/* blu-helper — terminal/manpage aesthetic, monospace-only, flat-on-cream */

:root {
  --canvas: #fdfcfc;
  --surface-soft: #f8f7f7;
  --surface-card: #f1eeee;
  --surface-dark: #201d1d;
  --ink: #201d1d;
  --ink-deep: #0f0000;
  --charcoal: #302c2c;
  --body: #424245;
  --mute: #646262;
  --stone: #6e6e73;
  --ash: #9a9898;
  --hairline: rgba(15, 0, 0, 0.12);
  --hairline-strong: #646262;
  --accent: #007aff;
  --accent-hover: #0056b3;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --space-section: 96px;

  --radius-sm: 4px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 72px;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--canvas);
  color: var(--ink);
}

body {
  font-family: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular,
    Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: var(--ink);
  text-decoration: underline;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Nav */
.site-nav {
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas);
  position: fixed;
  width: 100%;
  z-index: 1;
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.wordmark {
  font-weight: 700;
  font-size: 16px;
  white-space: pre;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-weight: 500;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-size: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-family: inherit;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  padding: var(--space-xs);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: var(--space-sm) var(--space-lg);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 16px;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }
}

.nav-links a:hover {
  text-decoration: underline;
}

/* Hero */
.hero {
  position: relative;
  padding: var(--space-section) 0 var(--space-xxl);
}

.hero h1 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 var(--space-lg);
}

.hero p {
  color: var(--body);
  margin: 0 0 var(--space-lg);
  max-width: 640px;
}

.hero-video-source {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.anim-canvas {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4 / 3;
  display: block;
  background: var(--surface-dark);
  margin-top: var(--space-xl);
}

.video-title {
  font-size:  xx-small;
  margin-bottom: 0px !important;
  text-decoration: none;
}

/* Search */
.search-row {
  padding: var(--space-lg) 0;
}

#search {
  width: 100%;
  background: var(--surface-soft);
  border: 1px solid var(--hairline);
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
  padding: 8px 12px;
  height: 40px;
  border-radius: var(--radius-sm);
}

#search:focus {
  outline: none;
  background: var(--canvas);
  border-color: var(--ink);
}

.count-line {
  color: var(--mute);
  font-size: 14px;
  margin-top: var(--space-sm);
}

/* Sections */
.section {
  padding: var(--space-xxl) 0;
  border-top: 1px solid var(--hairline);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.section-head h2 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}

.section-blurb {
  color: var(--mute);
  font-size: 14px;
  margin: 0 0 var(--space-lg);
  max-width: 640px;
}

.list-row {
  padding: var(--space-sm) 0;
  display: flex;
  gap: var(--space-sm);
  align-items: baseline;
}

.list-row .marker {
  color: var(--ash);
  flex-shrink: 0;
}

.list-row .marker.toggle {
  cursor: pointer;
  color: var(--accent);
  font-weight: 700;
}

.list-row .marker.toggle:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.list-row .count-badge {
  color: var(--ash);
}

.list-row .entry-body {
  flex: 1 1 auto;
  min-width: 0;
}

.list-row .name {
  font-weight: 500;
}

.list-row .name a {
  color: var(--ink);
}

.list-row .desc {
  color: var(--body);
}

.list-row.child-row {
  padding-left: var(--space-xl);
}

.list-row.child-row .name {
  font-weight: 400;
}

.list-row.child-row .desc {
  color: var(--mute);
  font-size: 14px;
}

.list-row .tag {
  color: var(--ash);
  font-size: 14px;
}

.empty-note {
  color: var(--mute);
  font-size: 14px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding: var(--space-xxl) 0;
  color: var(--mute);
  font-size: 14px;
}

@media (max-width: 640px) {
  .hero {
    padding: 80px 0 var(--space-lg);
  }

  .hero h1 {
    font-size: 22px;
  }

  .section {
    padding: var(--space-xl) 0;
  }
}