/* ---------------------------------------------------------------
   Custom styles layered on top of Beautiful Jekyll.
   Loaded last (via `site-css` in _config.yml), so plain overrides win.
   Two jobs: a calmer type scale, and a dark theme the base theme lacks.
   --------------------------------------------------------------- */

:root {
  --ink: #2e3a45;
  --ink-soft: #6b7680;
  --page: #ffffff;
  --surface: #f7f9f9;
  --border: #e3e8ec;
  --accent: #0f6f5c;
  --accent-hover: #0a5546;
  --code-bg: #f4f6f7;
}

/* --- Typography --- */

body {
  font-family: 'Lora', Georgia, 'Times New Roman', serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

p {
  line-height: 1.7;
  margin: 1.4rem 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

h2, h3 {
  margin-top: 2.4rem;
}

/* The theme underlines every link; keep that for prose, drop it elsewhere. */
a {
  color: var(--accent);
}
a:hover, a:focus {
  color: var(--accent-hover);
}

blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
  font-style: normal;
  color: var(--ink-soft);
}

pre, code {
  font-size: 0.875rem;
}
code {
  background-color: var(--code-bg);
  border-radius: 3px;
  padding: 0.1em 0.35em;
}
pre {
  background-color: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
}
pre code {
  background: none;
  padding: 0;
}

table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.95rem;
}
table th, table td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
}
table th {
  background-color: var(--surface);
}

/* Post images shouldn't blow past the column on mobile. */
.post-container img, .post-entry img, article img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

/* --- Navbar --- */

.navbar-custom {
  border-bottom: 1px solid var(--border);
  box-shadow: none;
}
.navbar-custom .navbar-brand {
  font-weight: 700;
  letter-spacing: -0.01em;
}
.navbar-custom .nav-link {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

/* --- Post list --- */

.post-preview {
  border-bottom: 1px solid var(--border);
  padding: 1.75rem 0;
}
.post-preview .post-title {
  font-size: 1.6rem;
}
.post-preview .post-meta {
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-style: normal;
  letter-spacing: 0.03em;
}
.blog-tags a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  font-size: 0.75rem;
  text-decoration: none;
}
.blog-tags a:hover {
  border-color: var(--accent);
}

/* --- Projects page --- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 3rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background-color: var(--page);
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.project-card:hover, .project-card:focus {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(15, 111, 92, 0.12);
  text-decoration: none;
  color: inherit;
}

.project-card-img {
  aspect-ratio: 16 / 9;
  background-color: var(--surface);
}
.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.project-card-body {
  padding: 1rem 1.1rem 1.2rem;
}
.project-card-title {
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
}
.project-card-subtitle {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.project-card-date {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}
.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.75rem 0 0;
  padding: 0;
}
.project-card-tags li {
  font-family: 'Open Sans', Helvetica, Arial, sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
}

/* --- Footer --- */

footer {
  border-top: 1px solid var(--border);
}

/* ---------------------------------------------------------------
   Dark theme. The base theme hardcodes its colours from _config.yml,
   so each of those rules needs an explicit counterpart here.
   --------------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #d7dee3;
    --ink-soft: #96a1aa;
    --page: #14181b;
    --surface: #1c2226;
    --border: #2b3338;
    --accent: #4fc4a8;
    --accent-hover: #77d9c2;
    --code-bg: #1c2226;
  }

  body {
    background-color: var(--page);
    color: var(--ink);
  }

  a, .post-preview a:hover, .post-preview a:focus {
    color: var(--accent);
  }
  a:hover, a:focus {
    color: var(--accent-hover);
  }

  h1, h2, h3, h4, h5, h6,
  .post-preview .post-title,
  .post-preview .post-subtitle,
  .post-preview a,
  .intro-header .page-heading h1,
  .intro-header .post-heading h1 {
    color: var(--ink);
  }

  .post-preview .post-meta,
  .post-heading .post-meta,
  .intro-header .page-heading .page-subheading,
  .intro-header .post-heading .post-subheading,
  .text-muted {
    color: var(--ink-soft) !important;
  }

  .navbar-custom,
  .navbar-custom .nav-item.dropdown .dropdown-menu {
    background-color: var(--surface);
    border-color: var(--border);
  }
  .navbar-custom .navbar-brand,
  .navbar-custom .nav-link,
  .navbar-custom .nav-item.dropdown .dropdown-menu .dropdown-item {
    color: var(--ink);
  }
  .navbar-custom .navbar-nav .dropdown-menu .dropdown-item:hover,
  .navbar-custom .navbar-nav .dropdown-menu .dropdown-item:focus {
    background-color: var(--page);
    color: var(--accent);
  }
  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(215,222,227,0.85)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
  }
  .navbar-toggler {
    border-color: var(--border);
  }

  /* The avatar sits on the page background, not the navbar. */
  .avatar-img-border {
    box-shadow: 0 0 0 1px var(--border);
  }

  footer {
    background-color: var(--surface);
    border-top-color: var(--border);
  }
  footer a, footer .copyright, footer .theme-by {
    color: var(--ink-soft);
  }
  footer a:hover, footer a:focus {
    color: var(--accent);
  }

  code, pre {
    background-color: var(--code-bg);
    color: var(--ink);
  }
  pre {
    border-color: var(--border);
  }
  .highlight, .highlight pre {
    background-color: var(--code-bg);
  }

  table th {
    background-color: var(--surface);
  }
  table th, table td {
    border-color: var(--border);
  }

  hr, hr.small, .post-preview {
    border-color: var(--border);
  }

  blockquote {
    color: var(--ink-soft);
  }

  .project-card {
    background-color: var(--surface);
  }
  .project-card:hover, .project-card:focus {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  }

  /* Search overlay injected by the theme */
  #beautifuljekyll-search-overlay {
    background-color: rgba(20, 24, 27, 0.97);
  }
  #nav-search-input,
  #search-results-container {
    background-color: var(--surface);
    color: var(--ink);
    border-color: var(--border);
  }
  #nav-search-input::placeholder {
    color: var(--ink-soft);
  }
  #search-results-container a {
    color: var(--accent);
  }
  #nav-search-exit {
    color: var(--ink-soft);
  }
}