/* shared.css — Sixth Schedule Archive */
:root {
  --bg: #F7F4EF;
  --bg2: #EDE9E2;
  --surface: #FFFFFF;
  --border: #D8D2C7;
  --text: #1A1614;
  --text2: #5C5549;
  --text3: #8C8479;
  --accent: #8B1A1A;
  --accent2: #C45C2A;
  --accent3: #2A5C8B;
  --gold: #B8860B;
  --green: #2A6B4A;
  --shadow: rgba(26,22,20,0.10);
  --shadow-lg: rgba(26,22,20,0.18);
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="dark"] {
  --bg: #111010;
  --bg2: #1A1917;
  --surface: #221F1E;
  --border: #3A3632;
  --text: #EDE9E2;
  --text2: #B0A898;
  --text3: #7A7269;
  --shadow: rgba(0,0,0,0.4);
  --shadow-lg: rgba(0,0,0,0.6);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Source Serif 4', Georgia, serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
  opacity: 0;
  animation: pageIn 0.45s 0.05s forwards;
}
@keyframes pageIn { to { opacity: 1; } }

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  padding: 0 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
  transition: background var(--transition);
}
.nav-brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text);
}
.nav-brand-icon {
  width: 36px; height: 36px;
  background: var(--accent); border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-weight: 900; font-size: 18px;
  color: white; flex-shrink: 0;
}
.nav-brand-text { font-family: 'Playfair Display', serif; font-weight: 600; font-size: 1rem; }
.nav-brand-sub { font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; color: var(--text3); letter-spacing: 0.08em; text-transform: uppercase; }
.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.nav-links { display: flex; gap: 0.25rem; }
.nav-link {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  color: var(--text2); text-decoration: none;
  padding: 6px 12px; border-radius: 4px;
  letter-spacing: 0.04em; text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover { background: var(--bg2); color: var(--text); }
.nav-link.active { background: var(--accent); color: white; }
.theme-toggle {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; background: none; border: 1px solid var(--border);
  border-radius: 20px; padding: 5px 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  color: var(--text2); transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.toggle-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--gold); transition: background var(--transition); }
[data-theme="dark"] .toggle-dot { background: var(--text3); }

/* BREADCRUMB */
.breadcrumb {
  background: var(--bg2); border-bottom: 1px solid var(--border);
  padding: 0.65rem 2.5rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.68rem;
  color: var(--text3); display: flex; align-items: center; gap: 6px;
  transition: background var(--transition);
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* PAGE HEADER */
.page-header {
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 3.5rem 2.5rem 3rem;
  position: relative; overflow: hidden;
}
.page-header-inner { max-width: 1100px; margin: 0 auto; }
.page-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border: 1px solid currentColor;
  padding: 4px 12px; border-radius: 2px; margin-bottom: 1rem;
}
.page-h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 900; font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.02em; line-height: 1.05; max-width: 700px;
  margin-bottom: 0.75rem;
}
.page-desc { font-size: 1rem; color: var(--text2); max-width: 560px; font-weight: 300; }

/* LAYOUT */
.page-layout {
  max-width: 1100px; margin: 0 auto; padding: 3rem 2.5rem;
  display: grid; grid-template-columns: 240px 1fr; gap: 3rem;
}
.page-full { max-width: 1100px; margin: 0 auto; padding: 3rem 2.5rem; }

/* SIDEBAR */
.sidebar { position: sticky; top: 80px; align-self: start; }
.sidebar-title {
  font-family: 'JetBrains Mono', monospace; font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3);
  margin-bottom: 0.75rem; padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-nav { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  display: block; padding: 7px 10px; border-radius: 4px;
  color: var(--text2); text-decoration: none; font-size: 0.87rem;
  transition: background var(--transition), color var(--transition);
  border-left: 2px solid transparent;
}
.sidebar-nav a:hover { background: var(--bg2); color: var(--text); border-left-color: var(--border); }
.sidebar-nav a.active { background: rgba(139,26,26,0.08); color: var(--accent); border-left-color: var(--accent); }
.sidebar-section { margin-top: 1.5rem; }

/* SECTION */
.content-section { margin-bottom: 3rem; }
.section-h2 {
  font-family: 'Playfair Display', serif; font-weight: 700;
  font-size: 1.6rem; margin-bottom: 1rem; letter-spacing: -0.01em;
  padding-bottom: 0.75rem; border-bottom: 2px solid var(--accent);
}
.section-h3 {
  font-family: 'Playfair Display', serif; font-weight: 600;
  font-size: 1.15rem; margin: 1.5rem 0 0.75rem;
}
.prose { font-size: 0.95rem; color: var(--text2); line-height: 1.85; }
.prose + .prose { margin-top: 1rem; }

/* CARDS */
.case-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; margin-bottom: 1rem; overflow: hidden;
  transition: box-shadow var(--transition);
}
.case-card:hover { box-shadow: 0 4px 20px var(--shadow); }
.case-card-header {
  padding: 1.25rem 1.5rem; cursor: pointer;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
}
.case-card-body { padding: 0 1.5rem 1.5rem; display: none; }
.case-card-body.open { display: block; }
.case-name { font-family: 'Playfair Display', serif; font-weight: 600; font-size: 1rem; margin-bottom: 3px; }
.case-citation {
  font-family: 'JetBrains Mono', monospace; font-size: 0.68rem;
  color: var(--accent); letter-spacing: 0.03em;
}
.case-toggle {
  font-size: 0.8rem; color: var(--text3);
  background: var(--bg2); border: none; cursor: pointer;
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background var(--transition), transform var(--transition);
}
.case-toggle.open { transform: rotate(180deg); background: var(--accent); color: white; }
.case-meta-row {
  display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.75rem;
  padding-top: 0.75rem; border-top: 1px solid var(--border);
}
.case-meta-item { display: flex; flex-direction: column; gap: 2px; }
.case-meta-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.6rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text3);
}
.case-meta-val { font-size: 0.85rem; color: var(--text); }
.case-excerpt {
  background: var(--bg2); border-left: 3px solid var(--accent);
  padding: 1rem 1.25rem; margin-top: 0.75rem; border-radius: 0 4px 4px 0;
  font-style: italic; font-size: 0.9rem; color: var(--text2); line-height: 1.7;
  transition: background var(--transition);
}

/* TAG BADGES */
.badge {
  display: inline-flex; align-items: center;
  font-family: 'JetBrains Mono', monospace; font-size: 0.62rem;
  padding: 3px 8px; border-radius: 3px; letter-spacing: 0.04em;
  font-weight: 400;
}
.badge-red { background: rgba(139,26,26,0.1); color: var(--accent); }
.badge-blue { background: rgba(42,92,139,0.1); color: var(--accent3); }
.badge-green { background: rgba(42,107,74,0.1); color: var(--green); }
.badge-gold { background: rgba(184,134,11,0.1); color: var(--gold); }

/* TIMELINE */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 6px; top: 6px;
  bottom: 6px; width: 2px; background: var(--border);
}
.tl-item { position: relative; padding: 0 0 2rem 1.5rem; }
.tl-dot {
  position: absolute; left: -1.9rem; top: 5px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--accent);
  transition: background var(--transition);
}
.tl-item:hover .tl-dot { background: var(--accent); }
.tl-year {
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  color: var(--accent); letter-spacing: 0.06em; margin-bottom: 4px;
}
.tl-title {
  font-family: 'Playfair Display', serif; font-weight: 700;
  font-size: 1.05rem; margin-bottom: 0.4rem;
}
.tl-desc { font-size: 0.88rem; color: var(--text2); line-height: 1.7; }

/* ACCORDION */
.accordion { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; margin-bottom: 1rem; }
.accordion-head {
  padding: 1.1rem 1.5rem; cursor: pointer; display: flex;
  align-items: center; justify-content: space-between;
  background: var(--surface); transition: background var(--transition);
}
.accordion-head:hover { background: var(--bg2); }
.accordion-title { font-family: 'Playfair Display', serif; font-weight: 600; font-size: 1rem; }
.accordion-icon { color: var(--text3); transition: transform var(--transition); font-size: 0.8rem; }
.accordion-icon.open { transform: rotate(180deg); }
.accordion-body { padding: 0 1.5rem 1.25rem; display: none; background: var(--surface); }
.accordion-body.open { display: block; }

/* GRID ARTICLES */
.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 1.25rem; }
.article-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.article-card:hover { transform: translateY(-3px); box-shadow: 0 8px 30px var(--shadow); }
.article-title { font-family: 'Playfair Display', serif; font-weight: 600; font-size: 1rem; line-height: 1.35; }
.article-meta { font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; color: var(--text3); letter-spacing: 0.04em; }
.article-abstract { font-size: 0.85rem; color: var(--text2); line-height: 1.65; flex: 1; }
.article-link { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--accent); letter-spacing: 0.04em; }

/* FILTER BAR */
.filter-bar {
  display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2rem;
  padding: 1rem 1.25rem; background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px;
}
.filter-btn {
  font-family: 'JetBrains Mono', monospace; font-size: 0.68rem;
  padding: 5px 12px; border-radius: 3px; border: 1px solid var(--border);
  background: none; cursor: pointer; color: var(--text2);
  letter-spacing: 0.04em; transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

/* SEARCH */
.search-bar {
  display: flex; gap: 0.5rem; margin-bottom: 1.5rem;
}
.search-input {
  flex: 1; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 4px; background: var(--surface); color: var(--text);
  font-family: 'Source Serif 4', serif; font-size: 0.9rem;
  transition: border-color var(--transition);
}
.search-input:focus { outline: none; border-color: var(--accent); }
.search-btn {
  padding: 10px 18px; background: var(--accent); color: white;
  border: none; border-radius: 4px; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  letter-spacing: 0.04em; transition: opacity var(--transition);
}
.search-btn:hover { opacity: 0.85; }

/* FOOTER */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 3rem 2.5rem 2rem; margin-top: 4rem;
  transition: background var(--transition);
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.5rem; border-top: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace; font-size: 0.65rem;
  color: var(--text3); letter-spacing: 0.04em;
}
.page-overlay {
  position: fixed; inset: 0; background: var(--accent);
  z-index: 9999; transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.4s cubic-bezier(0.76,0,0.24,1);
  pointer-events: none;
}
.page-overlay.leaving { transform: scaleY(1); }

@media(max-width:768px){
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .nav-links { display: none; }
  .page-header { padding: 2rem 1.5rem; }
  .page-layout, .page-full { padding: 2rem 1.5rem; }
}