:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden;background:#0f0f14;color:#fafafa}.app{display:flex;flex-direction:column;height:100vh;outline:none}.topbar{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 16px;background:#16161e;border-bottom:1px solid rgba(255,255,255,.06);z-index:100;flex-shrink:0}.topbar-left{display:flex;align-items:center;gap:16px}.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:#fafafa}.board-name{font-size:13px;color:#ffffff80;padding-left:16px;border-left:1px solid rgba(255,255,255,.1)}.topbar-center{display:flex;align-items:center}.avatars{display:flex;align-items:center;gap:0}.avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#1a1a2e;margin-left:-6px;border:2px solid #16161e;cursor:default}.avatar:first-child{margin-left:0}.online-dot{width:8px;height:8px;border-radius:50%;background:#34d399;margin-left:10px;animation:pulse-dot 2s ease-in-out infinite}.online-text{font-size:12px;color:#ffffff80;margin-left:4px}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.topbar-right{display:flex;align-items:center;gap:8px}.topbar-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:6px;border:1px solid rgba(255,255,255,.12);background:#ffffff0a;color:#fafafa;font-size:13px;cursor:pointer;transition:background .15s}.topbar-btn:hover{background:#ffffff14}.toolbar{display:flex;align-items:center;gap:4px;padding:8px 16px;background:#16161e;border-bottom:1px solid rgba(255,255,255,.06);z-index:100;flex-shrink:0}.tool-btn{width:36px;height:36px;border-radius:8px;border:1px solid transparent;background:transparent;color:#ffffffa6;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.tool-btn:hover{background:#ffffff0f;color:#fafafa}.tool-btn.active{background:#8b5cf633;border-color:#8b5cf666;color:#a78bfa}.tool-icon{font-size:16px;line-height:1}.tool-separator{width:1px;height:24px;background:#ffffff14;margin:0 6px}.color-picker{display:flex;align-items:center;gap:3px}.color-swatch{width:20px;height:20px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:all .15s}.color-swatch:hover{transform:scale(1.2)}.color-swatch.active{border-color:#fafafa;box-shadow:0 0 0 2px #8b5cf680}.canvas{flex:1;position:relative;overflow:hidden;background:#0f0f14}.cursor-select{cursor:default}.cursor-pan{cursor:grab}.cursor-sticky,.cursor-rect,.cursor-ellipse,.cursor-diamond,.cursor-arrow{cursor:crosshair}.cursor-text{cursor:text}.grid-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.15;background-image:radial-gradient(circle,rgba(255,255,255,.5) 1px,transparent 1px);background-size:40px 40px}.elements-layer{position:absolute;top:0;left:0;width:0;height:0}.sticky-note{position:absolute;border-radius:4px;padding:0;box-shadow:0 4px 20px #0006,0 1px 4px #0000004d;cursor:move;-webkit-user-select:none;user-select:none;display:flex;flex-direction:column;transition:box-shadow .15s}.sticky-note:hover{box-shadow:0 8px 30px #00000080,0 2px 8px #0006}.sticky-header{height:6px;border-radius:4px 4px 0 0;flex-shrink:0}.sticky-text{flex:1;padding:10px 12px;font-size:13px;line-height:1.5;font-weight:500;overflow:hidden;word-break:break-word}.sticky-textarea{flex:1;padding:10px 12px;font-size:13px;line-height:1.5;font-weight:500;background:transparent;border:none;outline:none;resize:none;font-family:inherit}.shape{position:absolute;border:2px solid;display:flex;align-items:center;justify-content:center;cursor:move;-webkit-user-select:none;user-select:none;transition:box-shadow .15s}.shape-rect{border-radius:8px}.shape-ellipse{border-radius:50%}.shape-diamond{border-radius:4px;transform:rotate(45deg)}.shape-diamond .shape-text,.shape-diamond .shape-textarea{transform:rotate(-45deg)}.shape-text{font-size:13px;font-weight:600;text-align:center;padding:8px;word-break:break-word}.shape-textarea{width:100%;height:100%;padding:8px;font-size:13px;font-weight:600;text-align:center;background:transparent;border:none;outline:none;resize:none;font-family:inherit}.text-el{position:absolute;cursor:move;-webkit-user-select:none;user-select:none;font-weight:700;min-width:40px;min-height:24px}.inline-textarea{background:transparent;border:none;outline:none;resize:none;font-family:inherit;font-weight:700;min-width:60px;min-height:24px}.arrow-el{position:absolute;height:4px;pointer-events:none;transform-origin:0 50%}.arrow-line{position:absolute;top:0;left:0}.arrow-head{position:absolute;top:-6px}.arrow-preview{z-index:50}.selection-ring{position:absolute;top:-3px;right:-3px;bottom:-3px;left:-3px;border:2px solid #8b5cf6;border-radius:inherit;pointer-events:none;animation:selection-pulse 1.5s ease-in-out infinite}.shape-diamond .selection-ring{border-radius:4px}.shape-ellipse .selection-ring{border-radius:50%}@keyframes selection-pulse{0%,to{opacity:1}50%{opacity:.5}}.collab-cursor{position:absolute;pointer-events:none;transition:left .8s ease-out,top .8s ease-out;z-index:60}.cursor-name{position:absolute;left:16px;top:14px;font-size:11px;font-weight:600;color:#1a1a2e;padding:1px 6px;border-radius:4px;white-space:nowrap}.minimap{position:absolute;bottom:48px;right:12px;width:160px;height:100px;background:#16161ee6;border:1px solid rgba(255,255,255,.1);border-radius:8px;overflow:hidden;z-index:80;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.minimap-viewport{width:100%;height:100%;padding:8px}.zoom-controls{position:absolute;bottom:12px;right:12px;display:flex;align-items:center;gap:2px;background:#16161ee6;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:4px;z-index:80;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.zoom-btn{width:32px;height:28px;border:none;background:transparent;color:#ffffffb3;font-size:16px;cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:background .15s}.zoom-btn:hover{background:#ffffff14;color:#fafafa}.zoom-label{font-size:12px;color:#ffffff80;min-width:40px;text-align:center;font-variant-numeric:tabular-nums}.hint-bar{display:flex;align-items:center;justify-content:center;gap:4px;height:28px;background:#16161e;border-top:1px solid rgba(255,255,255,.06);font-size:11px;color:#ffffff59;flex-shrink:0}.hint-key{display:inline-block;padding:1px 5px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);border-radius:3px;font-size:10px;font-family:ui-monospace,monospace;color:#ffffff80}