:root{--bg: #f4f5f8;--dot: #d4d8e0;--ink: #1f2430;--muted: #6b7280;--accent: #4f46e5;--panel: #ffffff;--border: #e6e8ee;--shadow: 0 6px 24px rgba(20, 23, 40, .14)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);overflow:hidden;-webkit-font-smoothing:antialiased}.app{position:fixed;top:0;right:0;bottom:0;left:0}.canvas{position:absolute;top:0;right:0;bottom:0;left:0;background-color:var(--bg);background-image:radial-gradient(circle,var(--dot) 1.4px,transparent 1.4px);overflow:hidden;touch-action:none}.cursor-grab{cursor:grab}.cursor-cross{cursor:crosshair}.world{position:absolute;top:0;left:0;will-change:transform}.element{position:absolute}.sticky-body{width:100%;height:100%;border-radius:6px;box-shadow:0 4px 10px #1417281f;padding:12px 12px 20px;display:flex;flex-direction:column}.sticky-text{flex:1;white-space:pre-wrap;word-break:break-word;font-size:15px;line-height:1.35;overflow:hidden}.sticky-text-edit{flex:1;width:100%;border:none;background:transparent;resize:none;outline:none;font:inherit;font-size:15px;line-height:1.35}.sticky-author{font-size:11px;color:#1f243080;margin-top:4px}.text-view,.text-edit{width:100%;height:100%;font-weight:600;line-height:1.3}.text-view{white-space:pre-wrap;word-break:break-word}.text-edit{border:none;background:transparent;resize:none;outline:none;font-family:inherit;font-weight:600}.sticker-view{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:54px;-webkit-user-select:none;user-select:none}.image-view{width:100%;height:100%;object-fit:contain;border-radius:6px;box-shadow:0 4px 12px #14172829;-webkit-user-select:none;user-select:none}.image-view.placeholder{display:flex;align-items:center;justify-content:center;background:#e9ebf0;color:var(--muted)}.column-body{width:100%;height:100%;border-radius:18px;border:2px dashed rgba(31,36,48,.12)}.column-header{padding:18px 22px 12px}.column-title,.column-title-edit{font-family:Caveat,Segoe Script,cursive;font-size:32px;font-weight:700;line-height:1.05;color:var(--ink)}.column-title-edit{width:100%;border:none;background:transparent;outline:none;resize:none}.column-subtitle{font-size:13px;color:var(--muted);margin-top:6px;max-width:92%}.element-toolbar{position:absolute;top:-46px;left:0;display:flex;align-items:center;gap:4px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:4px 6px;box-shadow:var(--shadow)}.color-dots{display:flex;gap:3px}.color-dot{width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,.12);cursor:pointer;padding:0}.tb-btn{border:none;background:transparent;cursor:pointer;border-radius:6px;padding:3px 7px;font-size:13px;white-space:nowrap}.tb-btn:hover{background:#f0f1f5}.tb-btn.active{background:#e8eaff}.tb-btn.danger:hover{background:#fde8e8}.element-badges{position:absolute;bottom:-10px;right:8px;display:flex;gap:3px;align-items:center}.vote-badge{background:var(--accent);color:#fff;font-size:12px;font-weight:700;border-radius:10px;padding:1px 7px;box-shadow:0 2px 5px #14172838}.reaction-badge{font-size:16px;filter:drop-shadow(0 1px 1px rgba(0,0,0,.15))}.resize-handle{position:absolute;right:-7px;bottom:-7px;width:14px;height:14px;border-radius:3px;background:#fff;border:2px solid var(--accent);cursor:nwse-resize}.remote-cursor{position:absolute;top:0;left:0;pointer-events:none;z-index:50}.remote-cursor-label{position:absolute;left:14px;top:14px;color:#fff;font-size:11px;font-weight:600;padding:1px 7px;border-radius:8px;white-space:nowrap}.topbar{position:absolute;top:14px;left:16px;right:16px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none}.topbar-left,.topbar-right{pointer-events:auto;display:flex;align-items:center;gap:10px}.board-title{font-family:Caveat,Segoe Script,cursive;font-size:36px;font-weight:700;border:none;background:transparent;outline:none;color:var(--ink);padding:0 8px;border-radius:8px;min-width:220px}.board-title:hover,.board-title:focus{background:#ffffffb3}.avatars{display:flex;padding-left:8px}.avatar{width:32px;height:32px;border-radius:50%;border:2px solid #fff;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;margin-left:-8px;box-shadow:0 1px 3px #00000040}.avatar.more{background:#9ca3af}.conn-dot{width:9px;height:9px;border-radius:50%}.conn-dot.on{background:#22c55e}.conn-dot.off{background:#f59e0b}.share-btn{background:var(--accent);color:#fff;border:none;border-radius:9px;padding:9px 15px;font-weight:600;font-size:14px;cursor:pointer;box-shadow:var(--shadow)}.share-btn:hover{filter:brightness(1.06)}.toolbar{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:8px 10px;box-shadow:var(--shadow)}.tool{width:38px;height:38px;border:none;background:transparent;border-radius:9px;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}.tool:hover{background:#f0f1f5}.tool.active{background:#e8eaff;outline:2px solid var(--accent)}.tool-divider{width:1px;height:26px;background:var(--border);margin:0 2px}.tool-wrap{position:relative}.palette{display:flex;gap:4px;padding:0 2px}.palette-dot{width:18px;height:18px;border-radius:50%;border:1px solid rgba(0,0,0,.12);cursor:pointer;padding:0}.popover{position:absolute;bottom:52px;left:50%;transform:translate(-50%);background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:10px;box-shadow:var(--shadow);z-index:60}.popover-title{font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:600}.sticker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}.sticker-cell{width:42px;height:42px;border:none;background:transparent;border-radius:8px;font-size:22px;cursor:pointer}.sticker-cell:hover{background:#f0f1f5}.zoom-controls{position:absolute;bottom:20px;right:20px;display:flex;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.zoom-controls button{border:none;background:transparent;padding:9px 13px;font-size:16px;cursor:pointer}.zoom-controls button:hover{background:#f0f1f5}.zoom-pct{font-size:13px!important;min-width:56px;font-weight:600}.undo-redo{position:absolute;bottom:20px;left:20px;display:flex;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.undo-redo button{border:none;background:transparent;padding:9px 14px;font-size:18px;cursor:pointer;color:var(--ink)}.undo-redo button:hover:not(:disabled){background:#f0f1f5}.undo-redo button:disabled{opacity:.35;cursor:default}.column-title-placeholder{color:var(--muted);opacity:.6}.timer-widget{position:absolute;top:16px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:4px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:6px 8px;box-shadow:var(--shadow)}.timer-widget button{border:none;background:transparent;cursor:pointer;border-radius:8px;width:32px;height:32px;font-size:15px}.timer-widget button:hover{background:#f0f1f5}.timer-time{font-variant-numeric:tabular-nums;font-weight:700;font-size:16px;min-width:64px;text-align:center}.timer-widget.times-up{background:#fee2e2;border-color:#fca5a5;animation:flash 1s infinite}.timer-widget.times-up .timer-time{color:#dc2626;min-width:92px}@keyframes flash{50%{background:#fff}}.timer-popover{left:auto;right:0;bottom:auto;top:44px;transform:none}.preset-row{display:flex;gap:4px}.preset{padding:6px 10px;border:1px solid var(--border);background:#fff;border-radius:8px;cursor:pointer;font-size:13px}.preset.active,.preset:hover{background:#e8eaff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#14172873;display:flex;align-items:center;justify-content:center;z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:#fff;border-radius:18px;padding:28px;width:min(420px,92vw);box-shadow:0 20px 60px #0000004d}.modal h2{margin:0 0 6px;font-size:22px}.muted{color:var(--muted);font-size:14px;margin:0 0 16px}.text-input{width:100%;padding:12px 14px;border:2px solid var(--border);border-radius:10px;font-size:15px;outline:none}.text-input:focus{border-color:var(--accent)}.color-row{display:flex;gap:8px;margin:14px 0 18px;flex-wrap:wrap}.color-pick{width:30px;height:30px;border-radius:50%;border:2px solid #fff;cursor:pointer;box-shadow:0 1px 3px #0003}.primary-btn{width:100%;background:var(--accent);color:#fff;border:none;padding:13px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer}.primary-btn:hover{filter:brightness(1.06)}