*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #101318;--panel: #161b22;--panel-2: #1d2430;--border: #2a303a;--fg: #dfe3ea;--muted: #7a8494;--accent: #4a9eff;--mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, "Cascadia Mono", Consolas, monospace}html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font:12px/1.5 var(--mono)}body{display:flex;flex-direction:column}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}kbd{font-family:var(--mono);font-size:10px;line-height:1;color:var(--muted);background:var(--panel-2);border:1px solid #333c4c;border-bottom-width:2px;border-radius:4px;padding:2px 5px 1px}#toolbar{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border);-webkit-user-select:none;user-select:none}.logo{font-weight:600;margin-right:14px;color:var(--fg)}.logo:after{content:"▌";color:var(--accent);animation:blink 1.2s steps(2) infinite}@keyframes blink{50%{opacity:0}}#toolbar button{display:inline-flex;align-items:center;gap:6px;background:transparent;color:var(--fg);border:1px solid transparent;border-radius:6px;padding:5px 9px;cursor:pointer;font:inherit}#toolbar button:hover{background:var(--panel-2)}#toolbar button.active{background:#23344d;border-color:var(--accent)}#toolbar button.active kbd{color:var(--accent);border-color:#33507a}#toolbar button.primary{background:var(--accent);color:#0b1017;font-weight:600}#toolbar button.primary:hover{background:#6cb0ff}#toolbar button.primary kbd{background:#0000002e;border-color:transparent;color:inherit}#help{color:var(--muted)}.sep{width:1px;height:18px;background:var(--border);margin:0 6px}.spacer{flex:1}#stage{position:relative;flex:1;overflow:hidden}#canvas{display:block;touch-action:none}#props{position:absolute;top:12px;right:12px;width:240px;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:8px}#props .row{display:flex;align-items:center;gap:8px}#props .row>label{width:56px;color:var(--muted);flex-shrink:0}#props input[type=text],#props input:not([type]),#props select{flex:1;min-width:0;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:5px;padding:4px 6px;font:inherit}#props input[type=range]{flex:1;min-width:0;accent-color:var(--accent)}#props .num{width:38px;text-align:right;color:var(--muted);font-size:11px}#props .checks{display:flex;gap:10px}#props .checks label{display:flex;align-items:center;gap:4px;color:var(--fg)}#props button{background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:5px;padding:3px 10px;cursor:pointer;font:inherit}#props button:hover{border-color:var(--accent)}#props .note{color:var(--muted);font-size:11px}#editor{position:absolute;background:var(--bg);color:var(--fg);border:none;outline:1px dashed var(--accent);resize:none;overflow:hidden;white-space:pre;padding:0 2px;font-family:var(--mono)}#toast{position:absolute;bottom:16px;left:50%;transform:translate(-50%);background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:6px 14px;pointer-events:none}#statusbar{display:flex;justify-content:space-between;align-items:center;padding:4px 12px;background:var(--panel);border-top:1px solid var(--border);color:var(--muted);font-size:11px;-webkit-user-select:none;user-select:none}#statusbar .right{display:flex;align-items:center;gap:14px}#statusbar .schint{cursor:pointer}#statusbar .schint:hover{color:var(--fg)}#pos{min-width:64px;text-align:right}#shortcuts{position:fixed;top:0;right:0;bottom:0;left:0;background:#06080c8c;display:flex;align-items:center;justify-content:center;z-index:10}#shortcuts[hidden]{display:none}.sc-card{width:420px;max-height:80vh;overflow-y:auto;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 20px 18px;box-shadow:0 12px 40px #00000080}.sc-title{font-weight:600;margin-bottom:4px}.sc-title:before{content:"── ";color:var(--muted)}.sc-title:after{content:" ──";color:var(--muted)}.sc-section{color:var(--accent);margin:12px 0 4px}.sc-section:before{content:"# ";color:var(--muted)}.sc{display:flex;align-items:baseline;gap:8px;padding:3px 0}.sc>span:first-child{color:var(--fg)}.sc>i{flex:1;border-bottom:1px dotted var(--border);transform:translateY(-3px)}.sc .keys{color:var(--muted);display:inline-flex;align-items:center;gap:4px;white-space:nowrap}