:root {
  --bg: #0c0e0d;
  --surface: #141715;
  --surface-2: #1a1e1b;
  --line: #262b27;
  --line-2: #323832;
  --text: #ecefeb;
  --muted: #949c95;
  --accent: #d4f53c;
  --accent-ink: #11140a;
  --pass: #46d483;
  --warn: #f2b84b;
  --fail: #ff6f61;
  --skip: #737b74;
  --code-bg: #0a0b0a;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f6f1;
    --surface: #ffffff;
    --surface-2: #f1f2ec;
    --line: #e3e4dc;
    --line-2: #d4d6cc;
    --text: #141714;
    --muted: #5f665f;
    --accent: #c8ec1f;
    --accent-ink: #141a00;
    --pass: #138a4a;
    --warn: #a86a00;
    --fail: #c8372a;
    --skip: #7a807a;
    --code-bg: #f3f4ee;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* top bar */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1080px; margin: 0 auto; padding: 18px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
.brand small { color: var(--muted); font-weight: 500; font-size: 13px; }
.top-nav { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.top-nav > a { text-decoration: none; color: var(--muted); }
.top-nav > a:hover { color: var(--text); }
.lang { display: inline-flex; border: 1px solid var(--line-2); border-radius: 999px; padding: 2px; }
.lang button {
  border: 0; background: none; color: var(--muted); font: inherit; font-size: 13px;
  padding: 4px 10px; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--text); color: var(--bg); }

main { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* hero */
.hero { padding: 64px 0 40px; max-width: 760px; }
h1 {
  font-size: clamp(36px, 6.4vw, 64px); line-height: 1.02; letter-spacing: -0.035em;
  margin: 0 0 18px; font-weight: 700; text-wrap: balance;
}
.lede { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); margin: 0 0 30px; max-width: 640px; text-wrap: pretty; }

.check-form {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 16px;
}
.url-row { display: flex; gap: 10px; }
.url-row input {
  flex: 1; min-width: 0; font: 500 17px/1 var(--mono); color: var(--text);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 15px 16px;
}
.url-row input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); padding: 12px 4px 2px; cursor: pointer; }
.consent input { accent-color: var(--accent); width: 18px; height: 18px; margin: 1px 0 0; flex: none; }
.form-error { color: var(--fail); font-size: 14px; margin: 10px 4px 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 650 15px/1 var(--sans); border-radius: 12px; padding: 15px 20px; cursor: pointer;
  border: 1px solid transparent; text-decoration: none; white-space: nowrap;
  transition: transform .08s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.primary[aria-disabled="true"], .btn:disabled { opacity: .55; cursor: not-allowed; filter: none; }
.btn.ghost { border-color: var(--line-2); color: var(--text); background: transparent; }
.btn.ghost:hover { background: var(--surface-2); }
.btn.small { padding: 9px 13px; font-size: 13px; border-radius: 10px; }

.trust { list-style: none; padding: 0; margin: 22px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; font-size: 13.5px; color: var(--muted); }
.trust b { color: var(--text); font-weight: 600; }

/* running */
.running { padding: 56px 0 24px; max-width: 760px; }
.run-card { display: flex; gap: 18px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.run-title { margin: 0; font-weight: 650; font-size: 18px; word-break: break-all; }
.run-sub { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--line-2); border-top-color: var(--accent); animation: spin 0.9s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.run-groups { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.run-groups li { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); font-size: 15px; transition: color .3s, border-color .3s; }
.run-groups li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); flex: none; }
.run-groups li.active { color: var(--text); border-color: var(--line-2); }
.run-groups li.active::before { background: var(--accent); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .spinner, .run-groups li.active::before { animation: none; } }

/* report */
.report { padding: 40px 0 16px; }
.back { display: inline-flex; gap: 6px; color: var(--muted); text-decoration: none; font-size: 14px; margin-bottom: 16px; }
.back:hover { color: var(--text); }
.summary {
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 26px;
}
.ring { position: relative; width: 150px; height: 150px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .track { stroke: var(--line); }
.ring .val { transition: stroke-dashoffset 1s cubic-bezier(.2,.7,.2,1); }
.ring-label { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring-label b { font-size: 46px; line-height: 1; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.ring-label span { color: var(--muted); font-size: 12px; margin-top: 4px; }
.sum-url { font: 600 clamp(17px, 2.4vw, 22px)/1.3 var(--mono); margin: 0 0 6px; word-break: break-all; }
.sum-meta { color: var(--muted); font-size: 13.5px; margin: 0 0 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; padding: 7px 13px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--skip); flex: none; }
.dot.pass { background: var(--pass); } .dot.warn { background: var(--warn); } .dot.fail { background: var(--fail); }
.sum-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.section-h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 38px 0 14px; }
.section-h h2 { font-size: 22px; letter-spacing: -0.02em; margin: 0; }
.section-h p { margin: 0; color: var(--muted); font-size: 14px; }

.group { margin-bottom: 26px; }
.group-h { display: flex; align-items: center; gap: 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 10px; }
.group-h .bar { flex: 1; height: 1px; background: var(--line); }

.finding { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin-bottom: 10px; overflow: hidden; }
.finding > summary {
  list-style: none; cursor: pointer; display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: start; padding: 16px 18px;
}
.finding > summary::-webkit-details-marker { display: none; }
.finding > summary:hover { background: var(--surface-2); }
.pill { font: 700 11px/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; padding: 6px 10px; border-radius: 7px; min-width: 54px; text-align: center; margin-top: 1px; }
.pill.pass { color: var(--pass); background: color-mix(in srgb, var(--pass) 14%, transparent); }
.pill.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 16%, transparent); }
.pill.fail { color: var(--fail); background: color-mix(in srgb, var(--fail) 14%, transparent); }
.pill.skip { color: var(--skip); background: color-mix(in srgb, var(--skip) 16%, transparent); }
.f-title { font-weight: 620; margin: 0; }
.f-sum { color: var(--muted); font-size: 14.5px; margin: 3px 0 0; }
.chev { color: var(--muted); transition: transform .2s; margin-top: 3px; }
.finding[open] .chev { transform: rotate(180deg); }
.f-body { padding: 4px 18px 18px; border-top: 1px solid var(--line); }
.f-body h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 18px 0 8px; font-weight: 650; }
.f-body p { margin: 0; font-size: 15px; }
.evidence { list-style: none; margin: 0; padding: 14px 16px; background: var(--code-bg); border: 1px solid var(--line); border-radius: 10px; font: 12.5px/1.6 var(--mono); color: var(--muted); overflow-x: auto; }
.evidence li { white-space: pre-wrap; word-break: break-word; }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: -1px; position: relative; }
.tabs button {
  font: 600 12.5px/1 var(--sans); color: var(--muted); background: transparent; cursor: pointer;
  border: 1px solid transparent; border-bottom: 0; border-radius: 9px 9px 0 0; padding: 9px 11px;
}
.tabs button[aria-selected="true"] { color: var(--text); background: var(--code-bg); border-color: var(--line); }
.code-wrap { position: relative; background: var(--code-bg); border: 1px solid var(--line); border-radius: 0 10px 10px 10px; }
.code-wrap pre { margin: 0; padding: 48px 16px 16px; overflow-x: auto; font: 12.5px/1.6 var(--mono); color: var(--text); tab-size: 2; }
.copy { position: absolute; top: 10px; right: 10px; }
.copy.done { color: var(--pass); border-color: var(--pass); }

/* locked */
.locked { position: relative; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--surface); }
.locked-list { padding: 18px 20px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 24px; }
.locked-list div { display: flex; align-items: center; gap: 10px; padding: 9px 4px; color: var(--muted); font-size: 14.5px; border-bottom: 1px dashed var(--line); }
.locked-list svg { flex: none; opacity: .7; }
.unlock { border-top: 1px solid var(--line); padding: 22px 20px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--accent) 7%, transparent)); }
.unlock h3 { margin: 0 0 4px; font-size: 19px; letter-spacing: -0.01em; }
.unlock p { margin: 0; color: var(--muted); font-size: 14px; }
.notes { color: var(--muted); font-size: 13px; margin-top: 18px; }

/* blocks */
.block { padding: 56px 0 8px; border-top: 1px solid var(--line); margin-top: 48px; }
.block h2 { font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -0.025em; margin: 0 0 8px; text-wrap: balance; }
.block > .muted { margin: 0 0 26px; max-width: 680px; }
.check-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cg { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.cg h3 { font-size: 15px; margin: 0 0 10px; display: flex; justify-content: space-between; gap: 8px; }
.cg h3 span { color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; }
.cg ul { margin: 0; padding: 0; list-style: none; font-size: 14px; color: var(--muted); }
.cg li { padding: 4px 0; }

.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 360px)); gap: 16px; margin-top: 22px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; display: flex; flex-direction: column; }
.plan.featured { background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.plan h3 { margin: 0; font-size: 15px; color: var(--muted); font-weight: 600; }
.price { font-size: 38px; font-weight: 700; letter-spacing: -0.03em; margin: 6px 0 14px; }
.price small { font-size: 14px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan ul { margin: 0 0 22px; padding-left: 18px; color: var(--muted); font-size: 14.5px; flex: 1; }
.plan li { padding: 3px 0; }

.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; max-width: 760px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--muted); margin: 10px 0 0; font-size: 15px; }

.foot { max-width: 1080px; margin: 64px auto 0; padding: 28px 20px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot p { margin: 0 0 6px; }
.foot a { color: var(--muted); }
.foot a:hover { color: var(--text); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 10; }

/* about page */
.prose { max-width: 720px; padding: 48px 0; }
.prose h1 { font-size: clamp(32px, 5vw, 46px); }
.prose h2 { font-size: 20px; margin: 34px 0 8px; }
.prose p, .prose li { color: var(--muted); }
.prose code { font-family: var(--mono); font-size: 13.5px; background: var(--surface-2); padding: 2px 6px; border-radius: 6px; color: var(--text); }

@media (max-width: 820px) {
  .check-grid { grid-template-columns: repeat(2, 1fr); }
  .trust { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 600px) {
  .top { padding: 14px 16px; }
  .top-nav > a { display: none; }
  .brand small { display: none; }
  main { padding: 0 16px; }
  .hero { padding: 36px 0 28px; }
  .url-row { flex-direction: column; }
  .url-row .btn { width: 100%; }
  .summary { grid-template-columns: 1fr; justify-items: start; padding: 20px; gap: 18px; }
  .check-form { padding: 16px; }
  .locked-list { padding: 14px 16px; }
  .unlock { padding: 20px 16px; }
  .ring { width: 120px; height: 120px; }
  .ring-label b { font-size: 38px; }
  .check-grid, .plans, .locked-list { grid-template-columns: 1fr; }
  .finding > summary { gap: 10px; padding: 16px; }
  .f-body { padding: 4px 16px 16px; }
  .block { padding-top: 40px; margin-top: 36px; }
  .unlock .btn { width: 100%; }
}
.f-body p.fix-text { margin-bottom: 12px; }
.logo-bg { fill: var(--accent); } .logo-tick { stroke: var(--accent-ink); }
/* keep wide code inside its box on small screens */
.report, .summary > div, .finding, .f-body, .finding > summary > div, .code-wrap, .evidence { min-width: 0; max-width: 100%; }
.section-h { flex-wrap: wrap; }
.sum-meta { overflow-wrap: anywhere; }