:root{--ink: #1f2533;--muted: #6b7690;--line: #e2e6ef;--bar: #ffffff;--accent: #2f5bea;--accent-soft: #e6edff;--bg: #f7f9fd;--grid: #edf0f7;--grid-major: #e1e6f1;--danger: #d33a2c;--shadow: 0 2px 10px rgba(27, 42, 78, .12);--top-h: 48px;color-scheme:light}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font:14px/1.4 Segoe UI,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:none;border:0;padding:0}button:disabled{opacity:.35;cursor:default}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}small{color:var(--muted)}.hidden{display:none!important}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:34px;padding:0 14px;border-radius:7px;border:1px solid var(--line);background:#fff;font-weight:600;white-space:nowrap}.btn:hover{background:#f4f6fb}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:#2549c4}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:7px;color:var(--muted)}.icon-btn:hover{background:#eef1f7;color:var(--ink)}input,select,textarea{border:1px solid var(--line);border-radius:7px;padding:7px 10px;background:#fff;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent)}.board-root{position:relative;height:100%;overflow:hidden;user-select:none}.stage{position:absolute;inset:var(--top-h) 0 0 0;background-color:var(--bg);touch-action:none}.top{position:absolute;inset:0 0 auto;height:var(--top-h);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:0 12px;background:var(--bar);border-bottom:1px solid var(--line);z-index:5}.top-left,.top-right{display:flex;align-items:center;gap:10px;min-width:0}.top-right{justify-content:flex-end}.logo{font-weight:700;letter-spacing:.01em;white-space:nowrap}.title{font-size:15px;color:#39425a;max-width:40vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status.bad{color:var(--danger);font-size:12px;white-space:nowrap}.role-tag{font-size:12px;color:var(--muted);white-space:nowrap}.upload-pill{font-size:12px;color:var(--accent);background:var(--accent-soft);padding:3px 10px;border-radius:99px;white-space:nowrap}.people{display:flex}.avatar{width:28px;height:28px;margin-left:-6px;border-radius:50%;border:2px solid #fff;color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center}.bar{position:absolute;top:calc(var(--top-h) + 10px);left:50%;transform:translate(-50%);display:flex;align-items:center;gap:2px;padding:5px;background:var(--bar);border-radius:12px;box-shadow:var(--shadow);z-index:5;max-width:calc(100vw - 16px);overflow-x:auto;scrollbar-width:none}.tool-group{display:flex;align-items:center;gap:2px}.tool{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:38px;height:38px;flex:none;border-radius:8px;color:#3c465e}.tool.wide{width:auto;padding:0 12px;font-weight:600}.tool:hover:not(:disabled){background:#eef1f7}.tool.on{background:var(--accent-soft);color:var(--accent)}.tool.small{width:32px;height:32px}.sep{width:1px;height:24px;margin:0 5px;flex:none;background:var(--line)}.tool-style{position:absolute;top:calc(var(--top-h) + 66px);left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;padding:7px 9px;background:var(--bar);border-radius:10px;box-shadow:var(--shadow);z-index:5;max-width:calc(100vw - 16px);flex-wrap:wrap;justify-content:center}.tool-style select{padding:4px 6px}.swatch{width:24px;height:24px;border-radius:50%;border:1px solid rgba(0,0,0,.14);flex:none}.swatch.on{outline:2px solid var(--accent);outline-offset:2px}.swatch.custom{position:relative;overflow:hidden;background:conic-gradient(#f44,#fd0,#4c4,#39f,#a4f,#f44);cursor:pointer}.swatch.custom input{position:absolute;inset:-6px;opacity:0;cursor:pointer}.chip{display:inline-flex;align-items:center;gap:4px;height:30px;padding:0 10px;border-radius:7px;font-weight:600;font-size:13px;color:#3c465e;white-space:nowrap}.chip.icon{width:32px;padding:0;justify-content:center}.chip:hover{background:#eef1f7}.chip.on{background:var(--accent-soft);color:var(--accent)}.side{position:absolute;left:10px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:2px;padding:5px;background:var(--bar);border-radius:12px;box-shadow:var(--shadow);z-index:5}.panel{position:absolute;left:0;top:var(--top-h);bottom:0;width:310px;max-width:100vw;background:var(--bar);border-right:1px solid var(--line);overflow-y:auto;z-index:6;padding-bottom:12px}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;position:sticky;top:0;background:var(--bar);border-bottom:1px solid var(--line)}.panel-head h3{font-size:15px}.panel-label{padding:14px 16px 4px;font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--muted)}.panel-row{display:block;width:100%;text-align:left;padding:8px 16px}.panel-row:hover{background:#f1f4fa}.panel-row b{display:block;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel-row.done b{color:var(--muted);text-decoration:line-through}.empty{padding:16px;color:var(--muted)}.bottom{position:absolute;left:10px;bottom:10px;display:flex;align-items:center;gap:2px;padding:4px;background:var(--bar);border-radius:10px;box-shadow:var(--shadow);z-index:5}.bottom .tool{width:34px;height:34px}.zoom-label{min-width:58px;height:34px;border-radius:7px;font-weight:600;font-size:13px}.zoom-label:hover{background:#eef1f7}.minimap{position:absolute;left:10px;bottom:62px;background:#f0f3f9;border-radius:10px;box-shadow:var(--shadow);z-index:5;cursor:pointer;touch-action:none}.cursors{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:4}.cursor{position:absolute;left:0;top:0;display:flex;align-items:flex-start;gap:2px;will-change:transform;transition:transform 70ms linear}.cursor i{width:0;height:0;border-left:7px solid var(--c);border-right:7px solid transparent;border-bottom:10px solid transparent;border-top:7px solid var(--c)}.cursor span{margin-top:10px;padding:1px 7px;border-radius:6px;background:var(--c);color:#fff;font-size:12px;white-space:nowrap}.floating{position:absolute;inset:0;pointer-events:none;z-index:8}.floating>*{pointer-events:auto}.selbar{position:absolute;left:0;top:0;display:flex;align-items:center;gap:4px;padding:5px 7px;background:#fff;border-radius:9px;box-shadow:var(--shadow);max-width:calc(100vw - 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