:root{--text:#171717;--muted:#666;--bg:#fafafa;--card:#fff;--border:#eaeaea;--border-strong:#d4d4d4;--primary:#171717;--primary-hover:#000;--primary-soft:#f5f5f5;--focus:#0072f5;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:GeistSans,Geist,Inter,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.6}#root{min-height:100vh}.app{max-width:880px;margin:0 auto;padding:0 24px 40px}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:48px;padding:16px 0;display:flex}.brand{letter-spacing:-.01em;font-size:.95rem;font-weight:700}.badge{color:var(--muted);border:1px solid var(--border);background:var(--card);white-space:nowrap;border-radius:999px;padding:4px 12px;font-size:.75rem}.header{text-align:center;margin-bottom:32px}.header h1{letter-spacing:-.03em;margin:0 0 12px;font-size:2.5rem;font-weight:700;line-height:1.1}.subtitle{color:var(--muted);margin:0;font-size:1rem}.main{flex-direction:column;gap:16px;display:flex}.dropzone{border:1px dashed var(--border-strong);text-align:center;background:var(--card);border-radius:8px;padding:64px 24px;transition:border-color .15s,background .15s}.dropzone.dragging{border-color:var(--primary);background:var(--primary-soft);border-style:solid}.dropzone-title{letter-spacing:-.01em;margin:0 0 8px;font-size:1rem;font-weight:600}.dropzone-sub{color:var(--muted);margin:0 0 24px;font-size:.875rem}.count{margin:0;font-size:.875rem;font-weight:600}.thumb-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.thumb{border:1px solid var(--border);background:var(--card);cursor:grab;box-shadow:none;border-radius:8px;flex-direction:column;gap:8px;padding:8px;display:flex;position:relative}.thumb:active{cursor:grabbing}.thumb-dragging{outline:2px solid var(--primary);outline-offset:2px}.thumb-order{background:var(--primary);color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:24px;height:24px;padding:0 6px;font-size:.75rem;font-weight:600;display:inline-flex;position:absolute;top:12px;left:12px}.thumb img{object-fit:cover;background:var(--primary-soft);border-radius:6px;width:100%;height:120px;display:block}.thumb-name{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.thumb-actions{justify-content:flex-end;gap:6px;display:flex}.btn{font:inherit;cursor:pointer;box-shadow:none;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:8px 20px;font-size:.875rem;font-weight:500;text-decoration:none;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.btn:disabled{opacity:.4;cursor:not-allowed}.btn:focus-visible,.btn-icon:focus-visible,a:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--card);border-color:var(--border);color:var(--text);box-shadow:0 0 0 1px #ebebeb}.btn-secondary:hover:not(:disabled){border-color:var(--border-strong)}.btn-ghost{color:var(--muted);background:0 0;border-color:#0000}.btn-ghost:hover:not(:disabled){color:var(--text)}.btn-large{width:100%;padding:12px 20px;font-size:.9375rem}.btn-icon{border:1px solid var(--border);background:var(--card);cursor:pointer;width:28px;height:28px;color:var(--muted);border-radius:999px;justify-content:center;align-items:center;font-size:.85rem;line-height:1;display:inline-flex}.btn-icon:hover:not(:disabled){border-color:var(--primary);color:var(--text)}.btn-icon:disabled{opacity:.35;cursor:not-allowed}.btn-remove:hover:not(:disabled){color:#e00;border-color:#e00}.actions{flex-wrap:wrap;gap:8px;display:flex}.convert-row{margin-top:4px}.alert{border-radius:8px;padding:12px 16px;font-size:.875rem}.alert-error{background:var(--card);color:#e00;border:1px solid #ffcaca}.alert-success{background:var(--card);border:1px solid var(--border);color:var(--text);flex-direction:column;align-items:flex-start;gap:12px;display:flex}.alert-success p{margin:0;font-weight:600}.spinner-row{align-items:center;gap:10px;display:inline-flex}.spinner{border:2px solid #ffffff59;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.footer{border-top:1px solid var(--border);text-align:center;color:var(--muted);margin-top:48px;padding-top:24px;font-size:.8125rem}.footer p{margin:0}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=560px){.app{padding:0 16px 32px}.header h1{font-size:2rem}.dropzone{padding:48px 16px}.thumb-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}@media (prefers-reduced-motion:reduce){.spinner{animation:none}}