:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#181a20;--muted:#777b86;--line:#e9e9e6;--canvas:#f7f7f4;--nav:#f1f1ed;--accent:#ff5f3d;--lime:#dffc81;--purple:#ece6ff;--blue:#e3ecff;--shadow:0 18px 52px #22211d12}.material em.pending-status{color:#777b84;background:#f1f1ed}.toast.error{background:#9e4737}*{box-sizing:border-box}html,body{background:var(--canvas);min-height:100%;color:var(--ink);margin:0}body{font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif;font-size:16px}button,input,textarea{font:inherit}button{color:inherit}.hidden{display:none}.app-shell{grid-template-columns:244px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{background:var(--nav);border-right:1px solid #e5e5e0;flex-direction:column;height:100vh;padding:25px 17px 18px;display:flex;position:sticky;top:0}.logo{align-items:center;gap:10px;height:43px;padding:0 9px;display:flex}.logo strong{letter-spacing:.03em;font-size:19px}.logo-mark{flex:0 0 36px;width:36px;height:36px;display:block}.logo-mark img{object-fit:contain;width:100%;height:100%;display:block}.sidebar nav{gap:4px;margin:25px 0 27px;display:grid}.sidebar nav button{color:#666a74;cursor:pointer;background:0 0;border:0;border-radius:11px;align-items:center;gap:12px;height:43px;padding:0 11px;font-size:14px;display:flex}.sidebar nav button.active{color:#202229;background:#fff;font-weight:620;box-shadow:0 2px 9px #0000000b}.space-head{color:#90939b;justify-content:space-between;padding:0 8px 8px 11px;font-size:12px;display:flex}.space-head button{cursor:pointer;background:0 0;border:0}.spaces{display:grid}.spaces button{color:#696c75;cursor:pointer;background:0 0;border:0;border-radius:9px;justify-content:space-between;align-items:center;min-height:37px;padding:0 10px 0 12px;font-size:13px;display:flex}.spaces button.active{color:#202229;background:#e5e5df;font-weight:600}.spaces small{color:#999}.sidebar-foot{margin-top:auto}.usage{color:#777;background:#ffffff7a;border:1px solid #e0e0db;border-radius:13px;margin:0 6px 15px;padding:14px;font-size:11px}.usage span{justify-content:space-between;display:flex}.usage b{color:#4f525a}.usage>i{background:#deded8;border-radius:5px;height:4px;margin-top:10px;display:block;overflow:hidden}.usage em{background:var(--accent);width:36%;height:100%;display:block}.profile{text-align:left;background:0 0;border:0;border-top:1px solid #ddd;grid-template-columns:35px 1fr auto;align-items:center;gap:9px;width:100%;padding:10px 7px;display:grid}.profile>span:first-child{color:#fff;background:#2f3137;border-radius:50%;place-items:center;width:33px;height:33px;display:grid}.profile strong{font-size:12px;display:block}.profile small{color:#999;margin-top:3px;font-size:10px;display:block}.role-switch{background:#e9e9e4;border:1px solid #dfdfda;border-radius:10px;grid-template-columns:repeat(3,1fr);gap:2px;margin:17px 0 2px;padding:3px;display:grid}.role-switch button{color:#85878e;cursor:pointer;background:0 0;border:0;border-radius:7px;height:29px;font-size:10px}.role-switch button.active{color:#24262b;background:#fff;font-weight:650;box-shadow:0 2px 7px #0000000d}.role-switch+nav{margin-top:12px}.demo-badge{z-index:35;color:#8a8c92;background:#f7f7f3;border:1px solid #e2e2dc;border-radius:20px;padding:6px 9px;font-size:10px;position:fixed;top:15px;right:18px}.boot-screen{background:#f7f7f4;align-content:center;place-items:center;gap:16px;min-height:100vh;display:grid}.boot-screen>span{background:#e5e5df;border-radius:6px;width:120px;height:4px;position:relative;overflow:hidden}.boot-screen>span:after{content:"";background:var(--accent);width:45%;height:100%;animation:1s infinite load;position:absolute}.boot-screen>p{color:#8b8e95;margin:0;font-size:12px}.auth-shell{background:#fff;grid-template-columns:minmax(420px,.9fr) minmax(480px,1.1fr);min-height:100vh;display:grid}.auth-card{width:min(430px,100% - 60px);margin:auto;padding:30px 0}.auth-card>.logo{padding:0}.auth-copy{margin:78px 0 30px}.auth-copy h1{letter-spacing:-1.1px;margin:20px 0 8px;font-size:35px}.auth-copy p{color:#777b84;max-width:360px;margin:0;font-size:13px;line-height:1.65}.auth-card form label{color:#5e6169;font-size:12px;font-weight:650;display:block}.auth-card form input{border:1px solid #ddddda;border-radius:10px;outline:0;width:100%;height:46px;margin-top:8px;padding:0 13px}.auth-card form input:focus{border-color:#777}.auth-card form>.solid,.auth-card>.outline-button{justify-content:center;width:100%;height:46px;margin-top:12px}.auth-error{color:#b34e38;margin:9px 0;font-size:11px}.auth-card footer{color:#a0a2a8;text-align:center;margin-top:26px;font-size:10px}.auth-aside{color:#fff;background:#24262b;border-radius:22px;align-items:flex-end;margin:16px;padding:55px;display:flex;position:relative;overflow:hidden}.auth-aside:before,.auth-aside:after{content:"";border:1px solid #ffffff1d;border-radius:50%;position:absolute}.auth-aside:before{width:520px;height:520px;top:-170px;right:-160px}.auth-aside:after{width:280px;height:280px;top:-45px;right:-40px}.auth-aside>div{z-index:1;position:relative}.auth-aside span{color:#dffc81;letter-spacing:.8px;font-size:11px}.auth-aside h2{letter-spacing:-1px;max-width:600px;margin:17px 0 12px;font-size:35px;line-height:1.25}.auth-aside p{color:#bbbcc1;max-width:520px;font-size:13px;line-height:1.65}.workspace{background:#fff;min-width:0;min-height:100vh}.page{width:min(980px,100% - 64px);margin:auto;padding:68px 0 80px}.page>header{justify-content:space-between;align-items:center;margin-bottom:34px;display:flex}.page header p{color:#858892;margin:0 0 7px;font-size:13px}.page h1{letter-spacing:-1.65px;margin:0;font-size:clamp(30px,4vw,42px);line-height:1.15}.circle{border:1px solid var(--line);background:#fff;border-radius:50%;place-items:center;width:44px;height:44px;display:grid}.upload{cursor:pointer;text-align:left;background:#fafaf7;border:1.5px dashed #d5d5ce;border-radius:18px;grid-template-columns:56px 1fr auto;align-items:center;gap:18px;width:100%;min-height:132px;padding:26px 28px;transition:all .2s;display:grid}.upload:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.upload-icon{width:54px;height:54px;color:var(--accent);background:#fff0eb;border-radius:15px;place-items:center;display:grid}.upload strong{margin-bottom:7px;font-size:16px;display:block}.upload small{color:var(--muted);font-size:13px}.upload>b,.solid{color:#fff;background:#22242a;border:0;border-radius:10px;padding:11px 17px;font-size:13px}.actions{grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0 48px;display:grid}.actions>button{border:1px solid var(--line);cursor:pointer;text-align:left;background:#fff;border-radius:15px;grid-template-columns:40px 1fr auto;align-items:center;gap:12px;min-height:92px;padding:17px;transition:all .18s;display:grid}.actions>button:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.actions>button>span:first-child{border-radius:11px;place-items:center;width:39px;height:39px;display:grid}.actions .ask{background:var(--lime)}.actions .summary{background:var(--purple)}.actions .quiz{background:var(--blue)}.actions strong{font-size:13px;display:block}.actions small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.section-title{justify-content:space-between;align-items:end;margin-bottom:12px;display:flex}.section-title p{color:#999;text-transform:uppercase;letter-spacing:1px;margin:0 0 5px;font-size:11px}.section-title h2{margin:0;font-size:21px}.section-title button{color:#777;background:0 0;border:0;align-items:center;gap:6px;font-size:12px;display:flex}.list{border-top:1px solid var(--line)}.material{border:0;border-bottom:1px solid var(--line);cursor:pointer;text-align:left;background:0 0;grid-template-columns:45px minmax(0,1fr) auto 24px;align-items:center;gap:14px;width:100%;min-height:76px;padding:10px 7px;display:grid}.material:hover{background:#fafaf8}.file{--file:#ff7557;background:color-mix(in srgb,var(--file) 13%,white);width:43px;height:48px;color:var(--file);border-radius:9px;place-items:center;display:grid;position:relative}.file small{font-size:7px;font-weight:800;position:absolute;bottom:4px}.material>span:nth-child(2) strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;display:block;overflow:hidden}.material>span:nth-child(2) small{color:#999;margin-top:5px;font-size:11px;display:block}.material em{color:#597043;background:#f0f5ea;border-radius:20px;align-items:center;gap:5px;padding:6px 9px;font-size:10px;font-style:normal;display:flex}.processing{background:#ecece8;border-radius:5px;width:72px;height:5px;overflow:hidden}.processing i{background:var(--accent);width:45%;height:100%;animation:1s infinite load;display:block}@keyframes load{50%{transform:translate(75%)}}.library>header{margin-bottom:27px}.solid{cursor:pointer;align-items:center;gap:8px;display:flex}.solid:disabled{opacity:.4}.search{border:1px solid var(--line);color:#888;background:#fafaf8;border-radius:12px;align-items:center;gap:10px;max-width:620px;height:46px;padding:0 15px;display:flex}.search input{background:0 0;border:0;outline:0;width:100%;font-size:13px}.meta{color:#888;justify-content:space-between;margin:38px 0 7px;font-size:12px;display:flex}.meta button{background:0 0;border:0}.empty{color:#999;place-items:center;gap:8px;padding:70px;display:grid}.empty span{font-size:12px}.subject-filter{flex-wrap:wrap;gap:7px;margin-top:15px;display:flex}.subject-filter button{border:1px solid var(--line);color:#73767e;cursor:pointer;background:#fff;border-radius:20px;padding:7px 12px;font-size:11px}.subject-filter button.active{color:#fff;background:#2c2e34;border-color:#2c2e34}.reader-workspace{grid-column:1/-1}.reader{background:#edede9;grid-template-rows:66px 1fr;min-height:100vh;display:grid}.reader-head{background:#fff;border-bottom:1px solid #ddd;grid-template-columns:42px 1fr 42px;align-items:center;gap:12px;padding:0 18px;display:grid}.reader-head button{background:0 0;border:0;border-radius:10px;place-items:center;width:38px;height:38px;display:grid}.reader-head strong{font-size:13px;display:block}.reader-head small{color:#999;margin-top:3px;font-size:10px;display:block}.reader-grid{grid-template-columns:132px minmax(440px,1fr) minmax(330px,380px);min-height:0;display:grid}.pages{background:#f7f7f4;border-right:1px solid #d9d9d4;padding:19px 13px;overflow:auto}.pages>span{color:#999;font-size:10px}.pages button{background:0 0;border:0;width:100%;margin-top:12px}.pages i{background:#fff;border:1px solid #ddd;flex-direction:column;justify-content:space-between;height:104px;padding:15px 9px;font-style:normal;display:flex}.pages button.active i{outline:2px solid var(--accent);outline-offset:2px}.pages b{text-align:left;font-size:7px}.pages em{background:#e7e7e2;width:65%;height:3px;box-shadow:0 -8px #e7e7e2,0 -16px #e7e7e2}.pages small{color:#888;margin-top:6px;font-size:9px;display:block}.doc{min-width:0;overflow:auto}.doc-tools{color:#777;justify-content:space-between;align-items:center;height:46px;padding:0 21px;font-size:10px;display:flex}.doc-tools div{gap:10px;display:flex}.doc-tools button{background:0 0;border:0}.paper{background:#fff;width:min(720px,100% - 56px);min-height:670px;margin:0 auto 40px;padding:74px 70px;position:relative;box-shadow:0 7px 30px #00000019}.kicker{color:#8e9097;letter-spacing:1.5px;font-size:10px}.paper h2{letter-spacing:-1.8px;margin:28px 0 17px;font:500 48px/1.03 Georgia,serif}.lead{color:#646872;font:19px/1.55 Georgia,serif}.paper-grid{grid-template-columns:1.4fr .75fr;gap:42px;margin-top:54px;display:grid}.paper-grid h3{font-size:15px}.paper-grid p{color:#595e67;font:14px/1.65 Georgia,serif}.highlight{background:#fff2a8;padding:13px 11px;color:#36362f!important;margin:24px -11px 0!important}.paper-grid aside{border-top:3px solid var(--accent);background:#f5f5f1;padding:18px}.paper-grid aside span{color:#999;font-size:9px}.paper-grid aside strong{margin:13px 0 8px;display:block}.paper-grid aside p{font:12px/1.55 Arial,sans-serif}.paper footer{color:#aaa;font-size:10px;position:absolute;bottom:34px;left:70px}.ai{background:#fff;border-left:1px solid #ddd;grid-template-rows:auto 1fr auto;min-height:0;display:grid}.tabs{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:4px;height:54px;padding:8px 12px;display:grid}.tabs button{color:#777;background:0 0;border:0;border-radius:8px;font-size:12px}.tabs button.active{color:#222;background:#f1f1ed;font-weight:620}.ai-body{min-height:0;padding:22px 18px;overflow:auto}.ai-title{align-items:center;gap:10px;display:flex}.ai-title>span{background:var(--lime);border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.ai-title strong{font-size:13px;display:block}.ai-title small{color:#999;margin-top:3px;font-size:10px;display:block}.answer{color:#4f535c;background:#f7f7f4;border-radius:13px;margin-top:17px;padding:16px;font-size:13px;line-height:1.65}.answer p{margin:0 0 11px}.answer ol{padding-left:20px}.citation{color:#6f7279;background:#fff;border:1px solid #e1e1dd;border-radius:7px;align-items:center;gap:5px;margin-top:14px;padding:6px 8px;font-size:10px;display:flex}.options{gap:7px;margin-top:13px;display:grid}.options button{text-align:left;background:#fff;border:1px solid #ddd;border-radius:8px;padding:10px;font-size:11px}.chat>p{color:#fff;background:#2c2e34;border-radius:11px;margin:22px 0 10px 38px;padding:10px 12px;font-size:11px}.chat>div{color:#555;background:#f7f7f4;border-radius:11px;padding:13px;font-size:12px;line-height:1.6}.question{border:1px solid #ddd;border-radius:13px;grid-template-columns:1fr 34px;align-items:end;gap:7px;margin:13px;padding:8px 8px 8px 12px;display:grid}.question textarea{resize:none;border:0;outline:0;font-size:12px}.question button{background:var(--accent);color:#fff;border:0;border-radius:9px;place-items:center;width:33px;height:33px;display:grid}.question button:disabled{background:#ddd}.modal-layer{z-index:50;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#17181c66;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:#fff;border-radius:20px;width:min(430px,100%);padding:31px;position:relative;box-shadow:0 28px 80px #0003}.modal-close{background:0 0;border:0;position:absolute;top:17px;right:17px}.modal-icon{background:var(--purple);border-radius:12px;place-items:center;width:43px;height:43px;display:grid}.modal h2{margin:20px 0 8px;font-size:24px}.modal>p{color:var(--muted);margin:0 0 23px;font-size:13px}.modal label{font-size:12px;font-weight:600}.modal input{border:1px solid #ddd;border-radius:10px;outline:0;width:100%;height:44px;margin-top:7px;padding:0 12px}.submit{justify-content:center;width:100%;height:44px;margin-top:18px}.toast{z-index:80;color:#fff;background:#24262c;border-radius:11px;align-items:center;gap:8px;padding:12px 16px;font-size:12px;display:flex;position:fixed;bottom:24px;right:24px}.feature-page{width:min(1120px,100% - 64px)}.feature-head{justify-content:space-between;align-items:center;margin-bottom:30px;display:flex}.feature-head p{color:#8b8e96;letter-spacing:.8px;text-transform:uppercase;margin:0 0 7px;font-size:11px}.feature-head h1{letter-spacing:-1.3px;margin:0;font-size:36px}.plain-action,.outline-button{border:1px solid var(--line);color:#656971;cursor:pointer;background:#fff;border-radius:9px;padding:10px 13px;font-size:12px}.soft-label{color:#6d7078;letter-spacing:.5px;background:#f0f0ec;border-radius:20px;padding:6px 9px;font-size:10px;font-weight:650;display:inline-flex}.quiet-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:23px}.feature-grid{grid-template-columns:1.15fr .85fr;gap:16px;margin-top:16px;display:grid}.card-head{justify-content:space-between;align-items:flex-start;margin-bottom:22px;display:flex}.card-head p{color:#999ba2;text-transform:uppercase;letter-spacing:.7px;margin:0 0 5px;font-size:10px}.card-head h2{letter-spacing:-.4px;margin:0;font-size:19px}.card-head>span,.card-head button{color:#92949a;background:0 0;border:0;font-size:10px}.card-head>em{color:#5e754a;background:#eff5e9;border-radius:12px;padding:5px 8px;font-size:9px;font-style:normal}.exam-hero{background:#f3f3ef;border-radius:20px;grid-template-columns:190px 1fr;align-items:center;gap:42px;min-height:274px;padding:38px 44px;display:grid}.forecast-ring{--score:260deg;background:conic-gradient(var(--accent) var(--score),#deded8 0);border-radius:50%;place-items:center;width:166px;height:166px;display:grid;position:relative}.forecast-ring:after{content:"";background:#f3f3ef;border-radius:50%;position:absolute;inset:11px}.forecast-ring span{z-index:1;text-align:center}.forecast-ring strong{letter-spacing:-2px;font-size:49px;display:block}.forecast-ring small{color:#82858d;font-size:10px}.exam-hero h2{margin:15px 0 9px;font-size:26px}.exam-hero p{color:#6f737c;max-width:680px;font-size:13px;line-height:1.65}.day-toggle{gap:6px;margin-top:22px;display:flex}.day-toggle button{color:#74777f;background:0 0;border:1px solid #ddddda;border-radius:8px;padding:8px 11px;font-size:10px}.day-toggle button.active{color:#fff;background:#2b2d32;border-color:#2b2d32}.metric-row{border-top:1px solid var(--line);grid-template-columns:110px 1fr 42px;align-items:center;gap:13px;min-height:47px;font-size:11px;display:grid}.metric-row i{background:#ecece8;border-radius:5px;height:5px;overflow:hidden}.metric-row em{border-radius:inherit;height:100%;display:block}.metric-row em.good{background:#7fa36c}.metric-row em.warn{background:#e69a60}.metric-row b{text-align:right}.next-plan>button{border:0;border-top:1px solid var(--line);text-align:left;background:0 0;grid-template-columns:28px 1fr auto;align-items:center;gap:10px;width:100%;min-height:54px;display:grid}.next-plan>button>span{color:#aaa;font-size:10px}.next-plan strong{font-size:12px}.next-plan small{color:#888;font-size:10px}.graph-layout{grid-template-columns:minmax(0,1fr) 255px;gap:16px;display:grid}.knowledge-canvas{border:1px solid var(--line);background:#f6f6f2;border-radius:18px;height:610px;position:relative;overflow:hidden}.graph-toolbar{color:#7e8189;border-bottom:1px solid #e2e2dd;justify-content:space-between;align-items:center;height:46px;padding:0 16px;font-size:10px;display:flex}.graph-toolbar div{align-items:center;gap:9px;display:flex}.graph-toolbar button{background:0 0;border:0}.graph-lines{pointer-events:none;width:100%;height:calc(100% - 46px);position:absolute;inset:46px 0 0}.graph-lines path{fill:none;stroke:#c8c9c3;stroke-width:.24px;stroke-dasharray:1 1}.graph-node{cursor:pointer;background:#fff;border:1px solid #d1d2cc;border-radius:50%;align-content:center;place-items:center;transition:all .18s;display:grid;position:absolute;transform:translate(-50%,-50%);box-shadow:0 7px 20px #25251f0d}.graph-node.sm{width:84px;height:84px}.graph-node.md{width:105px;height:105px}.graph-node.lg{width:128px;height:128px}.graph-node.active{border:3px solid var(--accent);background:#fff9f6}.graph-node strong{font-size:12px}.graph-node small{color:#90939a;margin-top:5px;font-size:9px}.graph-detail{border:1px solid var(--line);background:#fff;border-radius:18px;padding:25px}.graph-detail>p:first-of-type{color:#999;text-transform:uppercase;margin:21px 0 4px;font-size:10px}.graph-detail h2{margin:0 0 25px;font-size:23px}.detail-stat{border-top:1px solid var(--line);justify-content:space-between;padding:12px 0;font-size:11px;display:flex}.graph-detail h3{margin:25px 0 8px;font-size:12px}.detail-copy{color:#767982;font-size:11px;line-height:1.6}.graph-detail .solid{justify-content:center;width:100%;margin-top:15px}.agent-brief{background:#f3f3ef;border-radius:16px;grid-template-columns:42px 1fr auto;align-items:center;gap:16px;min-height:112px;padding:22px 25px;display:grid}.agent-brief>span{background:var(--lime);border-radius:12px;place-items:center;width:42px;height:42px;display:grid}.agent-brief p{color:#92949a;margin:0 0 6px;font-size:10px}.agent-brief h2{max-width:750px;margin:0;font-size:17px;line-height:1.45}.agent-brief em{color:#73767e;background:#e5e5df;border-radius:20px;padding:7px 10px;font-size:10px;font-style:normal}.agent-brief em.running{color:#8b622e;background:#fff0d8}.agent-brief em.done{color:#5b7248;background:#eaf3e4}.agent-layout{grid-template-columns:minmax(0,1fr) 300px;gap:16px;margin-top:16px;display:grid}.agent-network,.trace{border:1px solid var(--line);border-radius:16px;padding:22px}.orchestrator{background:#f5f5f1;border:1px solid #d7d7d1;border-radius:13px;align-items:center;gap:11px;max-width:330px;margin:0 auto 29px;padding:15px;display:flex}.orchestrator>span{color:#fff;background:#2b2d32;border-radius:10px;place-items:center;width:35px;height:35px;display:grid}.orchestrator strong,.agent-card strong{font-size:11px;display:block}.orchestrator small,.agent-card small{color:#91939a;margin-top:4px;font-size:9px;display:block}.agent-grid{grid-template-columns:repeat(2,1fr);gap:9px;display:grid}.agent-card{border:1px solid var(--line);border-radius:11px;grid-template-columns:32px 1fr auto;align-items:center;gap:9px;min-height:70px;padding:12px;display:grid}.agent-card>span{background:#f1f1ed;border-radius:8px;place-items:center;width:31px;height:31px;display:grid}.agent-card em{color:#aaa;font-size:8px;font-style:normal}.agent-card.working{background:#fffaf0;border-color:#e7b974}.agent-card.complete{border-color:#cbdcc1}.trace>p{margin:0 0 16px;font-size:11px;font-weight:650}.trace>div{opacity:.42;grid-template-columns:28px 1fr 8px;align-items:start;gap:9px;min-height:61px;display:grid}.trace>div.active{opacity:1}.trace>div>span{background:#f0f0ec;border-radius:50%;place-items:center;width:24px;height:24px;font-size:8px;display:grid}.trace>div p{margin:1px 0}.trace strong{font-size:10px;display:block}.trace small{color:#92949a;margin-top:3px;font-size:8px;display:block}.trace>div>i{background:#ddd;border-radius:50%;width:7px;height:7px;margin-top:8px}.trace>div.active>i{background:#79a261}.trace footer{border-top:1px solid var(--line);color:#7c7f87;gap:8px;padding-top:14px;font-size:9px;line-height:1.5;display:flex}.teacher-top{border:1px solid var(--line);border-radius:13px;justify-content:space-between;align-items:center;padding:15px 17px;display:flex}.teacher-top>div{align-items:center;gap:10px;display:flex}.teacher-top span{color:#8a8d95;font-size:10px}.teacher-top select{background:0 0;border:0;font-size:12px;font-weight:650}.stat-strip{border:1px solid var(--line);background:#f7f7f4;border-radius:16px;grid-template-columns:repeat(4,1fr);margin:16px 0;display:grid}.stat-strip>div{border-right:1px solid #e4e4df;padding:19px 21px}.stat-strip>div:last-child{border:0}.stat-strip span{color:#8d9097;font-size:10px;display:block}.stat-strip strong{margin-top:9px;font-size:27px;display:inline-block}.stat-strip small{color:#8c8f96;margin-left:5px;font-size:10px}.teacher-grid{grid-template-columns:1.1fr .9fr}.heat-row{border-top:1px solid var(--line);grid-template-columns:130px 1fr;align-items:center;gap:13px;min-height:53px;display:grid}.heat-row strong{font-size:11px;display:block}.heat-row small{color:#999;margin-top:3px;font-size:9px;display:block}.heat-row i{background:#f0f0ec;border-radius:7px;height:7px;overflow:hidden}.heat-row em{border-radius:inherit;background:#e8a06d;height:100%;display:block}.teacher-action{border:0;border-top:1px solid var(--line);text-align:left;background:0 0;grid-template-columns:27px 1fr 17px;align-items:center;gap:10px;width:100%;min-height:57px;display:grid}.teacher-action>span{color:#aaa;font-size:9px}.teacher-action p{margin:0}.teacher-action strong{font-size:11px}.teacher-action small{color:#92949a;margin-top:3px;font-size:9px;display:block}.student-table{margin-top:16px}.table-head,.table-row{grid-template-columns:1fr .8fr .55fr 1.4fr;align-items:center;gap:15px;display:grid}.table-head{color:#999;text-transform:uppercase;padding:9px 8px;font-size:9px}.table-row{border-top:1px solid var(--line);min-height:50px;padding:0 8px;font-size:10px}.score-warn{color:#bd6e3c;font-weight:650}.institution-hero{background:#f2f2ee;border-radius:20px;grid-template-columns:1fr 180px;align-items:center;gap:40px;min-height:260px;padding:37px 40px;display:grid}.institution-hero h2{letter-spacing:-.6px;max-width:720px;margin:16px 0 10px;font-size:26px;line-height:1.3}.institution-hero p{color:#6e727b;max-width:720px;font-size:12px;line-height:1.65}.trust-row{flex-wrap:wrap;gap:16px;margin-top:21px;display:flex}.trust-row span{color:#666a72;align-items:center;gap:5px;font-size:10px;display:flex}.pilot-score{text-align:center;background:#fff;border-radius:50%;align-content:center;place-items:center;height:164px;display:grid}.pilot-score>span{color:#999;font-size:9px}.pilot-score strong{font-size:52px;line-height:1}.pilot-score small{font-size:11px}.pilot-score i{color:#80838b;margin-top:7px;font-size:8px;font-style:normal}.institution-grid{grid-template-columns:1fr 1fr;gap:16px;margin-top:16px;display:grid}.pilot-builder label{margin:19px 0;display:block}.pilot-builder label>span{color:#73767e;justify-content:space-between;font-size:11px;display:flex}.pilot-builder label b{color:#303238}.pilot-builder input{width:100%;accent-color:var(--accent);margin-top:11px}.pilot-includes{grid-template-columns:repeat(2,1fr);gap:10px;margin:23px 0;display:grid}.pilot-includes span{color:#6e727a;align-items:center;gap:6px;font-size:10px;display:flex}.pilot-builder>.solid{justify-content:center;width:100%}.proposal{background:#f8f8f5}.proposal.ready{background:#fff}.proposal-empty{color:#999;text-align:center;align-content:center;place-items:center;gap:10px;min-height:190px;display:grid}.proposal-empty p{max-width:290px;font-size:11px;line-height:1.6}.proposal-price{border-bottom:1px solid var(--line);padding:15px 0 21px}.proposal-price span,.proposal-price small{color:#8b8e95;font-size:10px;display:block}.proposal-price strong{margin:8px 0;font-size:30px;display:block}.proposal-metrics{grid-template-columns:repeat(3,1fr);gap:8px;padding:17px 0;display:grid}.proposal-metrics span{color:#888b92;font-size:8px}.proposal-metrics b{color:#34363c;margin-bottom:4px;font-size:13px;display:block}.proposal .outline-button{width:100%}.objection-card{margin-top:16px}.objection-card details{border-top:1px solid var(--line)}.objection-card summary{cursor:pointer;justify-content:space-between;align-items:center;min-height:51px;font-size:11px;list-style:none;display:flex}.objection-card details p{color:#767982;margin:0 0 17px;font-size:11px;line-height:1.6}@media (max-width:900px){.reader-grid{grid-template-columns:90px minmax(0,1fr)}.ai{z-index:20;width:min(380px,100% - 90px);height:58vh;position:fixed;bottom:0;right:0;box-shadow:-10px -10px 30px #0001}.paper{margin-bottom:58vh}.app-shell{grid-template-columns:78px 1fr}.sidebar{padding:24px 10px}.logo{justify-content:center;padding:0}.logo strong,.logo em,.space-head,.spaces,.usage,.profile>span:nth-child(2),.profile svg{display:none}.role-switch{grid-template-columns:1fr;margin-top:12px}.role-switch button{height:25px;font-size:8px}.sidebar nav button{justify-content:center;font-size:0}.profile{border:0;display:block}.profile>span:first-child{margin:auto}.actions,.feature-grid,.teacher-grid,.institution-grid,.agent-layout,.graph-layout{grid-template-columns:1fr}.graph-detail{grid-template-columns:43px 1fr 1fr;align-items:center;gap:10px;display:grid}.graph-detail>p:first-of-type,.graph-detail h2{margin:0}.graph-detail .detail-stat,.graph-detail h3,.graph-detail .detail-copy,.graph-detail .solid{display:none}.stat-strip{grid-template-columns:repeat(2,1fr)}.stat-strip>div:nth-child(2){border-right:0}.stat-strip>div:nth-child(-n+2){border-bottom:1px solid #e4e4df}.agent-grid{grid-template-columns:1fr 1fr}}@media (max-width:600px){.app-shell{padding-bottom:66px;display:block}.sidebar{z-index:30;border-top:1px solid #ddd;width:100%;height:66px;padding:8px;display:block;position:fixed;top:auto;bottom:0}.logo,.sidebar-foot,.role-switch{display:none}.sidebar nav{grid-template-columns:repeat(auto-fit,minmax(54px,1fr));margin:0}.sidebar nav button{flex-direction:column;gap:3px;height:49px;padding:0;font-size:9px}.sidebar nav button svg{width:17px;height:17px}.page{width:calc(100% - 30px);padding:32px 0 55px}.page h1,.feature-head h1{font-size:29px}.feature-head{align-items:flex-end}.feature-head .solid{width:42px;height:42px;padding:0;font-size:0}.upload{text-align:center;grid-template-columns:1fr;place-items:center;min-height:175px}.upload>b{text-align:center;width:100%}.material{grid-template-columns:43px minmax(0,1fr) 18px}.material em{display:none}.library header .solid{width:42px;height:42px;padding:0;font-size:0}.reader-workspace{padding:0}.reader{grid-template-rows:60px 1fr}.reader-grid{display:block}.pages{display:none}.doc{height:calc(100vh - 60px)}.paper{width:calc(100% - 24px);min-height:590px;margin-bottom:50vh;padding:43px 30px}.paper h2{font-size:36px}.paper-grid{grid-template-columns:1fr;gap:20px;margin-top:35px}.paper footer{left:30px}.ai{width:100%;height:50vh}.reader-head{padding:0 10px}.reader-head>div{min-width:0}.reader-head strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.toast{bottom:78px;right:15px}.exam-hero{text-align:center;grid-template-columns:1fr;padding:26px}.forecast-ring{margin:auto}.day-toggle{justify-content:center}.knowledge-canvas{height:520px}.graph-node.sm{width:67px;height:67px}.graph-node.md{width:82px;height:82px}.graph-node.lg{width:100px;height:100px}.graph-node strong{font-size:9px}.agent-brief{grid-template-columns:42px 1fr}.agent-brief>em{display:none}.agent-grid{grid-template-columns:1fr}.teacher-top{align-items:flex-start;gap:10px}.teacher-top>div{display:grid}.table-head,.table-row{grid-template-columns:1fr .8fr .6fr}.table-head span:last-child,.table-row span:last-child{display:none}.institution-hero{grid-template-columns:1fr;padding:27px}.pilot-score{display:none}.institution-hero h2{font-size:22px}.trust-row{display:grid}.pilot-includes{grid-template-columns:1fr}.proposal-metrics{grid-template-columns:1fr 1fr 1fr}.auth-shell{padding:0 20px;display:block}.auth-card{width:100%;padding:28px 0}.auth-copy{margin:62px 0 28px}.auth-copy h1{font-size:31px}.auth-aside{display:none}.demo-badge{top:9px;right:9px}}:root{--green:#0b5d3b}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button,input,textarea,select{font:inherit}select{color:inherit}:is(button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible){outline-offset:3px;outline:2px solid var(--green)!important}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:150;background:#fff;padding:12px;position:fixed;top:-60px;left:16px}.skip-link:focus{top:8px}.icon-button{background:0 0;border:0;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;padding:0;display:inline-flex}.icon-button:hover{background:var(--nav)}.text-button{color:#626770;background:0 0;border:0;justify-content:center;align-items:center;gap:5px;padding:8px 6px;font-size:12px;display:inline-flex}.text-button:hover{color:var(--ink)}.solid{min-height:42px}.inline-error{overflow-wrap:anywhere;background:#fff2ed;border-radius:8px;padding:12px;color:#a13b2b!important;font-size:13px!important;line-height:1.7!important}.service-note,.demo-note,.save-note{color:#737469;overflow-wrap:anywhere;background:#f5f5ee;border-radius:9px;padding:12px;font-size:12px;line-height:1.7}.scope-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.mode-banner{border-bottom:1px solid var(--line);color:#777a70;background:#f8f8f3;justify-content:center;align-items:center;gap:8px;min-height:33px;padding:8px 18px;font-size:11px;line-height:1.6;display:flex}.connection-banner{overflow-wrap:anywhere;background:#fff7e7;padding:14px 24px;font-size:13px;line-height:1.7}.connection-banner button{background:0 0;border:0;margin-left:12px;text-decoration:underline}.mode-banner+.page{padding-top:28px}.sidebar{padding-top:24px}.sidebar .logo{margin-bottom:13px}.sidebar nav button{position:relative}.sidebar nav button small{color:#90938b;margin-left:auto;font-size:9px;font-weight:400}.sidebar nav button.active{box-shadow:none}.sidebar nav{margin-bottom:32px}.spaces{max-height:34vh;overflow:auto}.spaces button{min-height:39px}.spaces button>span{white-space:nowrap;text-overflow:ellipsis;max-width:160px;overflow:hidden}.new-workspace{color:#6f756b;background:0 0;border:1px dashed #d5d7cd;border-radius:9px;align-items:center;gap:9px;margin:10px 4px;padding:10px;font-size:12px;display:flex}.storage-note{color:#656c61;align-items:center;gap:9px;margin:20px 10px;font-size:12px;display:flex}.storage-note small{color:#989c93;margin-top:5px;font-size:10px;display:block}.user-menu{position:relative}.user-menu summary{cursor:pointer;list-style:none}.user-menu summary::-webkit-details-marker{display:none}.user-menu>div{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:12px;padding:16px;font-size:12px;line-height:1.6;position:absolute;bottom:65px;left:0;right:0}.profile strong,.profile small{text-overflow:ellipsis;white-space:nowrap;max-width:145px;overflow:hidden}.profile>span:first-child{color:#3e5038;background:#e3e7dc}.workspace-context{justify-content:space-between;align-items:center;gap:12px;margin-bottom:43px;display:flex}.workspace-context>label{color:#888d83;align-items:center;gap:7px;display:flex}.workspace-context select{color:#777d72;background:0 0;border:0;max-width:250px;padding:8px 3px;font-size:12px}.workspace-context>div{gap:9px;display:flex}.page>header{margin-bottom:30px}.home h1{letter-spacing:-1px;font-size:clamp(28px,3vw,38px);font-weight:600}.home header p{margin-bottom:14px}.upload{text-align:left;background:#fcfcfa;border-color:#dfe0d8;border-radius:16px;transition:background .2s,border-color .2s}.upload:hover{background:#f8f9f3;border-color:#aeb6a2}.upload>b{justify-content:center;align-items:center;gap:8px;display:flex}.upload-icon{color:var(--accent);background:#fff0eb}.home .actions{margin:26px 0 45px}.actions>button{min-height:100px;padding:20px 17px}.actions small{font-size:11px}.section-title h2{font-size:22px;font-weight:600}.section-title>button{align-items:center;gap:8px;display:flex}.material-list{border-top:1px solid var(--line)}.material-line{border-bottom:1px solid var(--line);align-items:center;min-height:93px;transition:background .15s;display:flex}.material-line:hover{background:#fcfcf9}.material-open{text-align:left;background:0 0;border:0;flex:1;align-items:center;gap:16px;min-width:0;padding:15px 3px;display:flex}.pdf-file{color:#cf6b4b;background:#fff5f0;border:1px solid #f1ddd3;border-radius:9px;align-content:center;place-items:center;gap:3px;width:44px;min-width:44px;height:51px;display:grid}.pdf-file small{letter-spacing:1px;font-size:8px;font-weight:600}.material-name{flex:1;min-width:0}.material-name>strong{white-space:nowrap;text-overflow:ellipsis;margin-bottom:7px;font-size:14px;font-weight:550;display:block;overflow:hidden}.material-name>small{color:#8a8d86;font-size:11px;display:block}.status{color:#7d8076;white-space:nowrap;background:#f1f1ed;border-radius:5px;align-items:center;gap:5px;padding:4px 7px;font-size:10px;font-style:normal;display:inline-flex}.material-name .status{margin-top:8px}.status-ready,.ready-label{color:#647d4e;background:#edf3e7}.status-ready:before{content:"✓";font-size:10px}.status-failed{color:#a75541;background:#fff0ea}.status-needs_ocr{color:#9b7939;background:#faf3e4}.status-processing{color:#757359;background:#f4f3e7}.material-menu{color:#96998f}.home-footer{color:#9b9e94;justify-content:center;align-items:center;gap:7px;margin-top:46px;font-size:11px;display:flex}.library-controls{justify-content:space-between;gap:12px;margin:20px 0;display:flex}.library-controls label{color:#8a8d85;font-size:11px}.library-controls select{border:1px solid var(--line);background:#fafaf7;border-radius:8px;margin-left:9px;padding:9px 25px 9px 10px;font-size:12px}.search input{min-width:0}.list-meta{color:#96998e;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:11px;display:flex}.pagination{justify-content:center;align-items:center;gap:18px;margin-top:24px;font-size:12px;display:flex}.pagination button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 16px}.empty{color:#8a8f81;text-align:center;gap:12px;min-height:260px}.empty strong{color:#4b5344;font-size:16px}.empty span,.empty p{font-size:13px;line-height:1.7}.empty .outline-button{margin-top:8px}.loading-list{color:#909489;gap:16px;font-size:13px;display:grid}.loading-list>span{background:#f5f6f0;border-radius:12px;height:74px}.dialog{border:1px solid var(--line);width:min(460px,100vw - 32px);max-height:85dvh;color:var(--ink);box-shadow:var(--shadow);border-radius:20px;padding:30px;overflow:auto}.dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#22251e55}.dialog h2{letter-spacing:-.6px;margin:3px 30px 17px 0;font-size:24px}.dialog p{color:#797d72;font-size:13px;line-height:1.75}.dialog label{font-size:12px;font-weight:500;display:block}.dialog input:not([type=radio]),.dialog select{background:#fff;border:1px solid #dedfd7;border-radius:9px;width:100%;margin-top:9px;padding:12px;font-size:14px;display:block}.dialog .submit{margin-top:20px}.dialog-actions{justify-content:flex-end;align-items:center;gap:10px;margin-top:25px;display:flex}.danger-button{color:#fff;background:#ac4d36;border:0;border-radius:9px;padding:12px 18px;font-size:13px}.danger-text{color:#a45743}.dropzone{color:#7d886c;background:#fafbf6;border:1px dashed #cccfc2;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:15px;width:100%;min-height:185px;margin-top:20px;padding:20px;display:flex}.dropzone strong{overflow-wrap:anywhere;font-size:14px;font-weight:500}.dropzone small{color:#909987;font-size:11px}.dropzone.dragging{border-color:var(--green);background:#edf4e4}.detail-file{align-items:center;gap:12px;margin:23px 0 15px;display:flex}.detail-file>strong{overflow-wrap:anywhere;font-size:14px}.material-metadata{border-top:1px solid var(--line);padding-top:9px}.material-metadata>div{justify-content:space-between;gap:20px;margin:12px 0;font-size:12px;display:flex}.material-metadata dt{color:#94978e}.material-metadata dd{text-align:right;overflow-wrap:anywhere;margin:0}.upload-tray{z-index:70;border:1px solid var(--line);width:350px;max-width:calc(100vw - 30px);box-shadow:var(--shadow);background:#fff;border-radius:15px;padding:17px 20px;position:fixed;bottom:25px;right:24px}.upload-tray>div{align-items:center;gap:9px;display:flex}.upload-tray strong{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;overflow:hidden}.upload-tray p{color:#777d71;overflow-wrap:anywhere;font-size:12px;line-height:1.7}.upload-tray progress{width:100%;height:5px;accent-color:var(--accent)}.upload-tray.failed{border-color:#e9b9a9}.upload-tray~.toast{bottom:210px}.toast{overflow-wrap:anywhere;max-width:calc(100vw - 30px);line-height:1.6}.prototype-notice{background:#f5f5ee;border:1px solid #e5e6da;border-radius:12px;margin:28px 32px;padding:21px 25px}.prototype-notice strong{color:#676f5a;font-size:15px}.prototype-notice p{color:#909581;margin-bottom:0;font-size:12px;line-height:1.8}.prototype-notice button{margin-top:16px}.prototype-label{color:#909581;margin:25px 32px;font-size:12px}.prototype-notice+.feature-page{padding-top:12px}.mobile-topbar{display:none}.eyebrow{color:#788367;font-size:12px}.app-shell.is-reading{padding-bottom:0;display:block}.study-reader{flex-direction:column;height:calc(100dvh - 34px);min-height:580px;display:flex}.workspace:not(:has(>.mode-banner)) .study-reader{height:100dvh}.study-header{border-bottom:1px solid var(--line);background:#fff;flex-shrink:0;align-items:center;gap:13px;height:70px;padding:12px 22px;display:flex}.study-header>div{flex:1;min-width:0}.study-header strong{text-overflow:ellipsis;white-space:nowrap;font-size:14px;display:block;overflow:hidden}.study-header small{color:#96998f;margin-top:5px;font-size:11px;display:block}.ready-label{border-radius:5px;padding:6px 9px;font-size:10px}.study-grid{flex:1;grid-template-columns:minmax(0,1fr) 380px;min-height:0;display:grid}.reading-area{background:#f0f1eb;flex-direction:column;min-width:0;min-height:0;display:flex}.reading-toolbar{border-bottom:1px solid var(--line);color:#74786d;background:#f8f8f4;justify-content:space-between;gap:10px;min-height:55px;padding:7px 18px;font-size:12px;display:flex}.reading-toolbar>div{align-items:center;gap:5px;display:flex}.reading-toolbar input{text-align:center;-moz-appearance:textfield;background:#fff;border:1px solid #dedfd8;border-radius:6px;width:39px;padding:5px 2px}.reading-toolbar input::-webkit-inner-spin-button{-webkit-appearance:none;appearance:none}.zoom-reset{background:0 0;border:0;padding:8px 5px;font-size:11px}.pdf-layout{flex:1;min-width:0;min-height:0;display:flex}.pdf-thumbnails{background:#f5f5f0;border-right:1px solid #e0e1da;flex-shrink:0;width:123px;padding:8px 12px 30px;overflow:auto}.pdf-thumbnails>p{color:#8d9183;text-align:center;font-size:11px}.pdf-thumbnails>button{color:#929585;background:0 0;border:2px solid #0000;border-radius:5px;flex-direction:column;align-items:center;gap:7px;width:100%;margin:12px 0;padding:4px 2px;font-size:10px;display:flex}.pdf-thumbnails>button.selected{color:#a66248;border-color:#f2815e}.thumbnail-paper{background:#fff;min-width:89px;min-height:126px}.pdf-viewport{flex-direction:column;flex:1;align-items:safe center;gap:18px;min-width:0;padding:32px 24px 65px;display:flex;position:relative;overflow:auto}.pdf-paper{background:#fff;flex-shrink:0;position:relative;box-shadow:0 10px 35px #282e1812}.pdf-paper canvas{display:block}.pdf-paper .textLayer{opacity:1;position:absolute;inset:0}.pdf-paper .textLayer .citation-highlight{background:#e5ed7499;border-radius:2px}.locator-status{color:#718349;z-index:5;background:#f8faeb;border:1px solid #dfe5c6;border-radius:9px;max-width:560px;padding:10px 15px;font-size:12px;line-height:1.6;position:sticky;bottom:0;left:0}.pdf-fallback{color:#87917c;text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:30px;font-size:13px;line-height:1.8;display:flex}.study-panel{border-left:1px solid var(--line);background:#fff;flex-direction:column;min-height:0;display:flex}.readiness-card{border-bottom:1px solid var(--line);background:#fbfcf8;padding:13px 18px;font-size:12px;line-height:1.7}.readiness-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.readiness-head strong{color:#5f6755;font-size:12px}.readiness-badge{color:#7d8474;white-space:nowrap;background:#eceee6;border-radius:99px;padding:3px 8px;font-size:10px}.readiness-card[data-level=ready] .readiness-badge{color:#5d7c46;background:#e5f0dd}.readiness-card[data-level=reading] .readiness-badge{color:#4a6f96;background:#e4edf7}.readiness-card[data-level=review_needed] .readiness-badge{color:#9a7a33;background:#faf0d8}.readiness-card[data-level=not_ready] .readiness-badge{color:#a15741;background:#f9e5de}.readiness-card p{color:#7a7f73;margin:7px 0 0}.readiness-card small{color:#9aa08f;margin-top:6px;display:block}.readiness-badge.ready{color:#5d7c46;background:#e5f0dd}.readiness-badge.reading{color:#4a6f96;background:#e4edf7}.readiness-badge.review_needed{color:#9a7a33;background:#faf0d8}.readiness-badge.not_ready{color:#a15741;background:#f9e5de}.readiness-badge.not_started{color:#7d8474;background:#eceee6}.feature-select{border:1px solid var(--line);background:#fafbf7;border-radius:8px;max-width:300px;padding:9px 12px;font-size:12px}.readiness-list{flex-direction:column;gap:10px;display:flex}.readiness-row{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;align-items:center;gap:12px;width:100%;padding:14px;font-size:13px;display:flex}.readiness-row:hover{background:#fafcf6;border-color:#c3cfb0}.readiness-file{color:#cf6b4b;background:#fff5f0;border:1px solid #f1ddd3;border-radius:9px;flex-shrink:0;place-items:center;width:40px;height:48px;display:grid}.readiness-info{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.readiness-info strong{color:#4b5344;text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.readiness-info small{color:#7a8271;font-size:11px;line-height:1.5}.readiness-info em{color:#9aa08f;font-size:10px;font-style:normal}.graph-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:4px;display:flex}.graph-head strong{color:#5f6755;font-size:12px}.graph-map{width:100%;height:auto;margin:0 auto 4px;display:block}.graph-edge{stroke:#d7dbc9;stroke-width:1.2px}.graph-node circle{fill:#eef3e6;stroke:#b6c4a4;stroke-width:1.2px;cursor:pointer}.graph-node text{fill:#6f7a62;pointer-events:none;font-size:10px}.graph-node.selected circle{fill:#dbe9c9;stroke:#7d9a5f}.graph-node.hub circle{fill:#e2ecd3;stroke:#93ab79;stroke-width:1.6px}.graph-edge.hot line{stroke:#7d9a5f;stroke-width:2px}.graph-edge-label{fill:#8b937c;stroke:#fff;stroke-width:2.4px;paint-order:stroke;pointer-events:none;font-size:8px}.graph-links{margin-top:10px}.graph-link{text-align:left;color:#5c6552;cursor:pointer;background:#fff;border:1px solid #e3e6d9;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;width:100%;margin:5px 0;padding:7px 9px;font-size:11px;display:flex}.graph-link:hover{background:#fafcf6;border-color:#c3cfb0}.graph-link>span{flex-wrap:wrap;gap:5px;min-width:0;display:flex}.graph-link>em{color:#9aa08f;white-space:nowrap;font-size:9px;font-style:normal}.graph-detail{background:#f6f7f2;border-radius:12px;margin:6px 0 12px;padding:12px}.graph-detail>strong{color:#4d5a41;font-size:13px}.graph-detail>p{color:#7a8271;margin:6px 0 10px;font-size:12px;line-height:1.7}.graph-hint{color:#9aa08f;text-align:center;margin:2px 0 10px;font-size:11px}.graph-list h4{color:#8a9180;margin:14px 0 6px;font-size:11px;font-weight:600}.graph-row{text-align:left;color:#5c6552;background:#fff;border:1px solid #e3e6d9;border-radius:9px;justify-content:space-between;align-items:center;gap:10px;width:100%;margin:6px 0;padding:9px 10px;font-size:12px;display:flex}.graph-row:hover{background:#fafcf6;border-color:#c3cfb0}.graph-row>span{flex-direction:column;gap:3px;min-width:0;display:flex}.graph-row small{color:#969b8c;font-size:10px;line-height:1.5}.graph-row>em{color:#9aa08f;white-space:nowrap;font-size:10px;font-style:normal}.graph-row .graph-relation{color:#7d9a5f;white-space:normal;margin:0 5px;display:inline}.learning-empty>span.graph{background:#e6efdc}.course-form{border:1px solid var(--line);background:#fafbf6;border-radius:12px;align-items:center;gap:9px;margin:-14px 0 22px;padding:14px;display:flex}.course-form input{background:#fff;border:1px solid #dedfd7;border-radius:9px;flex:1;min-width:0;padding:11px 12px;font-size:13px}.course-form .solid{flex-shrink:0}.course-form.join{margin:0 0 18px}.course-group{margin-top:22px}.course-item{border-top:1px solid var(--line)}.course-open{text-align:left;background:0 0;border:0;align-items:center;gap:12px;width:100%;padding:15px 2px;font-size:13px;display:flex}.course-open strong{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.course-open small{color:#969b8c;font-size:10px}.course-badge{color:#647d4e;white-space:nowrap;background:#eef3e6;border-radius:99px;padding:3px 7px;font-size:9px}.course-badge.student{color:#5b7390;background:#eef2f7}.course-detail{padding:2px 2px 16px}.invite-line{color:#5f6b52;background:#f3f6eb;border-radius:11px;justify-content:space-between;align-items:center;gap:10px;margin:6px 0 12px;padding:11px 14px;font-size:12px;display:flex}.invite-line b{letter-spacing:2px;color:#3f542f;font-size:15px}.course-note{color:#92978a;background:#f7f7f3;border-radius:9px;margin:10px 0;padding:11px;font-size:12px;line-height:1.7}.roster-table{margin-top:14px}.roster-head{color:#999;text-transform:uppercase;border-bottom:1px solid var(--line);grid-template-columns:1.6fr .6fr .6fr .7fr .6fr 1fr;gap:10px;padding:8px 10px;font-size:9px;display:grid}.roster-row{border-bottom:1px solid var(--line);color:#5c6552;grid-template-columns:1.6fr .6fr .6fr .7fr .6fr 1fr;align-items:center;gap:10px;min-height:44px;padding:0 10px;font-size:11px;display:grid}.roster-row span:first-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.study-tabs{border-bottom:1px solid var(--line);gap:4px;padding:12px 18px;display:flex}.study-tabs button{color:#96998f;background:0 0;border:0;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:7px;padding:12px 8px;font-size:12px;display:flex}.study-tabs button.active{color:#4d623a;background:#f0f3e8;font-weight:600}.scope-controls{border-bottom:1px solid var(--line);flex-shrink:0;padding:4px 20px 14px}.scope-controls>p{color:#83916f;align-items:center;gap:7px;font-size:11px;display:flex}.scope-controls em{color:#909781;background:#eeefe9;border-radius:4px;margin-left:auto;padding:2px 5px;font-size:9px;font-style:normal}.scope-controls label{color:#8a8f81;justify-content:space-between;align-items:center;gap:10px;margin-top:9px;font-size:11px;display:flex}.scope-controls select,.scope-controls input{border:1px solid var(--line);background:#fafbf7;border-radius:6px;max-width:190px;padding:6px 8px;font-size:11px}.quiz-settings{gap:15px;display:flex}.quiz-settings label{flex:1}.quiz-settings select{max-width:100px}.study-messages{scroll-behavior:smooth;flex:1;min-height:0;padding:16px 21px 26px;overflow:auto}.learning-empty{flex-direction:column;align-items:flex-start;padding:33px 0;display:flex}.learning-empty>span{background:var(--lime);border-radius:13px;place-items:center;width:45px;height:45px;display:grid}.learning-empty>span.summary{background:var(--purple)}.learning-empty>span.quiz{background:var(--blue)}.learning-empty h3{letter-spacing:-.4px;margin:19px 0 7px;font-size:19px;font-weight:550}.learning-empty p{color:#92978a;margin:0;font-size:12px;line-height:1.8}.suggested-question{border:1px solid var(--line);background:#fafbf6;border-radius:9px;justify-content:space-between;gap:15px;width:100%;margin-top:22px;padding:13px;font-size:12px;display:flex}.learning-entry{border-bottom:1px solid var(--line);padding:16px 0 22px}.learning-entry>h3{white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 6px;font-size:14px;line-height:1.7}.learning-entry>small{color:#969b8c;font-size:10px}.evidence-answer{background:#f6f7f2;border-radius:12px;margin-top:12px;padding:14px}.evidence-answer>p{white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 17px;font-size:13px;line-height:1.9}.evidence-answer>small{color:#999e92;overflow-wrap:anywhere;font-size:9px;display:block}.source-card{text-align:left;color:#7b866b;background:#fff;border:1px solid #e3e6d9;border-radius:8px;width:100%;margin:10px 0;padding:10px;display:block}.source-card>span{overflow-wrap:anywhere;align-items:center;gap:5px;font-size:10px;line-height:1.6;display:flex}.source-card>span svg:last-child{flex-shrink:0;margin-left:auto}.source-card q{color:#939b89;margin-top:7px;font-size:10px;line-height:1.7;display:block}.study-composer{background:#fff;border:1px solid #dbdfd1;border-radius:12px;margin:0 17px 17px;padding:10px 12px;box-shadow:0 3px 16px #34401405}.study-composer textarea{resize:vertical;background:0 0;border:0;outline:none;width:100%;max-height:150px;padding:6px 2px;font-size:13px;line-height:1.6}.study-composer>div{justify-content:flex-end;align-items:center;display:flex}.study-composer small{color:#a1a692;font-size:10px}.send-button{background:var(--accent);color:#fff;border:0;border-radius:8px;place-items:center;width:36px;height:36px;display:grid}.study-composer>.solid{justify-content:center;width:100%}.study-composer:has(>.solid){border:0;padding:0}.generation-state{color:#879277;align-items:center;gap:9px;padding:15px 0;font-size:12px;display:flex}.generation-state button{margin-left:auto}.spinner{border:2px solid #d6dccb;border-top-color:#718958;border-radius:50%;width:12px;height:12px;animation:.9s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.quiz-questions fieldset{border:0;margin:24px 0;padding:0}.quiz-questions legend{margin-bottom:10px;font-size:13px;line-height:1.7}.quiz-questions fieldset label{border:1px solid var(--line);cursor:pointer;border-radius:8px;align-items:center;gap:7px;margin:8px 0;padding:11px 9px;font-size:12px;line-height:1.6;display:flex}.quiz-questions fieldset label.selected{background:#f1f6e9;border-color:#a6b695}.quiz-questions input{accent-color:var(--green)}.quiz-result{background:#f4f7ed;border-radius:12px;padding:13px;font-size:12px;line-height:1.8}.quiz-result>strong{color:#5f7948}.quiz-result .source-card{background:#fff}@media (min-width:1200px){.material-name{grid-template-columns:minmax(0,1fr) auto;align-items:center;display:grid}.material-name>strong,.material-name>small{grid-column:1}.material-name>.status{grid-area:1/2/3;margin:0 20px 0 10px}.study-grid{grid-template-columns:minmax(0,1fr) 400px}}@media (max-width:1100px){.pdf-thumbnails{width:104px;padding-left:4px;padding-right:4px}.study-grid{grid-template-columns:minmax(0,1fr) 340px}.pdf-viewport{padding:22px 15px}.page{width:calc(100% - 48px)}.actions>button{padding:16px 10px}}@media (min-width:601px) and (max-width:900px){.sidebar nav button>span,.sidebar nav button>small,.new-workspace,.storage-note{display:none}.sidebar nav button{padding:0}.sidebar-foot .user-menu>div{z-index:40;width:200px}.workspace-context{margin-bottom:28px}}@media (max-width:800px){.study-grid{grid-template-columns:minmax(0,1fr) 310px}.pdf-thumbnails{display:none}.reading-toolbar{gap:0;padding:6px}.reading-toolbar .icon-button{width:30px}.study-header,.study-tabs{padding:10px}.scope-controls{padding:4px 15px 12px}.study-messages{padding:10px 15px}.study-composer{margin:0 12px 12px}.workspace-context select{max-width:190px}}@media (max-width:600px){.mobile-topbar{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;height:61px;padding:0 16px;display:flex}.mobile-topbar .logo,.auth-card .logo,.boot-screen .logo{justify-content:flex-start;display:flex}.mobile-topbar .logo strong,.auth-card .logo strong,.boot-screen .logo strong{display:block}.sidebar{height:68px}.sidebar nav button>small{display:none}.sidebar nav button>span{font-size:10px;display:block}.sidebar .new-workspace,.sidebar .storage-note{display:none}.sidebar.mobile-open{height:auto;max-height:70dvh;box-shadow:var(--shadow);border-bottom:1px solid var(--line);padding:20px;inset:61px 0 auto;overflow:auto}.sidebar.mobile-open .role-switch{grid-template-columns:repeat(3,1fr);margin:0;display:grid}.sidebar.mobile-open nav{margin:16px 0}.sidebar.mobile-open .space-head{margin-top:20px;display:flex}.sidebar.mobile-open .spaces{display:grid}.sidebar.mobile-open .new-workspace{display:flex}.sidebar.mobile-open .sidebar-foot{display:block}.sidebar.mobile-open .profile{display:grid}.sidebar.mobile-open .profile>span:nth-child(2){display:block}.sidebar.mobile-open .spaces>button{min-height:43px;font-size:13px}.sidebar.mobile-open .logo{display:none}.mode-banner{text-align:center;padding:8px 13px;font-size:10px}.page,.feature-page{width:calc(100% - 32px);padding-top:24px}.mode-banner+.page{padding-top:16px}.workspace-context{gap:8px;margin-bottom:27px}.workspace-context>div{gap:3px}.workspace-context select{max-width:140px}.workspace-context .text-button{font-size:11px}.home h1{letter-spacing:-.6px;max-width:280px;font-size:28px;line-height:1.35}.page>header{gap:10px}.page>header .circle{flex-shrink:0;width:38px;height:38px}.home .actions{gap:10px;margin:20px 0 32px}.actions>button{min-height:80px;padding:17px}.upload{gap:15px;min-height:203px;padding:23px}.upload>b{width:auto;padding:10px 23px}.upload>span>small{font-size:11px}.material-line{min-height:104px}.material-open{gap:10px}.material-name>strong{font-size:12px}.material-name>small{font-size:10px}.material-open>svg{display:none}.material-menu{width:29px}.pdf-file{width:37px;min-width:37px;height:45px}.library header .solid{width:auto;padding:10px 12px;font-size:11px}.library-controls{flex-wrap:wrap;gap:8px}.library-controls select{margin-left:5px;padding:10px 7px;font-size:11px}.dialog{padding:25px 22px}.dialog h2{font-size:22px}.upload-tray{bottom:82px;right:15px}.upload-tray~.toast{bottom:250px}.prototype-notice{margin:18px 16px;padding:18px}.study-reader{height:calc(100dvh - 49px);min-height:680px}.study-grid{grid-template-rows:45% 55%;grid-template-columns:1fr;display:grid}.study-header{height:60px}.study-header strong{font-size:12px}.study-panel{border-top:1px solid #d7dcce;border-left:0;box-shadow:0 -5px 25px #202b1510}.reading-toolbar{height:47px;min-height:47px;padding:3px 9px}.pdf-viewport{padding:15px 12px 30px}.study-tabs{padding:6px 14px}.study-tabs button{padding:9px 8px}.scope-controls{padding:0 15px 8px}.scope-controls>p{margin:7px 0}.scope-controls label{margin-top:4px}.study-messages{padding:8px 15px 16px}.learning-empty{padding:12px 0}.learning-empty h3{margin-top:11px;font-size:17px}.learning-empty>span{width:33px;height:33px}.study-composer textarea{min-height:45px;max-height:90px}.study-composer{margin-bottom:9px;padding:6px 10px}.study-composer small{font-size:9px}.study-panel .demo-note{margin-top:3px;padding:7px;font-size:10px}.quiz-settings{margin-bottom:0}.study-composer textarea{resize:none}.study-header .ready-label{font-size:9px}.locator-status{font-size:11px}.home-footer{margin-top:30px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.literature-tutor{border-bottom:1px solid var(--line);background:#fcfcf8;flex-shrink:0;padding:12px 20px}.literature-tutor>span{color:#506a40;font-size:12px;font-weight:600}.literature-tutor>p{color:#929988;margin:6px 0 10px;font-size:11px;line-height:1.6}.literature-tutor>div{gap:7px;margin-top:10px;display:flex}.literature-tutor button{color:#748263;background:#fff;border:1px solid #e0e5d7;border-radius:7px;flex:1;padding:8px 4px;font-size:11px}.source-locate{text-align:left;width:100%;color:inherit;background:0 0;border:0;padding:0}.source-locate>span{align-items:center;gap:6px;font-size:10px;line-height:1.6;display:flex}.source-locate>span svg{flex-shrink:0}.source-locate>span svg:last-child{margin-left:auto}.source-locate>p{margin:9px 0 3px;font-size:12px;line-height:1.8}.source-original{border-top:1px solid var(--line);margin-top:7px;padding-top:7px}.source-original>summary{color:#909982;cursor:pointer;font-size:10px}.source-original>q{overflow-wrap:anywhere}@media (max-width:600px){.literature-tutor{padding:7px 15px}.literature-tutor>p{display:none}.literature-tutor>span{font-size:10px}.literature-tutor>div{margin-top:6px}.literature-tutor button{padding:6px 3px;font-size:10px}.study-grid{grid-template-rows:38% 62%}}.about-keke-link{color:#7c8d6c;justify-content:space-between;align-items:center;margin:12px 10px;padding:9px 0;font-size:12px;text-decoration:none;display:flex}.about-keke-link:hover{color:#0b5d3b}@media (min-width:601px) and (max-width:900px){.about-keke-link{flex-direction:column;gap:5px;margin:10px 0;font-size:10px}}.mode-banner{color:#5e6d4f;line-height:1.6}.prototype-notice strong{font-size:13px;font-weight:600}.prototype-notice p{color:#737d65}.feature-head h1{font-weight:600;line-height:1.35}.card-head h2{line-height:1.5}.setup-file-picker{position:relative}.setup-file-picker>span{overflow-wrap:anywhere;cursor:pointer;color:#526b42;background:#fafbf6;border:1px dashed #c8cdbd;border-radius:9px;margin-top:8px;padding:12px;display:block}.setup-file-picker:focus-within>span{outline-offset:3px;outline:2px solid #547744}