:root{--bg: #131319;--panel: #1c1c25;--panel-2: #23232e;--line: #2e2e3a;--text: #e9e9f0;--muted: #9a9aa9;--accent-a: #fe486f;--accent-b: #f75c36;--accent: linear-gradient(135deg, var(--accent-a), var(--accent-b));--radius: 10px;font-family:Questrial,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-header{display:flex;align-items:baseline;gap:14px;padding:14px 20px;border-bottom:1px solid var(--line);flex:0 0 auto}.app-header .wordmark{font-size:22px;letter-spacing:3px;font-weight:400;background:var(--accent);-webkit-background-clip:text;background-clip:text;color:transparent}.app-header .tag{color:var(--muted);font-size:13px;letter-spacing:.5px}.app-body{display:flex;flex:1 1 auto;min-height:0}.controls{width:320px;flex:0 0 320px;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:8px 0 40px}.stage{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}.toolbar{display:flex;align-items:center;gap:12px;padding:10px 18px;border-bottom:1px solid var(--line);flex:0 0 auto}.toolbar .meta{color:var(--muted);font-size:13px}.toolbar .meta b{color:var(--text);font-weight:400}.toolbar .spacer{flex:1 1 auto}.preview-wrap{flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center;padding:24px;background:repeating-conic-gradient(#1a1a22 0% 25%,#16161d 0% 50%) 50% / 24px 24px}canvas.preview{max-width:100%;max-height:100%;image-rendering:pixelated;box-shadow:0 8px 40px #00000080;outline:1px solid var(--line)}.section{border-bottom:1px solid var(--line);padding:12px 16px}.section>h3{margin:0 0 10px;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:400}.row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:7px 0;min-height:26px}.row>label{font-size:13px;color:var(--text);flex:0 0 auto}.row .control{flex:1 1 auto;display:flex;justify-content:flex-end;gap:6px}input[type=number],input[type=text],select{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:5px 8px;font-family:inherit;font-size:13px;width:100%;max-width:130px}input[type=number]{max-width:84px;text-align:right}select{max-width:160px}input[type=text]{max-width:100%}input:focus,select:focus{outline:none;border-color:var(--accent-a)}input[type=color]{width:36px;height:26px;padding:3px;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;cursor:pointer}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:1px solid var(--muted);border-radius:3px}input[type=range]{width:118px;accent-color:var(--accent-a)}.value-readout{color:var(--text);font-size:13px;min-width:42px;text-align:right;font-variant-numeric:tabular-nums}.switch{position:relative;width:38px;height:22px;flex:0 0 auto}.switch input{opacity:0;width:0;height:0}.switch .track{position:absolute;inset:0;border-radius:22px;background:var(--panel-2);border:1px solid var(--line);transition:.15s}.switch .track:before{content:"";position:absolute;width:16px;height:16px;border-radius:50%;left:2px;top:2px;background:var(--muted);transition:.15s}.switch input:checked+.track{background:var(--accent);border-color:transparent}.switch input:checked+.track:before{transform:translate(16px);background:#fff}button{font-family:inherit;font-size:13px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);padding:8px 14px;cursor:pointer;transition:.12s}button:hover{border-color:var(--muted)}button.primary{background:var(--accent);border-color:transparent;color:#fff;font-weight:400;letter-spacing:.3px}button.primary:hover{filter:brightness(1.08)}.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{border:none;border-radius:0;background:var(--panel-2);padding:7px 14px}.seg button.active{background:var(--accent);color:#fff}.hint{color:var(--muted);font-size:12px;margin:6px 0 0;line-height:1.4}@media(max-width:720px){.app-header{padding:12px 16px}.app-header .tag{display:none}.app-body{flex-direction:column-reverse}.stage{flex:0 0 auto}.preview-wrap{height:40vh;min-height:190px;padding:14px}.toolbar{flex-wrap:wrap;gap:8px}.toolbar .meta{flex-basis:100%}.controls{width:100%;flex:1 1 auto;border-right:none;border-bottom:1px solid var(--line)}}