/* =============================================================
   Loom — Global Stylesheet
   Dark/neon aesthetic: deep dark background, monospace font,
   neon accents on interactive elements only.
   ============================================================= */

/* 1. Font: Fira Code (self-hosted, latin subset)
   fira-code font-weight 400 and 600
   ============================================================= */
@font-face {
  font-family: 'Fira Code';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url('/fonts/fira-code-latin-400-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Fira Code';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url('/fonts/fira-code-latin-600-normal.woff2') format('woff2');
}

/* 2. CSS Custom Properties
   ============================================================= */
:root {
  /* Backgrounds */
  --bg-base:        #0D0D1A;   /* Deep dark — main background */
  --bg-surface:     #13132A;   /* Cards, sidebar */
  --bg-elevated:    #1A1A3A;   /* Code blocks, hover states */

  /* Text — WCAG AA compliant on --bg-base */
  --text-primary:   #D0D0D0;   /* Body text — ~10:1 contrast on --bg-base */
  --text-secondary: #8888AA;   /* Metadata, dates, secondary labels */
  --text-dim:       #555577;   /* Disabled, placeholder */

  /* Neon accents — interactive elements only, NOT body text */
  --neon-cyan:      #00E5FF;   /* Primary: tag pills, links, active states */
  --neon-magenta:   #FF2D78;   /* Secondary: hover states, highlights */
  --neon-green:     #39FF14;   /* Tertiary: category labels */

  /* Typography */
  --font-mono: 'Fira Code', 'Cascadia Code', monospace;
}

/* 3. CSS Reset / Base
   ============================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 4. Navigation (.site-nav)
   ============================================================= */
.site-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--bg-elevated);
}

.nav-home {
  font-weight: 600;
  color: var(--neon-cyan);
  text-decoration: none;
}

.nav-home:hover {
  text-decoration: underline;
}

.nav-tags {
  color: var(--text-secondary);
  text-decoration: none;
}

.nav-tags:hover {
  color: var(--neon-cyan);
  text-decoration: underline;
}

/* 5. Main Content Area
   ============================================================= */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

/* 6. Index Page
   ============================================================= */
.index-hero {
  padding: 2rem 0;
}

.index-title {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.index-subtitle {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.category-section {
  margin-top: 3rem;
}

.category-heading {
  font-size: 1.25rem;
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--bg-elevated);
  margin-bottom: 1rem;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

/* 7. DocCard (.doc-card)
   ============================================================= */
.doc-card {
  background: var(--bg-surface);
  border: 1px solid var(--bg-elevated);
  border-radius: 6px;
  padding: 1rem;
  transition: border-color 0.15s ease;
}

.doc-card:hover {
  border-color: var(--neon-cyan);
}

.doc-card-link {
  text-decoration: none;
  display: block;
}

.doc-card-title {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.doc-card-link:hover .doc-card-title {
  color: var(--neon-cyan);
}

.doc-card-date {
  color: var(--text-secondary);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 0.5rem;
}

.doc-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

/* 8. Tag Pill (.tag-pill)
   Interactive element — neon border/background is correct here.
   Do NOT use neon as body text color.
   ============================================================= */
.tag-pill {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: transparent;
  border: 1px solid var(--neon-cyan);
  border-radius: 3px;
  color: var(--neon-cyan);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-decoration: none;
  transition: background 0.1s ease, color 0.1s ease;
}

.tag-pill:hover {
  background: var(--neon-cyan);
  color: var(--bg-base);
  text-decoration: none;
}

/* 9. Document Page
   ============================================================= */
.doc-page {
  max-width: 720px;
  margin: 0 auto;
}

.doc-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--bg-elevated);
}

.doc-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.doc-date {
  color: var(--neon-magenta);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.75rem;
}

.doc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.doc-content {
  line-height: 1.8;
}

.doc-content h1,
.doc-content h2,
.doc-content h3 {
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.doc-content p {
  margin-bottom: 1rem;
}

.doc-content code {
  background: var(--bg-elevated);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.doc-content pre {
  background: var(--bg-elevated);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.doc-content pre code {
  background: transparent;
  padding: 0;
  font-size: 0.875rem;
}

.doc-content a {
  color: var(--neon-cyan);
}

.doc-content ul,
.doc-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.doc-content li {
  margin-bottom: 0.25rem;
}

.doc-content blockquote {
  border-left: 3px solid var(--bg-elevated);
  padding-left: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* 10. Tag Pages
   ============================================================= */
.tag-page-heading {
  font-size: 2rem;
  font-weight: 600;
  color: var(--neon-cyan);
  margin-bottom: 1.5rem;
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.tag-count {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-left: 0.25rem;
}