/* sharpdocs.css — slate palette, hairline rules, Instrument Sans + Geist Mono */

@import url('https://fonts.googleapis.com/css2?family=Geist+Mono:wght@400;500&display=swap');

:root {
  --sd-canvas:      #f8fafc;
  --sd-panel:       #f1f5f9;
  --sd-rule:        #e2e8f0;
  --sd-ink:         #0f172a;
  --sd-ink-mute:    #64748b;
  --sd-ink-faint:   #94a3b8;
  --sd-signal:      #2563eb;
  --sd-signal-tint: rgba(37, 99, 235, 0.06);

  --bs-body-bg: var(--sd-canvas);
  --bs-body-color: var(--sd-ink);
  --bs-body-font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --bs-secondary-color: var(--sd-ink-mute);
  --bs-tertiary-color: var(--sd-ink-faint);
  --bs-border-color: var(--sd-rule);
  --bs-link-color: var(--sd-signal);
  --bs-link-hover-color: var(--sd-signal);
  --bs-emphasis-color: var(--sd-ink);
  --bs-font-monospace: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

html, body { background: var(--sd-canvas); color: var(--sd-ink); }
body {
  font-family: var(--bs-body-font-family);
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}

a { text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

:focus-visible { outline: 1px solid var(--sd-signal); outline-offset: 2px; }

/* ── Navbar ─────────────────────────────────────────────────────────── */
.navbar {
  background: #ffffff !important;
  border-bottom: 1px solid var(--sd-rule);
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.navbar-brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.05rem;
  color: var(--sd-ink);
}
.navbar-brand::before {
  content: '§';
  color: var(--sd-signal);
  margin-right: 6px;
  font-weight: 600;
}
.navbar .nav-link {
  color: var(--sd-ink-mute);
  font-size: 0.9rem;
  padding-left: 0.85rem;
  padding-right: 0.85rem;
}
.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--sd-ink); }
.navbar .form-control {
  background: var(--sd-canvas);
  border: 1px solid var(--sd-rule);
  border-radius: 0;
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem;
}
.navbar .form-control:focus {
  background: #ffffff;
  border-color: var(--sd-signal);
  box-shadow: none;
}
.navbar .form-control::placeholder { color: var(--sd-ink-faint); }

/* ── Left sidebar ───────────────────────────────────────────────────── */
aside[class*="col-"] {
  border-right: 1px solid var(--sd-rule) !important;
}
aside .nav-link {
  color: var(--sd-ink-mute);
  font-size: 0.9rem;
  padding: 0.32rem 0.75rem;
  border-radius: 0;
  border-left: 2px solid transparent;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}
aside .nav-link:hover {
  background: var(--sd-signal-tint);
  color: var(--sd-ink);
  text-decoration: none;
}
aside .nav-link.active {
  background: var(--sd-signal-tint);
  border-left-color: var(--sd-signal);
  color: var(--sd-ink);
  font-weight: 600;
}
aside h6 {
  font-size: 0.7rem !important;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--sd-ink-mute) !important;
  text-transform: uppercase;
  margin-top: 1.25rem !important;
  margin-bottom: 0.4rem !important;
}
aside h6::before { content: '§ '; color: var(--sd-signal); }

/* ── Article ────────────────────────────────────────────────────────── */
article h1 {
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 0.5rem;
}
article p.lead {
  font-size: 1.05rem;
  color: var(--sd-ink-mute);
  font-weight: 400;
}
article hr {
  border: 0;
  border-top: 1px solid var(--sd-rule);
  margin: 1.5rem 0;
  opacity: 1;
}
article h2 {
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.012em;
  margin-top: 2.25rem;
  margin-bottom: 0.6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--sd-rule);
}
article h3 {
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.005em;
  margin-top: 1.6rem;
  margin-bottom: 0.4rem;
}
article p, article li { line-height: 1.65; }
article ul, article ol { padding-left: 1.25rem; }
article a {
  color: var(--sd-signal);
  border-bottom: 1px solid color-mix(in srgb, var(--sd-signal) 35%, transparent);
}
article a:hover { text-decoration: none; border-bottom-color: var(--sd-signal); }
article code {
  font-family: var(--bs-font-monospace);
  font-size: 0.85em;
  background: var(--sd-panel);
  padding: 0.1em 0.4em;
  color: var(--sd-ink);
  border-radius: 2px;
}
article pre {
  background: var(--sd-panel);
  border: 1px solid var(--sd-rule);
  padding: 1rem 1.1rem;
  font-size: 0.86rem;
  line-height: 1.55;
  border-radius: 0;
  overflow-x: auto;
}
article pre code { background: transparent; padding: 0; font-size: inherit; }
article blockquote {
  border-left: 2px solid var(--sd-signal);
  padding: 0.1rem 1rem;
  color: var(--sd-ink-mute);
  margin: 1.25rem 0;
}
article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}
article th, article td {
  border-top: 1px solid var(--sd-rule);
  border-bottom: 1px solid var(--sd-rule);
  padding: 0.55rem 0.75rem;
  text-align: left;
}
article th {
  font-weight: 600;
  color: var(--sd-ink-mute);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-top: 0;
}

/* ── On-this-page rail ──────────────────────────────────────────────── */
nav[aria-label="On this page"] h6 {
  font-size: 0.7rem !important;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--sd-ink-mute) !important;
  text-transform: uppercase;
}
nav[aria-label="On this page"] .nav-link {
  color: var(--sd-ink-mute);
  font-size: 0.85rem;
  padding: 0.18rem 0 0.18rem 0.6rem;
  margin-left: -0.6rem;
  border-left: 2px solid transparent;
}
nav[aria-label="On this page"] .nav-link:hover,
nav[aria-label="On this page"] .nav-link.active {
  color: var(--sd-signal);
  border-left-color: var(--sd-signal);
  background: transparent;
}

/* ── Search dropdown ────────────────────────────────────────────────── */
#search-results {
  border-radius: 0 !important;
  border: 1px solid var(--sd-rule) !important;
  box-shadow: 0 8px 24px -12px rgba(15, 23, 42, 0.18) !important;
  max-height: 70vh;
}
#search-results .list-group-item {
  border-color: var(--sd-rule);
  padding: 0.6rem 0.85rem;
}
#search-results .list-group-item:hover { background: var(--sd-signal-tint); }
#search-results a.fw-bold { color: var(--sd-ink); font-weight: 600; }

/* ── Language dropdown ──────────────────────────────────────────────── */
.dropdown-menu {
  border-radius: 0;
  border: 1px solid var(--sd-rule);
  box-shadow: 0 8px 24px -12px rgba(15, 23, 42, 0.18);
  font-size: 0.9rem;
}
.dropdown-item.active, .dropdown-item:active {
  background: var(--sd-signal-tint);
  color: var(--sd-ink);
}

.text-body-secondary { color: var(--sd-ink-mute) !important; }
hr { border-top-color: var(--sd-rule); opacity: 1; }