/* Marxist Portal - Custom Styles */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@400;500;600&display=swap');

:root {
  --color-bg: #F7F3EB;
  --color-bg-card: #FFFFFF;
  --color-bg-sidebar: #2C2C2C;
  --color-accent: #B22234;
  --color-accent-dark: #8B1A29;
  --color-accent-gold: #C4A35A;
  --color-text: #1A1A1A;
  --color-text-muted: #5A5A5A;
  --color-text-light: #F0EDE6;
  --color-border: #D4CFC5;
  --color-tag-bg: #EDEBE5;
  --color-tag-text: #4A4A4A;
  --font-serif: 'Crimson Text', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
}

/* Navigation */
.nav-bar {
  background: var(--color-bg-sidebar);
  border-bottom: 3px solid var(--color-accent);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text-light);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 1;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 2rem 3rem;
  background: linear-gradient(180deg, var(--color-bg-sidebar) 0%, #3A3A3A 100%);
  color: var(--color-text-light);
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 0.75rem;
}

.hero .subtitle {
  font-size: 1.15rem;
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-style: italic;
}

/* Section containers */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent-dark);
}

.section-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  font-family: var(--font-serif);
  font-style: italic;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem 1.15rem;
  transition: box-shadow 0.2s, transform 0.15s;
  cursor: pointer;
  min-height: 200px;
  max-height: 260px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.card.expanded {
  grid-column: 1 / -1;
  max-height: none;
  min-height: auto;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.card .meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.card .body-preview {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--color-text-muted);
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
}

.card.expanded .body-preview {
  display: none;
}

.card .body-full {
  display: none;
  margin-top: 0.75rem;
  font-size: 0.92rem;
  line-height: 1.6;
  border-top: 1px dashed var(--color-border);
  padding-top: 0.75rem;
}

.card.expanded .body-full {
  display: block;
}

.card .tags {
  margin-top: 0.5rem;
}

.card.expanded .tags {
  margin-top: 0.75rem;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.tag {
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.tag:hover {
  background: var(--color-accent);
  color: white;
}

.tradition-badge {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Search & Filters */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 250px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: white;
}

.search-box:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(178,34,52,0.15);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chips.collapsed {
  max-height: 2.4rem;
  overflow: hidden;
}

.filter-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0.35rem 0.8rem;
  font-size: 0.82rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.filter-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.chip {
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.82rem;
  cursor: pointer;
  background: white;
  font-weight: 500;
  transition: all 0.15s;
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.chip.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 2rem;
}

.tab {
  padding: 0.6rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.15s;
}

.tab:hover {
  color: var(--color-text);
}

.tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Tour sections */
.tour-section {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.tour-section:last-child {
  border-bottom: none;
}

.tour-section h2 {
  font-size: 1.6rem;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
}

.tour-section .period {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.tour-section p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

.tour-section .cross-links {
  margin-top: 1rem;
}

.cross-link {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  margin-right: 1rem;
  font-size: 0.9rem;
}

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

/* Who's Who timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.35rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

/* Landing page nav cards */
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.nav-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  text-decoration: none;
  color: var(--color-text-light);
  transition: all 0.2s;
}

.nav-card:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-3px);
}

.nav-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.nav-card p {
  font-size: 0.9rem;
  opacity: 0.75;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-bar {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .container {
    padding: 1.5rem 1rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .controls {
    flex-direction: column;
  }

  .search-box {
    min-width: 100%;
  }
}

/* Tradition perspective panels (analyses page) */
.tradition-panels {
  margin-top: 1rem;
}

.tradition-panel {
  border-left: 4px solid;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  border-radius: 0 4px 4px 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.tradition-panel .tradition-label {
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.tradition-panel.classical {
  border-color: #B22234;
  background: #FDF0F0;
}
.tradition-panel.classical .tradition-label { color: #B22234; }

.tradition-panel.value-form {
  border-color: #2E5090;
  background: #F0F4FD;
}
.tradition-panel.value-form .tradition-label { color: #2E5090; }

.tradition-panel.harvey {
  border-color: #2E8B57;
  background: #F0FDF4;
}
.tradition-panel.harvey .tradition-label { color: #2E8B57; }

.tradition-panel.structuralist {
  border-color: #8B5E3C;
  background: #FDF6F0;
}
.tradition-panel.structuralist .tradition-label { color: #8B5E3C; }

.region-badge {
  display: inline-block;
  background: #3A3A3A;
  color: white;
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 0.5rem;
}

.analysis-links {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.analysis-links a {
  color: var(--color-accent);
  text-decoration: none;
  margin-right: 0.75rem;
}

.analysis-links a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
}