*{box-sizing:border-box}:root{--bg: #f4f5f7;--surface: #ffffff;--surface2: #eceef1;--text: #1a1d21;--text-dim: #6b7280;--border: #d8dce2;--accent: #2563eb;--accent-soft: #dbeafe;--danger: #dc2626;--ink-default: #1a1d21;--canvas-bg: #fafbfc;--grid-dot: #d5d9df;--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 8px 30px rgba(0,0,0,.16)}[data-theme=dark]{--bg: #111418;--surface: #1b1f26;--surface2: #242a33;--text: #e8eaed;--text-dim: #9aa2ad;--border: #333a45;--accent: #4f8df9;--accent-soft: #1e3a5f;--danger: #f87171;--ink-default: #e8eaed;--canvas-bg: #14171c;--grid-dot: #2a3038;--shadow: 0 2px 8px rgba(0,0,0,.4);--shadow-lg: 0 8px 30px rgba(0,0,0,.55)}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px}button{font:inherit;color:inherit;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:7px 14px;cursor:pointer}button:hover{background:var(--surface2)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{filter:brightness(1.1)}button.icon{padding:7px 10px;line-height:1}button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 12px}input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}.topbar{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.topbar h1{font-size:17px;margin:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar .brand{font-weight:700;letter-spacing:-.02em}.topbar .brand span{color:var(--accent)}.page{max-width:1100px;margin:0 auto;padding:20px 16px 60px}.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.board-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;min-height:110px}.board-card:hover{border-color:var(--accent)}.board-card h3{margin:0;font-size:16px}.board-list{display:flex;flex-direction:column;gap:8px}.board-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 16px;cursor:pointer}.board-row:hover{border-color:var(--accent)}.board-row h3{margin:0;font-size:15px;flex:1}.muted{color:var(--text-dim);font-size:13px}.presence-chips{display:flex;gap:4px;flex-wrap:wrap}.chip{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}.chip.live:before{content:"●";margin-right:5px;font-size:9px;vertical-align:1px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:var(--surface);border-radius:14px;box-shadow:var(--shadow-lg);padding:20px;width:100%;max-width:460px;max-height:90vh;overflow:auto;display:flex;flex-direction:column;gap:12px}.modal.wide{max-width:760px}.modal h2{margin:0 0 4px;font-size:18px}.modal .row{display:flex;gap:8px;align-items:center}.modal .row.end{justify-content:flex-end}.modal label{font-size:13px;color:var(--text-dim);display:block;margin-bottom:4px}.error{color:var(--danger);font-size:13px}.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:20px}.login-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);padding:28px;width:100%;max-width:380px;display:flex;flex-direction:column;gap:12px}.login-box input{width:100%}table.files{width:100%;border-collapse:collapse;background:var(--surface);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}table.files th,table.files td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}table.files th{background:var(--surface2);font-size:13px;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}table.files tr:last-child td{border-bottom:none}table.files td.actions{white-space:nowrap;text-align:right}table.files td.actions button{padding:4px 8px;margin-left:4px;font-size:13px}.board-shell{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;background:var(--canvas-bg);touch-action:none}.board-viewport{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.board-world{position:absolute;top:0;left:0;transform-origin:0 0}.ink-canvas{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.board-shell.write-mode .board-viewport{cursor:crosshair}.board-shell.write-mode .wb-item,.board-shell.write-mode .wb-image{pointer-events:none}.wb-item{position:absolute;display:flex;flex-direction:column;align-items:center;gap:4px;width:92px;padding:8px 4px;border-radius:10px;cursor:grab;user-select:none;-webkit-user-select:none}.wb-item.selected{background:var(--accent-soft);outline:1.5px solid var(--accent)}.wb-item .icon-box{font-size:40px;line-height:1;pointer-events:none}.wb-item .thumb{width:76px;height:58px;object-fit:cover;border-radius:6px;border:1px solid var(--border);pointer-events:none;background:var(--surface2)}.wb-item .label{font-size:12px;text-align:center;word-break:break-word;max-height:3.6em;overflow:hidden;pointer-events:none;background:var(--canvas-bg);border-radius:4px;padding:0 3px}.wb-image{position:absolute;cursor:grab;user-select:none;-webkit-user-select:none}.wb-image img{width:100%;height:100%;display:block;pointer-events:none;border-radius:2px}.wb-image.selected{outline:2px solid var(--accent)}.toolbar{position:fixed;left:50%;bottom:18px;transform:translate(-50%);display:flex;gap:6px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;z-index:100;flex-wrap:wrap;justify-content:center;max-width:calc(100vw - 20px)}.toolbar .sep{width:1px;align-self:stretch;background:var(--border);margin:2px}.color-dot{width:26px;height:26px;border-radius:50%;border:2px solid 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var(--border);border-radius:10px;box-shadow:var(--shadow);z-index:90;overflow:hidden;cursor:pointer}.remote-cursor{position:absolute;pointer-events:none;z-index:80;transform:translate(-2px,-2px)}.remote-cursor .dot{width:10px;height:10px;border-radius:50%}.remote-cursor .tag{font-size:11px;padding:1px 6px;border-radius:6px;color:#fff;margin-top:2px;white-space:nowrap}.ctx-menu{position:fixed;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);z-index:300;min-width:200px;padding:6px;display:flex;flex-direction:column}.ctx-menu button{border:none;background:none;text-align:left;padding:8px 12px;border-radius:6px;font-size:14px}.ctx-menu button:hover{background:var(--surface2)}.ctx-menu button.danger{color:var(--danger)}.ctx-menu .sep{height:1px;background:var(--border);margin:4px 0}.userbtn{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;border:none;font-weight:700;cursor:pointer;flex-shrink:0}.menu-pop{position:absolute;top:52px;right:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);z-index:150;padding:6px;min-width:220px;display:flex;flex-direction:column}.menu-pop button{border:none;background:none;text-align:left;padding:9px 12px;border-radius:8px}.menu-pop button:hover{background:var(--surface2)}.menu-pop .who{padding:8px 12px;border-bottom:1px solid var(--border);margin-bottom:4px}.menu-pop .who b{display:block}.table-editor{display:grid;gap:1px;background:var(--border);border:1px solid var(--border);overflow:auto;max-height:55vh}.table-editor input{border:none;border-radius:0;padding:6px 8px;font-size:13px;min-width:90px}@media (max-width: 640px){.toolbar{bottom:8px;padding:6px;gap:4px}.board-topbar .title{max-width:34vw;font-size:13px}.minimap{display:none}}