:root{--panel-bg: rgba(20, 23, 30, .92);--panel-border: rgba(255, 255, 255, .08);--text: #e8eaf0;--text-dim: #9aa0ae;--accent: #6aa7ff;--accent-dim: rgba(106, 167, 255, .18)}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:var(--text)}#ui-root{position:fixed;top:0;left:0;height:100vh;pointer-events:none;z-index:10;display:flex;flex-direction:column}.panel{pointer-events:auto;width:264px;max-height:calc(100vh - 24px);overflow-y:auto;margin:12px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:10px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:10px 14px 14px;font-size:13px;scrollbar-width:thin}.panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.panel-title{min-width:0}.panel h1{font-size:16px;letter-spacing:.12em;text-transform:uppercase;margin:4px 0 2px}.panel .subtitle{color:var(--text-dim);font-size:11px;margin-bottom:10px}.panel-toggle{flex:0 0 auto;padding:4px 8px;font-size:11px}.panel.collapsed{width:auto;max-height:none;overflow:visible;padding:0;margin:12px;background:none;border:0;-webkit-backdrop-filter:none;backdrop-filter:none}.panel.collapsed .panel-header{display:block}.panel.collapsed .panel-title{display:none}.panel.collapsed .panel-toggle{min-width:0;padding:8px 10px}.panel.collapsed .panel-body{display:none}details{border-top:1px solid var(--panel-border);padding:6px 0}details summary{cursor:pointer;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);-webkit-user-select:none;user-select:none;padding:4px 0}details[open] summary{color:var(--text)}.row{display:flex;align-items:center;gap:8px;margin:6px 0}.row label{flex:0 0 64px;color:var(--text-dim);font-size:12px}.row select,.row input[type=text]{flex:1;min-width:0;background:#ffffff0f;color:var(--text);border:1px solid var(--panel-border);border-radius:6px;padding:5px 8px;font-size:12px}.row input[type=range]{flex:1;accent-color:var(--accent)}.row input[type=color]{width:30px;height:24px;padding:0;border:1px solid var(--panel-border);border-radius:6px;background:none;cursor:pointer}.row .value{color:var(--text-dim);font-size:11px;width:26px;text-align:right}button{background:#ffffff12;color:var(--text);border:1px solid var(--panel-border);border-radius:6px;padding:6px 10px;font-size:12px;cursor:pointer;transition:background .12s}button:hover:not(:disabled){background:#ffffff24}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--accent-dim);border-color:var(--accent)}button.primary:hover{background:#6aa7ff4d}.btn-row{display:flex;gap:6px;margin:8px 0 2px;flex-wrap:wrap}.btn-row button{flex:1}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:8px 0}.mode-grid button{text-align:left}.mode-grid button .key{float:right;color:var(--text-dim);font-size:10px;border:1px solid var(--panel-border);border-radius:4px;padding:0 4px;margin-left:4px}.mode-grid button.active{background:var(--accent-dim);border-color:var(--accent)}.hint{color:var(--text-dim);font-size:11px;margin:6px 0;line-height:1.5}.kbd-table{width:100%;font-size:11px;color:var(--text-dim);border-collapse:collapse}.kbd-table td{padding:2px 0}.kbd-table td:first-child{color:var(--text);font-family:monospace;width:40%}.status{color:var(--text-dim);font-size:11px;margin-top:6px}#toast{position:fixed;bottom:18px;left:50%;transform:translate(-50%);background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:8px;padding:8px 16px;font-size:13px;opacity:0;transition:opacity .25s;pointer-events:none;z-index:20}#toast.show{opacity:1}#drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#6aa7ff1f;border:3px dashed var(--accent);display:none;align-items:center;justify-content:center;font-size:20px;z-index:30;pointer-events:none}#drop-overlay.active{display:flex}#touch-3d-toggle{position:fixed;right:18px;bottom:18px;z-index:25;min-width:84px;min-height:56px;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.08em;color:var(--text-dim);background:#14171ee6;border:2px solid rgba(255,255,255,.24);box-shadow:0 8px 24px #00000047}#touch-3d-toggle.active{color:#11151d;background:#fff;border:2px solid #ffffff;box-shadow:0 8px 24px #00000047,0 0 0 4px #ffffff8c}.touch-mode-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;flex:0 0 24px}.touch-mode-icon svg{width:24px;height:24px;stroke:currentColor;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}.touch-mode-label{min-width:2.2em;text-align:left}