:root{color-scheme:light;--bg:#f7f8fa;--paper:#fff;--ink:#213b4b;--muted:#78858e;--line:#e5eaed;--hover:#eef3f6;--blue:#096697;--blue-soft:#edf5f9;--green:#487964;--green-soft:#edf5f0;--amber:#a67b32;--amber-soft:#fbf5e8;--red:#b46c57;--red-soft:#fcf0eb;--shadow:0 12px 35px #22384908}
html[data-theme=dark]{color-scheme:dark;--bg:#1b1b1a;--paper:#232322;--ink:#e6e4df;--muted:#a39f98;--line:#343432;--hover:#2e2e2b;--blue:#9bc7dc;--blue-soft:#28373d;--green:#94baa5;--green-soft:#29382f;--amber:#cfb07a;--amber-soft:#373225;--red:#d79d88;--red-soft:#3b2d27;--shadow:none}
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10px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:13px 12px;background:transparent;text-align:left;border-radius:9px;margin-bottom:4px;font-size:13px;transition:background .18s,color .18s}.nav-item:hover{background:var(--hover)}.nav-item.active{background:var(--blue-soft);color:var(--blue);font-weight:600}.sidebar-bottom{margin-top:auto}.demo-note{padding:18px 12px}.demo-note p{font-size:11px;color:var(--muted);line-height:1.8}.demo-pill{display:inline-block;font-size:10px;letter-spacing:.6px;padding:4px 9px;border:1px solid var(--line);border-radius:5px;color:var(--muted);white-space:nowrap}.back-link{display:block;font-size:12px;padding:12px;color:var(--muted)}.teacher{border-top:1px solid 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14px}h1{font-family:Georgia,serif;font-weight:400;font-size:40px;letter-spacing:-1.3px;line-height:1.13;margin:0}h2,h3,p{margin-top:0}h2{font-size:19px;font-weight:600;letter-spacing:-.3px;margin-bottom:9px}.intro{font-size:13px;color:var(--muted);margin:14px 0 0}.session-actions{display:flex;flex-direction:column;align-items:flex-end;gap:13px}.session-time{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.session-time strong{font-variant-numeric:tabular-nums;color:var(--ink);font-weight:500;margin-left:7px}.live-dot,.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);flex-shrink:0}.live-dot{box-shadow:0 0 0 4px var(--green-soft)}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:10px 15px;font-size:12px;font-weight:500;transition:background .2s,transform 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svg{width:14px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:32px}.metrics article{background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:20px 22px}.metrics article>span{font-size:12px;color:var(--muted)}.metrics article>div{display:flex;align-items:baseline;gap:10px;margin:8px 0}.metrics strong{font-size:33px;font-weight:500;letter-spacing:-1px;font-variant-numeric:tabular-nums}.metrics small,.metrics p{color:var(--muted);font-size:10px}.metrics p{margin-bottom:0}.dashboard-columns{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:28px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.section-heading p{font-size:12px;color:var(--muted);margin:0}.section-heading h2{margin-bottom:4px}.subtle-pill{font-size:10px;color:var(--muted);border:1px solid var(--line);padding:4px 10px;border-radius:20px;white-space:nowrap}.group-heading{display:flex;align-items:center;gap:8px;margin:22px 0 12px}.group-heading h3{font-size:11px;font-weight:600;margin:0}.group-count{font-size:10px;color:var(--muted);margin-left:auto}.status-dot.review{background:var(--red)}.status-dot.away{background:var(--amber)}.student-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.student-card{text-align:left;width:100%;border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:16px;box-shadow:var(--shadow);transition:transform .2s,border-color .2s,background .2s;animation:arrive .3s ease both}.student-card:hover{transform:translateY(-2px);border-color:var(--muted)}.student-card[data-group=review]{border-color:color-mix(in srgb,var(--red) 35%,var(--line))}.student-top{display:flex;align-items:center;gap:9px}.student-top .avatar{width:30px;height:30px;font-size:9px}.student-top strong{font-size:12px;font-weight:600}.student-top .status-dot{margin-left:auto}.student-status{display:block;margin:12px 0 10px;color:var(--muted);font-size:10px}.student-card[data-group=review] .student-status{color:var(--red)}.student-card[data-group=away] .student-status{color:var(--amber)}.focus-track{height:4px;border-radius:6px;background:var(--hover);overflow:hidden}.focus-fill{height:100%;background:var(--green);border-radius:6px;transition:width .6s}.student-card[data-group=review] .focus-fill{background:var(--red)}.student-card[data-group=away] .focus-fill{background:var(--amber)}.student-stats{display:flex;justify-content:space-between;gap:6px;margin-top:9px;font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums}.empty-group{font-size:11px;color:var(--muted);padding:6px 0}.side-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:16px}.card-kicker{display:flex;align-items:center;gap:7px;color:var(--blue);font-size:9px;letter-spacing:1px;margin-bottom:20px}.card-kicker svg{width:16px}.side-card h2{font-family:Georgia,serif;font-size:23px;font-weight:400;line-height:1.3}.side-card p{font-size:12px;line-height:1.8;color:var(--muted)}.text-button{background:none;padding:0;font-size:11px;color:var(--blue);text-align:left}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.small-note{display:block;font-size:10px!important;color:var(--muted);line-height:1.8;margin-top:14px}.threshold-card h2{font-family:inherit;font-size:14px;font-weight:600;margin-bottom:20px}.threshold-card label{display:flex;justify-content:space-between;font-size:11px}.threshold-card output{font-weight:600;color:var(--blue)}input[type=range]{width:100%;accent-color:var(--blue);margin:17px 0 4px}.range-labels{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}.threshold-card p{font-size:10px;margin:17px 0 0}.tracking-note{display:flex;align-items:flex-start;gap:12px;padding:8px 4px}.tracking-note>[data-icon]{color:var(--green);margin-top:3px}.tracking-note strong{font-size:11px;font-weight:600}.tracking-note p{font-size:11px;color:var(--muted);margin:7px 0;line-height:1.7}.interpretation{display:flex;align-items:flex-start;gap:10px;margin:25px 0;color:var(--muted)}.interpretation svg{width:16px;height:16px}.interpretation p{font-size:10px;line-height:1.8;margin:0;max-width:750px}.demo-controls{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:28px;color:var(--muted)}.demo-controls>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.demo-controls strong{font-size:11px;color:var(--ink)}.demo-controls span:not([data-icon]){font-size:10px}.demo-controls button,.preset-row button{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:7px 10px;font-size:10px}.demo-controls button:hover,.preset-row button:hover{background:var(--hover)}.rules-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}.rules-layout label{display:block;font-weight:600;margin-bottom:12px;font-size:13px}textarea{resize:vertical;width:100%;min-height:160px;border:1px solid var(--line);border-radius:8px;padding:14px;background:var(--bg);color:var(--ink);line-height:1.8;font-size:13px}.preset-row{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0 24px}.example-user{margin:30px 0 24px 30px;background:var(--hover);border-radius:14px;padding:14px;font-size:13px}.example-ai{display:flex;align-items:flex-start;gap:12px}.example-ai p{color:var(--ink);font-size:14px}.mini-brand{font-size:30px;color:var(--blue);line-height:1}.summary-banner{display:grid;grid-template-columns:repeat(3,1fr);background:var(--blue-soft);border-radius:12px;padding:30px;margin-bottom:24px;gap:20px}.summary-banner span{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.summary-banner strong{font-size:30px;font-weight:500}.table-wrap{overflow-x:auto;background:var(--paper);border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;text-align:left;font-size:12px;white-space:nowrap}th{font-size:10px;font-weight:500;color:var(--muted);background:var(--bg)}td,th{padding:15px 20px;border-bottom:1px solid var(--line)}tr:last-child td{border-bottom:0}.view{animation:arrive .3s ease}.drawer-backdrop{position:fixed;inset:0;background:#101b243b;z-index:30;animation:arrive .2s}.drawer{position:fixed;right:0;top:0;bottom:0;width:min(460px,100%);padding:64px 32px 30px;background:var(--paper);box-shadow:-20px 0 80px #0002;z-index:31;overflow-y:auto;animation:drawer-in .28s ease}.drawer h2{font-family:Georgia,serif;font-size:29px;font-weight:400}.drawer-close{position:absolute;right:20px;top:20px}.drawer p{font-size:13px;line-height:1.8;color:var(--muted)}.drawer-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:25px 0}.drawer-stats>div{border-radius:10px;background:var(--bg);padding:18px}.drawer-stats strong{display:block;font-size:25px;font-weight:500}.drawer-stats span{font-size:11px;color:var(--muted)}.timeline{display:flex;gap:3px;height:35px;margin:18px 0 8px}.timeline i{flex:1;background:var(--green);border-radius:3px}.timeline i.away{background:var(--amber)}.tracking-banner{padding:16px;background:var(--blue-soft);border-radius:10px;margin:24px 0;color:var(--ink)!important}.tracking-banner strong{display:block}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);background:var(--ink);color:var(--paper);padding:12px 22px;border-radius:9px;font-size:12px;z-index:40;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:90vw}.toast.visible{opacity:1;transform:translate(-50%,0)}
.page-heading{margin-bottom:24px;min-height:76px}.page-heading h1{font-size:34px}.page-heading .eyebrow{margin-bottom:8px}.session-actions{flex-direction:row;align-items:center;gap:20px}
.metrics{gap:0;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px 0}.metrics article{border:0;border-radius:0;background:none;padding:0 24px}.metrics article+article{border-left:1px solid var(--line)}.metrics article>div{margin-bottom:0}.metrics strong{font-size:28px}
.insights .side-card{box-shadow:none}.side-card h2.quiet-heading{font:600 14px/1.5 'Segoe UI',sans-serif;letter-spacing:0;margin-bottom:14px}.insights #rule-preview{line-height:1.85;margin-bottom:18px}
.threshold-card{padding:0}.threshold-card summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;cursor:pointer;font-size:12px;font-weight:500;border-radius:12px}.threshold-card summary::-webkit-details-marker{display:none}.threshold-card summary:hover{background:var(--hover)}.threshold-card summary svg{width:16px;height:16px;color:var(--muted)}.threshold-content{padding:4px 20px 20px}.tracking-note{align-items:center}.tracking-note>[data-icon]{margin-top:0}
.rules-layout{align-items:start}.example{padding:24px}.example-user{margin-top:24px;font-size:13px;line-height:1.8}.example-ai{gap:14px;align-items:flex-start}.example-ai p{margin-bottom:4px;line-height:1.9}.response-brand{flex-shrink:0;margin:8px 0 0;gap:3px}.response-brand i{width:21px;height:5px}.example .small-note{margin:24px 0 0}
.demo-controls{align-items:center}.demo-disclosure{font-size:11px;color:var(--muted)}.demo-tools{text-align:right}.demo-tools summary{cursor:pointer;font-size:11px;color:var(--muted);padding:8px 0}.demo-tools>div{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.demo-tools button{font-size:11px}.demo-tools[open]{animation:arrive .2s ease}
@keyframes arrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes drawer-in{from{opacity:0;transform:translateX(35px)}to{opacity:1;transform:none}}
@media(min-width:1600px){.student-grid{grid-template-columns:repeat(3,minmax(0,1fr))}main{padding-top:48px}.dashboard-columns{gap:36px;grid-template-columns:minmax(0,1fr) 290px}}
@media(max-width:1150px){.sidebar{width:210px;padding-inline:12px}.app{margin-left:210px}main{padding:28px 24px}.topbar{padding-inline:24px}.dashboard-columns{grid-template-columns:minmax(0,1fr) 240px;gap:18px}.student-grid{grid-template-columns:1fr}.metrics article{padding:16px}.metrics small{display:none}.demo-controls{align-items:flex-start;flex-direction:column}h1{font-size:34px}}
@media(max-width:800px){.sidebar{position:static;width:100%;padding:16px 20px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:23px;padding:0}.workspace,.nav-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;margin-top:16px;gap:4px}.nav-item{font-size:11px;padding:10px;justify-content:center;gap:7px;margin:0}.nav-item svg{width:16px}.app{margin:0}.topbar{height:50px;padding-inline:20px;font-size:10px}.topbar .demo-pill{font-size:8px}main{padding:25px 20px}.dashboard-columns{grid-template-columns:1fr}.student-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.insights{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tracking-note{grid-column:1/-1}.page-heading{align-items:flex-start}.session-actions{min-width:125px}.eyebrow{font-size:8px}h1{font-size:31px}.intro{font-size:11px}.rules-layout{grid-template-columns:1fr}}
@media(max-width:520px){.page-heading{flex-direction:column;gap:20px}.session-actions{flex-direction:row;justify-content:space-between;align-items:center;width:100%}.lesson-strip{padding:14px;gap:10px;flex-wrap:wrap}.lesson-strip>div:nth-child(2){flex:1;min-width:180px}.lesson-code{text-align:left;margin-left:46px}.lesson-code button{margin-left:0}.lesson-icon{padding:8px}.metrics{gap:8px;margin-bottom:24px}.metrics article{padding:13px 10px}.metrics article>span{font-size:10px;line-height:1.5;display:block;min-height:30px}.metrics strong{font-size:26px}.metrics p{display:none}.student-card{padding:12px}.student-top strong{font-size:11px}.student-top .avatar{display:none}.student-stats{font-size:9px}.insights{grid-template-columns:1fr}.side-card{margin-bottom:0}.tracking-note{grid-column:auto}.summary-banner{padding:20px 15px;gap:12px}.summary-banner strong{font-size:24px}.summary-banner span{font-size:10px}.section-heading{align-items:flex-start}.section-heading .button{font-size:10px;padding:8px}.topbar div>span{margin:0 5px}.topbar>.demo-pill{display:none}.nav-item{font-size:10px;padding:9px 6px}.nav-item svg{width:14px}.rules-layout{gap:16px}}
@media(max-width:1100px){.rules-layout{grid-template-columns:1fr}.example-user{max-width:85%;margin-left:auto}.page-heading{flex-wrap:wrap}.page-heading h1{font-size:30px}}
@media(max-width:520px){.demo-tools{text-align:left}.metrics small{font-size:9px}.response-brand{margin-top:7px}.example{padding:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}