/* Home Lab Journal: the "patch panel" look.
   Ink, white and four network-cable colours, one per phase of the plan. */

:root {
  --hlj-ink: #111827;
  --hlj-blue: #2563EB;
  --hlj-yellow: #FACC15;
  --hlj-orange: #F97316;
  --hlj-green: #22C55E;
  --hlj-cable: linear-gradient(90deg,
    var(--hlj-blue) 0 25%, var(--hlj-yellow) 25% 50%,
    var(--hlj-orange) 50% 75%, var(--hlj-green) 75% 100%);
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: #111827;
  --md-primary-fg-color--light: #374151;
  --md-primary-fg-color--dark: #030712;
  --md-primary-bg-color: #FFFFFF;
  --md-primary-bg-color--light: #D1D5DB;
  --md-accent-fg-color: #1E3A8A;
  --md-typeset-a-color: #1D4ED8;
  --md-default-fg-color: #111827;
  --hlj-card-border: #111827;
  --hlj-shadow: #111827;
  --hlj-muted: #4B5563;
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #030712;
  --md-primary-fg-color--light: #1F2937;
  --md-primary-fg-color--dark: #000000;
  --md-primary-bg-color: #FFFFFF;
  --md-default-bg-color: #0B1120;
  --md-default-fg-color: #E5E7EB;
  --md-typeset-color: #E5E7EB;
  --md-accent-fg-color: #BFDBFE;
  --md-typeset-a-color: #93C5FD;
  --md-footer-bg-color: #030712;
  --hlj-card-border: #E5E7EB;
  --hlj-shadow: #2563EB;
  --hlj-muted: #9CA3AF;
}

/* Header: ink bar with a cable stripe underneath */
.md-header {
  box-shadow: none;
}
.md-header::after {
  content: "";
  display: block;
  height: 6px;
  background: var(--hlj-cable);
}
.md-header__topic:first-child .md-ellipsis {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

/* Headings: loud. Body: quiet. */
.md-typeset h1 {
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--md-default-fg-color);
}
.md-typeset h2 {
  font-weight: 800;
  letter-spacing: -0.015em;
}
.md-typeset h2::before {
  content: "";
  display: block;
  width: 2rem;
  height: 0.3rem;
  border-radius: 0.15rem;
  margin-bottom: 0.5rem;
  background: var(--hlj-blue);
}
.md-typeset h3 {
  font-weight: 800;
}
.md-typeset strong {
  font-weight: 700;
}

/* Home page intro */
.hlj-hero {
  padding: 0.4rem 0 1.6rem;
  margin-bottom: 2rem;
  border-bottom: 3px solid var(--hlj-card-border);
}
.hlj-hero .hlj-kicker {
  font-family: var(--md-code-font-family);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--hlj-muted);
  margin: 0 0 0.4rem;
}
.md-typeset .hlj-hero h1 {
  font-size: 2.6rem;
  text-transform: uppercase;
  margin: 0 0 0.8rem;
}
.hlj-hero .hlj-stripe {
  width: 8rem;
  height: 0.4rem;
  border-radius: 0.2rem;
  background: var(--hlj-cable);
  margin: 0 0 1rem;
}
.hlj-hero p {
  font-size: 0.95rem;
}
.hlj-hero p:last-child {
  margin-bottom: 0;
}

/* Post cards on the front page */
.md-post--excerpt {
  border: 3px solid var(--hlj-card-border);
  border-radius: 8px;
  box-shadow: 6px 6px 0 var(--hlj-shadow);
  padding: 1rem 1.4rem 0.6rem;
  margin: 0 0 2.4rem;
}
.md-post--excerpt .md-post__content h2 {
  margin-top: 0.6rem;
}
.md-post--excerpt .md-post__content h2 a {
  color: var(--md-default-fg-color);
}
.md-post--excerpt .md-post__content h2 a:hover {
  color: var(--md-typeset-a-color);
}
.md-post__action a {
  font-weight: 800;
}
.md-post__action a::after {
  content: " →";
}

/* Post meta: date, topic, reading time */
.md-meta {
  font-family: var(--md-code-font-family);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--hlj-muted);
}
.md-meta__link::before {
  content: "";
  display: inline-block;
  width: 1.1rem;
  height: 0.3rem;
  border-radius: 0.15rem;
  margin-right: 0.35rem;
  vertical-align: middle;
  background: var(--hlj-ink);
}
[data-md-color-scheme="slate"] .md-meta__link::before {
  background: #E5E7EB;
}

/* One cable colour per phase. Add a line here when a new topic arrives. */
.md-meta__link[href*="category/foundations"]::before { background: var(--hlj-blue); }
.md-meta__link[href*="category/firewall"]::before    { background: var(--hlj-yellow); }
.md-meta__link[href*="category/pi-cluster"]::before  { background: var(--hlj-orange); }
.md-meta__link[href*="category/game-night"]::before  { background: var(--hlj-green); }

/* Code */
.md-typeset code {
  border-radius: 4px;
}

/* Footer */
.md-footer {
  background-color: var(--hlj-ink);
}
.md-footer::before {
  content: "";
  display: block;
  height: 6px;
  background: var(--hlj-cable);
}

/* Logo: a touch bigger, with an outline so it doesn't vanish into the ink header */
.md-header__button.md-logo img {
  height: 1.7rem;
  border-radius: 5px;
  box-shadow: 0 0 0 1.5px #6B7280;
}

/* "Follow along on Instagram" link in the home page intro */
.md-typeset a.hlj-follow {
  display: inline-block;
  font-weight: 800;
}
.md-typeset a.hlj-follow::after {
  content: " →";
}