/*
 * Macaulay2 Micro-Workshops -- customizations on top of beautiful-jekyll.
 *
 * Palette (see _config.yml):
 *   teal   #0E6E6A  primary / links       (modern take on macaulay2.com's #009999)
 *   amber  #C2610F  accent / hover        (modern take on its orange logo link)
 *   ink    #1C2A2A  body text
 *   deep   #0B3B3A  navbar
 *   rule   #E4EBEA  hairlines and card borders
 */

:root {
  --m2-teal: #0E6E6A;
  --m2-teal-deep: #0B3B3A;
  --m2-amber: #C2610F;
  --m2-ink: #1C2A2A;
  --m2-muted: #5A6E6E;
  --m2-rule: #E4EBEA;
  --m2-surface: #FFFFFF;
}

/* ---------- Typography ---------- */

body,
.navbar-custom .navbar-brand,
.navbar-custom .nav li a {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
}

body {
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4,
.intro-header .page-heading h1,
.intro-header .post-heading h1 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Keep prose to a comfortable measure without narrowing tables or cards. */
.post-content > p,
.post-content > ul,
.post-content > ol,
.post-content > blockquote {
  max-width: 68ch;
}

/* ---------- Workshop cards (home page) ---------- */

.workshop-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.workshop-card {
  background: var(--m2-surface);
  border: 1px solid var(--m2-rule);
  border-left: 3px solid var(--m2-teal);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 2px rgba(11, 59, 58, 0.06);
  transition: box-shadow 0.15s ease, transform 0.15s ease,
    border-left-color 0.15s ease;
}

.workshop-card:hover {
  box-shadow: 0 4px 14px rgba(11, 59, 58, 0.10);
  border-left-color: var(--m2-amber);
  transform: translateY(-1px);
}

.workshop-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.workshop-card h3 a {
  text-decoration: none;
}

.workshop-meta,
.workshop-facts dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--m2-muted);
}

.workshop-meta {
  margin: 0 0 0.6rem;
}

.workshop-blurb {
  margin: 0;
  max-width: 68ch;
}

.workshops-more {
  margin: 0.25rem 0 0;
  padding-left: 1.5rem;
  color: var(--m2-muted);
  font-style: italic;
}

/* ---------- Workshop detail page ---------- */

.workshop-facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1.25rem;
  margin: 0 0 2rem;
  padding: 1.1rem 1.4rem;
  background: var(--m2-surface);
  border: 1px solid var(--m2-rule);
  border-radius: 10px;
}

.workshop-facts dt {
  margin: 0;
  padding-top: 0.15rem;
}

.workshop-facts dd {
  margin: 0;
}

.workshop-back {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--m2-rule);
  font-size: 0.95rem;
}

/* ---------- Motion / dark mode ---------- */

@media (prefers-reduced-motion: reduce) {
  .workshop-card {
    transition: none;
  }
  .workshop-card:hover {
    transform: none;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --m2-ink: #E6EFEE;
    --m2-muted: #9AB0AF;
    --m2-rule: #22322F;
    --m2-surface: #16211F;
  }

  body {
    background-color: #101817;
    color: var(--m2-ink);
  }

  a,
  .post-content a {
    color: #4FB3AE;
  }

  a:hover,
  a:focus,
  .post-content a:hover {
    color: #E58A3A;
  }

  .workshop-card,
  .workshop-facts {
    box-shadow: none;
  }

  footer.footer-min,
  footer {
    background-color: #16211F;
    color: var(--m2-muted);
  }
}