:root{--bg: #f5f0dc;--surface: #fbf6e4;--accent: #8c283c;--accent-soft: #b14d62;--text: #503028;--text-muted: #7d5b50;--border: #d8c9a8;--shadow: 0 2px 0 rgba(80, 48, 40, .18);--mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--mono);-webkit-font-smoothing:antialiased}#app{max-width:1080px;margin:0 auto;padding:24px 16px 64px}.app-header{text-align:center;padding:16px 0 24px;border-bottom:2px dashed var(--border);margin-bottom:24px}.app-title{margin:0;font-size:28px;letter-spacing:.08em;color:var(--accent)}.app-subtitle{margin:6px 0 0;font-size:13px;color:var(--text-muted)}.app-main{display:flex;flex-direction:column;gap:24px}.uploader-drop{border:2px dashed var(--accent);background:var(--surface);border-radius:8px;padding:36px 16px;text-align:center;cursor:pointer;transition:background .15s ease,border-color .15s ease;outline:none}.uploader-drop:hover,.uploader-drop:focus-visible,.uploader-drop.is-dragover{background:#fff;border-color:var(--accent-soft)}.uploader-hint{margin:0 0 6px;font-size:15px;color:var(--text)}.uploader-formats{margin:0;font-size:12px;color:var(--text-muted)}.preset-selector{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px;box-shadow:var(--shadow)}.preset-list{display:flex;flex-wrap:wrap;gap:8px}.preset-item{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--border);background:#fff;border-radius:999px;cursor:pointer;user-select:none;font-size:13px;transition:border-color .15s ease,transform .1s ease}.preset-item:hover{border-color:var(--accent-soft)}.preset-item input[type=radio]{accent-color:var(--accent);margin:0}.preset-item:has(input:checked){border-color:var(--accent);background:#fff5ec}.preset-swatches{display:inline-flex;gap:2px}.preset-swatch{display:inline-block;width:12px;height:12px;border-radius:2px;border:1px solid rgba(80,48,40,.2)}.preset-name{font-weight:600;letter-spacing:.05em}.options-panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 14px;box-shadow:var(--shadow)}.option-toggle{display:inline-flex;align-items:center;gap:8px;cursor:pointer;user-select:none;font-size:13px}.option-toggle input[type=checkbox]{accent-color:var(--accent);margin:0;width:16px;height:16px}.option-hint{color:var(--text-muted);font-size:12px}.preview-area{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 720px){.preview-area{grid-template-columns:1fr}}.preview-card{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px;box-shadow:var(--shadow)}.preview-card figcaption{font-size:12px;color:var(--text-muted);margin-bottom:8px;letter-spacing:.1em;text-transform:uppercase}.preview-canvas-wrap{position:relative;display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#eadcb6 0% 25%,#f3e7c2 0% 50%) 50% / 16px 16px;border:1px solid var(--border);border-radius:4px;min-height:200px;overflow:hidden}.preview-canvas-wrap canvas{max-width:100%;height:auto;image-rendering:pixelated;image-rendering:crisp-edges;display:block}.spinner{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:6px;background:#f5f0dcb3}.spinner[hidden]{display:none}.spinner-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);animation:spinner-bounce 1s infinite ease-in-out}.spinner-dot:nth-child(2){animation-delay:.15s}.spinner-dot:nth-child(3){animation-delay:.3s}@keyframes spinner-bounce{0%,80%,to{transform:translateY(0);opacity:.4}40%{transform:translateY(-6px);opacity:1}}.actions{display:flex;justify-content:center}.btn-primary{font-family:inherit;font-size:15px;letter-spacing:.05em;padding:12px 28px;border-radius:999px;border:2px solid var(--accent);background:var(--accent);color:#fff5ec;cursor:pointer;box-shadow:var(--shadow);transition:transform .1s ease,background .15s ease}.btn-primary:hover:not(:disabled){background:var(--accent-soft)}.btn-primary:active:not(:disabled){transform:translateY(1px)}.btn-primary:disabled{background:#c9b8a4;border-color:#c9b8a4;color:#fff;cursor:not-allowed;box-shadow:none}.app-footer{margin-top:32px;text-align:center;font-size:12px;color:var(--text-muted);border-top:2px dashed var(--border);padding-top:16px}