:root{--bg:#1a1a2e;--panel:#16213e;--panel-light:#0f3460;--accent:#e94560;--text:#eee;--text-dim:#89a;--border:#233}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif;font-size:14px}.app-layout{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;width:320px;min-width:320px;display:flex;overflow-y:auto}.main-area{flex-direction:column;flex:1;display:flex;overflow:hidden}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:12px;padding:10px 16px;display:flex}.canvas-area{background:#0d1117;flex:1;justify-content:center;align-items:flex-start;padding:20px;display:flex;overflow:auto}.sidebar-section{border-bottom:1px solid var(--border);padding:16px}.sidebar-section h3{text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:10px;font-size:13px}.btn{background:var(--panel-light);color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:4px;padding:6px 14px;font-size:13px;transition:background .15s}.btn:hover{background:#1a4a7a}.btn-primary{background:var(--accent);border-color:var(--accent)}.btn-primary:hover{background:#ff5a7a}.btn-sm{padding:3px 8px;font-size:12px}.btn-danger{background:#c0392b;border-color:#c0392b}.btn-danger:hover{background:#e74c3c}.group-item,.block-item{cursor:pointer;border:1px solid #0000;border-radius:4px;flex-direction:column;margin-bottom:6px;padding:8px;transition:background .15s;display:flex}.group-item:hover,.block-item:hover{background:#ffffff0d}.group-item.active,.block-item.active{border-color:var(--accent);background:#e945601a}.group-item{flex-direction:row;align-items:center;gap:8px}.block-item-header{align-items:center;gap:8px;display:flex}.block-name{flex:1;font-size:13px}.block-type-badge{color:var(--text-dim);background:#ffffff14;border-radius:8px;padding:1px 6px;font-size:10px}.block-params{border-top:1px solid var(--border);margin-top:8px;padding-top:8px}.group-color-swatch{border:1px solid #fff3;border-radius:4px;flex-shrink:0;width:20px;height:20px}.group-name{flex:1;font-size:13px}.group-count{color:var(--text-dim);background:#ffffff14;border-radius:10px;padding:2px 6px;font-size:11px}.input{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:4px;width:100%;padding:6px 10px;font-size:13px}.input:focus{border-color:var(--accent);outline:none}label{color:var(--text-dim);margin-bottom:4px;font-size:12px;display:block}.form-row{margin-bottom:10px}.form-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.level-tabs{gap:4px;display:flex}.level-tab{text-align:center;background:var(--bg);border:1px solid var(--border);cursor:pointer;border-radius:4px;flex:1;padding:8px 12px;font-size:13px;transition:all .15s}.level-tab.active{background:var(--panel-light);border-color:var(--panel-light);color:#fff}.seat{cursor:pointer;transition:opacity .15s}.seat:hover{opacity:.7}.seat-blocked{opacity:.25}.print-view{display:none}@media print{.app-layout{display:none!important}.print-view{padding:20px;display:block!important}}.print-legend{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}.print-legend-item{align-items:center;gap:6px;font-size:14px;display:flex}.print-legend-swatch{border:1px solid #333;border-radius:3px;width:18px;height:18px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.mode-toggle{border:1px solid var(--border);border-radius:4px;gap:0;display:flex;overflow:hidden}.mode-toggle button{background:var(--bg);color:var(--text);cursor:pointer;border:none;padding:6px 16px;font-size:13px;transition:background .15s}.mode-toggle button.active{background:var(--accent)}.info-bar{color:var(--text-dim);background:var(--panel);border-top:1px solid var(--border);gap:20px;padding:6px 16px;font-size:12px;display:flex}.seat-tooltip{background:var(--bg);border:1px solid var(--border);pointer-events:none;z-index:1000;white-space:nowrap;border-radius:4px;padding:6px 10px;font-size:12px;position:fixed}