:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #1b1d22;
  --muted: #5d6270;
  --line: #e3e1da;
  --accent: #1f5f4a;
  --accent-ink: #ffffff;
  --accent-soft: #e5f0eb;
  --warn: #8a4b00;
  --warn-soft: #fbf1e3;
  --bad: #a3261b;
  --bad-soft: #fbe9e7;
  --code-bg: #f3f2ee;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1b1e23;
    --ink: #e8e6e1;
    --muted: #a3a7b1;
    --line: #2e323a;
    --accent: #6cc5a1;
    --accent-ink: #0f1a15;
    --accent-soft: #1d2d27;
    --warn: #f0b36b;
    --warn-soft: #2d241a;
    --bad: #f08a80;
    --bad-soft: #2f1c1a;
    --code-bg: #111317;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 var(--sans);
}
a { color: var(--accent); text-underline-offset: 2px; }
code, pre, kbd, textarea.out { font-family: var(--mono); }
code { background: var(--code-bg); padding: 0 .3em; border-radius: 4px; font-size: .92em; overflow-wrap: anywhere; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; overflow: auto; font-size: 13.5px; line-height: 1.5; }
pre code { background: none; padding: 0; }
[hidden] { display: none !important; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.top { border-bottom: 1px solid var(--line); background: var(--surface); }
.top .wrap { display: flex; align-items: center; gap: 16px; min-height: 56px; flex-wrap: wrap; }
.brand { font-family: var(--mono); font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand span { color: var(--accent); }
.top nav { display: flex; gap: 14px; flex-wrap: wrap; margin-left: auto; align-items: center; font-size: 15px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }
.lang-btn { font: 600 13px var(--mono); border: 1px solid var(--line); background: transparent; color: var(--ink); border-radius: 6px; padding: 4px 8px; cursor: pointer; }
.lang-btn:hover { border-color: var(--accent); }

main { padding: 32px 0 48px; }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); line-height: 1.15; margin: 0 0 10px; letter-spacing: -.02em; }
h2 { font-size: 1.35rem; margin: 40px 0 10px; letter-spacing: -.01em; }
h3 { font-size: 1.08rem; margin: 24px 0 6px; }
.lead { color: var(--muted); font-size: 1.08rem; margin: 0 0 22px; max-width: 46em; }
.small { font-size: 14px; color: var(--muted); }

.tool { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.tool form { display: flex; gap: 10px; flex-wrap: wrap; }
.tool label.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.tool input[type="text"] {
  flex: 1 1 280px; min-width: 0; font: 16px var(--mono); padding: 11px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
}
.tool input[type="text"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn {
  font: 600 15px var(--sans); border-radius: 8px; padding: 10px 16px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
}
.btn:disabled { opacity: .6; cursor: progress; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.sm { font-size: 13px; padding: 6px 10px; }
.hint { margin: 10px 0 0; font-size: 14px; color: var(--muted); }
.status { margin-top: 14px; font-size: 15px; }
.status.err { color: var(--bad); background: var(--bad-soft); padding: 10px 12px; border-radius: 8px; }
.status.busy::before { content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 8px; border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -1px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .status.busy::before { animation: none; } }

.results { margin-top: 26px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 18px; }
.panel h2 { margin: 0 0 8px; font-size: 1.15rem; }
.panel-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.panel-head h2 { margin: 0 auto 0 0; }
textarea.out {
  width: 100%; min-height: 260px; resize: vertical; font-size: 13px; line-height: 1.5; padding: 10px 12px;
  border-radius: 8px; border: 1px solid var(--line); background: var(--code-bg); color: var(--ink); white-space: pre; overflow-wrap: normal; overflow: auto;
}
.policies { display: flex; gap: 8px 16px; flex-wrap: wrap; margin: 4px 0 10px; font-size: 15px; }
.policies label { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.badge { display: inline-block; font: 600 12px var(--mono); padding: 2px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 6px 0 12px; }
.stat { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.stat b { display: block; font: 700 1.3rem var(--mono); }
.stat span { font-size: 13px; color: var(--muted); }
.note { background: var(--warn-soft); color: var(--ink); border-left: 3px solid var(--warn); padding: 8px 12px; border-radius: 6px; margin: 8px 0; font-size: 15px; }

.table-wrap { overflow-x: auto; margin: 8px 0 16px; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 7px 8px; vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .03em; }
td.url { font-family: var(--mono); font-size: 13px; overflow-wrap: anywhere; min-width: 180px; }
td.yes { color: var(--accent); font-weight: 600; }
td.no { color: var(--bad); font-weight: 600; }

.diy { border: 1px dashed var(--line); border-radius: 10px; padding: 12px 14px; margin: 28px 0 0; font-size: 15px; color: var(--muted); }
.diy strong { color: var(--ink); }

.prose { max-width: 46em; }
.prose li { margin: 4px 0; }
.toc { font-size: 15px; border-left: 3px solid var(--line); padding-left: 12px; margin: 12px 0 24px; }
.faq h3 { margin-top: 18px; }
.facts { border-left: 3px solid var(--accent); padding: 4px 0 4px 14px; margin: 16px 0; }

.foot { border-top: 1px solid var(--line); padding: 20px 0 36px; font-size: 14px; color: var(--muted); }
.foot .wrap { display: flex; gap: 8px 18px; flex-wrap: wrap; }

@media (max-width: 560px) {
  main { padding-top: 22px; }
  .top nav { margin-left: 0; gap: 10px; font-size: 14px; }
  .tool { padding: 14px; }
  .btn { width: 100%; }
  .panel-head .btn { width: auto; }
}