:root{--bg: #0b1020;--panel: #121a30;--panel-2: #172244;--line: #24304f;--text: #e8ecf6;--muted: #98a3bd;--accent: #5b8cff;--accent-2: #38e0b0;--danger: #ff7a7a;--radius: 14px;--wrap: 900px}@media(prefers-color-scheme:light){:root{--bg: #f6f8fc;--panel: #ffffff;--panel-2: #eef2fa;--line: #dce3f0;--text: #111a2e;--muted: #5a6782;--accent: #2a5bd7;--accent-2: #0f9c78}}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent)}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:10;background:var(--panel);padding:10px 14px;border-radius:8px}.site{max-width:var(--wrap);margin:0 auto;padding:20px 20px 0;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:600;color:var(--text);text-decoration:none}.brand strong{color:var(--accent)}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(140deg,var(--accent),var(--accent-2));color:#06101f;font-weight:700}.site nav a{color:var(--muted);text-decoration:none;font-size:14px}.site nav a:hover{color:var(--text)}main{max-width:var(--wrap);margin:0 auto;padding:0 20px 64px}.hero{padding:44px 0 26px}h1{margin:0 0 10px;font-size:clamp(28px,5vw,42px);line-height:1.15;letter-spacing:-.02em}.sub{margin:0;color:var(--muted);font-size:clamp(16px,2.2vw,18px);max-width:46ch}.converter{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.drop{border:2px dashed var(--line);border-radius:var(--radius);background:var(--panel-2);padding:44px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.drop:hover,.drop:focus-visible,.drop.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--panel-2));outline:none}.drop-icon{display:block;font-size:30px;color:var(--accent);margin-bottom:6px}.drop-title{margin:0;font-size:18px;font-weight:600}.drop-hint{margin:4px 0 0;color:var(--muted);font-size:14px}.link{color:var(--accent);text-decoration:underline}.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:16px}.controls label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}select,input[type=range]{width:100%;accent-color:var(--accent)}select{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:9px;padding:9px 10px;font-size:15px}input[type=range]{margin:8px 0 0}.status{margin-top:18px}.bar{height:6px;border-radius:99px;background:var(--panel-2);overflow:hidden}.bar-fill{height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .2s ease}.status p{margin:8px 0 0;font-size:14px;color:var(--muted)}.actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:var(--panel-2);color:var(--text);border-radius:10px;padding:10px 16px;font-size:15px;font-weight:500;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn:disabled{opacity:.6;cursor:default}.list{list-style:none;margin:16px 0 0;padding:0}.row{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;font-size:14px}.row-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-meta{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}.row.working{border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}.row.done .row-meta{color:var(--accent-2)}.row.failed{border-color:color-mix(in srgb,var(--danger) 45%,var(--line))}.row.failed .row-meta{color:var(--danger)}.row-download{color:var(--accent);text-decoration:none;font-weight:500}.row-download:hover{text-decoration:underline}.proof{margin-top:40px}.proof h2{font-size:22px;margin:0 0 8px;letter-spacing:-.01em}.proof p{color:var(--muted);margin:0 0 12px;max-width:62ch}.proof ol{color:var(--muted);max-width:62ch;padding-left:20px}.proof li{margin-bottom:6px}.site-footer{max-width:var(--wrap);margin:0 auto;padding:24px 20px 48px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.site-footer p{margin:16px 0 0;max-width:70ch}@media(max-width:520px){.row{grid-template-columns:1fr auto}.row-action{grid-column:2}.row-meta{grid-column:1 / -1}}