:root{--ink:#292735;--muted:#8c8798;--violet:#7058df;--pale:#f1edff;--line:#ece9f2;--bg:#f8f7fb;--green:#3e8a6e}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.6}button,input,select,textarea{font:inherit}a,button,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a,button,input,select,textarea{outline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #9278ef}a{color:var(--violet)}.app-shell{display:flex;min-height:100dvh}.sidebar{width:235px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);position:fixed;top:0;bottom:0;display:flex;flex-direction:column;padding:29px 20px;z-index:20}.brand{font-size:27px;letter-spacing:-1.2px;font-weight:750;display:flex;align-items:center;text-decoration:none;color:var(--ink);gap:9px;padding-left:5px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--violet);color:white;border-radius:11px}.brand-dot{color:var(--violet);margin-left:-9px}.sidebar-label{font-size:9px;letter-spacing:1.7px;color:#b4acbf;margin:42px 13px 17px;font-weight:650}.nav-item{border:0;background:none;color:#8c849b;display:flex;align-items:center;gap:12px;width:100%;border-radius:8px;padding:12px 14px;text-align:left;margin-bottom:7px;font-size:12px;font-weight:520}.nav-item:hover{background:#f9f7fe}.nav-item.active{color:var(--violet);background:#f1edfc;font-weight:650}.nav-dot{width:5px;height:5px;border-radius:100%;background:var(--violet);margin-left:auto}.sidebar-bottom{margin-top:auto;padding-top:36px}.local-card{background:#faf9fd;border:1px solid var(--line);padding:15px;border-radius:12px;font-size:10px}.status-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#84b99b;vertical-align:middle;margin-right:6px}.local-card strong{font-weight:600;color:#797184}.local-card p{font-size:10px;line-height:1.8;color:#a49bac;margin:7px 0 0}.github-link{display:flex;align-items:center;justify-content:space-between;text-decoration:none;font-size:10px;color:#a096af;margin:20px 9px 5px}.reset-link{margin:7px 9px!important;font-size:9px!important;color:#afa5bb!important}.main-shell{margin-left:235px;min-width:0;flex:1 1}.topbar{height:76px;justify-content:space-between;border-bottom:1px solid var(--line);background:#ffffffa6;padding:0 42px;gap:20px}.page-label,.topbar{display:flex;align-items:center}.page-label{gap:11px;font-size:10px;color:#b0a6be}.page-label strong{font-weight:550;color:#8b7f9b}.content{padding:35px 42px 0;max-width:1410px;margin:auto;min-height:calc(100dvh - 76px)}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px}.eyebrow{font-size:9px;letter-spacing:1.9px;font-weight:650;color:#9f91b3}.page-heading h1{font-size:29px;font-weight:650;letter-spacing:-1.15px;line-height:1.25;margin:9px 0 8px}.page-heading p{font-size:12px;color:#9c92a9;margin:0}.heading-icon{width:49px;height:49px;background:#f0ebfb;color:#baabdf;border-radius:15px;display:grid;place-items:center}.welcome-card{border:1px solid #e4dcf8;border-radius:18px;padding:33px 36px;background:linear-gradient(110deg,#eee8ff,#f8f5ff);display:grid;grid-template-columns:1fr 1fr;position:relative;overflow:hidden;min-height:320px}.pill{font-size:8px;letter-spacing:1.6px;color:#8d76c4;background:#fff9;border:1px solid #d9cff2;padding:5px 9px;border-radius:20px}.welcome-card h2{font-size:35px;font-weight:650;letter-spacing:-1.5px;line-height:1.15;margin:22px 0 15px}.welcome-card h2 em{color:#8267d3;font-style:normal}.welcome-card p{font-size:11px;color:#a091b5;line-height:1.9;margin:0 0 20px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:8px;padding:10px 17px;font-size:11px;font-weight:600;border:1px solid transparent;text-decoration:none}.primary{color:white;background:var(--violet);box-shadow:0 4px 10px #7058df15}.primary:hover:not(:disabled){background:#5f47cc}.secondary{background:#fff;border-color:#e7e1ef;color:#8f7ba7}.secondary:hover:not(:disabled){background:#faf8ff}.welcome-art{place-items:center;min-width:0}.book-tile,.welcome-art{position:relative;display:grid}.book-tile{width:142px;height:142px;border:1px solid #dbd0f4;border-radius:35px;background:linear-gradient(140deg,#fefcff,#ddd1f8);box-shadow:15px 23px 45px #8f6ec528;transform:rotate(-12deg);place-items:center;color:#a08aca;z-index:1}.orbit{border:1px solid #b9a4e129;border-radius:50%;position:absolute;width:275px;height:275px;transform:rotate(-20deg)}.orbit-two{width:340px;height:340px;border-style:dashed;border-color:#b9a4e123}.float-label{position:absolute;z-index:2;background:#ffffffd9;border:1px solid #e6dbf5;border-radius:8px;padding:8px 11px;font-size:9px;display:flex;align-items:center;gap:6px;box-shadow:0 10px 20px #8067950b}.label-one{left:6%;top:18%;color:#9c8ab3;transform:rotate(-5deg)}.label-two{right:4%;bottom:20%;color:#ac92bf;transform:rotate(5deg)}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin:23px 0 32px}.metric{border:1px solid var(--line);background:#fff;border-radius:12px;padding:21px 23px;position:relative}.metric>span{font-size:10px;color:#a69bb2}.metric>strong{display:block;font-size:29px;line-height:1.3;font-weight:600;margin-top:8px;letter-spacing:-1px}.metric strong small{display:block;font-size:9px;color:#b3a7be;letter-spacing:0;font-weight:400;margin-top:4px}.metric>svg{position:absolute;right:23px;top:24px;color:#c1b2d4}.section-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.section-title h2{font-size:16px;letter-spacing:-.4px;line-height:1.35;margin:0;font-weight:600}.section-title>span{font-size:10px;color:#b1a6be}.section-title>svg{color:#b3a1c9}.shortcut-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.shortcut{background:#fff;border:1px solid var(--line);border-radius:12px;text-align:left;padding:23px;transition:transform .2s,border-color .2s}.shortcut:hover{transform:translateY(-3px);border-color:#d1c1ee}.soft-icon{display:inline-grid;place-items:center;background:#f3effc;color:#aa96ca;min-width:38px;height:38px;border-radius:11px}.shortcut:nth-child(2) .soft-icon{background:#eaf6f0;color:#8ab5a4}.shortcut:nth-child(3) .soft-icon{background:#fcf0e6;color:#c2a181}.shortcut h3{font-size:13px;letter-spacing:-.3px;font-weight:600;margin:21px 0 8px}.shortcut p{font-size:10px;line-height:1.9;color:#afa4bd;margin:0 0 20px}.shortcut-link{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:#a08ab8}.panel{background:white;border:1px solid var(--line);border-radius:13px;padding:25px;margin-bottom:20px;min-width:0}.materials-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:22px;align-items:start}.upload-box{border:1.5px dashed #d9cee9;border-radius:12px;text-align:center;padding:30px 15px;background:#fdfbff}.upload-icon{display:inline-grid;place-items:center;color:#b3a0cf;background:#f3edfb;border-radius:13px;width:49px;height:49px}.upload-box h3{font-size:14px;margin:16px 0 8px;font-weight:600;letter-spacing:-.4px}.upload-box p{font-size:10px;color:#b3a7bf;line-height:1.9;margin:0 0 18px}.fine-print{font-size:9px;line-height:1.9;color:#afa3bb;margin:12px 0}.empty-inline{font-size:11px;text-align:center;color:#b5a9c1;padding:22px 0 0}.material-row{display:flex;align-items:center;gap:12px;padding:16px 12px;border:1px solid var(--line);border-radius:9px;margin-top:12px;min-width:0}.material-row.selected{border-color:#d3c3ee;background:#fdfbff}.material-copy{min-width:0;flex:1 1}.material-copy>strong{display:block;font-size:11px;word-break:break-word}.material-copy>small{font-size:9px;color:#b0a4bf}.row-actions{display:flex;gap:14px;margin-top:6px}.text-button{border:0;background:transparent;color:#9b82b7;font-size:10px;padding:0;text-decoration:none}.text-button:hover{text-decoration:underline}.icon-button{border:0;background:none;color:#b5a7c4;display:inline-grid;place-items:center;padding:6px;flex-shrink:0;border-radius:5px}.icon-button:hover{background:#f5f0fc}.preview-panel iframe{width:100%;height:530px;border:1px solid var(--line);border-radius:7px;margin-bottom:15px}.empty-state{text-align:center;padding:50px 20px;color:#b3a5c3}.empty-state h3{font-size:16px;letter-spacing:-.4px;color:#92809f;font-weight:550;margin:17px 0 8px}.empty-state p{font-size:11px;max-width:310px;margin:0 auto 20px;color:#b1a4bf}.preview-panel .empty-state{padding:110px 20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:22px}.field{display:flex;flex-direction:column;gap:7px;min-width:0;font-size:10px;color:#9b8aab;font-weight:500}.field input,.field select{width:100%;min-width:0;border:1px solid #ebe4f2;color:#8d7b9e;background:#fbf9fe;border-radius:7px;padding:10px 12px;font-size:11px;min-height:39px}.field input::placeholder{color:#bcafc8}.field input:focus,.field select:focus{background:white;border-color:#c1abe5}.alert,.notice{display:flex;align-items:center;gap:10px;border-radius:8px;padding:12px 16px;font-size:11px;margin-bottom:18px;line-height:1.7}.alert{border:1px solid #f0d4d8;color:#b27480;background:#fff4f5}.alert .icon-button{margin-left:auto}.notice{background:#eff8f3;color:#6c9b81;border:1px solid #d4ebde}.busy{display:flex;align-items:center;gap:9px;padding:8px 0 16px;font-size:11px;color:#aa92c4}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.access-code{max-width:280px;margin-bottom:20px}.chat-panel{padding:0;overflow:hidden}.chat-controls{padding:20px 24px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1.3fr 1fr auto;gap:18px;align-items:end}.chat-controls>.text-button{margin-bottom:10px}.chat-messages{padding:25px;min-height:330px;max-height:calc(100dvh - 420px);overflow-y:auto;scroll-behavior:smooth}.chat-welcome{text-align:center;padding:28px 0 18px}.large-icon{display:inline-grid;place-items:center;width:60px;height:60px;border-radius:20px;background:#f4efff;color:#b39bd9}.chat-welcome h2{font-weight:550;font-size:22px;letter-spacing:-.8px;margin:18px 0 8px}.chat-welcome p{font-size:11px;color:#b0a1bf}.suggestions{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin-top:25px}.suggestions button{border:1px solid var(--line);border-radius:8px;background:white;color:#a48db6;font-size:9px;padding:10px 12px;display:flex;align-items:center;gap:12px}.message{max-width:92%;padding:16px 19px;margin-bottom:20px;border:1px solid #eee9f5;border-radius:10px;background:#fcfaff}.message.user{margin-left:auto;background:#7661d5;color:#fff;max-width:80%;border:0}.message.error-message{background:#fff6f6;border-color:#f2d7da;color:#b97c85}.message-author{font-size:10px;font-weight:600;display:flex;gap:7px;align-items:center;margin-bottom:9px;color:#a18ab8}.message-author>span{font-size:8px;font-weight:400;color:#bcacc9;margin-left:auto}.message.user .message-author{color:#e1d6ff}.markdown{font-size:12px;line-height:1.9;overflow-wrap:anywhere}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown h1,.markdown h2,.markdown h3{font-size:16px;font-weight:600;line-height:1.4;letter-spacing:-.3px}.markdown p{margin:10px 0}.markdown pre{overflow:auto;background:#f0ebf7;border-radius:6px;padding:14px;color:#69577d}.markdown code{font-size:11px}.markdown table{display:block;max-width:100%;overflow:auto;border-collapse:collapse;font-size:11px}.markdown td,.markdown th{border:1px solid #e5dcee;padding:8px 11px;min-width:60px}.markdown blockquote{border-left:3px solid #d7c6f1;margin-left:0;padding-left:14px;color:#a393b0}.katex-display{overflow:auto;max-width:100%;padding:4px 0}.message.user .markdown a{color:#ede4ff}.source-list{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}.source-list a,.source-list button{border:1px solid #e5daee;background:#f5effc;border-radius:5px;color:#a185b6;font-size:9px;padding:4px 7px;display:inline-flex;gap:5px;align-items:center;text-decoration:none;max-width:100%;overflow-wrap:anywhere}.composer{margin:0 24px;display:flex;gap:15px;align-items:end;border:1px solid #e5dbee;border-radius:10px;padding:12px;background:#fff}.composer textarea{width:100%;resize:vertical;min-height:43px;max-height:140px;border:0;outline:none;font-size:12px;color:#776786;background:none}.composer textarea::placeholder{color:#b8a9c6}.send-button{background:var(--violet);border:0;border-radius:8px;color:white;padding:10px;display:grid;place-items:center}.chat-note{text-align:center;padding:0 20px 7px}.quiz-list{margin-top:30px}.quiz-question{border:1px solid var(--line);min-width:0}.quiz-question legend{font-size:9px;color:#a18ab6;padding:0 8px;text-transform:uppercase;letter-spacing:1px}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.quiz-option{display:flex;align-items:center;gap:10px;border:1px solid #eee7f5;border-radius:8px;padding:11px;font-size:11px;color:#9c89af;cursor:pointer}.quiz-option>input{accent-color:var(--violet);margin:0}.quiz-option.chosen{background:#f5efff;border-color:#cdb6eb}.quiz-option.correct{background:#eef8f2;border-color:#bcdcc9;color:#76a18a}.option-letter{font-size:10px;font-weight:650}.explanation{background:#f5f9f6;border:1px solid #e5ede8;border-radius:7px;margin-top:18px;padding:14px;color:#88a390}.explanation,.explanation .markdown{font-size:11px}.score-banner{padding:23px;border:1px solid #d9eadd;background:#f3fbf5;border-radius:12px;display:flex;align-items:center;gap:15px;margin-bottom:20px}.score-banner strong{font-size:20px;font-weight:600;letter-spacing:-.5px;color:#769d80}.score-banner p{font-size:10px;color:#9fb2a4;margin:2px 0}.score-banner button{margin-left:auto}.history-row{display:flex;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid var(--line)}.history-row>div{flex:1 1;min-width:0}.history-row strong{font-size:11px;font-weight:550;overflow-wrap:anywhere}.history-row small{display:block;font-size:9px;color:#baaac5}.result-pill{font-size:11px;color:#a589b8;background:#f5effb;padding:5px 10px;border-radius:20px;white-space:nowrap}.muted{font-size:11px;color:#ad9abc}.focus-list button{width:100%;display:flex;align-items:center;justify-content:space-between;border:1px solid #eadff3;background:#fdfbff;border-radius:8px;padding:13px;color:#a389b8;font-size:11px;margin:10px 0;text-align:left;gap:10px}.plan-output{margin-top:30px}.plan-output .section-title h2{font-size:22px;margin-top:6px}.plan-progress{font-size:10px;color:#b09ac0;margin:25px 0 18px}.plan-progress>div{height:5px;border-radius:20px;background:#eae1f5;margin-top:10px;overflow:hidden}.plan-progress i{height:100%;display:block;background:#aa87d0;border-radius:20px}.plan-day-heading{display:flex;align-items:center;gap:12px;font-size:9px;color:#b396c5;text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;cursor:pointer}.plan-day-heading input{width:18px;height:18px;accent-color:var(--violet)}.plan-day-heading strong{display:block;color:#8e759f;font-size:15px;text-transform:none;letter-spacing:-.3px;margin-top:3px}.plan-day.done{background:#fcfaff;border-color:#e2d5f0}.app-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);font-size:9px;color:#b9acc6;padding:22px 0;margin-top:45px}.skip,.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.skip:focus{clip:auto;width:auto;height:auto;z-index:100;background:#fff;padding:10px;left:15px;top:15px}.mobile-menu{display:none}@media(min-width:1700px){.content{padding-top:50px}.welcome-card{min-height:360px}.welcome-card h2{font-size:41px}}@media(max-width:1100px){.sidebar{width:205px;padding:25px 15px}.main-shell{margin-left:205px}.topbar{padding:0 28px}.content{padding:30px 28px 0}.welcome-card{padding:28px;grid-template-columns:1.3fr 1fr}.welcome-card h2{font-size:30px}.book-tile{width:110px;height:110px}.orbit{width:205px;height:205px}.orbit-two{width:260px;height:260px}.float-label{font-size:8px}.label-one{left:-4%}.label-two{right:-10%}.metric{padding:18px}.metric>svg{right:16px}.shortcut{padding:18px}.materials-grid{gap:17px;grid-template-columns:1fr 1fr}.panel{padding:20px}}@media(max-width:850px){.sidebar{width:185px;padding:25px 10px}.nav-item{font-size:11px;padding:11px}.brand{font-size:24px}.main-shell{margin-left:185px}.content{padding:25px 22px 0}.topbar{padding:0 22px}.page-heading h1{font-size:25px}.heading-icon{display:none}.welcome-card{display:block;min-height:0}.welcome-art{display:none}.welcome-card h2{font-size:32px}.metric-grid,.shortcut-grid{gap:10px}.metric{padding:16px}.metric>svg{display:none}.metric>span{font-size:9px}.metric>strong{font-size:25px}.metric strong small{font-size:8px}.shortcut{padding:15px}.shortcut h3{font-size:12px}.materials-grid{grid-template-columns:1fr}.preview-panel .empty-state{padding:35px 15px}.chat-controls{grid-template-columns:1fr 1fr;padding:17px;gap:10px}.chat-controls>.text-button{grid-column:1/-1;text-align:right;margin-bottom:0}.chat-messages{max-height:none}.composer{margin:0 17px}.quiz-options{grid-template-columns:1fr}.app-footer{font-size:8px}}@media(max-width:620px){.sidebar{display:none;width:230px;box-shadow:20px 0 100px #35234f24;padding:25px 18px;top:67px}.sidebar.open{display:flex}.sidebar .brand{display:none}.sidebar-label{margin-top:13px}.main-shell{margin-left:0}.topbar{height:67px;padding:0 18px;position:sticky;top:0;z-index:15;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#fffffff0}.mobile-menu{display:inline-grid}.page-label{gap:7px;font-size:9px}.content{padding:27px 18px 0}.page-heading{margin-bottom:23px}.page-heading h1{font-size:25px}.page-heading p{font-size:11px}.eyebrow{font-size:8px;letter-spacing:1.5px}.welcome-card{padding:25px;border-radius:13px}.welcome-card h2{font-size:33px}.welcome-card p{font-size:11px}.metric-grid{grid-template-columns:1fr 1fr;margin-top:16px}.metric-grid .metric:last-child{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between}.metric-grid .metric:last-child>strong{font-size:23px;margin:0;text-align:right}.metric-grid .metric:last-child strong small{font-size:8px}.section-title h2{font-size:14px}.section-title>span{font-size:9px}.shortcut-grid{grid-template-columns:1fr}.shortcut{display:grid;grid-template-columns:auto 1fr;column-gap:15px;padding:20px}.shortcut .soft-icon{grid-row:1/4;margin-top:4px}.shortcut h3{margin:0 0 5px;font-size:13px}.shortcut p{margin:0 0 10px;font-size:10px}.shortcut-link{grid-column:2}.form-grid{grid-template-columns:1fr;gap:15px}.panel{padding:20px}.chat-panel{padding:0}.chat-controls{grid-template-columns:1fr 1fr}.field{font-size:10px}.chat-controls .field select{padding:9px 6px;font-size:10px}.chat-messages{padding:18px;min-height:280px}.chat-welcome{padding:20px 0}.chat-welcome h2{font-size:19px}.suggestions{flex-direction:column}.suggestions button{justify-content:space-between}.message{max-width:100%;padding:14px}.message.user{max-width:90%}.message-author>span{font-size:7px}.markdown{font-size:12px}.composer textarea{font-size:16px}.composer{margin:0 15px}.source-list a,.source-list button{font-size:8px}.score-banner{flex-wrap:wrap;padding:20px}.score-banner button{margin-left:0;width:100%}.preview-panel iframe{height:430px}.app-footer{flex-direction:column;gap:5px;margin-top:35px}.plan-output .section-title{align-items:start}.plan-output .section-title h2{font-size:18px}.plan-output .secondary{font-size:9px;padding:8px 10px}.alert,.notice{font-size:10px}.field input,.field select,.plan-day-heading strong{font-size:14px}.upload-box p{font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}.eyebrow,.sidebar-label{color:#78668f}.app-footer,.chat-note,.chat-welcome p,.empty-inline,.empty-state p,.fine-print,.github-link,.history-row small,.local-card p,.material-copy>small,.metric strong small,.metric>span,.muted,.page-heading p,.plan-day-heading,.plan-progress,.section-title>span,.shortcut p,.welcome-card p{color:#766b83}.local-card strong,.nav-item{color:#776a85}.composer textarea::placeholder,.field,.field input,.field input::placeholder,.field select{color:#76677f}.focus-list button,.message-author,.secondary,.shortcut-link,.source-list a,.source-list button,.suggestions button,.text-button{color:#705b85}.history-row strong,.material-copy>strong{color:#51435e}.app-footer,.fine-print,.local-card p{font-size:11px}.field{font-size:12px}.field input,.field select{font-size:13px}.chat-welcome p,.empty-state p,.shortcut p,.welcome-card p{font-size:12px}.markdown{font-size:13px}.message.user .message-author{color:#fff}.explanation,.quiz-option.correct{color:#3d7656}.alert{color:#9e485b}.notice{color:#356f50}.reset-link{color:#776a85!important}.source-list a,.source-list button{font-size:10px}.focus-list button,.quiz-option{color:#76677f}.plan-day-heading strong{color:#705b85}.account-controls{display:flex;align-items:center;gap:19px;font-size:11px;color:#76677f}.account-controls>span{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.signout-button{display:flex;align-items:center;gap:6px;font-size:11px}.login-page{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr;background:white}.login-story{background:radial-gradient(ellipse at 90% 70%,#e5dcfb,#f3effd 65%);padding:48px clamp(30px,6vw,95px);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.login-story>.brand{position:absolute;top:43px;left:clamp(30px,6vw,95px)}.login-story>.eyebrow{margin-top:65px}.login-story h1{font-size:clamp(38px,4vw,62px);letter-spacing:-2.4px;line-height:1.12;font-weight:650;margin:24px 0}.login-story h1 em{color:#7058df;font-style:normal}.login-story>p{font-size:14px;color:#766b83;max-width:345px;line-height:1.9;margin:0}.login-illustration{display:grid;place-items:center;width:175px;height:175px;border:1px solid #d7c8ef;border-radius:40px;background:#ffffff80;box-shadow:15px 24px 50px #a58ad026;transform:rotate(-10deg);color:#a089c4;margin:53px auto 43px}.login-story-note{font-size:11px;color:#867294;letter-spacing:.3px}.login-form{display:grid;place-items:center;padding:50px}.login-card{max-width:380px;width:100%}.login-card>.eyebrow{display:block;margin-top:25px}.login-card h2{font-size:31px;line-height:1.25;letter-spacing:-1.1px;font-weight:600;margin:16px 0}.login-card>p:not(.fine-print){color:#76677f;font-size:13px;margin-bottom:31px}.google-button{display:flex;align-items:center;gap:13px;background:#fff;border:1px solid #ddd4eb;border-radius:9px;padding:14px 18px;color:#51435e;width:100%;font-size:13px;font-weight:550;box-shadow:0 3px 9px #6e528505;transition:background .2s}.google-button:hover:not(:disabled){background:#faf7ff}.google-button>svg:last-child{margin-left:auto}.login-assurance{display:flex;align-items:center;justify-content:center;gap:8px;color:#708b7a;font-size:10px;margin:20px 0 28px}.login-card>.fine-print{border-top:1px solid #eee8f5;padding-top:22px;font-size:11px;line-height:1.9}.login-card>.text-button{display:inline-block;margin-top:10px;font-size:11px}@media(max-width:800px){.login-page{grid-template-columns:.9fr 1fr}.login-story{padding:45px 30px}.login-story>.brand{left:30px}.login-story h1{font-size:39px;letter-spacing:-1.5px}.login-form{padding:35px}.login-card h2{font-size:26px}}@media(max-width:620px){.login-page{display:block}.login-story{padding:30px 25px;min-height:180px}.login-story>.brand{position:static;margin-bottom:25px}.login-story>.eyebrow{margin-top:0}.login-story h1{font-size:31px;margin:15px 0 10px}.login-story>p{font-size:12px;max-width:340px}.login-illustration,.login-story-note{display:none}.login-form{padding:35px 25px 45px}.login-card{max-width:none}.login-card>.soft-icon{display:none}.login-card>.eyebrow{margin-top:0}.login-card h2{font-size:26px}.account-controls{gap:9px}.account-controls>span{display:none}.signout-button{font-size:10px}}.auth-tabs{display:flex;border:1px solid #e5ddef;border-radius:8px;background:#faf8fd;padding:4px;margin:22px 0}.auth-tabs button{flex:1 1;border:0;background:none;padding:9px;border-radius:5px;color:#79668b;font-size:12px}.auth-tabs button[aria-pressed=true]{background:white;box-shadow:0 2px 7px #6a4b8e12;color:#7058df;font-weight:600}.email-auth-form{display:flex;flex-direction:column;gap:17px}.email-auth-form .field{position:relative}.optional{font-size:10px;color:#8e7e9d;position:absolute;right:0;top:0}.password-input{display:flex;align-items:center;border:1px solid #ebe4f2;border-radius:7px;background:#fbf9fe;overflow:hidden}.password-input input{border:0;background:none;outline-offset:-2px}.password-input .icon-button{margin-right:5px}.auth-submit{width:100%;margin-top:4px;padding:13px}.auth-submit>svg:last-child{margin-left:auto}.auth-links{display:flex;justify-content:space-between;gap:14px;margin:17px 0 25px}.auth-links .text-button{font-size:11px}.password-page{min-height:100dvh;display:grid;place-items:center;padding:25px;background:#f6f2fc}.password-page>.panel{width:100%;max-width:420px;padding:35px}.password-page h1{font-size:24px;letter-spacing:-.8px;line-height:1.3}.password-page p{color:#766b83;font-size:12px;margin-bottom:25px}:root{--accent:var(--violet);--accent-dark:#5b43c6;--surface:#fff;--tint:var(--pale);--serif:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.aid-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:22px;align-items:start}.aid-library{padding:19px}.aid-library .section-title h2{font-size:22px}.aid-library-item{display:block;width:100%;text-align:left;padding:13px 10px;border:0;border-bottom:1px solid var(--line);border-left:2px solid transparent;background:transparent;color:var(--ink);min-height:64px}.aid-library-item strong{display:block;font-size:13px;font-weight:550;overflow-wrap:anywhere}.aid-library-item small{font-size:11px;color:var(--muted)}.aid-library-item.active{background:var(--tint);border-left-color:var(--accent)}.aid-workspace .section-title h2{font-size:27px;margin-top:6px;overflow-wrap:anywhere}.aid-actions{display:flex;gap:2px;flex-shrink:0}.aid-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 0 18px;color:var(--muted);font-size:12px}.aid-toolbar p{margin:0}.review-filter{display:flex;align-items:center;gap:8px;min-height:40px}.review-filter input{accent-color:var(--accent);width:17px;height:17px}.flashcard{min-height:280px;background:#fbf9fe;border:1px solid #e5ddef;border-top:3px solid #c0afe9;border-radius:12px;display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:space-between;padding:26px;gap:25px}.flashcard.revealed{background:#f1edff;border-top-color:var(--accent)}.flashcard-content{max-width:65ch;width:100%;padding:6px 0}.flashcard-content .markdown{font-size:20px;line-height:1.7}.flashcard.revealed .markdown{font-size:16px}.flashcard-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px}.flashcard-controls>.secondary{padding:10px}.flashcard-grades{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.map-canvas{overflow:auto;max-height:570px;min-height:220px;background:#faf8fd;border:1px solid var(--line);border-radius:9px;padding:26px;overscroll-behavior:contain}.map-tree{width:max-content;min-width:100%;padding:10px 0}.map-tree ul{list-style:none;margin:0;padding:0 0 0 28px;position:relative}.map-tree>ul{padding-left:0}.map-tree li{display:flex;align-items:center;gap:28px;position:relative;padding:10px 0}.map-tree li:before{content:"";position:absolute;left:-28px;top:50%;width:28px;border-top:1px solid #cfc2e5}.map-tree>ul>li:before{display:none}.map-tree li>ul:before{content:"";position:absolute;left:0;top:0;bottom:0;border-left:1px solid #cfc2e5}.map-node{display:flex;align-items:stretch;border:1px solid #d9cfea;border-radius:9px;background:var(--surface);width:180px;flex-shrink:0;position:relative}.map-node:has(+ul):after{content:"";position:absolute;right:-29px;top:50%;width:28px;border-top:1px solid #cfc2e5}.map-node.selected{border-color:var(--accent);background:#f1edff;box-shadow:0 0 0 1px var(--accent)}.map-node-title{flex:1 1;min-width:0;color:var(--ink);font-size:13px;padding:13px 12px;text-align:left;overflow-wrap:anywhere;min-height:48px}.map-node-title,.map-toggle{border:0;background:transparent}.map-toggle{border-left:1px solid var(--line);padding:5px;color:var(--accent);min-width:32px}.map-detail{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.map-detail h3{font:400 25px/1.4 var(--serif);margin:6px 0 15px}.map-detail .markdown{font-size:14px}@media(max-width:1000px){.aid-layout{grid-template-columns:1fr}.aid-library{display:flex;flex-wrap:wrap;gap:8px}.aid-library .section-title{width:100%;margin-bottom:6px}.aid-library-item{width:auto;flex:1 1;min-width:140px;border:1px solid var(--line);border-left:2px solid transparent;border-radius:3px}.aid-library-item.active{border-left-color:var(--accent)}}@media(max-width:680px){.aid-toolbar{align-items:flex-start;flex-wrap:wrap}.flashcard{min-height:300px;padding:22px 17px}.flashcard-content .markdown{font-size:19px}.flashcard-controls{flex-wrap:wrap}.flashcard-grades{order:3;width:100%}.flashcard-grades>button{flex:1 1}.aid-workspace .section-title{align-items:start}.aid-workspace .section-title h2{font-size:25px}.map-canvas{padding:20px 15px;max-height:470px}.map-toggle{min-width:44px}.map-node{width:164px}.aid-library-item{min-width:120px}.sidebar-bottom{padding-top:20px}.sidebar-label{margin-bottom:8px}.nav-item{min-height:44px;padding-top:9px;padding-bottom:9px}}.icon-button{min-width:40px;min-height:40px}.primary,.secondary{min-height:42px}.map-detail h3{font-family:inherit;font-weight:600}.menu-backdrop{display:none}.sidebar{overflow-y:auto}.password-input input{min-width:0}@media(max-width:680px){.menu-backdrop{display:block;position:fixed;inset:67px 0 0;background:#29273545;border:0;z-index:19}.sidebar{z-index:20}.icon-button,.nav-item,.text-button{min-height:44px}.field input,.field select{font-size:16px}.source-list a,.source-list button{min-height:44px}.composer textarea{font-size:16px}}.save-recovery{align-items:flex-start;flex-wrap:wrap}.save-recovery>div:first-child{flex:1 1;min-width:220px}.save-recovery p{margin:6px 0 0}.save-recovery-actions{display:flex;gap:10px;flex-wrap:wrap}.save-recovery-actions .secondary{font-size:12px}@media(max-width:680px){.save-recovery-actions{width:100%}.save-recovery-actions .secondary{flex:1 1;min-height:44px}}