:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#213547;background-color:#f5f5f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{max-width:820px;margin:0 auto;padding:1.5rem;text-align:center}.canvas-area{display:flex;gap:1.5rem;align-items:flex-start;justify-content:center}.app-header{margin-bottom:1rem}.app-header h1{margin:0 0 .25rem;font-size:1.8rem;letter-spacing:-.02em;color:#1a1a1a}.app-toolbar{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.save-button{padding:.4rem 1.2rem;border-radius:6px;border:none;cursor:pointer;font-size:.85rem;font-weight:600;background:#4d96ff;color:#fff;flex-shrink:0;box-shadow:0 2px 8px #4d96ff66}.save-button:hover{background:#3a7de0;box-shadow:0 2px 12px #4d96ff8c}.reset-button{padding:.4rem 1rem;border-radius:6px;border:1px solid #ccc;cursor:pointer;font-size:.85rem;background:#f5f5f5;color:#333;flex-shrink:0}.reset-button:hover{background:#e0e0e0;border-color:#999}.color-palette{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:480px}.color-swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;cursor:pointer;box-sizing:border-box;transition:transform .1s,box-shadow .1s;outline:1px solid rgba(0,0,0,.15);outline-offset:-1px}.color-swatch:hover{transform:scale(1.15)}.color-swatch--selected{box-shadow:0 0 0 2px #fff,0 0 0 4px #333;transform:scale(1.1)}.drawing-grid{display:inline-grid;grid-template-columns:repeat(20,24px);border:2px solid #ccc;cursor:crosshair;-webkit-user-select:none;user-select:none}.grid-cell{width:24px;height:24px;box-sizing:border-box;border:.5px solid rgba(0,0,0,.08)}.grid-cell:hover{filter:brightness(.88)}.gallery{text-align:left;width:176px;flex-shrink:0}.gallery h2{font-size:.85rem;font-weight:600;color:#555;margin:0 0 .75rem;text-transform:uppercase;letter-spacing:.05em}.gallery-list{display:flex;flex-wrap:wrap;gap:8px;max-height:480px;overflow-y:auto}.gallery-item{display:flex;flex-direction:column;align-items:center;gap:6px}.gallery-thumbnail{display:inline-grid;grid-template-columns:repeat(20,4px);border:1px solid #ccc;cursor:pointer}.gallery-thumbnail:hover{opacity:.8}.gallery-cell{width:4px;height:4px}.gallery-item-actions{display:flex;gap:4px}.gallery-item-actions button{padding:.2rem .5rem;font-size:.75rem;border-radius:4px;border:1px solid #ccc;cursor:pointer;background:#f5f5f5;color:#333}.gallery-item-actions button:hover{background:#e0e0e0}