:root{color:#30352f;font-synthesis:none;text-rendering:optimizeLegibility;--bg:#faf9f5;--fg:#30352f;--card:#fff;--primary:#386c56;--primary-deep:#28513f;--primary-soft:#e3f0e9;--accent:#c96442;--accent-soft:#f6ded6;--yellow:#d6a33d;--yellow-soft:#fff2cc;--blue:#4e7fa3;--blue-soft:#e6f0f7;--purple:#80639a;--purple-soft:#eee7f4;--danger:#cc4e45;--muted:#7d817b;--secondary:#ece9df;--border:#dcd9cf;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box;letter-spacing:0}html,body,#app{min-width:320px;min-height:100%;margin:0}body{background:var(--bg);overflow:hidden}button,input,textarea,select{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid rgb(56 108 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button{min-width:125px;height:48px;padding:0 10px;display:flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:10px;font-weight:900;cursor:pointer}.demo-tabs button:hover{color:var(--fg);background:var(--secondary)}.demo-tabs button.active{color:#fff;background:var(--accent);box-shadow:0 8px 18px rgb(201 100 66/20%)}.nav-number{font-family:ui-monospace,monospace;font-size:8px;opacity:.78}.lab-status{display:flex;justify-content:flex-end;align-items:center;gap:6px;color:var(--muted);font-size:9px;font-weight:900}.lab-status i{width:8px;height:8px;border-radius:50%;background:var(--primary)}.feature-page{flex:1;min-height:0;padding:13px 20px 18px;display:flex;flex-direction:column;gap:10px;overflow:hidden}.feature-heading{min-height:72px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.heading-copy{min-width:0}.eyebrow{color:var(--accent);font-size:9px;font-weight:950;text-transform:uppercase}.feature-heading h1{margin:3px 0 4px;font-family:Georgia,"Times New Roman",serif;font-size:27px;line-height:1}.feature-heading p{max-width:720px;margin:0;color:var(--muted);font-size:10px;font-weight:750;line-height:1.45}.feature-actions{display:flex;align-items:center;gap:6px}.tool-button{width:36px;height:36px;padding:0;border:1px solid var(--border);border-radius:6px;background:#fff;font-size:18px;font-weight:900;cursor:pointer}.status-chip{min-height:29px;padding:6px 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var(--border);border-radius:6px;background:#fff;font-size:9px;font-weight:900;cursor:pointer}.action-button.primary{color:#fff;border-color:var(--primary);background:var(--primary)}.action-button.accent{color:#fff;border-color:var(--accent);background:var(--accent)}.action-button:disabled,.icon-action:disabled{cursor:not-allowed;filter:grayscale(.7);opacity:.4}.context-panel{padding:14px;display:flex;flex-direction:column;gap:7px}.context-panel>strong{margin:3px 0;font-family:Georgia,serif;font-size:18px;line-height:1.2}.context-panel>p{margin:0 0 8px;color:var(--muted);font-size:9px;font-weight:750;line-height:1.5}.context-row{padding:9px 0;display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--border);font-size:9px}.context-row span{color:var(--muted);font-weight:750}.context-note{margin-top:auto;padding:10px;border-left:3px solid var(--blue);background:var(--blue-soft);font-size:8px;font-weight:750;line-height:1.5}.teacher-grid section>header,.teacher-grid aside>header{padding-bottom:12px;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;border-bottom:1px solid var(--border)}.teacher-grid header h2{margin:4px 0;font-size:19px}.teacher-grid header p{margin:0;color:var(--muted);font-size:9px;font-weight:750;line-height:1.45}.live-feedback,.attendance-main,.random-main,.poll-main,.recording-main,.groups-main,.wordwall-main{min-height:0;padding:15px;overflow:auto}.feedback-review,.attendance-side,.random-side,.poll-side,.session-side,.group-side,.wordwall-side{min-height:0;padding:14px;overflow:auto}.feedback-hero{min-height:210px;padding:15px;display:grid;grid-template-columns:1fr 1.2fr auto;align-items:center;gap:18px;border-bottom:1px solid var(--border)}.feedback-hero>div:first-child{text-align:center}.feedback-hero small,.feedback-hero span{display:block;color:var(--muted);font-size:9px;font-weight:800}.feedback-hero strong{display:block;font-family:Georgia,serif;font-size:64px;line-height:1;color:var(--accent)}.threshold-bar{height:9px;overflow:hidden;border-radius:2px;background:var(--secondary)}.threshold-bar i{height:100%;display:block;background:var(--accent)}.threshold b{display:block;margin:9px 0 2px;font-size:12px}.threshold p{margin:0;color:var(--muted);font-size:9px;font-weight:750}.feedback-pulse{width:96px;height:96px;border:0;border-radius:50%;color:#fff;background:var(--accent);box-shadow:0 0 0 10px var(--accent-soft);font-size:10px;font-weight:900;cursor:pointer}.node-list{padding-top:12px;display:grid;gap:5px}.node-row{min-height:44px;padding:7px 9px;display:grid;grid-template-columns:55px minmax(0,1fr) 42px 40px minmax(80px,.7fr);align-items:center;gap:8px;border:1px solid var(--border);border-radius:5px;background:#fff;text-align:left;cursor:pointer}.node-row.selected{border-color:var(--accent);background:#fff8f5}.node-row span,.node-row small,.node-row i{color:var(--muted);font-size:8px;font-style:normal;font-weight:750}.node-row strong,.node-row b{font-size:9px}.feedback-review header{padding-bottom:10px}.review-list{display:grid;gap:7px;margin-top:10px}.review-card{padding:11px;border-top:3px solid var(--accent);background:#fff8f5}.review-card>div>strong{display:block;margin:4px 0;font-size:12px}.review-card p{margin:0 0 8px;color:var(--muted);font-size:8px;font-weight:750;line-height:1.45}.stat-strip{margin:12px 0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.stat-tile{padding:9px;border:1px solid var(--border);border-top:4px solid var(--blue);background:#fff;text-align:left;cursor:pointer}.stat-tile.selected{background:var(--blue-soft)}.stat-tile span,.stat-tile small{display:block;color:var(--muted);font-size:8px;font-weight:800}.stat-tile strong{display:block;margin:3px 0;font-size:20px}.attendance-actions,.poll-actions,.record-controls,.group-actions{display:flex;gap:6px}.attendance-table{display:grid}.table-head,.table-row{display:grid;grid-template-columns:1.1fr 80px .9fr .9fr 72px;align-items:center;gap:8px;padding:7px 8px;border-bottom:1px solid var(--border);font-size:9px}.table-head{color:var(--muted);background:#faf9f5;font-weight:900}.table-row>div strong,.table-row>div small{display:block}.table-row>div small{color:var(--muted);font-size:8px}.state-pill{width:max-content;padding:4px 6px;border-radius:4px;font-size:8px;font-weight:900}.state-pill.good{color:var(--primary-deep);background:var(--primary-soft)}.state-pill.warn{color:#725616;background:var(--yellow-soft)}.state-pill.bad{color:#922f2a;background:#f8d9d6}.state-pill.pending{color:#345f7e;background:var(--blue-soft)}.icon-action{min-height:28px;padding:4px 7px;border:1px solid var(--border);border-radius:5px;background:#fff;font-size:8px;font-weight:900;cursor:pointer}.icon-action.active{color:#fff;border-color:var(--accent);background:var(--accent)}.attendance-side h2{margin:5px 0;font-size:18px}.attendance-side>p{color:var(--muted);font-size:9px;font-weight:750}.window-line{margin:12px 0;padding:10px;display:flex;align-items:center;gap:8px;background:var(--primary-soft);font-size:9px;font-weight:900}.window-line i{width:9px;height:9px;border-radius:50%;background:var(--primary)}.attendance-note,.manual-box,.poll-note,.retention-note,.group-note,.wordwall-note{margin-top:10px;padding:11px;border-left:3px solid var(--blue);background:var(--blue-soft)}.attendance-note p,.manual-box p,.poll-note p,.retention-note p,.group-note p,.wordwall-note p{margin:5px 0 0;color:var(--muted);font-size:8px;font-weight:750;line-height:1.5}.manual-box strong{display:block;margin:6px 0;font-size:21px}.random-main header{align-items:center}.random-controls{display:flex;align-items:center;gap:7px}.random-controls label,.task-config label{display:grid;gap:3px;color:var(--muted);font-size:8px;font-weight:850}.random-controls select,.task-config select{height:34px;border:1px solid var(--border);border-radius:5px;background:#fff;font-size:9px;font-weight:900}.check-label{display:flex!important;align-items:center!important}.draw-stage{min-height:290px;display:grid;place-items:center;align-content:center;gap:8px;text-align:center}.draw-orb{width:180px;height:180px;padding:20px;display:grid;place-items:center;align-content:center;border:2px solid var(--accent);border-radius:50%;background:var(--accent-soft);font-family:Georgia,serif;font-size:55px}.draw-orb strong{font-size:25px}.draw-orb small{color:var(--muted);font-family:ui-sans-serif,system-ui;font-size:9px;font-weight:850}.draw-stage>p{color:var(--muted);font-size:9px;font-weight:750}.draw-actions{display:flex;gap:6px}.candidate-summary{padding:10px;display:grid;grid-template-columns:1fr auto;gap:3px;border-top:1px solid var(--border);background:#faf9f5}.candidate-summary span,.candidate-summary small{color:var(--muted);font-size:8px;font-weight:800}.candidate-summary small{grid-column:1/-1}.history-list{margin-top:10px;display:grid;gap:5px}.history-row{padding:7px 0;display:grid;grid-template-columns:45px 1fr 1.5fr;gap:8px;border-bottom:1px solid var(--border);font-size:8px}.history-row span,.history-row small{color:var(--muted)}.random-side h2{font-size:18px}.random-side ul{padding-left:17px;color:var(--muted);font-size:9px;font-weight:750;line-height:1.65}.random-meter{margin-top:14px}.random-meter span{display:block;color:var(--muted);font-size:8px;font-weight:850}.random-meter strong{display:block;margin:4px 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small{text-align:right;color:var(--muted);font-weight:750}.template-list{display:grid;gap:6px;margin-top:8px}.template-row{padding:10px;border:1px solid var(--border);border-radius:5px;background:#fff;text-align:left;cursor:pointer}.template-row.selected{border-color:var(--yellow);background:var(--yellow-soft)}.template-row small,.template-row strong,.template-row span{display:block}.template-row small,.template-row span{color:var(--muted);font-size:8px;font-weight:750}.template-row strong{margin:4px 0;font-size:9px;line-height:1.4}.recording-console{margin-top:12px;padding:18px;background:#30352f;color:#fff}.recording-indicator{display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:7px}.recording-indicator i{width:10px;height:10px;border-radius:50%;background:#888}.recording-indicator.live i{background:#e2584e;box-shadow:0 0 0 6px rgb(226 88 78/18%)}.recording-indicator span{font-size:9px;font-weight:850}.recording-indicator strong{font-family:ui-monospace,monospace;font-size:18px}.waveform{height:105px;display:flex;align-items:center;gap:3px}.waveform i{flex:1;min-width:2px;background:#d2d8d2}.record-guard{display:flex;justify-content:space-between;gap:8px;color:#aeb5ae;font-size:8px;font-weight:800}.playback{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.playback-head{display:flex;justify-content:space-between;gap:10px}.playback-head h3{margin:4px 0;font-size:15px}.playback-head p{margin:0;color:var(--muted);font-size:8px;font-weight:750}.timeline-row{margin-top:14px;display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:9px}.play-button{width:38px;height:38px;border:0;border-radius:50%;color:#fff;background:var(--primary);cursor:pointer}.timeline-row input{width:100%}.timeline-row span{font-family:ui-monospace,monospace;font-size:8px}.playback-tools{margin-top:8px;display:flex;gap:5px}.session-list{display:grid;gap:6px;margin-top:8px}.session-row{padding:10px;border:1px solid var(--border);border-radius:5px;background:#fff;text-align:left;cursor:pointer}.session-row.selected{border-color:var(--blue);background:var(--blue-soft)}.session-row strong,.session-row small,.session-row span{display:block}.session-row strong{font-size:9px}.session-row small,.session-row span{margin-top:4px;color:var(--muted);font-size:8px}.task-config{margin:12px 0;display:grid;grid-template-columns:110px 90px minmax(0,1fr);gap:8px}.task-copy{padding:8px;border-left:3px solid var(--yellow);background:var(--yellow-soft)}.task-copy span,.task-copy strong{display:block}.task-copy span{color:var(--muted);font-size:8px;font-weight:850}.task-copy strong{margin-top:3px;font-size:9px;line-height:1.4}.group-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.group-card{padding:10px;border:1px solid var(--border);border-top:4px solid var(--blue);background:#fff}.group-card header{padding:0!important;border:0!important}.group-card header>div{display:flex;align-items:center;gap:7px}.group-card header span,.group-card header strong{font-size:9px}.group-card>p{color:var(--muted);font-size:8px;font-weight:750;line-height:1.4}.group-card textarea{width:100%;height:66px;padding:7px;border:1px solid var(--border);border-radius:5px;resize:vertical;font-size:9px;line-height:1.4}.group-card footer{margin-top:6px;display:flex;justify-content:space-between;align-items:center;gap:7px}.group-card footer small{color:var(--muted);font-size:8px;font-weight:750}.group-progress{text-align:center;padding:12px;background:var(--primary-soft)}.group-progress strong,.group-progress span{display:block}.group-progress strong{font-size:26px}.group-progress span{margin-bottom:8px;color:var(--muted);font-size:8px;font-weight:850}.showcase{margin-top:11px}.showcase>b{font-size:10px}.showcase blockquote{margin:8px 0;padding:9px;border-left:4px solid var(--accent);background:var(--accent-soft);font-size:9px;font-weight:750;line-height:1.45}.showcase blockquote small{display:block;margin-top:5px;color:var(--muted)}.showcase>p{color:var(--muted);font-size:8px;font-weight:750}.mode-switch{display:flex;gap:5px}.wordwall-prompt{margin-top:12px;padding:12px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;background:var(--yellow-soft)}.wordwall-prompt h3{margin:0;font-size:13px}.response-wall{padding-top:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.response-card{padding:10px;display:flex;justify-content:space-between;gap:8px;border:1px solid var(--border);border-top:4px solid var(--primary);background:#fff}.response-card.hidden-response{filter:grayscale(.8);opacity:.58}.response-card p{margin:4px 0;font-family:Georgia,serif;font-size:11px;line-height:1.4}.response-card span,.response-card small{color:var(--muted);font-size:8px;font-weight:750}.cloud-stage{min-height:340px;padding:30px;display:flex;align-items:center;justify-content:center;align-content:center;gap:18px;flex-wrap:wrap;background:#fbfaf7}.cloud-word{font-family:Georgia,serif;font-weight:900}.cloud-word small{font-family:ui-monospace,monospace;font-size:8px}.cloud-word.size-1{font-size:15px}.cloud-word.size-2{font-size:23px}.cloud-word.size-3{font-size:34px}.cloud-word.size-4{font-size:46px}.cloud-word.tone-0{color:var(--primary)}.cloud-word.tone-1{color:var(--accent)}.cloud-word.tone-2{color:var(--blue)}.wordwall-footer{margin-top:10px;padding-top:10px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);font-size:8px;font-weight:850}.approval-summary{padding:18px;text-align:center;background:var(--primary-soft)}.approval-summary strong,.approval-summary span{display:block}.approval-summary strong{font-size:29px}.approval-summary span{font-size:9px;font-weight:850}.approval-summary p{color:var(--muted);font-size:8px;font-weight:750}.keyword-list{margin-top:10px}.keyword-list>b{font-size:10px}.keyword-list>div{padding:7px 0;display:flex;justify-content:space-between;border-bottom:1px solid var(--border);font-size:9px}.empty-state{padding:18px;display:grid;place-items:center;color:var(--muted);text-align:center;font-size:9px;font-weight:750}.guide-sidebar{z-index:60;min-width:0;padding:17px;display:flex;flex-direction:column;border:1px solid var(--border);border-radius:8px;background:#fff;box-shadow:0 10px 26px rgb(40 42 36/9%)}.guide-head{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:9px;font-weight:900}.guide-head b{margin-left:auto;color:var(--accent)}.guide-head button{min-height:29px;padding:4px 8px;border:1px solid var(--border);border-radius:5px;background:#fff;color:var(--muted);font-size:9px;font-weight:850;cursor:pointer}.guide-current{margin-top:15px;padding:15px 0;border-top:4px solid var(--accent);border-bottom:1px solid var(--border)}.guide-current span{color:var(--accent);font-size:9px;font-weight:900}.guide-current h2{margin:6px 0 10px;font-size:20px;line-height:1.2}.guide-current p{margin:0;color:var(--muted);font-size:10px;font-weight:750;line-height:1.55}.guide-steps{margin-top:auto;display:grid;gap:6px}.guide-step{min-height:36px;padding:4px 6px;display:grid;grid-template-columns:24px 1fr;align-items:center;gap:7px;border-radius:6px;color:#aaa89f}.guide-step b{width:23px;height:23px;display:grid;place-items:center;border:1px solid var(--border);border-radius:50%;font-size:8px}.guide-step span{font-size:9px;font-weight:800}.guide-step.active{color:#91401f;background:var(--accent-soft)}.guide-step.active b{color:#fff;border-color:var(--accent);background:var(--accent)}.guide-step.done{color:var(--primary)}.guide-next{margin-top:9px}.guide-followup{margin:8px 0 0;padding-top:8px;border-top:1px solid var(--border);color:var(--muted);font-size:8px;font-weight:800;line-height:1.4}.toast{z-index:100;position:fixed;left:50%;bottom:24px;max-width:min(520px,calc(100vw - 32px));transform:translateX(-50%);padding:11px 15px;border-radius:7px;color:#fff;background:#30352f;box-shadow:0 10px 26px rgb(35 37 32/22%);font-size:10px;font-weight:800;text-align:center}
.context-timer{margin-top:4px;padding:10px;border:1px solid var(--border);border-top:4px solid var(--yellow);background:var(--yellow-soft)}.context-timer>span{display:block;color:var(--muted);font-size:8px;font-weight:900}.context-timer>strong{display:block;margin:4px 0;font-family:ui-monospace,monospace;font-size:23px}.context-timer>div{display:flex;gap:4px}.context-timer button{min-height:27px;padding:3px 6px;border:1px solid var(--border);border-radius:4px;background:#fff;font-size:7px;font-weight:900;cursor:pointer}.timer-overlay{z-index:200;position:fixed;inset:0;display:grid;place-items:center;align-content:center;gap:14px;color:#fff;background:#222520}.timer-overlay>button{position:absolute;top:24px;right:28px;width:48px;height:48px;border:1px solid #666;border-radius:50%;color:#fff;background:transparent;font-size:30px;cursor:pointer}.timer-overlay>span{font-size:16px;font-weight:900}.timer-overlay>strong{font-family:ui-monospace,monospace;font-size:min(24vw,220px);line-height:1}.timer-overlay>div{display:flex;gap:8px}.timer-overlay>div button{min-height:44px;padding:0 18px;border:1px solid #777;border-radius:6px;color:#fff;background:#353a34;font-size:11px;font-weight:900;cursor:pointer}
@media(max-width:1180px){.teacher-grid{grid-template-columns:165px minmax(460px,1fr) 230px}.demo-tabs button{min-width:115px}.guided-layout{grid-template-columns:minmax(0,1fr) 220px}}
@media(max-width:960px){body{overflow:auto}.app-shell{height:auto;min-height:100dvh;overflow:visible}.app-header{min-height:72px;grid-template-columns:140px minmax(0,1fr);padding:8px 12px}.lab-status{display:none}.demo-tabs{justify-content:flex-start}.feature-page{min-height:calc(100dvh - 72px);overflow:visible}.guided-layout{display:block}.guide-sidebar{position:fixed;right:10px;bottom:10px;left:10px;max-height:42vh;overflow:auto}.guide-steps{display:none}.teacher-grid{min-height:0;grid-template-columns:170px minmax(0,1fr)}.teacher-grid>:nth-child(3){grid-column:1/-1;min-height:260px}.feature-heading{min-height:80px}.feedback-hero{grid-template-columns:1fr 1fr}.feedback-pulse{grid-column:1/-1;width:auto;height:42px;border-radius:6px;box-shadow:none}.group-cards,.response-wall{grid-template-columns:1fr}}
@media(max-width:620px){.app-header{grid-template-columns:105px minmax(0,1fr)}.brand-copy small{display:none}.demo-tabs button{min-width:110px;height:42px;padding:0 6px;font-size:9px}.feature-page{padding:10px}.feature-heading{display:block}.feature-actions{margin-top:8px}.teacher-grid{display:block}.teacher-grid>*{margin-bottom:9px}.context-panel{min-height:230px}.feedback-hero{grid-template-columns:1fr;padding:12px}.node-row{grid-template-columns:50px 1fr 36px}.node-row small,.node-row i{display:none}.stat-strip{grid-template-columns:repeat(2,1fr)}.attendance-table{overflow-x:auto}.table-head,.table-row{min-width:650px}.random-main header,.poll-main header,.recording-main header,.groups-main header,.wordwall-main header{display:block!important}.random-controls,.attendance-actions,.poll-actions,.record-controls,.group-actions{margin-top:8px;flex-wrap:wrap}.draw-orb{width:150px;height:150px}.poll-options{grid-template-columns:1fr}.poll-question h3{font-size:21px}.playback-tools{flex-wrap:wrap}.task-config{grid-template-columns:1fr 1fr}.task-copy{grid-column:1/-1}.wordwall-prompt{grid-template-columns:1fr}.cloud-word.size-4{font-size:38px}.record-guard{display:grid}.feature-heading h1{font-size:25px}.guide-sidebar{max-height:46vh}}