/* ══════════════════════════════════════════════════════════════════
   WARMWIND KB -- "Technical Journal" Theme
   Editorial warmth meets systems-engineering precision.
   ══════════════════════════════════════════════════════════════════ */

/* ── Custom Properties ──────────────────────────────────────────── */
:root {
  /* Warm ink palette (light mode) */
  --ww-ink: #1a1a2e;
  --ww-ink-soft: #3a3a5c;
  --ww-paper: #faf8f5;
  --ww-paper-warm: #f3efe9;
  --ww-accent-linux: #0d7377;
  --ww-accent-backend: #c44e1a;
  --ww-accent-common: #5c4db1;
  --ww-accent-glow: #e8c547;
  --ww-border-subtle: rgba(26, 26, 46, 0.08);
  --ww-summary-bg: linear-gradient(135deg, rgba(13, 115, 119, 0.06), rgba(92, 77, 177, 0.04));
  --ww-code-bg: #f0ece4;
  --ww-grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

[data-md-color-scheme="slate"] {
  --ww-ink: #e4e1d8;
  --ww-ink-soft: #a8a49a;
  --ww-paper: #16161e;
  --ww-paper-warm: #1c1c28;
  --ww-accent-linux: #2dd4bf;
  --ww-accent-backend: #fb923c;
  --ww-accent-common: #a78bfa;
  --ww-accent-glow: #fbbf24;
  --ww-border-subtle: rgba(228, 225, 216, 0.06);
  --ww-summary-bg: linear-gradient(135deg, rgba(45, 212, 191, 0.08), rgba(167, 139, 250, 0.05));
  --ww-code-bg: #1e1e2e;
}

/* ── Typography ─────────────────────────────────────────────────── */
/* Override Material's font with something characterful */
.md-typeset {
  font-family: 'Source Serif 4', 'Charter', 'Georgia', serif;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--ww-ink);
  -webkit-font-smoothing: antialiased;
}

.md-typeset h1, .md-typeset h2, .md-typeset h3,
.md-typeset h4, .md-typeset h5, .md-typeset h6 {
  font-family: 'DM Sans', 'Helvetica Neue', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ww-ink);
}

.md-typeset h1 {
  font-size: 2.1em;
  line-height: 1.15;
  margin-bottom: 0.3em;
  padding-bottom: 0.35em;
  border-bottom: 2px solid var(--ww-border-subtle);
}

.md-typeset h2 {
  font-size: 1.45em;
  margin-top: 2.4em;
  padding-bottom: 0.2em;
  border-bottom: 1px solid var(--ww-border-subtle);
}

.md-typeset h3 {
  font-size: 1.15em;
  color: var(--ww-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* ── Page background with subtle grain ──────────────────────────── */
.md-content {
  background-image: var(--ww-grain);
  background-repeat: repeat;
}

/* ── Navigation sidebar ─────────────────────────────────────────── */
.md-nav__title {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
}

.md-nav__item--active > .md-nav__link {
  border-left: 3px solid var(--ww-accent-linux);
  padding-left: 0.6em;
  font-weight: 600;
}

/* ── Summary Boxes ──────────────────────────────────────────────── */
.summary-box {
  background: var(--ww-summary-bg);
  border: 1px solid var(--ww-border-subtle);
  border-left: 4px solid var(--ww-accent-common);
  padding: 1.1em 1.4em;
  margin: 0.5em 0 2em 0;
  border-radius: 2px 8px 8px 2px;
  font-size: 0.93em;
  line-height: 1.65;
  position: relative;
}

.summary-box::before {
  content: "TL;DR";
  position: absolute;
  top: -0.65em;
  left: 1em;
  background: var(--md-default-bg-color);
  padding: 0 0.5em;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ww-accent-common);
}

.summary-box strong {
  color: var(--ww-accent-linux);
}

/* ── Code Blocks ────────────────────────────────────────────────── */
.md-typeset code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.82em;
  background: var(--ww-code-bg);
  border: 1px solid var(--ww-border-subtle);
  border-radius: 3px;
  padding: 0.1em 0.35em;
}

.md-typeset pre {
  border-radius: 6px;
  border: 1px solid var(--ww-border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.md-typeset pre > code {
  border: none;
  background: transparent;
}

/* Code block language label */
.highlight .filename {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

/* ── Tables ─────────────────────────────────────────────────────── */
.md-typeset table:not([class]) {
  font-size: 0.84em;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--ww-border-subtle);
  border-radius: 6px;
  overflow: hidden;
  width: 100%;
}

.md-typeset table:not([class]) th {
  background: var(--ww-code-bg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.88em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.7em 1em;
  border-bottom: 2px solid var(--ww-border-subtle);
}

.md-typeset table:not([class]) td {
  padding: 0.6em 1em;
  border-bottom: 1px solid var(--ww-border-subtle);
}

.md-typeset table:not([class]) tr:last-child td {
  border-bottom: none;
}

.md-typeset table:not([class]) tbody tr:hover {
  background: rgba(13, 115, 119, 0.03);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tbody tr:hover {
  background: rgba(45, 212, 191, 0.05);
}

/* ── Admonitions ────────────────────────────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 4px;
  border-width: 1px;
  border-left-width: 4px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
  font-size: 0.9em;
}

.md-typeset .admonition-title,
.md-typeset details > summary {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.88em;
  letter-spacing: 0.01em;
}

/* Glossary style: collapsible info boxes */
.md-typeset details.info {
  border-color: var(--ww-accent-common);
  background: transparent;
}

.md-typeset details.info > summary {
  background: linear-gradient(90deg, rgba(92, 77, 177, 0.06), transparent);
}

[data-md-color-scheme="slate"] .md-typeset details.info > summary {
  background: linear-gradient(90deg, rgba(167, 139, 250, 0.08), transparent);
}

/* Expert callout */
.md-typeset .admonition.expert,
.md-typeset details.expert {
  border-color: var(--ww-accent-glow);
}
.md-typeset .expert > .admonition-title,
.md-typeset .expert > summary {
  background-color: rgba(232, 197, 71, 0.08);
}
.md-typeset .expert > .admonition-title::before,
.md-typeset .expert > summary::before {
  background-color: var(--ww-accent-glow);
  -webkit-mask-image: var(--md-admonition-icon--quote);
  mask-image: var(--md-admonition-icon--quote);
}

/* ── Mermaid Diagrams ───────────────────────────────────────────── */
/* Scope diagram colors to match the journal palette */
.mermaid {
  margin: 1.5em 0;
}

/* Light mode diagram overrides */
[data-md-color-scheme="default"] .mermaid {
  --md-mermaid-node-bg-color: #f0ece4;
  --md-mermaid-node-fg-color: #1a1a2e;
  --md-mermaid-edge-color: #3a3a5c;
  --md-mermaid-label-bg-color: #faf8f5;
  --md-mermaid-label-fg-color: #1a1a2e;
}

/* Dark mode diagram overrides */
[data-md-color-scheme="slate"] .mermaid {
  --md-mermaid-node-bg-color: #2a2a3e;
  --md-mermaid-node-fg-color: #e4e1d8;
  --md-mermaid-edge-color: #a8a49a;
  --md-mermaid-label-bg-color: #1c1c28;
  --md-mermaid-label-fg-color: #e4e1d8;
}

/* Contain large diagrams */
.mermaid svg {
  max-width: 100%;
  height: auto;
}

/* Sequence diagram note styling */
.mermaid .note {
  fill: var(--ww-code-bg) !important;
  stroke: var(--ww-border-subtle) !important;
}

/* ── Tags ───────────────────────────────────────────────────────── */
.md-typeset .md-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 2px;
  padding: 0.2em 0.5em;
}

/* ── Definition Lists (glossaries) ──────────────────────────────── */
.md-typeset dt {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88em;
  font-weight: 700;
  color: var(--ww-accent-linux);
  margin-top: 0.8em;
}

.md-typeset dd {
  font-size: 0.9em;
  padding-left: 1.2em;
  border-left: 2px solid var(--ww-border-subtle);
  margin-left: 0.4em;
  margin-bottom: 0.6em;
}

/* ── Links ──────────────────────────────────────────────────────── */
.md-typeset a {
  color: var(--ww-accent-linux);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.md-typeset a:hover {
  border-bottom-color: var(--ww-accent-linux);
}

/* ── Footer nav ─────────────────────────────────────────────────── */
.md-footer-nav__link {
  font-family: 'DM Sans', sans-serif;
}

/* ── Header ─────────────────────────────────────────────────────── */
.md-header {
  box-shadow: 0 1px 0 var(--ww-border-subtle);
}

/* ── Smooth transitions ─────────────────────────────────────────── */
.md-typeset h1, .md-typeset h2, .md-typeset h3,
.summary-box, .md-typeset .admonition, .md-typeset details,
.md-typeset table, .md-typeset pre {
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* ── Print refinements ──────────────────────────────────────────── */
@media print {
  .summary-box::before { content: none; }
  .md-content { background: white; }
  .md-typeset h1 { font-size: 1.8em; }
}

/* ── Responsive: compact tables on mobile ───────────────────────── */
@media (max-width: 768px) {
  .md-typeset table:not([class]) {
    font-size: 0.78em;
  }
  .md-typeset table:not([class]) th,
  .md-typeset table:not([class]) td {
    padding: 0.4em 0.6em;
  }
}