/* =============================================================
   site.css - pabasara-mahindapala.github.io
   Theme: Ink & Signal
   ============================================================= */

/* --- Custom properties (light mode) --- */
:root {
  --color-bg:           #FAFAF7;
  --color-surface:      #FFFFFF;
  --color-text:         #1A1A1A;
  --color-text-muted:   #4A4A4A;
  --color-border:       #E5E2DD;
  --color-accent:       #2C5282;
  --color-accent-hover: #1a3a6b;
  --color-accent-warm:  #D97757;
  --color-btn-primary:       #2C5282;
  --color-btn-primary-hover: #1a3a6b;

  /* Tinted backgrounds derived from accent colours (no color-mix needed) */
  --color-accent-bg:       rgba(44, 82, 130, 0.09);
  --color-accent-bg-hover: rgba(44, 82, 130, 0.17);
  --color-warm-bg:         rgba(217, 119, 87, 0.09);
  --color-warm-border:     rgba(217, 119, 87, 0.28);

  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --nav-height: 60px;
  --container:  900px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
}

/* --- Dark mode - system preference --- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:           #0F1419;
    --color-surface:      #1A2027;
    --color-text:         #E8E6E1;
    --color-text-muted:   #9CA3AF;
    --color-border:       #2D3440;
    --color-accent:       #7DB3D5;
    --color-accent-hover: #a8cfe8;
    --color-accent-warm:  #E89B75;
    --color-accent-bg:       rgba(125, 179, 213, 0.11);
    --color-accent-bg-hover: rgba(125, 179, 213, 0.20);
    --color-warm-bg:         rgba(232, 155, 117, 0.11);
    --color-warm-border:     rgba(232, 155, 117, 0.28);
    --color-btn-primary:       #2A6F9E;
    --color-btn-primary-hover: #1F5580;
  }
}

/* --- Dark / light override via JS toggle --- */
[data-theme="dark"] {
  --color-bg:           #0F1419;
  --color-surface:      #1A2027;
  --color-text:         #E8E6E1;
  --color-text-muted:   #9CA3AF;
  --color-border:       #2D3440;
  --color-accent:       #7DB3D5;
  --color-accent-hover: #a8cfe8;
  --color-accent-warm:  #E89B75;
  --color-accent-bg:       rgba(125, 179, 213, 0.11);
  --color-accent-bg-hover: rgba(125, 179, 213, 0.20);
  --color-warm-bg:         rgba(232, 155, 117, 0.11);
  --color-warm-border:     rgba(232, 155, 117, 0.28);
  --color-btn-primary:       #2A6F9E;
  --color-btn-primary-hover: #1F5580;
}

[data-theme="light"] {
  --color-bg:           #FAFAF7;
  --color-surface:      #FFFFFF;
  --color-text:         #1A1A1A;
  --color-text-muted:   #4A4A4A;
  --color-border:       #E5E2DD;
  --color-accent:       #2C5282;
  --color-accent-hover: #1a3a6b;
  --color-accent-warm:  #D97757;
  --color-accent-bg:       rgba(44, 82, 130, 0.09);
  --color-accent-bg-hover: rgba(44, 82, 130, 0.17);
  --color-warm-bg:         rgba(217, 119, 87, 0.09);
  --color-warm-border:     rgba(217, 119, 87, 0.28);
  --color-btn-primary:       #2C5282;
  --color-btn-primary-hover: #1a3a6b;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  transition: background 0.2s ease, color 0.2s ease;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

abbr[title] { text-decoration: underline dotted; cursor: help; }

/* --- Layout container --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Top nav --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  /* Subtle frosted effect on browsers that support it */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.2s ease;
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  font-style: italic;
}
.nav-brand:hover { color: var(--color-accent); text-decoration: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-links li { display: flex; align-items: center; }

.nav-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-accent-bg);
  text-decoration: none;
}

.nav-rss-link {
  display: flex;
  align-items: center;
  padding: 0.35rem 0.5rem !important;
}
.nav-rss-link svg {
  width: 15px;
  height: 15px;
  fill: var(--color-accent-warm);
}
.nav-rss-link:hover { background: var(--color-warm-bg) !important; }

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.28rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1;
  transition: border-color 0.15s, color 0.15s;
  margin-left: 0.25rem;
}
.theme-toggle:hover { border-color: var(--color-accent); color: var(--color-text); }

/* Mobile hamburger - hidden on desktop */
.nav-mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.28rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  line-height: 1.4;
}

@media (max-width: 620px) {
  .nav-mobile-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1rem 0.75rem;
    gap: 0;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }

  .nav-links a { padding: 0.55rem 0.75rem; }
  .theme-toggle { margin: 0.25rem 0.75rem 0; }
}

/* --- Main content area --- */
main {
  padding: 3rem 0 4rem;
  min-height: calc(100vh - var(--nav-height) - 120px);
}

/* --- Hero section (homepage) --- */
.hero {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 3rem;
}

.hero-inner {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.hero-avatar {
  flex-shrink: 0;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  object-fit: cover;
}

.hero-text h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  font-style: italic;
}

.hero-text p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 50ch;
}

.hero-cta {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-btn-primary);
  color: #fff;
  border-color: var(--color-btn-primary);
}
.btn-primary:hover {
  background: var(--color-btn-primary-hover);
  border-color: var(--color-btn-primary-hover);
  color: #fff;
  text-decoration: none;
}
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  background: transparent;
}

/* --- Section labels & headings --- */
.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.section-header .section-label { margin-bottom: 0; }

.section-link {
  font-size: 0.8125rem;
  color: var(--color-accent);
  text-decoration: none;
}
.section-link:hover { text-decoration: underline; }

/* --- Currently widget --- */
.currently {
  margin-bottom: 3rem;
}

.currently-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.currently-item {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.currently-emoji {
  font-size: 0.9375rem;
  flex-shrink: 0;
  width: 1.4em;
}

.currently-label {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  min-width: 5rem;
  flex-shrink: 0;
}

.currently-value { color: var(--color-text); }
.currently-value a { color: var(--color-accent); text-underline-offset: 2px; }

/* --- Tag chips --- */
.tag-chip {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.18rem 0.5rem;
  border-radius: 100px;
  background: var(--color-accent-bg);
  color: var(--color-accent);
  text-decoration: none;
  transition: background 0.15s;
  letter-spacing: 0.01em;
}
.tag-chip:hover {
  background: var(--color-accent-bg-hover);
  text-decoration: none;
  color: var(--color-accent);
}

/* --- Platform badges --- */
.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.18rem 0.5rem;
  border-radius: 100px;
  background: var(--color-warm-bg);
  color: var(--color-accent-warm);
  border: 1px solid var(--color-warm-border);
  text-decoration: none;
  transition: background 0.15s;
}
.platform-badge:hover {
  background: var(--color-warm-bg);
  opacity: 0.85;
  text-decoration: none;
  color: var(--color-accent-warm);
}

/* --- Post cards (homepage, archive) --- */
.post-list { list-style: none; }

.post-card {
  padding: 1.375rem 0;
  border-bottom: 1px solid var(--color-border);
}
.post-card:first-child { border-top: 1px solid var(--color-border); }

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.3rem;
  flex-wrap: wrap;
}

.post-date {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.post-card h2,
.post-card .post-card-title {
  font-family: var(--font-serif);
  font-size: 1.1875rem;
  line-height: 1.35;
  margin-bottom: 0.35rem;
  font-weight: 400;
  font-style: italic;
}
.post-card h2 a,
.post-card .post-card-title a {
  color: var(--color-text);
  text-decoration: none;
}
.post-card h2 a:hover,
.post-card .post-card-title a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.post-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.65;
}

.post-card-footer {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* --- Featured / sticky post card --- */
.featured-post {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.featured-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-warm);
  margin-bottom: 0.625rem;
}

.featured-post h2 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  line-height: 1.25;
  margin-bottom: 0.4rem;
  font-weight: 400;
  font-style: italic;
}
.featured-post h2 a { color: var(--color-text); text-decoration: none; }
.featured-post h2 a:hover { color: var(--color-accent); }

/* --- Legacy homepage classes (Phase 1 compatibility; replaced in Phase 2) --- */
.posts .post,
.post.sticky-post {
  padding: 1.375rem 0;
  border-bottom: 1px solid var(--color-border);
}
.posts .post:first-child { border-top: 1px solid var(--color-border); }

h2.title-name {
  font-family: var(--font-serif);
  font-size: 1.1875rem;
  line-height: 1.35;
  font-weight: 400;
  font-style: italic;
  margin-bottom: 0.3rem;
}
h2.title-name a { color: var(--color-text); text-decoration: none; }
h2.title-name a:hover { color: var(--color-accent); text-decoration: none; }

.latest-posts h1 {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 2.5rem 0 0;
  font-style: normal;
}

/* --- Individual post page --- */
.post {
  padding: 2rem 0;
}

.post-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.post-header h1,
.post-title {
  font-family: var(--font-serif);
  font-size: clamp(1.625rem, 4vw, 2.375rem);
  line-height: 1.15;
  margin-bottom: 0.75rem;
  font-weight: 400;
  font-style: italic;
}

.post-header-meta {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

/* Post body typography */
.post > div[itemprop="articleBody"],
.post-body {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.post > div[itemprop="articleBody"] h2,
.post-body h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
  font-weight: 400;
}

.post > div[itemprop="articleBody"] h3,
.post-body h3 {
  font-size: 1.1875rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.post > div[itemprop="articleBody"] p,
.post-body p { margin-bottom: 1.25rem; }

.post > div[itemprop="articleBody"] ul,
.post > div[itemprop="articleBody"] ol,
.post-body ul,
.post-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.post > div[itemprop="articleBody"] li,
.post-body li { margin-bottom: 0.375rem; }

.post > div[itemprop="articleBody"] img,
.post-body img {
  border-radius: var(--radius-md);
  margin: 1.5rem auto;
  box-shadow: var(--shadow-md);
}

.post > div[itemprop="articleBody"] blockquote,
.post-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 0.5rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* centered image class from existing posts */
.centered,
img.centered {
  margin-left: auto;
  margin-right: auto;
}

/* --- Code --- */
code, pre {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

code {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

pre {
  background: #161b22;
  color: #e6edf3;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.5rem 0;
  line-height: 1.6;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 0.875rem;
}

/* Syntax highlighting is in syntax.css (GitHub Dark theme) */

/* --- Related posts --- */
.related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related h3 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.related-posts { list-style: none; }

.related-posts-item {
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--color-border);
}
.related-posts-item:last-child { border-bottom: none; }
.related-posts-item h4 { font-size: 0.9375rem; font-weight: 400; }
.related-posts-item h4 a { color: var(--color-text); text-decoration: none; }
.related-posts-item h4 a:hover { color: var(--color-accent); }
.other-post-date { color: var(--color-text-muted); font-size: 0.8125rem; margin-top: 0.2rem; }

/* --- Share buttons --- */
.share-page {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 0.625rem;
  align-items: center;
  flex-wrap: wrap;
}
.share-page { font-size: 0.8125rem; color: var(--color-text-muted); }
.share-page a {
  font-size: 0.8125rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all 0.15s;
}
.share-page a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* --- Static pages --- */
.page { padding: 2rem 0; }

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  font-weight: 400;
  font-style: italic;
}

.page .content,
.page-content {
  font-size: 1.0625rem;
  line-height: 1.8;
}
.page .content p,
.page-content p { margin-bottom: 1.25rem; }
.page .content h2,
.page-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
  font-weight: 400;
}
.page .content h3,
.page-content h3 {
  font-size: 1.125rem;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}
.page .content ul,
.page .content ol,
.page-content ul,
.page-content ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
.page .content li,
.page-content li { margin-bottom: 0.375rem; }
.page .content a,
.page-content a { text-decoration: underline; text-underline-offset: 2px; }

/* About page profile image */
.profile-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border);
  margin-bottom: 1.5rem;
  float: left;
  margin-right: 1.5rem;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.75rem 0;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-social {
  display: flex;
  gap: 0;
  list-style: none;
  flex-wrap: wrap;
}

.footer-social a {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-social a:hover { color: var(--color-text); text-decoration: none; }

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0 0;
}

.pagination-item {
  font-size: 0.8125rem;
  color: var(--color-accent);
  padding: 0.4rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color 0.15s;
}
.pagination-item:hover { border-color: var(--color-accent); text-decoration: none; }

span.pagination-item {
  color: var(--color-text-muted);
  pointer-events: none;
  cursor: default;
}

/* --- Tables --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}
th {
  text-align: left;
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--color-border);
  color: var(--color-text-muted);
}
td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}
tr:last-child td { border-bottom: none; }

/* --- Writing archive --- */
.writing-archive .tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 2.5rem;
}

.tag-filter-btn {
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  transition: all 0.15s;
}

.tag-filter-btn:hover,
.tag-filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.archive-year-group { margin-bottom: 2.5rem; }

.archive-year {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.archive-count {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* --- Projects page --- */
.project-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.project-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.project-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.625rem;
  flex-wrap: wrap;
}

.project-name {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
}

.project-name a {
  color: var(--color-text);
  text-decoration: none;
}

.project-name a:hover { color: var(--color-accent); }

.project-status {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.project-status--active {
  background: var(--color-accent-bg);
  color: var(--color-accent);
}

.project-status--maintained {
  background: rgba(45, 160, 100, 0.1);
  color: #2da064;
}

.project-status--reference {
  background: var(--color-warm-bg);
  color: var(--color-accent-warm);
}

.project-description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 0.875rem;
  line-height: 1.65;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.875rem;
}

.project-link {
  font-size: 0.8125rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.project-link:hover { text-decoration: underline; }

/* --- Now page --- */
.now-page { padding: 2rem 0; }

.now-header { margin-bottom: 2.5rem; }

.now-header .page-title { margin-bottom: 0.75rem; }

.now-meta {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.now-updated {
  display: inline-block;
  margin-left: 0.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.now-grid {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.now-card {
  display: flex;
  gap: 1.25rem;
  background: var(--color-surface);
  padding: 1.5rem;
  align-items: flex-start;
}

.now-card-icon {
  font-size: 1.375rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.1rem;
  width: 2rem;
  text-align: center;
}

.now-card-body { flex: 1; min-width: 0; }

.now-card-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.625rem;
}

.now-card-body p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 0.625rem;
}

.now-card-body p:last-child { margin-bottom: 0; }

.now-footer {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* --- Series navigation --- */
.series-nav {
  margin-top: 3rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

.series-nav .section-label {
  margin-bottom: 0.875rem;
}

.series-nav ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.series-nav li {
  font-size: 0.9375rem;
  padding: 0.25rem 0;
  color: var(--color-text-muted);
}

.series-nav li a {
  color: var(--color-accent);
  text-decoration: none;
}
.series-nav li a:hover { text-decoration: underline; text-underline-offset: 2px; }

.series-nav .series-current {
  color: var(--color-text);
  font-weight: 500;
}
.series-nav .series-current::before {
  content: "→ ";
  color: var(--color-accent);
}

/* --- 404 page --- */
.not-found-page .page-title {
  font-size: clamp(3rem, 10vw, 6rem);
  color: var(--color-border);
  margin-bottom: 0.5rem;
}

.not-found-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-style: italic;
  margin-bottom: 1rem;
}