:root{--bg: #0a0a0b;--card-bg: #151517;--field-bg: #1b1c1f;--border: rgba(255, 255, 255, .09);--border-strong: rgba(255, 255, 255, .16);--text: #f2f1ed;--text-dim: #9a9a9e;--accent: #ffffff;--accent-text: #0a0a0b;--error: #e0665a;--success: #6bc98f;--ease: cubic-bezier(.16, 1, .3, 1);font-family:Josefin Sans,system-ui,-apple-system,sans-serif;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.page{max-width:640px;margin:0 auto;padding:2.5rem 1.25rem 4rem}.header h1{font-size:1.6rem;margin:0 0 .35rem;letter-spacing:.01em}.subtitle{color:var(--text-dim);margin:0 0 2rem}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:1.5rem;margin-bottom:1.5rem}.card h2{margin-top:0;font-size:1.1rem}.drop-zone{display:flex;align-items:center;justify-content:center;text-align:center;border:2px dashed var(--border);border-radius:6px;padding:2.5rem 1rem;cursor:pointer;color:var(--text-dim);transition:border-color .14s var(--ease),color .14s var(--ease)}.drop-zone.drag-over,.drop-zone:hover{border-color:var(--border-strong);color:var(--text)}.drop-zone input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.field{display:block;margin-top:1.25rem;font-size:.9rem}.field span{display:block;margin-bottom:.4rem;color:var(--text-dim)}select,button,.button{font:inherit;padding:.6rem .9rem;border-radius:6px;border:1px solid var(--border);background:var(--field-bg);color:var(--text)}select{width:100%}.turnstile{margin-top:1.25rem}button[type=submit],.button{display:inline-block;margin-top:1.25rem;background:var(--accent);color:var(--accent-text);font-weight:600;border:none;cursor:pointer;text-decoration:none;transition:opacity .14s var(--ease)}button[type=submit]:hover,.button:hover{opacity:.85}button[type=submit]:disabled{background:var(--border);color:var(--text-dim);cursor:not-allowed;opacity:1}#convert-another{display:block;margin-top:.75rem;background:transparent;cursor:pointer}.error{color:var(--error);margin-top:.9rem;font-size:.9rem}.progress-bar{height:10px;border-radius:999px;background:var(--border);overflow:hidden}.progress-fill{height:100%;background:var(--accent);transition:width .3s var(--ease)}#progress-message{color:var(--text-dim);font-size:.9rem}.progress-log{list-style:none;margin:.5rem 0 0;padding:0;max-height:160px;overflow-y:auto;font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;color:var(--text-dim)}.progress-log li{padding:.15rem 0;border-bottom:1px solid var(--border)}#result-summary{color:var(--text-dim);white-space:pre-line}.footer{color:var(--text-dim);font-size:.8rem;line-height:1.5}@media(prefers-color-scheme:light){:root{--bg: #f7f6f3;--card-bg: #ffffff;--field-bg: #efeee9;--border: rgba(20, 19, 15, .1);--border-strong: rgba(20, 19, 15, .2);--text: #17171a;--text-dim: #5c5c60;--accent: #111113;--accent-text: #f7f6f3;--error: #b8382b;--success: #227a4c;color-scheme:light}}