:root{--primary:#3b82f6;--primary-hover:#2563eb;--bg-app:#f1f5f9;--bg-card:#fff;--text-main:#1e293b;--text-muted:#64748b;--border-color:#e2e8f0;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a}body,html{background-color:var(--bg-app);width:100%;height:100%;color:var(--text-main);margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden}.navbar{z-index:1000;pointer-events:none;justify-content:space-between;align-items:center;height:64px;padding:0 20px;display:flex;position:fixed;top:0;left:0;right:0}.navbar-left,.navbar-center,.navbar-right{pointer-events:auto;align-items:center;gap:12px;display:flex}.logo{color:var(--primary);background:var(--bg-card);box-shadow:var(--shadow);border-radius:12px;margin:0;padding:8px 16px;font-size:1.1rem;font-weight:700}.floating-toolbar{background:var(--bg-card);box-shadow:var(--shadow);border:1px solid var(--border-color);border-radius:16px;align-items:center;gap:4px;padding:6px;display:flex}.floating-toolbar button{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:10px;align-items:center;padding:8px;transition:all .2s;display:flex}.floating-toolbar button:hover{background:var(--bg-app);color:var(--text-main)}.divider{background:var(--border-color);width:1px;height:24px;margin:0 4px}#color-picker{cursor:pointer;background:0 0;border:none;width:32px;height:32px;padding:0}.room-info{background:var(--bg-card);box-shadow:var(--shadow);border-radius:12px;align-items:center;gap:8px;padding:6px 12px;font-size:.9rem;font-weight:500;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;background:#0f172a66;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-content{background:#fff;border-radius:20px;width:90%;max-width:400px;padding:24px;box-shadow:0 20px 25px -5px #0000001a}#board-container{z-index:1;background-color:#f8fafc;width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:auto}button{cursor:pointer;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-main);border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-family:inherit;font-size:.9rem;font-weight:500;transition:all .2s;display:inline-flex}button:hover{background:var(--bg-app);border-color:#cbd5e1}.floating-toolbar button{color:var(--text-muted);background:0 0;border:none;padding:8px}.floating-toolbar button.active{color:var(--primary);background:#eff6ff}.primary-btn{background:var(--primary)!important;color:#fff!important;border:none!important}.primary-btn:hover{background:var(--primary-hover)!important}.secondary-btn{background:var(--bg-card)}.danger-btn{color:#ef4444!important;background:#fee2e2!important;border:1px solid #fecaca!important}.danger-btn:hover{background:#fecaca!important}#whiteboard{background-color:#fff;width:5000px;height:5000px;position:relative}.grid-bg{background-image:linear-gradient(90deg,#f1f5f9 1px,#0000 1px),linear-gradient(#f1f5f9 1px,#0000 1px);background-size:40px 40px}.drawing-svg{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0;overflow:visible}.drawing-path{pointer-events:stroke;cursor:move}.sticky-note{cursor:move;text-align:center;-webkit-user-select:none;user-select:none;z-index:10;pointer-events:auto;touch-action:none;z-index:100;box-sizing:border-box;border-radius:4px;justify-content:center;align-items:center;width:180px;min-height:120px;padding:15px;font-weight:500;display:flex;position:absolute;overflow:visible;box-shadow:0 4px 10px #00000026}.resize-handle{cursor:nwse-resize;clip-path:polygon(100% 0,100% 100%,0 100%);background:#0000001a;border-radius:0 0 4px;width:15px;height:15px;transition:background .2s;position:absolute;bottom:0;right:0}.resize-handle:hover{background:#0000004d}.lucide{width:20px;height:20px}@media (width<=768px){.logo{display:none}.navbar{flex-direction:column;gap:10px;height:auto;padding:10px}.navbar-center{order:2}.navbar-right{order:1;justify-content:space-between;width:100%}}.hidden{display:none!important}.status-dot{background-color:#cbd5e1;border-radius:50%;width:8px;height:8px;transition:background-color .3s}.status-dot.connected{background-color:#22c55e}.status-text{color:var(--text-muted);margin-right:4px;font-size:.75rem}.room-info .divider{height:16px;margin:0 8px}.color-settings{flex-wrap:wrap;align-items:center;gap:15px;margin:10px 0;display:flex}.color-settings label{color:var(--text-muted);align-items:center;gap:5px;font-size:.85rem;display:flex}#sticky-font-size{border:1px solid var(--border-color);border-radius:4px;width:60px;padding:4px}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.sticky-note:focus{outline:3px solid var(--primary);box-shadow:0 0 15px #3b82f680}.modal-content input:focus,.modal-content textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px #3b82f633}