:root{--fit: calc(100vh - 190px) ;--bg: #0d0e10;--panel: #16181c;--panel-2: #1d2026;--line: #2a2e35;--ink: #e8e9ea;--muted: #8d939c;--accent: #e5a03c;--accent-ink: #17130a;--ok: #6fca8b;--radius: 10px}*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.shell{display:flex;flex-direction:column;height:100%}header{display:flex;align-items:center;gap:28px;padding:14px 22px;border-bottom:1px solid var(--line);background:var(--panel)}.brand{font-weight:650;letter-spacing:.2px}.brand span{display:block;font-weight:400;font-size:11.5px;color:var(--muted);letter-spacing:.3px}main{flex:1;overflow:auto;padding:22px}footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;border-top:1px solid var(--line);background:var(--panel)}.file-label{color:var(--muted);font-size:12.5px}button{background:var(--accent);color:var(--accent-ink);border:0;padding:9px 18px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer}button:hover{filter:brightness(1.08)}button:disabled{opacity:.4;cursor:default;filter:none}button.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);font-weight:500}button.ghost:hover{color:var(--ink);border-color:var(--muted);filter:none}.field{margin:18px 0}.field .row{display:flex;justify-content:space-between;align-items:baseline}.field label{font-size:12.5px;color:var(--muted)}.field output{font-size:12.5px;font-variant-numeric:tabular-nums;color:var(--ink)}select{width:100%;margin-top:6px;background:var(--panel-2);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit}input[type=range]{width:100%;margin-top:8px;-webkit-appearance:none;appearance:none;height:4px;border-radius:3px;background:var(--line);outline:none}input[type=range].temp{background:linear-gradient(90deg,#5b8fd8,#3a3f46,#e0a24c)}input[type=range].tint{background:linear-gradient(90deg,#c67fd1,#3a3f46,#7fd18a)}input[type=range].vib{background:linear-gradient(90deg,#4a4f57,#3a3f46,#4fbfb0)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:var(--ink);border:2px solid var(--bg);cursor:grab}input[type=range]::-moz-range-thumb{width:15px;height:15px;border-radius:50%;background:var(--ink);border:2px solid var(--bg);cursor:grab}.stage{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px;align-items:start}@media(max-width:900px){.stage{grid-template-columns:1fr}}aside{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}aside h2{margin:0 0 8px;font-size:15px;font-weight:650}.lede{color:var(--muted);font-size:12.8px;margin:0 0 4px}.lede em{color:var(--ink);font-style:italic}.hint{display:block;margin-top:10px;font-style:normal;font-size:12px;color:var(--muted);min-height:18px}.pagetitle{margin:0 0 14px;font-size:15px;font-weight:650}.check{display:flex;gap:10px;align-items:flex-start;cursor:pointer;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin:18px 0 10px}.check:hover{border-color:var(--muted)}.check input{accent-color:var(--accent);width:15px;height:15px;margin:1px 0 0;flex:0 0 auto;cursor:pointer}.check span{font-size:12.5px;line-height:1.35}.check em{display:block;margin-top:2px;font-style:normal;font-size:11.5px;color:var(--muted)}@media(max-width:700px){:root{--fit: calc(100dvh - 220px) }header{flex-wrap:wrap;gap:8px 12px;padding:10px 12px}.brand{font-size:15px}.brand span{display:none}main{padding:12px}.stage{gap:14px}aside{padding:14px}.pagetitle{margin-bottom:10px}footer{flex-wrap:wrap;padding:10px 12px 12px;gap:8px 12px}.file-label{order:3;width:100%;text-align:center;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}button{padding:11px 18px;min-height:44px}select{min-height:42px;padding:10px}.field{margin:20px 0}input[type=range]{height:6px;margin-top:12px}input[type=range]::-webkit-slider-thumb{width:22px;height:22px}input[type=range]::-moz-range-thumb{width:22px;height:22px}.check{padding:12px}.check input{width:18px;height:18px}}@media(max-width:420px){.file-label{display:none}}