:root {
  color-scheme: dark;
  --bg: #071018;
  --panel: #101a2b;
  --ink: #e8eef8;
  --muted: #8b9bb4;
  --line: #243044;
  --accent: #2ee0c5;
  --warn: #f5b942;
  --danger: #ff5d73;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 "Segoe UI", system-ui, sans-serif;
  overflow-x: hidden;
}

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

.nav-open {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.top {
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 0.85rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--line);
  background: #0b1422;
}

.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 650;
  text-decoration: none;
}

.menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 5.5rem;
  min-height: 44px;
  padding: 0 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #17263c;
  color: var(--ink);
  font-weight: 650;
  cursor: pointer;
}

.when-open { display: none; }
.nav-open:checked ~ .top .when-closed { display: none; }
.nav-open:checked ~ .top .when-open { display: inline; }

.tag { margin: 0.35rem 0 0; color: var(--muted); }

.nav-label {
  margin: 0.85rem 0.6rem 0.2rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 88px);
}

.side {
  padding: 0.75rem;
  border-right: 1px solid var(--line);
  background: #0b1422;
}

.side a {
  display: block;
  margin: 0.15rem 0;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
}

.side a:hover,
.side a.on {
  background: #17263c;
  color: var(--ink);
}

main { padding: 1.25rem 1.5rem 3rem; max-width: 980px; }

h1 { font-size: 1.8rem; line-height: 1.2; margin: 0 0 0.6rem; }
h2 { font-size: 1.25rem; margin: 1.8rem 0 0.5rem; }
h3 { font-size: 1.05rem; margin: 1.2rem 0 0.4rem; }

p { margin: 0.5rem 0 0.8rem; }

.lead { color: var(--muted); font-size: 1.05rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.card {
  display: block;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
}

.card strong { display: block; margin-bottom: 0.25rem; }
.card span { color: var(--muted); font-size: 0.92rem; }

.note, .warn {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0d1b2e;
}

.warn { border-color: #6a5420; background: #1c170c; }

ol.steps { padding-left: 1.2rem; }
ol.steps li { margin: 0.35rem 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.6rem 0 1rem;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--line);
}

th { color: var(--muted); font-weight: 600; }

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.88em;
  color: var(--warn);
}

pre.code {
  overflow: auto;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #050910;
}

pre.code code { color: #d5e2f5; white-space: pre; }

.meta { color: var(--muted); }

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 2rem;
}

.pager a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-height: 44px;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
}

.pager a.next { text-align: right; }
.pager span { color: var(--muted); font-size: 0.8rem; }

form.stack {
  display: grid;
  gap: 0.75rem;
  max-width: 32rem;
  margin: 0.8rem 0 1rem;
}

form.inline { margin-top: 0.5rem; }

label.field, label.check {
  display: grid;
  gap: 0.3rem;
  font-size: 0.92rem;
}

label.check { display: flex; align-items: center; gap: 0.5rem; }

form input, form select, form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #050910;
  color: var(--ink);
  font: inherit;
}

textarea { min-height: 8rem; }

button.button, a.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin: 0.35rem 0;
  padding: 0.55rem 0.95rem;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #04221c;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

button.secondary { background: #17263c; color: var(--ink); border: 1px solid var(--line); }

article.card { margin: 0.6rem 0; }

@media (max-width: 800px) {
  .menu-btn { display: inline-flex; }
  .tag { display: none; }
  .layout { grid-template-columns: 1fr; }
  .side { display: none; }
  .nav-open:checked ~ .layout .side {
    display: block;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .side a { min-height: 44px; padding: 0.7rem 0.75rem; }
  main { padding: 1rem 0.9rem 2.5rem; }
  h1 { font-size: 1.45rem; }
  .cards { grid-template-columns: 1fr; }
  .card { padding: 1rem; }
  .pager { grid-template-columns: 1fr; }
  .pager a.next { text-align: left; }

  table.props thead { display: none; }
  table.props,
  table.props tbody,
  table.props tr,
  table.props td { display: block; width: auto; }
  table.props tr {
    margin: 0 0 0.75rem;
    padding: 0.35rem 0.75rem 0.6rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
  }
  table.props td {
    border: 0;
    padding: 0.4rem 0 0;
  }
  table.props td::before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
  }
}