-size:16px;margin:3px 0}.icon-btn{border:0;background:transparent;width:34px;height:34px;border-radius:10px}.icon-btn:hover{background:#eeece7}.icon-btn.dark{background:var(--ink);color:white}.notebook-search,.search-input{display:flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 9px}.notebook-search input,.search-input input{width:100%;border:0;background:transparent;outline:0;padding:9px 3px;font-size:12px}.notebook-list{overflow:auto;margin-top:12px}.notebook-item{width:100%;display:flex;gap:10px;text-align:left;border:0;background:transparent;border-radius:11px;padding:11px 9px;margin-bottom:3px}.notebook-item:hover,.notebook-item.active{background:#fff;box-shadow:0 2px 8px rgba(40,35,50,.05)}.notebook-item .note-icon{width:29px;height:29px;flex:0 0 auto;border-radius:8px;background:var(--lav);display:grid;place-items:center;color:var(--purple)}.notebook-item strong,.notebook-item small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notebook-item strong{font-size:12px}.notebook-item small{font-size:9px;color:var(--muted);margin-top:4px}.aside-bottom{margin-top:auto;display:flex;flex-direction:column}.aside-bottom button{border:0;background:none;text-align:left;padding:8px;font-size:11px;color:var(--muted)}.pane{display:flex;flex-direction:column}.pane-head{height:65px;padding:0 16px;border-bottom:1px solid var(--line)}.source-tools{display:flex;align-items:center;gap:6px;padding:12px}.source-tools .search-input{flex:1;background:#faf9f6}.small-text{font-size:10px;padding:4px}.sources-list{overflow:auto;padding:0 12px 15px}.source-item{display:flex;align-items:flex-start;gap:9px;padding:11px 6px;border-bottom:1px solid #f0eee9}.source-item input{margin-top:6px;accent-color:var(--purple)}.source-type{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--lav);color:var(--purple);font-size:9px;font-weight:800;flex:0 0 auto}.source-meta{min-width:0;flex:1}.source-meta strong,.source-meta small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.source-meta strong{font-size:11px}.source-meta small{font-size:9px;color:var(--muted);margin-top:4px}.source-delete{opacity:0;border:0;background:none;color:#aaa}.source-item:hover .source-delete{opacity:1}.chat-panel{position:relative;background:#fcfbf8}.chat-welcome{margin:auto;text-align:center;max-width:520px;padding:35px}.ai-glyph{margin:0 auto 22px;width:47px;height:47px;border-radius:15px;display:grid;place-items:center;background:var(--lav);color:var(--purple);font-size:21px}.chat-welcome h1{font-family:Georgia,"Yu Mincho",serif;font-size:29px;line-height:1.45;margin:0}.chat-welcome>p{color:var(--muted);font-size:12px}.suggestions{display:grid;grid-template-columns:1fr;gap:7px;margin-top:24px}.suggestions button{border:1px solid var(--line);background:#fff;border-radius:11px;padding:11px;color:#55515a;font-size:11px}.suggestions button:hover{border-color:#cfc4ef;background:var(--lav)}.messages{overflow:auto;padding:30px max(25px,8%);padding-bottom:170px}.message{margin:0 auto 25px;max-width:750px;display:flex;gap:11px}.message.user{justify-content:flex-end}.message.user .message-body{background:var(--purple);color:#fff;border-radius:15px 15px 4px 15px;padding:12px 16px;max-width:80%}.assistant-avatar{width:28px;height:28px;border-radius:9px;background:var(--lav);color:var(--purple);display:grid;place-items:center;flex:0 0 auto}.message.assistant .message-body{line-height:1.75;font-size:13px;white-space:pre-wrap}.citations-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.citation-btn{border:1px solid #ddd7f3;background:var(--lav);color:#6047b2;border-radius:7px;padding:5px 8px;font-size:9px}.typing{display:flex;gap:5px;padding:10px}.typing i{width:6px;height:6px;background:#aaa;border-radius:50%;animation:pulse 1s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes pulse{50%{opacity:.25;transform:translateY(-3px)}}.composer-wrap{position:absolute;bottom:0;left:0;right:0;padding:12px max(18px,7%) 17px;background:linear-gradient(transparent,#fcfbf8 20%)}.selected-source-bar{font-size:9px;color:var(--muted);padding:7px 12px;background:#f0eee9;border-radius:8px 8px 0 0;width:max-content}.composer{display:flex;align-items:flex-end;background:white;border:1px solid #dcd8d1;border-radius:15px;padding:8px;box-shadow:0 8px 28px rgba(55,47,70,.08)}.composer:focus-within{border-color:#aa9ae0;box-shadow:0 8px 28px rgba(100,76,180,.12)}.composer textarea{resize:none;max-height:140px;flex:1;border:0;outline:0;padding:8px;font-size:13px}.composer button{width:35px;height:35px;border:0;border-radius:10px;background:var(--purple);color:#fff;font-size:17px}.composer-wrap>small{display:block;text-align:center;color:#aaa;font-size:8px;margin-top:6px}.studio-panel{border:0}.studio-panel .pane-head{padding:0 18px}.studio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;padding:12px;overflow:auto;max-height:48%}.studio-tool{border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 8px;text-align:left;min-height:80px}.studio-tool:hover{border-color:#cfc4ef;background:#faf8ff;transform:translateY(-1px)}.studio-tool span{display:grid;place-items:center;width:27px;height:27px;border-radius:8px;background:#f2f0ec;color:var(--purple)}.studio-tool strong{display:block;font-size:10px;margin-top:9px}.studio-tool.locked{opacity:.45}.studio-divider{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px 15px;font-size:10px;font-weight:700}.output-list{overflow:auto;padding:11px;flex:1}.empty-output{text-align:center;color:#aaa;font-size:10px;padding:40px 0}.empty-output span{font-size:21px;color:#c8c1dc}.output-card{border:1px solid var(--line);border-radius:11px;padding:11px;margin-bottom:8px}.output-card header{display:flex;justify-content:space-between;gap:8px}.output-card strong{font-size:10px}.output-card small{font-size:8px;color:var(--muted)}.output-card p{font-size:10px;line-height:1.5;max-height:90px;overflow:hidden;white-space:pre-wrap}.job-status{color:var(--purple);font-size:9px}.output-card img,.output-card video,.output-card audio{max-width:100%;border-radius:8px;margin-top:8px}.output-actions{display:flex;gap:5px}.output-actions button{border:0;background:#f1efeb;padding:5px 7px;border-radius:6px;font-size:9px}.empty-state{text-align:center;color:var(--muted);padding:35px 12px}.empty-state h3{font-size:13px;color:var(--ink)}.empty-state p{font-size:10px;line-height:1.6}.empty-icon{margin:auto;width:38px;height:38px;display:grid;place-items:center;background:var(--lav);color:var(--purple);border-radius:11px}.skeleton{height:50px;border-radius:10px;margin:7px 0;background:linear-gradient(90deg,#e9e6df,#f7f5f0,#e9e6df);background-size:200%;animation:shimmer 1.2s infinite}.skeleton.tall{height:65px}@keyframes shimmer{to{background-position:-200%}}.mobile-only,.mobile-nav{display:none}
/* Dialog + auth */
dialog{border:0;padding:0;border-radius:20px;box-shadow:0 30px 90px rgba(32,26,45,.3);max-width:570px;width:calc(100% - 30px)}dialog::backdrop{background:rgba(25,21,32,.45);backdrop-filter:blur(3px)}.dialog-card{position:relative;padding:34px}.dialog-close{position:absolute;right:17px;top:17px;border:0;background:#f2f0ec;width:30px;height:30px;border-radius:9px}.dialog-card h2{margin:0 0 7px}.dialog-card>p{color:var(--muted);font-size:12px}.dialog-card label{display:block;font-size:11px;font-weight:700;margin:13px 0}.dialog-card input,.dialog-card textarea{display:block;width:100%;margin-top:7px;padding:11px;border:1px solid var(--line);border-radius:10px;outline:0}.source-tabs{display:flex;gap:5px;margin:22px 0 15px;border-bottom:1px solid var(--line)}.source-tabs button{border:0;background:none;padding:9px;font-size:11px;color:var(--muted)}.source-tabs button.active{color:var(--purple);border-bottom:2px solid var(--purple)}.source-tab{display:none}.source-tab.active{display:block}.drop-zone{border:1px dashed #bdb4d6!important;border-radius:14px;padding:32px!important;text-align:center;background:#faf9ff}.drop-zone input{display:none}.drop-zone span{display:block;font-size:25px;color:var(--purple)}.drop-zone strong{display:block;margin:10px}.drop-zone p{font-size:10px;color:var(--muted)}.progress-box{display:flex;align-items:center;gap:10px;background:var(--lav);border-radius:10px;padding:12px;font-size:11px}.spinner{width:17px;height:17px;border:2px solid #d2c9ed;border-top-color:var(--purple);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tool-dialog-icon{width:42px;height:42px;background:var(--lav);color:var(--purple);display:grid;place-items:center;border-radius:12px;margin-bottom:15px}.auth-view{height:100vh;padding:40px 6vw;background:linear-gradient(120deg,#f5f0ff,#fbfaf6 48%,#effaf4)}.auth-brand{position:absolute}.auth-shell{height:100%;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:8vw;max-width:1080px;margin:auto}.auth-copy h1{font-family:Georgia,"Yu Mincho",serif;font-size:48px;line-height:1.35;margin:0}.auth-copy p{color:var(--muted);line-height:1.8}.auth-art{height:170px;margin-top:35px;position:relative}.auth-art span{position:absolute;background:white;border:1px solid var(--line);box-shadow:var(--shadow);padding:18px;border-radius:14px;font-size:11px;font-weight:800}.auth-art span:nth-child(1){left:3%;top:10px;transform:rotate(-7deg)}.auth-art span:nth-child(2){left:28%;top:70px;transform:rotate(5deg)}.auth-art span:nth-child(3){left:54%;top:15px;transform:rotate(-2deg)}.auth-art b{position:absolute;left:33%;top:10px;color:var(--purple);font-size:35px}.auth-card{background:white;border:1px solid rgba(100,80,130,.1);border-radius:22px;padding:38px;box-shadow:var(--shadow)}.auth-card h2{font-size:25px;margin:0 0 6px}.auth-card>p{font-size:12px;color:var(--muted)}.auth-card label{display:block;font-size:11px;font-weight:700;margin:16px 0}.auth-card input{width:100%;padding:12px;margin-top:7px;border:1px solid var(--line);border-radius:10px;outline:0}.auth-card input:focus{border-color:#a18bdf}.auth-card .text-button{display:block;margin:15px auto 0;font-size:11px}.auth-legal{text-align:center;font-size:9px!important;line-height:1.6}.auth-legal a{text-decoration:underline}.form-error{color:#b13737!important;min-height:16px}.toast-region{position:fixed;z-index:100;right:18px;top:18px}.toast{background:#27242d;color:#fff;padding:12px 16px;border-radius:11px;box-shadow:var(--shadow);font-size:11px;margin-bottom:8px;animation:toastIn .25s ease}.toast.error{background:#a43838}@keyframes toastIn{from{opacity:0;transform:translateY(-8px)}}
@media(max-width:1050px){.workspace{grid-template-columns:205px 240px 1fr}.studio-panel{position:fixed;z-index:10;right:0;top:64px;bottom:0;width:330px;box-shadow:-15px 0 40px rgba(50,40,70,.12);display:none}.studio-panel.active{display:flex}.app-header>.brand{width:195px}.feature-grid{grid-template-columns:repeat(2,1fr)}.wide{grid-column:span 2}}
@media(max-width:760px){.site-header{height:65px;padding:0 18px}.site-header nav>a:not(.primary){display:none}.hero{padding:115px 20px 60px;display:block;min-height:auto}.hero-copy,.hero-visual{width:100%}.hero h1{font-size:47px;letter-spacing:-2.5px}.hero-copy>p{font-size:15px}.hero-visual{margin-top:65px}.mock-body{height:300px}.trust-row{flex-wrap:wrap}.logo-strip{height:auto;padding:25px;flex-wrap:wrap}.section{padding:75px 18px}.section-head h2,.final-cta h2{font-size:34px}.feature-grid{display:block}.feature{margin-bottom:12px}.wide{display:block}.tool-pills{margin-top:20px}.steps{display:block}.steps article{border-left:0;border-top:1px solid #494650;padding:28px 8px}.plans{display:block}.plans article{margin:12px 0}.final-cta{margin:10px 15px 50px;padding:65px 15px}footer{display:block}footer>*{margin-bottom:20px}footer>div{text-align:left}footer>div a{margin:0 13px 0 0}.app-page{overflow:auto}.app-header{height:58px;padding:0 10px;gap:8px}.app-header>.brand{width:auto;font-size:0}.app-header>.brand .brand-mark{font-size:17px}.mobile-only{display:block}.app-title input{font-size:12px}.app-title span,.usage-pill,#shareBtn{display:none}.workspace{height:calc(100vh - 114px);display:block}.notebooks-panel{position:fixed;z-index:30;left:0;top:58px;bottom:0;width:260px;transform:translateX(-100%);transition:.2s;box-shadow:15px 0 40px rgba(40,30,60,.15)}.notebooks-panel.open{transform:translateX(0)}.pane{display:none!important;position:static;width:100%;height:100%;box-shadow:none}.pane.active{display:flex!important}.mobile-nav{height:56px;display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:20}.mobile-nav button{flex:1;border:0;background:white;color:#999;font-size:17px}.mobile-nav button span{display:block;font-size:8px;margin-top:3px}.mobile-nav button.active{color:var(--purple)}.studio-grid{max-height:48vh}.pane-head{height:55px}.composer-wrap{padding-bottom:8px}.auth-view{padding:22px}.auth-brand{position:static}.auth-shell{display:block;height:auto}.auth-copy{display:none}.auth-card{margin-top:55px;padding:25px}.dialog-card{padding:28px 19px}.source-tabs{overflow:auto}.source-tabs button{white-space:nowrap}.toast-region{top:8px;right:8px}.test-banner:not(.hidden)+.toast-region+.auth-view+.app-shell .notebooks-panel{top:86px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.rich-output{font-size:11px;line-height:1.65}.rich-output h3,.rich-output h4,.rich-output h5{margin:12px 0 5px}.rich-output p{max-height:none;margin:5px 0}.rich-list-item{padding:3px 0 3px 13px}.rich-list-item:before{content:"•";color:var(--purple);margin-left:-11px;margin-right:7px}.flashcard-deck{display:grid;gap:8px;margin:10px 0}.flashcard{min-height:115px;border:1px solid #d9d1ef;background:linear-gradient(145deg,#f7f4ff,#eee8ff);border-radius:13px;padding:14px;text-align:left;display:flex;flex-direction:column}.flashcard.revealed{background:linear-gradient(145deg,#f1fff7,#dcf5e7);border-color:#b9dfc9}.flashcard small{color:var(--muted);font-size:8px}.flashcard strong{margin:auto 0;font-size:12px;line-height:1.5}.flashcard span{color:var(--muted);font-size:8px}.quiz-output section{padding:10px 0;border-bottom:1px solid var(--line)}.quiz-output section>strong{display:block;font-size:11px;line-height:1.5;margin-bottom:7px}.quiz-output button{display:block;width:100%;text-align:left;border:1px solid var(--line);background:white;border-radius:8px;padding:8px;margin:5px 0;font-size:10px}.quiz-output button.correct{background:#e2f7eb;border-color:#86cba4;color:#23623e}.quiz-output button.wrong{background:#ffe9e6;border-color:#e0a099;color:#8c3027}.quiz-output p{max-height:none;background:#f6f4ef;border-radius:7px;padding:8px}.mindmap-output{overflow:auto;padding:8px 2px}.mindmap-node>span{display:inline-block;background:var(--lav);border:1px solid #d7cef2;border-radius:8px;padding:7px 9px;font-size:9px;font-weight:700}.mindmap-children{border-left:1px solid #cfc6e8;margin-left:10px;padding:7px 0 0 14px;display:grid;gap:7px}.mindmap-children>.mindmap-node{position:relative}.mindmap-children>.mindmap-node:before{content:"";position:absolute;left:-14px;top:13px;width:13px;border-top:1px solid #cfc6e8}.table-scroll{overflow:auto;margin:9px 0}.table-scroll table{border-collapse:collapse;min-width:100%;font-size:9px}.table-scroll th,.table-scroll td{border:1px solid var(--line);padding:7px;text-align:left}.table-scroll th{background:var(--lav)}.glossary-output{margin:7px 0}.glossary-output dt{font-size:10px;font-weight:800;color:var(--purple)}.glossary-output dd{font-size:9px;line-height:1.5;margin:3px 0 10px}.timeline-output{border-left:2px solid #d8cff2;margin:10px 5px;padding-left:13px}.timeline-output>div{position:relative;margin-bottom:12px}.timeline-output>div:before{content:"";position:absolute;left:-18px;top:4px;width:8px;height:8px;border-radius:50%;background:var(--purple)}.timeline-output time{font-size:8px;color:var(--purple);font-weight:800}.timeline-output p{max-height:none;margin:3px 0}.source-preview{max-height:80vh;overflow:auto}.source-preview-text{white-space:pre-wrap;font-size:12px;line-height:1.8;background:#f8f7f3;border-radius:12px;padding:16px;max-height:55vh;overflow:auto}