/* ============================================================================
   VectorLabz docs — tactical HUD theme (navy + brass).
   Dark ("slate") is default; light ("default") is a clean warm-paper mode.
   Shared navy header + purposeful brass accents; surfaces adapt per scheme.
   ============================================================================ */

:root {
  --vl-brass: #b58a3e;
  --vl-brass-bright: #e0bd77;   /* accents on dark */
  --vl-brass-deep: #8a6521;     /* accents on light (AA) */
  --vl-navy: #0b1220;
  --vl-navy-2: #10192c;
  --vl-navy-3: #16223a;
  --vl-paper: #faf8f2;
  --vl-paper-2: #f2ede1;
  --vl-ink: #171d29;

  --md-admonition-icon--brass: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M12 2 2 7l10 5 10-5z"/></svg>');
}

/* Brass as primary + accent, both schemes. */
[data-md-color-scheme="slate"],
[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--vl-brass);
  --md-primary-fg-color--light: var(--vl-brass-bright);
  --md-primary-fg-color--dark: var(--vl-brass-deep);
}

/* Force brass content links — Zensical re-sets --md-typeset-a-color on <body>
   after extra.css, so we override the color property directly (higher specificity
   than Material's `.md-typeset a`). Buttons + nav keep their own styling. */
[data-md-color-scheme="slate"] .md-content .md-typeset a:not(.md-button) { color: var(--vl-brass-bright); }
[data-md-color-scheme="default"] .md-content .md-typeset a:not(.md-button) { color: var(--vl-brass-deep); }
.md-content .md-typeset a:not(.md-button) { transition: color .15s ease, text-decoration-color .15s ease; }
.md-content .md-typeset a:not(.md-button):hover {
  color: var(--md-primary-fg-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* Fluid: smooth scroll + gentle content entrance on navigation. */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: no-preference) {
  .md-content__inner > * { animation: vl-rise .34s cubic-bezier(.22,.61,.36,1) both; }
  @keyframes vl-rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
}

/* ── Dark mode ────────────────────────────────────────────────────────────── */
[data-md-color-scheme="slate"] {
  --md-default-bg-color: var(--vl-navy);
  --md-default-fg-color: #dde5f1;
  --md-default-fg-color--light: #aab6c8;
  --md-default-fg-color--lighter: #7b8699;
  --md-typeset-a-color: var(--vl-brass-bright);
  --md-accent-fg-color: var(--vl-brass-bright);
  --md-code-bg-color: #0a101c;
  --md-code-fg-color: #ecd8ad;
  --md-typeset-table-color: color-mix(in oklab, var(--vl-brass) 30%, transparent);
  --md-footer-bg-color: #070c16;
  --vl-surface: var(--vl-navy-2);
  --vl-surface-2: var(--vl-navy-3);
  --vl-hair: color-mix(in oklab, var(--vl-brass) 22%, transparent);
}

/* ── Light mode ───────────────────────────────────────────────────────────── */
[data-md-color-scheme="default"] {
  --md-default-bg-color: var(--vl-paper);
  --md-default-fg-color: var(--vl-ink);
  --md-default-fg-color--light: #46505f;
  --md-default-fg-color--lighter: #7a8394;
  --md-typeset-a-color: var(--vl-brass-deep);
  --md-accent-fg-color: var(--vl-brass-deep);
  --md-code-bg-color: #f2ecdf;
  --md-code-fg-color: #7a5713;
  --md-typeset-table-color: color-mix(in oklab, var(--vl-brass-deep) 28%, transparent);
  --md-footer-bg-color: var(--vl-navy);
  --vl-surface: #ffffff;
  --vl-surface-2: var(--vl-paper-2);
  --vl-hair: color-mix(in oklab, var(--vl-brass-deep) 26%, transparent);
}

/* ── Navy glass header (both schemes) ─────────────────────────────────────── */
.md-header {
  background: color-mix(in oklab, var(--vl-navy) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in oklab, var(--vl-brass) 40%, transparent);
  color: #eaf0f8;
}
.md-header__title { letter-spacing: .015em; color: #f3f6fb; font-weight: 600; }
.md-tabs { background: transparent; }
.md-tabs__link { color: #c6d0e0; opacity: .92; transition: color .15s ease; }
.md-tabs__link:hover { color: #fff; opacity: 1; }
.md-tabs__link--active { color: var(--vl-brass-bright); opacity: 1; }
.md-search__form { background: color-mix(in oklab, #ffffff 12%, transparent); border-radius: 8px; }
.md-search__form:hover { background: color-mix(in oklab, #ffffff 18%, transparent); }
.md-search__input::placeholder { color: #aeb9cb; }

/* ── Headings: brass eyebrow rule on h2 for rhythm ────────────────────────── */
.md-typeset h1 { font-weight: 700; letter-spacing: -.01em; }
.md-typeset h2 {
  font-weight: 700;
  padding-top: .4em;
  border-top: 1px solid var(--vl-hair);
  margin-top: 2.4em;
}
.md-typeset h2::before {
  content: "";
  display: inline-block;
  width: 1.5rem; height: 3px; margin-right: .55rem; vertical-align: middle;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--md-primary-fg-color), transparent);
}
.md-typeset h3 { font-weight: 600; }

/* ── Sidebar + TOC active state → brass (kills the stock lilac pill) ──────── */
.md-nav__link--active,
.md-nav__link:focus,
.md-nav__link:hover { color: var(--md-primary-fg-color--dark); }
.md-nav__item .md-nav__link--active {
  color: var(--md-primary-fg-color--dark);
  font-weight: 600;
  background: color-mix(in oklab, var(--vl-brass) 12%, transparent);
  border-radius: 6px;
}
[data-md-color-scheme="slate"] .md-nav__item .md-nav__link--active { color: var(--vl-brass-bright); }
.md-nav__link--passed { color: var(--md-default-fg-color--light); }
/* right-hand TOC */
.md-nav--secondary .md-nav__link--active { border-left: 2px solid var(--md-primary-fg-color); }

/* ── Tables: brass-tinted header, hairlines, hover ───────────────────────── */
.md-typeset table:not([class]) {
  border: 1px solid var(--vl-hair);
  border-radius: 10px;
  overflow: hidden;
}
.md-typeset table:not([class]) th {
  background: color-mix(in oklab, var(--vl-brass) 14%, transparent);
  color: var(--md-default-fg-color);
  font-weight: 700;
  border-bottom: 1px solid var(--vl-hair);
}
.md-typeset table:not([class]) td { border-top: 1px solid color-mix(in oklab, var(--vl-brass) 10%, transparent); }
.md-typeset table:not([class]) tr:hover td { background: color-mix(in oklab, var(--vl-brass) 6%, transparent); }

/* ── Grid cards → glass panels, per-scheme surface, brass edge on hover ───── */
.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  background: var(--vl-surface);
  border: 1px solid var(--vl-hair);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.md-typeset .grid.cards > ul > li:hover {
  border-color: var(--md-primary-fg-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px color-mix(in oklab, var(--vl-brass) 16%, transparent);
}
.md-typeset .grid.cards > ul > li > :first-child { font-size: 1.02rem; }

/* ── Admonitions + collapsibles: brass rule ──────────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  border: 1px solid var(--vl-hair);
  border-left: 3px solid var(--md-primary-fg-color);
  border-radius: 8px;
  background: var(--vl-surface);
}
.md-typeset .admonition-title,
.md-typeset summary { background: color-mix(in oklab, var(--vl-brass) 9%, transparent); }

/* ── Code: hairline + rounded ────────────────────────────────────────────── */
.md-typeset pre > code { border: 1px solid var(--vl-hair); border-radius: 10px; }
.md-typeset code { border-radius: 5px; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.md-typeset .md-button {
  border-color: var(--md-primary-fg-color);
  color: var(--md-primary-fg-color--dark);
  border-radius: 8px;
}
.md-typeset .md-button--primary {
  background: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  color: #0b1220;
}
.md-typeset .md-button:hover {
  background: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  color: #0b1220;
}

/* ── Hero (home) ─────────────────────────────────────────────────────────── */
.md-typeset .vl-hero {
  margin: .5rem 0 2.2rem;
  padding: 2.2rem 2rem;
  border: 1px solid var(--vl-hair);
  border-radius: 16px;
  background:
    radial-gradient(120% 120% at 100% 0%, color-mix(in oklab, var(--vl-brass) 12%, transparent), transparent 55%),
    var(--vl-surface);
}
.md-typeset .vl-hero h1 { margin: 0 0 .4rem; font-size: 2.1rem; }
.md-typeset .vl-hero p { font-size: 1.02rem; color: var(--md-default-fg-color--light); max-width: 46rem; }
.md-typeset .vl-hero .vl-eyebrow {
  display: inline-block; margin-bottom: .7rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--md-primary-fg-color--dark);
  padding: .28rem .6rem; border-radius: 999px;
  border: 1px solid var(--vl-hair);
  background: color-mix(in oklab, var(--vl-brass) 10%, transparent);
}
[data-md-color-scheme="slate"] .md-typeset .vl-hero .vl-eyebrow { color: var(--vl-brass-bright); }

/* Footer stays navy in both modes for brand cohesion. */
.md-footer, .md-footer-meta { color: #cfd8e6; }

/* Belt-and-suspenders: hide the "Made with Zensical" line, keep our copyright. */
.md-copyright { font-size: 0 !important; }
.md-copyright__highlight { font-size: .64rem !important; }
.md-copyright a[href*="zensical"] { display: none !important; }

/* HUD-style eyebrow (echoes the vectorlabz.io "[ … ]" tactical labels). */
.md-typeset .vl-hero .vl-eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: .68rem;
}

/* Inter tuning: crisper heading weights + comfortable reading measure. */
.md-typeset { font-feature-settings: "cv11", "ss01"; }
.md-typeset h1 { font-weight: 800; letter-spacing: -.02em; }
.md-typeset h2 { font-weight: 750; letter-spacing: -.01em; }
.md-typeset h3 { font-weight: 700; letter-spacing: -.005em; }
.md-typeset p, .md-typeset li { line-height: 1.7; }
