:root{--bg: #ffffff;--fg: #1a1a1a;--muted: #6b7280;--border: #e5e7eb;--accent: #2563eb;--accent-fg: #ffffff;--error: #dc2626;--card: #f9fafb}@media (prefers-color-scheme: dark){:root{--bg: #111318;--fg: #e7e9ee;--muted: #9ca3af;--border: #2a2e37;--accent: #3b82f6;--accent-fg: #ffffff;--error: #f87171;--card: #1a1d24}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}.app-header{padding:16px;border-bottom:1px solid var(--border)}.app-header h1{margin:0;font-size:1.4rem}.app-header p{margin:0}.app-main{max-width:720px;margin:0 auto;padding:16px}.muted{color:var(--muted);font-size:.9em}.error{color:var(--error)}a{color:var(--accent)}.generator-list{display:grid;gap:12px;grid-template-columns:1fr}@media (min-width: 640px){.generator-list{grid-template-columns:1fr 1fr}}.card{display:block;padding:16px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:inherit;text-decoration:none}.card h2{margin:0 0 4px;font-size:1.1rem;color:var(--accent)}.card p{margin:4px 0}.dynamic-form{display:grid;gap:16px;margin:20px 0}.form-field label{display:block;font-weight:600;margin-bottom:4px}.form-field-inline{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.form-field-inline label{margin-bottom:0}.form-field input[type=number],.form-field input[type=text],.form-field select{width:100%;max-width:320px;padding:10px;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg)}.input-with-unit{display:flex;align-items:center;gap:8px}.unit{color:var(--muted)}.help{margin:4px 0 0;color:var(--muted);font-size:.85em}.field-error{margin:4px 0 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solid var(--border);border-radius:10px;overflow:hidden;background:var(--card)}.viewer-canvas{width:100%;height:min(60vh,420px);touch-action:none}.viewer-canvas canvas{display:block;width:100%!important;height:100%!important}.viewer-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;margin:0;padding:16px;text-align:center;pointer-events:none}.viewer-dims{position:absolute;top:8px;left:10px;padding:4px 8px;border-radius:6px;font-size:.8rem;font-variant-numeric:tabular-nums;background:color-mix(in srgb,var(--bg) 72%,transparent);color:var(--fg);pointer-events:none}.viewer-toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:8px;border-top:1px solid var(--border)}.viewer-toolbar button{flex:1 1 auto;min-width:68px;min-height:40px;padding:6px 10px;font-size:.85rem;color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:8px;cursor:pointer}.viewer-toolbar button:hover{border-color:var(--accent)}.viewer-toolbar button.active{color:var(--accent-fg);background:var(--accent);border-color:var(--accent)}.form-group-title{margin:4px 0 12px;padding-bottom:6px;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--border)}.form-group-fields{display:grid;gap:16px}.viewer-filament{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:8px;border-top:1px solid var(--border);font-size:.8rem}.viewer-filament .muted{margin-right:4px}.swatch{width:28px;height:28px;padding:0;border:2px solid var(--border);border-radius:50%;cursor:pointer;box-shadow:inset 0 0 0 1px #0000001f}.swatch.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}.swatch-custom{position:relative;overflow:hidden;background:conic-gradient(#e8772e,#e9c13a,#4c9a4c,#2b4c9b,#7d4fa3,#c8322b,#e8772e)}.swatch-custom input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px}.app-header h1 a{color:inherit;text-decoration:none}.app-nav a{padding:8px 14px;border:1px solid var(--border);border-radius:8px;text-decoration:none;font-weight:600}.card-batch{border-style:dashed}.batch-page .app-main,.batch-page{max-width:none}.batch-controls{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;margin:16px 0 8px}.batch-controls label{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:.9rem}.batch-controls input,.batch-controls select{padding:10px;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);min-width:90px}.batch-controls .generate-button{width:auto;flex:1 1 160px}.batch-status{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 12px}.download-all{padding:10px 16px;font-weight:600;color:var(--accent-fg);background:var(--accent);border-radius:8px;text-decoration:none}.download-all.disabled{opacity:.5;pointer-events:none}.batch-grid{display:grid;gap:12px;grid-template-columns:1fr}@media (min-width: 520px){.batch-grid{grid-template-columns:1fr 1fr}}@media (min-width: 900px){.batch-grid{grid-template-columns:1fr 1fr 1fr}}.batch-card{border:1px solid var(--border);border-radius:10px;background:var(--card);overflow:hidden}.batch-card .thumb{display:flex;align-items:center;justify-content:center;aspect-ratio:4 / 3;background:var(--bg)}.batch-card .thumb img{display:block;width:100%;height:100%;object-fit:cover}.batch-card-body{padding:12px}.batch-card-body h3{margin:0 0 6px;font-size:1rem}.varied{margin:0;padding:0;list-style:none;font-size:.85rem}.batch-card-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px}.batch-card-actions button{padding:6px 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