:root{--bg: #0f1115;--surface: #1a1d24;--surface-2: #232730;--border: #2d323d;--text: #e6e8ec;--text-dim: #9aa1ad;--accent: #4f7cff;--accent-hover: #6a90ff;--danger: #ff5f56;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}button{font-family:inherit;cursor:pointer}.auth-screen{height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:32px;display:flex;flex-direction:column;gap:14px}.auth-title{margin:0;font-size:24px;text-align:center}.auth-subtitle{margin:0 0 8px;text-align:center;color:var(--text-dim);font-size:14px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-dim)}.field input{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-size:14px}.field input:focus{outline:none;border-color:var(--accent)}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:11px;font-size:14px;font-weight:600}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:default}.link-btn{background:none;border:none;color:var(--accent);font-size:13px;padding:4px}.auth-error{background:#ff5f561f;border:1px solid rgba(255,95,86,.4);color:#ff8b84;padding:9px 12px;border-radius:8px;font-size:13px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--surface)}.topbar h2{margin:0;font-size:16px}.topbar .user{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-dim)}.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 12px;font-size:13px}.btn-secondary:hover{border-color:var(--accent)}.center-note{display:flex;height:100%;align-items:center;justify-content:center;color:var(--text-dim)}.page{height:100%;display:flex;flex-direction:column}.dashboard{flex:1;padding:24px;max-width:960px;width:100%;margin:0 auto;overflow-y:auto}.create-row{display:flex;gap:10px;margin-bottom:20px}.create-row input{flex:1;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-size:14px}.create-row input:focus{outline:none;border-color:var(--accent)}.empty-note{color:var(--text-dim);text-align:center;padding:60px 0}.canvas-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.canvas-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;transition:border-color .15s,transform .05s}.canvas-card:hover{border-color:var(--accent)}.canvas-card:active{transform:scale(.99)}.canvas-card-name{font-size:16px;font-weight:600;margin-bottom:6px}.canvas-card-meta{font-size:12px;color:var(--accent);margin-bottom:4px}.canvas-card-date{font-size:12px;color:var(--text-dim)}.board-title{display:flex;align-items:center;gap:12px}.members{display:flex;gap:6px;flex-wrap:wrap}.member-chip{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:3px 10px;font-size:12px;color:var(--text)}.invite-bar{display:flex;align-items:center;gap:12px;padding:10px 20px;border-bottom:1px solid var(--border);background:var(--surface)}.invite-form{display:flex;gap:8px}.invite-form input{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:8px 12px;color:var(--text);font-size:13px}.invite-form input:focus{outline:none;border-color:var(--accent)}.invite-msg{font-size:13px;color:var(--text-dim)}.board-canvas-placeholder{flex:1}.toolbar{display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid var(--border);background:var(--surface)}.tool-group{display:flex;gap:6px}.tool-group.colors{gap:8px}.tool-sep{width:1px;height:24px;background:var(--border)}.tool-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:16px}.tool-btn:hover:not(:disabled){border-color:var(--accent)}.tool-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.tool-btn.danger:hover:not(:disabled){border-color:var(--danger)}.tool-btn:disabled{opacity:.4;cursor:default}.swatch{width:24px;height:24px;border-radius:6px;border:2px solid transparent;padding:0}.swatch.active{border-color:var(--text);box-shadow:0 0 0 2px var(--bg)}.canvas-wrap{flex:1;overflow:hidden;position:relative;background:radial-gradient(circle,var(--border) 1px,transparent 1px) 0 0 / 24px 24px,var(--bg)}.conn-dot{width:9px;height:9px;border-radius:50%}.conn-dot.online{background:var(--accent-2, #27c93f)}.conn-dot.offline{background:var(--text-dim)}.member-chip.online{border-color:#27c93f;color:#fff}.cursor-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.remote-cursor{position:absolute;top:0;left:0;display:flex;align-items:flex-start;gap:2px;will-change:transform;transition:transform .05s linear}.cursor-label{font-size:11px;color:#fff;padding:1px 6px;border-radius:6px;white-space:nowrap;margin-top:10px}.canvas-svg{width:100%;height:100%;display:block;touch-action:none}.selection-outline{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-dasharray:4 3;pointer-events:none}.handle{fill:#fff;stroke:var(--accent);stroke-width:1.5;cursor:nwse-resize}