/* Docs — same dark panel tokens as checkout (pay.css). Wider reading layout. */

:root {
  color-scheme: dark;
  --bg: #000000;
  --bg-2: #0a0a0a;
  --surface: #111111;
  --surface-2: #161616;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.12);
  --ink: #ffffff;
  --muted: #9aa0a6;
  --btn: #ffffff;
  --btn-text: #000000;
  --danger: #ff8b8b;
  --ok: #8bffb0;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro", "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.011em;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

a:hover {
  text-decoration-color: #fff;
}

:focus {
  outline: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}

.wrap {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: calc(28px + env(safe-area-inset-top, 0px)) 24px calc(64px + env(safe-area-inset-bottom, 0px));
}

.brand {
  margin: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero {
  margin-top: 28px;
  padding: 28px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero h1 {
  margin: 10px 0 0;
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.hero .lede {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 54ch;
}

.meta {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.pill code {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}

.toc {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.toc h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.toc ol {
  margin: 12px 0 0;
  padding: 0 0 0 1.2rem;
  color: var(--muted);
}

.toc li {
  margin: 6px 0;
}

.toc a {
  color: var(--ink);
  text-decoration: none;
}

.toc a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

section.block {
  margin-top: 28px;
  padding: 28px 22px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

section.block > h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 560;
  letter-spacing: -0.03em;
}

section.block > h3 {
  margin: 22px 0 0;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

p {
  margin: 12px 0 0;
  color: var(--muted);
}

p strong,
li strong {
  color: var(--ink);
  font-weight: 600;
}

ul,
ol {
  margin: 12px 0 0;
  padding: 0 0 0 1.2rem;
  color: var(--muted);
}

li {
  margin: 6px 0;
}

.flow {
  margin: 14px 0 0;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow-x: auto;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  white-space: pre;
}

pre,
.code {
  margin: 14px 0 0;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow-x: auto;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
}

p code,
li code,
td code,
th code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 12.5px;
}

table {
  width: 100%;
  margin: 14px 0 0;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

th {
  color: var(--ink);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.callout {
  margin: 14px 0 0;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 14px;
}

.callout.warn {
  border-color: rgba(255, 139, 139, 0.35);
}

.callout.ok {
  border-color: rgba(139, 255, 176, 0.25);
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tag.na {
  color: var(--danger);
  border-color: rgba(255, 139, 139, 0.4);
}

.footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
}

.footer .brand {
  margin-bottom: 10px;
}

@media (max-width: 560px) {
  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
  }

  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  tr {
    margin: 0 0 12px;
    padding: 0 0 12px;
    border-bottom: 1px solid var(--line);
  }

  td {
    border: 0;
    padding: 4px 0;
  }

  td::before {
    content: attr(data-label);
    display: block;
    color: var(--ink);
    font-size: 11px;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2px;
  }
}