/* ------------------------------------------------------------------
   site.css: shared styles for DepsGuard content pages (/guide/, setting
   and incident pages). The homepage (index.html) keeps its own inline
   styles; this file reuses the same design tokens so the pages match.
   ------------------------------------------------------------------ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0e17;
  --surface: #111827;
  --surface-2: #1a2233;
  --border: #1f2937;
  --border-hi: #374151;
  --text: #f3f4f6;
  --text-dim: #9ca3b8;
  --text-mute: #6b7280;
  --text-strong: #ffffff;
  --arnica: #44bea4;
  --gold: #fbbf24;
  --grid-major: rgba(255, 255, 255, .025);
  --grid-minor: rgba(255, 255, 255, .012);
  --mono: 'SF Mono', 'Menlo', 'Monaco', 'Cascadia Code', 'Fira Code', 'Courier New', monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --surface: #f8fafc;
    --surface-2: #f1f5f9;
    --border: #e2e8f0;
    --border-hi: #cbd5e1;
    --text: #1e293b;
    --text-dim: #475569;
    --text-mute: #94a3b8;
    --text-strong: #0f172a;
    --arnica: #0d9488;
    --gold: #451a03;
    --grid-major: rgba(0, 0, 0, .035);
    --grid-minor: rgba(0, 0, 0, .018);
  }
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

.grid-bg {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px, 12px 12px, 12px 12px;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: var(--mono);
  font-size: .875em;
  background: rgba(139, 92, 246, .08);
  color: #a78bfa;
  padding: .15em .35em;
  border-radius: 4px;
  border: 1px solid rgba(139, 92, 246, .15);
}

@media (prefers-color-scheme: light) {
  code {
    background: rgba(109, 40, 217, .07);
    color: #6d28d9;
    border-color: rgba(109, 40, 217, .18);
  }
}

/* ── Nav (mirrors the homepage nav) ──────────────────────────── */
.nav {
  position: relative;
  z-index: 2;
}

.nav-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-ascii {
  font-family: var(--mono);
  font-size: 5.5px;
  line-height: 1;
  white-space: pre;
  letter-spacing: -0.3px;
  color: var(--gold);
  font-weight: bold;
  -webkit-text-stroke: 0.3px var(--gold);
  transition: opacity .15s;
}

.nav-ascii:hover {
  opacity: .75;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-right a {
  color: var(--text-dim);
  transition: color .15s;
  display: flex;
  align-items: center;
}

.nav-right a:hover {
  color: var(--text);
}

.gh-star-widget {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  line-height: 20px;
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  background: var(--surface);
  padding: 3px 10px;
  transition: all .12s;
}

.gh-star-widget:hover {
  background: var(--surface-2);
  border-color: var(--text-mute);
  color: var(--text-strong);
}

.gh-star-widget .gh-icon {
  width: 16px;
  height: 16px;
  color: var(--text-dim);
}

.gh-star-widget .gh-star-icon {
  width: 16px;
  height: 16px;
  color: #9198a1 !important;
}

.gh-star-count {
  display: none;
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  background: rgba(110, 118, 129, .4);
  padding: 0 6px;
  border-radius: 10px;
  line-height: 18px;
}

.gh-star-count.visible {
  display: inline-block;
}

@media (prefers-color-scheme: light) {
  .gh-star-count {
    background: rgba(175, 184, 193, .2);
  }

  .gh-star-widget .gh-star-icon {
    color: #636c76;
  }
}

/* ── Article layout ──────────────────────────── */
main {
  flex: 1 0 auto;
  position: relative;
  z-index: 2;
}

.doc {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3.5rem;
}

.breadcrumb {
  font-size: .8125rem;
  color: var(--text-mute);
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
}

.breadcrumb a {
  color: var(--text-dim);
  transition: color .15s;
}

.breadcrumb a:hover {
  color: var(--text);
}

.breadcrumb .sep {
  color: var(--text-mute);
  opacity: .6;
}

.doc h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: .85rem;
  color: var(--text-strong);
}

.doc .lede {
  font-size: 1.075rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.doc h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.01em;
  scroll-margin-top: 5rem;
}

.doc h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.75rem 0 .75rem;
  scroll-margin-top: 5rem;
}

.doc p {
  margin: 0 0 1rem;
}

.doc p,
.doc li {
  color: var(--text-dim);
}

.doc strong {
  color: var(--text);
  font-weight: 650;
}

.doc ul,
.doc ol {
  margin: 0 0 1.25rem;
  padding-left: 1.4rem;
}

.doc li {
  margin-bottom: .5rem;
}

.doc a:not(.btn):not(.card):not(.nav-ascii) {
  color: var(--arnica);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--arnica) 40%, transparent);
  text-underline-offset: 2px;
}

.doc a:not(.btn):not(.card):not(.nav-ascii):hover {
  text-decoration-color: var(--arnica);
}

/* Callout / aside box */
.note {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  padding: .9rem 1.1rem;
  margin: 1.5rem 0;
  font-size: .925rem;
  color: var(--text-dim);
}

.note strong {
  color: var(--text);
}

/* Code block */
.doc pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  margin: 0 0 1.25rem;
  font-size: .85rem;
  line-height: 1.6;
}

.doc pre code {
  font-family: var(--mono);
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: inherit;
}

/* Content tables */
.doc-table-wrap {
  overflow-x: auto;
  margin: 0 0 1.5rem;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.doc th {
  text-align: left;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-2);
  padding: .6rem .85rem;
  border-bottom: 1px solid var(--border-hi);
  white-space: nowrap;
}

.doc td {
  padding: .6rem .85rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}

.doc tr:last-child td {
  border-bottom: none;
}

.doc td code,
.doc th code {
  white-space: nowrap;
}

/* Card grid (used on /guide/ to link out to sub-pages) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 1.5rem;
}

.card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  padding: 1rem 1.1rem;
  transition: border-color .15s, transform .15s;
}

.card:hover {
  border-color: var(--text-mute);
  transform: translateY(-2px);
}

.card .card-title {
  font-weight: 650;
  color: var(--text-strong);
  margin-bottom: .3rem;
  font-size: .975rem;
}

.card .card-desc {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* Buttons / CTA */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 1.5rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  font-size: .9rem;
  padding: .6rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border-hi);
  background: var(--surface);
  color: var(--text);
  transition: all .15s;
}

.btn:hover {
  background: var(--surface-2);
  border-color: var(--text-mute);
}

.btn-primary {
  background: var(--arnica);
  border-color: var(--arnica);
  color: #04211b;
}

.btn-primary:hover {
  filter: brightness(1.08);
  background: var(--arnica);
}

@media (prefers-color-scheme: light) {
  .btn-primary {
    color: #ffffff;
  }
}

/* Related links list */
.related {
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
}

.related h2 {
  margin-top: 0;
}

.related ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: .5rem;
}

.related a {
  color: var(--arnica);
}

/* ── FAQ (mirrors the homepage FAQ) ──────────────────────────── */
.faq-list {
  padding: 0;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: .5rem;
  margin-bottom: .75rem;
  background: var(--surface);
}

.faq-q {
  padding: .85rem 1rem;
  font-weight: 600;
  color: var(--text);
  font-size: .9375rem;
  margin: 0;
}

.faq-list .faq-body {
  padding: 0 1rem 1rem 1rem;
  color: var(--text-dim);
  line-height: 1.75;
  font-size: .875rem;
}

.faq-list .faq-body a {
  color: var(--arnica);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--arnica) 40%, transparent);
  text-underline-offset: 2px;
}

/* ── Footer (mirrors the homepage footer) ──────────────────────────── */
.footer {
  margin-top: 2rem;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

.footer-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8125rem;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--border);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.footer-left img {
  height: 16px;
  display: inline-block;
  vertical-align: middle;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-right a {
  color: var(--text-mute);
  transition: color .15s;
}

.footer-right a:hover {
  color: var(--text);
}

@media (max-width:768px) {
  .doc h1 {
    font-size: 1.6rem;
  }

  .doc .lede {
    font-size: 1rem;
  }

  .doc h2 {
    font-size: 1.25rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .card,
  .btn,
  .gh-star-widget {
    transition: none;
  }

  .card:hover {
    transform: none;
  }
}