:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;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;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:1.6em;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}a:hover{color:#747bff}button{background-color:#f9f9f9}}.spiral-btn{background:#2563eb;color:#fff;border:none;border-radius:6px;padding:.6em 1.2em;font-size:1em;cursor:pointer;margin-top:8px;margin-left:0;margin-right:12px;transition:background .2s}.spiral-btn:hover{background:#1746a2}.spiral-file-input{display:none}.spiral-file-label{background:#2563eb;color:#fff;border:none;border-radius:6px;padding:.6em 1.2em;font-size:1em;cursor:pointer;margin-top:8px;margin-right:12px;display:inline-block;transition:background .2s}.spiral-file-label:hover{background:#1746a2}body{font-family:system-ui,sans-serif}#root{max-width:900px;margin:0;padding:2rem;text-align:left;width:100%;box-sizing:border-box}@media (max-width: 768px){#root{padding:1rem}}.spiral-app{text-align:center}.spiral-app h1{font-size:2.2rem;margin-bottom:1.5rem}.spiral-controls{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;margin-bottom:2rem;width:100%}@media (max-width: 768px){.spiral-controls{gap:1rem;flex-direction:column;align-items:center}.spiral-controls>div{width:100%;max-width:320px}}.spiral-list{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem;justify-content:center;max-width:100%}.spiral-thumb{border:2px solid #ccc;transition:border .2s}.spiral-thumb.selected{border:2px solid #646cff;box-shadow:0 0 8px #646cff44}.spiral-display{margin-top:2rem;text-align:center}.spiral-circle{position:relative;overflow:hidden}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes spin-reverse{0%{transform:rotate(0)}to{transform:rotate(-360deg)}}@media (max-width: 480px){.spiral-app h1{font-size:1.8rem}.spiral-thumb{width:50px!important;height:50px!important;margin:6px!important}.spiral-btn{margin-right:6px;margin-bottom:6px}}