:root{--bg: #f7f6f2;--card: #ffffff;--ink: #17181c;--muted: #5d606b;--line: #e2e0d9;--accent: #2f5bd3;--accent-ink: #ffffff;--soft: #eef1fb;--bad: #b42318;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #111318;--card: #191c23;--ink: #eceef3;--muted: #9aa0ad;--line: #2b2f39;--accent: #7c9cff;--accent-ink: #0d1020;--soft: #1f2536;--bad: #ff8a80;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}main,.top,footer{max-width:860px;margin:0 auto;padding:0 16px}.top{display:flex;align-items:baseline;gap:12px;padding-top:20px;flex-wrap:wrap}.brand{font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}.mark{color:var(--accent);margin-right:6px}.tag{color:var(--muted);font-size:14px}h1{font-size:clamp(28px,5vw,40px);line-height:1.1;letter-spacing:-.02em;margin:40px 0 12px;text-wrap:balance}.lede{color:var(--muted);font-size:18px;max-width:64ch;margin:0 0 28px}h2{font-size:20px;margin:48px 0 12px;letter-spacing:-.01em}ol.steps{padding-left:20px}ol.steps li{margin:6px 0}details{border-top:1px solid var(--line);padding:12px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600}details p{color:var(--muted);margin:8px 0 0}footer{margin-top:64px;padding-bottom:40px;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}footer nav{display:flex;flex-wrap:wrap;gap:6px 18px;padding:20px 0 12px}footer nav a{color:var(--muted);text-decoration:none}footer nav a:hover{color:var(--ink)}.tool{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:200px;border:2px dashed var(--line);border-radius:10px;cursor:pointer;text-align:center;padding:24px;transition:background .15s,border-color .15s}.drop:hover,.drop.over{background:var(--soft);border-color:var(--accent)}.drop[hidden]{display:none}.drop-main{font-size:18px;font-weight:600}.drop-main u{color:var(--accent);text-underline-offset:3px}.drop-sub{color:var(--muted);font-size:14px}.fileinfo{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--line)}.fileinfo strong{word-break:break-all}#fmeta{color:var(--muted);font-size:14px;flex:1 1 260px}.enc{font-size:14px;color:var(--muted);display:flex;gap:6px;align-items:center}.tabs{display:flex;gap:4px;flex-wrap:wrap;margin:14px 0}.tabs button{border:1px solid var(--line);background:transparent;color:var(--ink);padding:8px 12px;border-radius:999px;font:inherit;font-size:14px;cursor:pointer}.tabs button[aria-selected=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.panel{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}.panel[hidden]{display:none}.panel label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--muted)}.panel label.check{flex-direction:row;align-items:center;gap:8px;color:var(--ink);width:100%}.hint{width:100%;color:var(--muted);font-size:14px;margin:4px 0 0}.syncrow{display:flex;flex-wrap:wrap;gap:12px;width:100%}.syncrow select{max-width:min(420px,80vw)}input:not([type]),input[type=text],select{font:inherit;font-size:15px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:0}input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nudges{display:flex;gap:4px}.nudges button,.swap,.link{font:inherit;font-size:14px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer}.link{border:0;color:var(--accent);padding:0;text-decoration:underline}.outrow{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;justify-content:space-between;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}.outrow label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--muted)}.primary{font:inherit;font-weight:600;background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:12px 18px;cursor:pointer}.primary:active{transform:translateY(1px)}.error{color:var(--bad);font-size:14px}.preview{margin-top:16px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th{text-align:left;color:var(--muted);font-weight:500;border-bottom:1px solid var(--line);padding:6px 8px}td{border-bottom:1px solid var(--line);padding:6px 8px;vertical-align:top;font-variant-numeric:tabular-nums}td:nth-child(2){color:var(--muted)}td:nth-child(2),td:nth-child(3){white-space:nowrap}@media(prefers-reduced-motion:reduce){*{transition:none!important}}