:root{--bg:#f4f1e8;--card:#fff;--ink:#2b2a26;--muted:#6f6b60;--leaf:#4f9d5b;--leaf-dark:#357a41;--bark:#8b5e34;--sun:#f5b62d;--sky:#4a90d9;--rose:#e06767;--tilo:#e6f3e8;--child:#fff4d6;--radius:18px;--shadow:0 4px 16px #2b2a2614;color:var(--ink);background:var(--bg);font-family:Nunito,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:19px}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--bg)}button{font:inherit;cursor:pointer;background:var(--leaf);color:#fff;border:none;border-radius:14px;padding:.6em 1.1em;font-weight:700;transition:transform 80ms,background .15s}button:hover{background:var(--leaf-dark)}button:active{transform:scale(.97)}button:disabled{opacity:.5;cursor:default;transform:none}button.ghost{color:var(--muted);background:0 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#e4dfd0}.swatch.on{box-shadow:0 0 0 3px var(--ink);transform:scale(1.1)}.swatch.eraser{background:#f6f4ee}.board-paper{width:100%}.board-canvas{cursor:crosshair;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background:#fff;border:2px solid #e4dfd0;border-radius:14px;display:block}.board-actions{justify-content:flex-end;gap:10px;display:flex}.send-board{padding:.7em 1.6em;font-size:1.15rem}.msg .photo{cursor:zoom-in;border-radius:12px;max-width:100%;max-height:260px;margin-bottom:8px;display:block}.msg .photo.big{cursor:zoom-out;max-height:none}.photo-missing{color:var(--muted);font-size:.9em}.photo-preview{background:var(--child);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:12px;padding:8px 12px;display:flex}.photo-preview img{object-fit:cover;border-radius:10px;width:72px;height:72px}.photo-preview span{color:var(--muted);flex:1;font-weight:600}@keyframes pulse{0%{box-shadow:0 0 #e0676780}to{box-shadow:0 0 0 16px 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12px}th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f6f4ee;font-size:.85rem}tr.clickable{cursor:pointer}tr.clickable:hover td{background:#fbfaf6}.flag{color:var(--rose);font-weight:800}.transcript{flex-direction:column;gap:8px;display:flex}.transcript .msg{max-width:100%;font-size:.95rem}.transcript .msg.flagged{border:3px solid var(--rose)}.form{background:var(--card);border-radius:var(--radius);max-width:460px;box-shadow:var(--shadow);gap:14px;padding:22px;display:grid}.form label{gap:6px;font-size:.95rem;font-weight:700;display:grid}.pinbox{text-align:center;background:var(--card);max-width:360px;box-shadow:var(--shadow);border-radius:26px;grid-template-columns:minmax(0,1fr);gap:14px;margin:40px auto;padding:30px;display:grid}.pinbox input,.pinbox button{box-sizing:border-box;width:100%;min-width:0}.pinbox 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.answer>*+*{margin-left:10px}.progressbar>*+*,.tabs>*+*{margin-left:8px}.chips>*{margin:0 10px 10px 0}.board-tools>*{margin:0 8px 8px 0}.row>*{margin:0 10px 10px 0}.row>.chips>*{margin-bottom:10px}.bigcard>*+*{margin-top:8px}.chat>*+*{margin-top:14px}.messages>*+*{margin-top:12px}.board>*+*{margin-top:10px}.practice>*+*,.excard>*+*{margin-top:18px}.topic>*+*{margin-top:4px}.round-done>*+*{margin-top:14px}.parent>*+*{margin-top:16px}.transcript>*+*{margin-top:8px}}