:root {
  --bg: #f6f4f1;
  --bg-accent: #efe9e4;
  --surface: #fffdfb;
  --surface-strong: #ffffff;
  --ink: #241b1a;
  --muted: #6f625f;
  --line: #e2d8d2;
  --accent: #b4232a;
  --accent-strong: #8f161c;
  --accent-soft: #f8e7e6;
  --ok: #16653b;
  --warn: #8a4b00;
  --radius: 16px;
  --shadow: 0 18px 45px rgba(52, 25, 22, .08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141110;
    --bg-accent: #1b1615;
    --surface: #1e1918;
    --surface-strong: #241e1d;
    --ink: #f4ece8;
    --muted: #b7a8a3;
    --line: #382e2b;
    --accent: #f27278;
    --accent-strong: #ff9ca1;
    --accent-soft: #3a1d1f;
    --ok: #7ad6a2;
    --warn: #f0bd72;
    --shadow: 0 18px 45px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

html { color-scheme: light dark; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 520px at 8% -10%, var(--accent-soft), transparent 62%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
  color: var(--ink);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); text-underline-offset: 3px; }

a:hover { color: var(--accent-strong); }

code, .mono, input.code {
  font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, "Liberation Mono", monospace;
  font-size: .94em;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(14px);
}

.topbar-inner {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand img {
  border-radius: 10px;
  background: var(--surface-strong);
  box-shadow: 0 4px 14px rgba(52, 25, 22, .12);
}

.env {
  color: var(--muted);
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

main {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 46px 0 64px;
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.08rem;
  letter-spacing: -.015em;
}

p { margin: 0 0 14px; }

.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.06rem;
}

.split-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 18px;
}

.grid .card { margin-bottom: 0; }

.narrow { max-width: 520px; margin: 0 auto; }

label, .field {
  display: block;
  margin: 16px 0 6px;
  font-size: .9rem;
  font-weight: 650;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-strong);
  color: var(--ink);
  padding: 12px 13px;
  font: inherit;
  outline: none;
}

input:focus-visible, button:focus-visible, a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

input[readonly] { color: var(--muted); }

input.code {
  font-size: clamp(1.15rem, 2.8vw, 1.55rem);
  letter-spacing: .14em;
  font-weight: 700;
  text-align: center;
  padding: 18px 12px;
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  background: var(--accent-soft);
  color: var(--accent-strong);
}

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  border: 0;
  border-radius: 11px;
  background: var(--accent);
  color: #fff;
  padding: 11px 18px;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

button:hover, .button:hover { background: var(--accent-strong); color: #fff; }

button.secondary, .button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

button.secondary:hover, .button.secondary:hover { background: var(--bg-accent); color: var(--ink); }

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.actions button, .actions .button { margin-top: 0; }

.note, .muted { color: var(--muted); font-size: .9rem; }

.error {
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: 11px;
  padding: 12px 14px;
}

.warning {
  border-left: 3px solid var(--warn);
  color: var(--muted);
  padding-left: 12px;
  margin-top: 20px;
  font-size: .9rem;
}

.steps {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
}

.steps li { margin: 8px 0; }

.steps strong { color: var(--ink); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}

th, td {
  text-align: left;
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: .76rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

tr:last-child td { border-bottom: 0; }

.table-wrap { overflow-x: auto; }

dl {
  display: grid;
  grid-template-columns: minmax(120px, 190px) minmax(0, 1fr);
  gap: 10px 18px;
  margin: 18px 0;
}

dt { color: var(--muted); font-size: .86rem; }

dd { margin: 0; overflow-wrap: anywhere; }

.consent { max-width: 760px; }

footer {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 32px;
  color: var(--muted);
  font-size: .8rem;
}

@media (max-width: 760px) {
  main { padding-top: 30px; }
  .grid { grid-template-columns: 1fr; }
  .env { display: none; }
  dl { grid-template-columns: 1fr; }
  dt { margin-top: 8px; }
}