.page--doc {
  min-height: 100vh;
  background: radial-gradient(1200px 700px at 10% -10%, rgba(145, 185, 255, 0.22), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(128, 224, 179, 0.18), transparent 55%), var(--bg);
}

.section--doc .section__inner {
  max-width: 1100px;
}

.doc-head {
  margin-bottom: 1rem;
}

.doc-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  letter-spacing: -0.02em;
}

.doc-sub {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.doc-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1rem, 2.2vw, 2rem);
  box-shadow: var(--shadow);
}

.doc-body {
  color: #1e2a45;
  line-height: 1.7;
}

.doc-body h1,
.doc-body h2,
.doc-body h3,
.doc-body h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 1.5em 0 0.7em;
  color: #101a32;
}

.doc-body h1:first-child,
.doc-body h2:first-child,
.doc-body h3:first-child {
  margin-top: 0;
}

.doc-body p,
.doc-body ul,
.doc-body ol,
.doc-body blockquote,
.doc-body pre,
.doc-body table {
  margin: 0 0 1.05rem;
}

.doc-body ul,
.doc-body ol {
  padding-left: 1.2rem;
}

.doc-body a {
  color: #153e92;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.doc-body hr {
  border: 0;
  border-top: 1px solid rgba(20, 38, 79, 0.15);
  margin: 1.2rem 0;
}

.doc-body blockquote {
  border-left: 3px solid rgba(20, 38, 79, 0.22);
  padding-left: 0.8rem;
  color: #344667;
}

.doc-body code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: rgba(19, 35, 73, 0.08);
  border-radius: 6px;
  padding: 0.15em 0.35em;
}

.doc-body pre {
  overflow-x: auto;
  border: 1px solid rgba(19, 35, 73, 0.12);
  border-radius: 12px;
  padding: 0.9rem;
  background: #f8faff;
}

.doc-body pre code {
  background: transparent;
  padding: 0;
}

.doc-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.doc-body th,
.doc-body td {
  border: 1px solid rgba(18, 34, 70, 0.18);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.doc-body th {
  background: #eef3ff;
}

.doc-error {
  margin: 0;
  padding: 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(190, 30, 30, 0.28);
  color: #7a1717;
  background: rgba(200, 29, 29, 0.07);
}

@media (max-width: 900px) {
  .topbar__actions {
    gap: 0.5rem;
  }

  .topbar__actions .btn {
    padding: 0.5rem 0.75rem;
  }
}