/* ── Theme tokens ── */
[data-theme="dark"] {
  --bg:           #0c0e15;
  --bg2:          #111520;
  --panel:        #111827;
  --panel-soft:   #0d1525;
  --line:         #1e2840;
  --line-hover:   #2a4060;
  --text:         #f0f4ff;
  --text-muted:   #6b7a96;
  --text-dim:     #3e5070;
  --accent:       #63b3ed;
  --accent-glow:  rgba(99, 179, 237, 0.10);
  --tag-bg:       rgba(99, 179, 237, 0.08);
  --tag-border:   rgba(99, 179, 237, 0.20);
  --tag-text:     #63b3ed;
  --hero-grad:    linear-gradient(135deg, #111a2e, #0d1525);
  --card-grad:    linear-gradient(135deg, #131e30, #101825);
  --body-grad:    linear-gradient(160deg, #0c0e15, #111520);
  --header-bg:    rgba(11, 13, 18, 0.92);
  --toggle-bg:    #1e2840;
  --toggle-icon:  #8896aa;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg:           #f5f2eb;
  --bg2:          #ede9df;
  --panel:        #ffffff;
  --panel-soft:   #faf8f4;
  --line:         #e0ddd4;
  --line-hover:   #b89a6a;
  --text:         #111111;
  --text-muted:   #666666;
  --text-dim:     #aaaaaa;
  --accent:       #b86e1a;
  --accent-glow:  rgba(184, 110, 26, 0.08);
  --tag-bg:       rgba(184, 110, 26, 0.07);
  --tag-border:   rgba(184, 110, 26, 0.25);
  --tag-text:     #a05c10;
  --hero-grad:    linear-gradient(135deg, #ffffff, #faf8f4);
  --card-grad:    linear-gradient(135deg, #ffffff, #faf8f4);
  --body-grad:    #f5f2eb;
  --header-bg:    rgba(245, 242, 235, 0.95);
  --toggle-bg:    #e0ddd4;
  --toggle-icon:  #888888;
  color-scheme: light;
}

/* ── Shared theme-switch transition ── */
:root {
  --transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

/* ── Reset ── */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--body-grad);
  color: var(--text);
  line-height: 1.6;
  transition: var(--transition);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

/* ── Layout ── */
.container {
  width: min(calc(100% - 2rem), 1120px);
  margin: 0 auto;
}

/* ── Header ── */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-block;
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text);
  transition: color 0.35s ease;
}

.brand-logo {
  display: block;
  height: 60px;
  width: auto;
  border-radius: 16px;
}

[data-theme="dark"]  .brand-logo-light { display: none; }
[data-theme="light"] .brand-logo-dark  { display: none; }

.tagline {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
  transition: color 0.35s ease;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ── Theme toggle ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--toggle-bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--toggle-icon);
  user-select: none;
  transition: background 0.35s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Show correct label per theme */
[data-theme="dark"]  .toggle-label-light { display: inline; }
[data-theme="dark"]  .toggle-label-dark  { display: none; }
[data-theme="light"] .toggle-label-light { display: none; }
[data-theme="light"] .toggle-label-dark  { display: inline; }

/* ── Main ── */
main.container {
  padding: 2rem 0 4rem;
}

/* ── Eyebrow ── */
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.75rem;
  transition: color 0.35s ease;
}

/* ── Hero grid ── */
.hero-grid {
  display: grid;
  grid-template-columns: 5fr 3fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

/* ── Hero card ── */
.hero-card {
  background: var(--hero-grad);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease,
    background 0.35s ease;
}

/* Radial glow — dark theme only, always present */
[data-theme="dark"] .hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.hero-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-hover);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--line-hover);
}
[data-theme="dark"] .hero-card:hover {
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.55),
    0 0 0 1px var(--line-hover),
    0 0 40px var(--accent-glow);
}
[data-theme="light"] .hero-card {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
}
[data-theme="light"] .hero-card:hover {
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.13);
}

.hero-card h1 {
  margin: 0 0 0.75rem;
  line-height: 1.08;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text);
  transition: color 0.35s ease;
}

.hero-summary {
  color: var(--text-muted);
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.55;
  transition: color 0.35s ease;
}

/* ── Tags panel (hero-side) ── */
.hero-side {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  transition: var(--transition);
}
[data-theme="light"] .hero-side {
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.05);
}

.hero-side h2 {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.85rem;
  transition: color 0.35s ease;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.category-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.32rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  transition:
    border-color 0.18s ease,
    color 0.35s ease;
}

.category-link:hover {
  border-color: var(--line-hover);
  color: var(--accent);
}

.category-name {
  min-width: 0;
}

.category-link:last-child {
  border-bottom: 0;
}

.category-count {
  font-size: 0.84rem;
  font-weight: 650;
  color: var(--text-muted);
  letter-spacing: 0;
  white-space: nowrap;
}

.tag-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-pill {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  color: var(--tag-text);
  border-radius: 999px;
  padding: 0.32rem 0.8rem;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.35s ease,
    border-color 0.35s ease,
    color 0.35s ease;
}
.tag-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  color: var(--tag-text);
}
[data-theme="dark"] .tag-pill:hover {
  box-shadow: 0 4px 14px rgba(99, 179, 237, 0.2);
}
[data-theme="light"] .tag-pill:hover {
  box-shadow: 0 4px 14px rgba(184, 110, 26, 0.15);
}

/* ── Section heading ── */
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.section-heading h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 0.35s ease;
}

/* ── Story grid ── */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.story-list {
  display: grid;
  gap: 1rem;
}

/* ── Story card ── */
.story-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    background 0.35s ease;
}
[data-theme="light"] .story-card {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

/* Dark glow overlay — fades in on hover */
[data-theme="dark"] .story-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, var(--accent-glow) 0%, transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.story-card:hover {
  transform: translateY(-4px) scale(1.01);
  border-color: var(--line-hover);
}
[data-theme="dark"] .story-card:hover {
  background: var(--card-grad);
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.5),
    0 0 0 1px var(--line-hover);
}
[data-theme="dark"] .story-card:hover::after {
  opacity: 1;
}
[data-theme="light"] .story-card:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.10);
}

.story-title,
.story-title a,
.story-card h2,
.story-card h3 {
  margin: 0.4rem 0 0.6rem;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 0.35s ease;
}
.story-card h2 { font-size: 1.3rem; }
.story-card h3 { font-size: 1.1rem; }

.story-summary {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  transition: color 0.35s ease;
}

.story-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.35s ease;
}

/* ── Whole-card click overlay ── */
.story-card-link::after,
.hero-card .story-card-link::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
/* Ensure real links inside the card stay above the overlay */
.story-card .story-link,
.story-card .tag-pill {
  position: relative;
  z-index: 2;
}

/* ── Archive CTA below grid ── */
.archive-cta {
  text-align: center;
  margin-top: 1.5rem;
}
.archive-cta a {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
  transition: color 0.35s ease;
}

/* ── Links ── */
.archive-link,
.story-link,
.article-nav a,
.pagination a,
.section-heading a {
  color: var(--accent);
  font-weight: 600;
  transition: color 0.35s ease;
}

/* ── Page header ── */
.page-header {
  margin-bottom: 1.5rem;
}
.page-header h1 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  line-height: 1.08;
  color: var(--text);
  transition: color 0.35s ease;
}
.page-header p {
  color: var(--text-muted);
  transition: color 0.35s ease;
}

/* ── Tag cloud (taxonomy list page) ── */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0;
}
.tag-cloud .tag-pill {
  font-size: 0.82rem;
  padding: 0.4rem 1rem;
}
.tag-count {
  font-weight: 400;
  opacity: 0.7;
}

/* ── Archive ── */
.archive-breadcrumbs {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.archive-breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.archive-breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.archive-breadcrumbs li + li::before {
  content: "/";
  color: var(--text-dim);
  margin: 0 0.35rem 0 0.1rem;
}

.archive-breadcrumbs a {
  color: var(--text-muted);
  transition: color 0.35s ease;
}

.archive-breadcrumbs a:hover {
  color: var(--accent);
}

.archive-breadcrumbs [aria-current="page"] {
  color: var(--text);
}

.archive-context-nav {
  margin: 0 0 1.25rem;
}

.archive-month-pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}

.month-pager-newer { text-align: left; }
.month-pager-up { text-align: center; }
.month-pager-older { text-align: right; }

.archive-month-pager a {
  color: var(--accent);
  font-weight: 600;
  transition: color 0.35s ease;
}

.month-pager-empty {
  display: flex;
  min-height: 1.2rem;
}

.archive-groups { margin: 2rem 0; }
.archive-groups h2 { margin-bottom: 1rem; font-weight: 900; }

.archive-year {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.archive-year h3 { margin-top: 0; font-weight: 900; letter-spacing: -0.02em; }

.archive-months {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}
.archive-months li {
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  transition: background 0.35s ease, border-color 0.35s ease;
}

/* ── Headline list (used in older layouts if any) ── */
.headline-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.headline-list li {
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  transition: border-color 0.35s ease;
}
.headline-list li:first-child { border-top: 0; padding-top: 0; }
.headline-list a { display: block; font-weight: 700; margin-bottom: 0.25rem; }
.headline-list time { color: var(--text-dim); font-size: 0.82rem; }

/* ── Single article ── */
.single-article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  max-width: 860px;
  margin: 0 auto;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.article-tags {
  margin: 0.75rem 0;
}

.article-header h1 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  line-height: 1.08;
  color: var(--text);
  transition: color 0.35s ease;
}
.article-body { font-size: 1.05rem; }
.article-body p,
.article-body ul,
.article-body ol,
.article-body pre,
.article-body blockquote { margin: 1rem 0; }

.article-body code,
.article-body pre {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.article-body code { padding: 0.15rem 0.35rem; }
.article-body pre { padding: 1rem; overflow-x: auto; }

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
  transition: color 0.35s ease;
}

.article-nav {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  transition: border-color 0.35s ease;
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
}
.pagination span { color: var(--text-muted); font-size: 0.9rem; transition: color 0.35s ease; }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--line);
  transition: border-color 0.35s ease;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: var(--transition);
}

/* ── Responsive ── */
@media (max-width: 980px) {
  .hero-grid,
  .story-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner,
  .footer-inner,
  .section-heading,
  .pagination {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav,
  .archive-months {
    flex-wrap: wrap;
  }
  .archive-month-pager {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .month-pager-newer,
  .month-pager-up,
  .month-pager-older {
    text-align: left;
  }
  .month-pager-empty {
    display: none;
  }
  main.container {
    padding-top: 1.25rem;
  }
}