/* ==========================================================================
   QUELLENVERZEICHNIS: Der Untergang der Weimarer Demokratie (1929–1933)
   Archival Newspaper + Dark Obsidian & Gold Theme (matched to PPTX)
   ========================================================================== */

:root {
  /* Core Palette - Dark Archival Mode (Default) */
  --bg-void: #0d0d10;
  --bg-surface: #151519;
  --bg-elevated: #1d1c22;
  --bg-card: rgba(25, 24, 30, 0.88);
  --bg-card-hover: rgba(34, 32, 40, 0.96);

  --ink-primary: #f3ede0;
  --ink-secondary: #bcb3a2;
  --ink-muted: #8b8375;

  /* Presentation Signature Accents */
  --crimson: #d92626;
  --crimson-soft: rgba(217, 38, 38, 0.16);
  --gold: #d4a853;
  --gold-soft: rgba(212, 168, 83, 0.16);
  --teal: #1b6b73;
  --teal-deep: #043542;
  --paper: #e8deca;
  --paper-ink: #1a1815;

  /* Institution Badge Colors */
  --badge-dhm: #d4a853;
  --badge-bundesarchiv: #5a9be6;
  --badge-bundestag: #2db8a5;
  --badge-bpb: #e6833c;
  --badge-media: #e54848;
  --badge-reichstag: #c9bfae;

  /* Borders & Shadows */
  --border-subtle: rgba(232, 222, 202, 0.11);
  --border-strong: rgba(212, 168, 83, 0.32);
  --shadow-card: 0 14px 36px rgba(0, 0, 0, 0.42);
  --shadow-glow: 0 0 28px rgba(212, 168, 83, 0.14);

  /* Typography */
  --font-fraktur: "UnifrakturMaguntia", "Georgia", serif;
  --font-display: "Oswald", "Impact", "Arial Narrow", sans-serif;
  --font-serif: "Newsreader", "Georgia", serif;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Optional "Tagesblatt-Hell" Theme (mirrors Slides 11-17 archival grid paper) */
html[data-theme="light"] {
  --bg-void: #f5f1e8;
  --bg-surface: #ece6d8;
  --bg-elevated: #ffffff;
  --bg-card: rgba(255, 253, 248, 0.92);
  --bg-card-hover: #ffffff;

  --ink-primary: #1a1816;
  --ink-secondary: #4a453e;
  --ink-muted: #6e675d;

  --border-subtle: rgba(26, 24, 22, 0.12);
  --border-strong: rgba(185, 28, 28, 0.32);
  --shadow-card: 0 10px 28px rgba(34, 28, 18, 0.08);
  --shadow-glow: 0 0 24px rgba(217, 38, 38, 0.08);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-void);
  color: var(--ink-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
}

html[data-theme="light"] body {
  background-image:
    linear-gradient(to right, rgba(26, 24, 22, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26, 24, 22, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  width: min(1220px, 100% - 2rem);
  margin-inline: auto;
}

@media (max-width: 480px) {
  .container {
    width: calc(100% - 1.25rem);
  }
}

/* ==========================================================================
   Sticky Top Bar & Scroll Progress
   ========================================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(13, 13, 16, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding-top: env(safe-area-inset-top);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--crimson) 0%, var(--gold) 65%, #f8e5b4 100%);
  box-shadow: 0 0 12px rgba(212, 168, 83, 0.55);
  pointer-events: none;
  z-index: 5;
  will-change: transform;
}

html[data-theme="light"] .topbar {
  background: rgba(245, 241, 232, 0.92);
}

.topbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem 1rem;
  min-height: 60px;
  padding-block: 0.35rem;
}

.brand-compact {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  min-width: 0;
}

.brand-stamp {
  background: linear-gradient(135deg, var(--crimson), #9f1818);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: clamp(0.88rem, 2.5vw, 1rem);
  white-space: nowrap;
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

@media (max-width: 520px) {
  .settings-btn-label {
    display: none;
  }
}

.topbar-links {
  order: 3;
  flex: 1 0 100%;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.25rem 0 0.15rem;
  border-top: 1px solid var(--border-subtle);
  -webkit-overflow-scrolling: touch;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-secondary);
}

.topbar-links::-webkit-scrollbar {
  display: none;
}

.topbar-links a {
  flex: 0 0 auto;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.03);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

html[data-theme="light"] .topbar-links a {
  background: rgba(0, 0, 0, 0.035);
}

.topbar-links a:hover {
  color: var(--gold);
  border-color: rgba(212, 168, 83, 0.35);
  background: var(--gold-soft);
}

@media (min-width: 920px) {
  .topbar-inner {
    flex-wrap: nowrap;
    padding-block: 0;
  }
  .topbar-actions {
    order: 3;
    margin-left: 0;
  }
  .topbar-links {
    order: 2;
    flex: 0 1 auto;
    gap: 1.25rem;
    border-top: none;
    padding: 0;
    overflow: visible;
    font-size: 0.88rem;
  }
  .topbar-links a {
    padding: 0.35rem 0;
    border-radius: 0;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent !important;
  }
  .topbar-links a:hover {
    border-bottom-color: var(--gold);
  }
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--crimson), #a91818);
  color: #fff;
  padding: 0.55rem 0.95rem;
  font-size: 0.86rem;
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 25%, rgba(255, 255, 255, 0.22) 50%, transparent 75%);
  transform: translateX(-115%);
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

.btn-primary:hover::after {
  transform: translateX(115%);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 6px 18px rgba(217, 38, 38, 0.28);
}

.btn-primary:active,
.btn-secondary:active,
.btn-ghost:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: var(--gold-soft);
  color: var(--gold);
  border-color: rgba(212, 168, 83, 0.35);
  padding: 0.52rem 0.9rem;
  font-size: 0.85rem;
}

html[data-theme="light"] .btn-secondary {
  color: #8c6212;
  background: rgba(212, 168, 83, 0.18);
  border-color: rgba(140, 98, 18, 0.35);
}

.btn-secondary:hover {
  background: rgba(212, 168, 83, 0.25);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-secondary);
  border-color: var(--border-subtle);
  padding: 0.5rem 0.85rem;
  font-size: 0.84rem;
}

.btn-ghost:hover {
  color: var(--ink-primary);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
}

html[data-theme="light"] .btn-ghost:hover {
  background: rgba(0, 0, 0, 0.04);
}

.btn-sm {
  padding: 0.44rem 0.8rem;
  font-size: 0.82rem;
}

.btn-xs {
  padding: 0.3rem 0.65rem;
  font-size: 0.76rem;
}

/* ==========================================================================
   Hero Section & "Weimarer Tageblatt" Newspaper Masthead
   ========================================================================== */
.hero {
  position: relative;
  padding: 2rem 0 2.75rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 15%, rgba(212, 168, 83, 0.14), transparent 46%),
    radial-gradient(circle at 84% 25%, rgba(217, 38, 38, 0.14), transparent 44%),
    radial-gradient(circle at 50% 90%, rgba(4, 53, 66, 0.28), transparent 55%);
  pointer-events: none;
}

.hero-backdrop::after {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    conic-gradient(from 180deg at 50% 45%, rgba(212, 168, 83, 0.06), transparent 35%, rgba(217, 38, 38, 0.06) 65%, transparent);
  animation: auraDrift 22s linear infinite;
  pointer-events: none;
}

@keyframes auraDrift {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.05); }
  100% { transform: rotate(360deg) scale(1); }
}

.newspaper-masthead {
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid #2b2620;
  border-radius: 6px;
  padding: 0.85rem 1.2rem;
  margin-bottom: 2rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  position: relative;
}

.masthead-top {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

@media (min-width: 720px) {
  .masthead-top {
    grid-template-columns: 1fr auto 1fr;
    text-align: left;
  }
}

.masthead-meta-left,
.masthead-meta-right {
  display: flex;
  flex-direction: column;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  line-height: 1.3;
  color: #363029;
}

@media (min-width: 720px) {
  .masthead-meta-right {
    text-align: right;
  }
}

.masthead-title {
  font-family: var(--font-fraktur);
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.05;
  color: #161412;
  text-align: center;
  letter-spacing: 0.01em;
}

.masthead-subbar {
  margin-top: 0.55rem;
  padding-top: 0.4rem;
  border-top: 2px solid #2b2620;
  border-bottom: 1px solid #2b2620;
  padding-bottom: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 600;
  color: #2b2620;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 960px;
  margin-inline: auto;
}

.hero-kicker {
  display: inline-block;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: var(--gold);
  margin: 0 0 0.75rem;
}

html[data-theme="light"] .hero-kicker {
  color: #8f6310;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 1.25rem;
  color: var(--ink-primary);
}

.headline-prefix {
  display: block;
  color: var(--crimson);
  font-size: 0.52em;
  letter-spacing: 0.14em;
  margin-bottom: 0.25rem;
}

.headline-years {
  color: var(--gold);
}

html[data-theme="light"] .headline-years {
  color: var(--crimson);
}

.guiding-question-box {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--crimson);
  border-radius: var(--radius-md);
  padding: 1rem 1.35rem;
  margin: 0 auto 1.5rem;
  max-width: 760px;
  text-align: left;
  box-shadow: var(--shadow-card);
}

.gq-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 0.25rem;
}

html[data-theme="light"] .gq-label {
  color: var(--crimson);
}

.gq-text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  font-weight: 600;
  color: var(--ink-primary);
}

.hero-stats-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.stat-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  font-size: 0.86rem;
}

.stat-pill strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--gold);
}

html[data-theme="light"] .stat-pill strong {
  color: var(--crimson);
}

.stat-pill span {
  color: var(--ink-secondary);
}

/* Quick-Jump 7 Chapter Pills */
.chapter-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}

.chapter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 0.48rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-secondary);
  transition: all var(--transition);
}

.chapter-pill .pill-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--crimson);
  background: var(--crimson-soft);
  padding: 0.1rem 0.42rem;
  border-radius: 999px;
}

.chapter-pill:hover {
  border-color: var(--gold);
  color: var(--ink-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   Chronological Milestone Scrubber & Filter Toolbar
   ========================================================================== */
.explorer-controls {
  padding: 2.25rem 0 1rem;
}

.milestone-panel,
.filter-bar {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-card);
}

.milestone-panel {
  margin-bottom: 1.25rem;
}

.panel-header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-eyebrow {
  margin: 0;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1rem;
  color: var(--gold);
}

html[data-theme="light"] .section-eyebrow {
  color: var(--crimson);
}

.section-subcopy {
  margin: 0.2rem 0 0;
  font-size: 0.88rem;
  color: var(--ink-secondary);
}

.milestone-track {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.milestone-btn {
  flex: 0 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--ink-secondary);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  text-align: left;
  transition: all var(--transition);
  min-width: 128px;
}

.milestone-btn .ms-date {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

html[data-theme="light"] .milestone-btn .ms-date {
  color: var(--crimson);
}

.milestone-btn .ms-title {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 0.12rem;
}

.milestone-btn:hover,
.milestone-btn.active {
  border-color: var(--crimson);
  background: var(--crimson-soft);
  color: var(--ink-primary);
}

.milestone-btn.active {
  box-shadow: 0 0 0 1px rgba(217, 38, 38, 0.35), 0 8px 20px rgba(217, 38, 38, 0.16);
}

.milestone-detail-card {
  margin-top: 0.85rem;
  padding: 0.9rem 1.05rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
}

.ms-detail-copy {
  flex: 1 1 320px;
}

.ms-detail-copy h3 {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  color: var(--ink-primary);
}

.ms-detail-copy p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-secondary);
}

/* Search & Filter Bar */
.search-wrap {
  position: relative;
  margin-bottom: 1rem;
}

.search-icon {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--ink-muted);
  pointer-events: none;
}

#sourceSearch {
  width: 100%;
  padding: 0.78rem 2.6rem 0.78rem 2.7rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--ink-primary);
  font-family: inherit;
  font-size: 0.94rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

#sourceSearch:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.18);
}

.clear-search {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--ink-muted);
  font-size: 1.35rem;
  line-height: 1;
  padding: 0.25rem 0.45rem;
}

.filter-controls-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
}

.filter-group-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
}

.filter-chips,
.category-chips,
.type-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-chip,
.cat-chip,
.type-chip {
  background: var(--bg-surface);
  color: var(--ink-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 0.36rem 0.78rem;
  font-size: 0.79rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition);
}

.chip-count {
  font-size: 0.7rem;
  opacity: 0.76;
  font-weight: 600;
}

.filter-chip:hover,
.cat-chip:hover,
.type-chip:hover {
  border-color: var(--gold);
  color: var(--ink-primary);
}

.filter-chip.active {
  background: var(--gold);
  color: #14120e;
  border-color: var(--gold);
  font-weight: 700;
}

.cat-chip.active {
  background: var(--crimson);
  color: #fff;
  border-color: var(--crimson);
  font-weight: 600;
}

.type-chip.active {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
  font-weight: 600;
}

.advanced-filters-grid {
  margin-top: 0.95rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

@media (min-width: 960px) {
  .advanced-filters-grid {
    grid-template-columns: 1.35fr 1fr;
    align-items: end;
  }
}

.filter-selects {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

@media (min-width: 580px) {
  .filter-selects {
    grid-template-columns: repeat(3, 1fr);
  }
}

.select-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.select-wrap label {
  font-size: 0.71rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.select-wrap select {
  width: 100%;
  padding: 0.48rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--ink-primary);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}

.select-wrap select:focus {
  outline: none;
  border-color: var(--gold);
}

.active-filters-bar {
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.active-filters-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.active-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
}

.active-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid rgba(212, 168, 83, 0.35);
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
}

html[data-theme="light"] .active-pill {
  color: #7a5209;
}

.active-pill button {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0 0.1rem;
}

.crossref-pill {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #82b8f8;
  background: rgba(90, 155, 230, 0.14);
  border: 1px solid rgba(90, 155, 230, 0.3);
  padding: 0.12rem 0.45rem;
  border-radius: 5px;
  margin-left: 0.3rem;
  vertical-align: middle;
}

html[data-theme="light"] .crossref-pill {
  color: #195399;
}

mark.search-hl {
  background: rgba(212, 168, 83, 0.32);
  color: inherit;
  padding: 0 0.14rem;
  border-radius: 3px;
}

.filter-meta-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.result-counter {
  font-size: 0.82rem;
  color: var(--ink-muted);
  font-weight: 500;
}

/* ==========================================================================
   7 Thematic Source Chapters
   ========================================================================== */
.sources-container {
  padding: 1.25rem 0 2.5rem;
}

.chapter-section {
  margin-bottom: 2.75rem;
}

.chapter-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--border-subtle);
}

.chapter-number {
  font-family: var(--font-display);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--crimson);
  display: block;
}

.chapter-title {
  margin: 0.15rem 0 0.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-primary);
}

.chapter-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-secondary);
  max-width: 760px;
}

.chapter-slide-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(212, 168, 83, 0.3);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}

html[data-theme="light"] .chapter-slide-badge {
  color: #7a540d;
}

.sources-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 720px) {
  .sources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1080px) {
  .sources-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Source Card + Cursor Spotlight & Stagger Entrance */
.source-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.9rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.source-card::before,
.data-card::before,
.matcher-stage::before,
.video-card::before,
.broadcast-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(212, 168, 83, 0.11), transparent 55%);
  opacity: 0;
  transition: opacity 280ms ease;
  pointer-events: none;
  z-index: 0;
}

.source-card:hover::before,
.data-card:hover::before,
.matcher-stage:hover::before,
.video-card:hover::before,
.broadcast-card:hover::before {
  opacity: 1;
}

.source-card > *,
.data-card > *,
.matcher-stage > * {
  position: relative;
  z-index: 1;
}

.source-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), 0 0 26px rgba(212, 168, 83, 0.1);
}

.card-enter {
  animation: cardSlideIn 380ms cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--enter-delay, 0ms);
}

@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.source-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
}

.inst-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.58rem;
  border-radius: 6px;
}

.badge-dhm {
  background: rgba(212, 168, 83, 0.16);
  color: #e6be6a;
  border: 1px solid rgba(212, 168, 83, 0.35);
}

.badge-bundesarchiv {
  background: rgba(90, 155, 230, 0.16);
  color: #82b8f8;
  border: 1px solid rgba(90, 155, 230, 0.35);
}

.badge-bundestag {
  background: rgba(45, 184, 165, 0.16);
  color: #56d7c5;
  border: 1px solid rgba(45, 184, 165, 0.35);
}

.badge-bpb {
  background: rgba(230, 131, 60, 0.16);
  color: #f39e5f;
  border: 1px solid rgba(230, 131, 60, 0.35);
}

.badge-media {
  background: rgba(229, 72, 72, 0.16);
  color: #ff7a7a;
  border: 1px solid rgba(229, 72, 72, 0.35);
}

.badge-reichstag {
  background: rgba(201, 191, 174, 0.14);
  color: #e2dacb;
  border: 1px solid rgba(201, 191, 174, 0.3);
}

html[data-theme="light"] .badge-dhm { color: #7a5209; }
html[data-theme="light"] .badge-bundesarchiv { color: #195399; }
html[data-theme="light"] .badge-bundestag { color: #126b5e; }
html[data-theme="light"] .badge-bpb { color: #9c4a12; }
html[data-theme="light"] .badge-media { color: #a91c1c; }
html[data-theme="light"] .badge-reichstag { color: #474137; }

.slide-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.18rem 0.5rem;
  border-radius: 6px;
}

html[data-theme="light"] .slide-tag {
  background: rgba(0, 0, 0, 0.035);
}

.enriched-pill {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #56d7c5;
  margin-left: 0.25rem;
}

html[data-theme="light"] .enriched-pill {
  color: #126b5e;
}

.source-title {
  margin: 0.55rem 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.32;
  color: var(--ink-primary);
}

.source-summary {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-secondary);
  line-height: 1.5;
}

.source-meta-line {
  margin-top: 0.65rem;
  font-size: 0.76rem;
  color: var(--ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.3rem;
  border-top: 1px solid var(--border-subtle);
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   Data & Statistics Verification Section (Slides 4, 5, 9, 12)
   ========================================================================== */
.data-section,
.matcher-section,
.media-section {
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
}

.section-heading {
  margin-bottom: 1.75rem;
}

.section-heading h2 {
  margin: 0.25rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.section-heading p {
  margin: 0;
  color: var(--ink-secondary);
  max-width: 740px;
  font-size: 0.94rem;
}

.data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

@media (min-width: 860px) {
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-card-wide {
    grid-column: 1 / -1;
  }
}

.data-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-card);
}

.data-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.data-card-header h3 {
  margin: 0.35rem 0 0;
  font-size: 1.12rem;
}

/* Unemployment Bar Chart (1921-1932) */
.unemployment-chart {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: end;
  gap: 0.4rem;
  height: 210px;
  padding: 1.4rem 0.5rem 0.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.chart-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 0.25rem;
  min-width: 28px;
}

.chart-bar {
  width: 100%;
  max-width: 38px;
  border-radius: 5px 5px 2px 2px;
  background: #444752;
  transform-origin: bottom center;
  animation: barRise 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: transform var(--transition), filter var(--transition);
}

@keyframes barRise {
  from { transform: scaleY(0.05); opacity: 0.4; }
  to { transform: scaleY(1); opacity: 1; }
}

.chart-val {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--ink-secondary);
}

.chart-col.is-key .chart-bar {
  background: linear-gradient(180deg, #3b9ae1, #1e62a0);
}

.chart-col.is-peak .chart-bar {
  background: linear-gradient(180deg, var(--crimson), #8f1616);
}

.chart-col:hover .chart-bar {
  filter: brightness(1.2);
  transform: scaleY(1.03);
}

.chart-year {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.data-note {
  margin: 0.9rem 0 0;
  font-size: 0.86rem;
  color: var(--ink-secondary);
}

/* KPI Exports & -40% Production */
.kpi-stack {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.kpi-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 0.75rem;
  align-items: center;
}

.kpi-label {
  grid-column: 1 / -1;
  font-size: 0.84rem;
  color: var(--ink-secondary);
  font-weight: 500;
}

.kpi-bar-track {
  height: 14px;
  background: var(--bg-surface);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.kpi-bar-fill {
  height: 100%;
  border-radius: 999px;
}

.kpi-gold {
  background: linear-gradient(90deg, #b58932, var(--gold));
}

.kpi-crimson {
  background: linear-gradient(90deg, #991b1b, var(--crimson));
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.kpi-value small {
  color: var(--crimson);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
}

.kpi-divider {
  height: 1px;
  background: var(--border-subtle);
}

.gauge-callout {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.9rem;
}

.gauge-badge {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: #fff;
  background: var(--crimson);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
}

.gauge-callout p {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  color: var(--ink-secondary);
}

/* Election & Enabling Act Vote */
.vote-split {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.vote-subblock h4 {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: var(--ink-primary);
}

.stacked-bar {
  display: flex;
  height: 18px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  margin-bottom: 0.6rem;
}

.mini-legend {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

.mini-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.mini-legend i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}

.enabling-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.en-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.5rem;
  text-align: center;
}

.en-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.en-box span {
  display: block;
  font-size: 0.73rem;
  color: var(--ink-secondary);
}

.en-yes strong { color: #e56b55; }
.en-no strong { color: #56d7c5; }
.en-excl strong { color: var(--gold); }

/* ==========================================================================
   Interactive Slide-to-Source Matcher
   ========================================================================== */
.matcher-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 900px) {
  .matcher-layout {
    grid-template-columns: 310px 1fr;
    align-items: start;
  }
}

.matcher-sidebar {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  gap: 0.45rem;
  padding-bottom: 0.4rem;
}

@media (min-width: 900px) {
  .matcher-sidebar {
    flex-direction: column;
    max-height: 560px;
    overflow-y: auto;
    padding-right: 0.3rem;
  }
}

.slide-tab-btn {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  min-width: 185px;
  max-width: 235px;
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--ink-secondary);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  transition: all var(--transition);
}

@media (min-width: 900px) {
  .slide-tab-btn {
    flex-direction: row;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
    max-width: none;
    width: 100%;
  }
}

.slide-tab-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--gold);
  flex-shrink: 0;
}

html[data-theme="light"] .slide-tab-num {
  color: var(--crimson);
}

.slide-tab-label {
  font-size: 0.83rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: normal;
}

.slide-tab-btn.active,
.slide-tab-btn:hover {
  border-color: var(--gold);
  background: var(--gold-soft);
  color: var(--ink-primary);
}

.matcher-stage {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  box-shadow: var(--shadow-card);
}

.matcher-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.matcher-head h3 {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  text-transform: uppercase;
}

.matcher-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

@media (min-width: 720px) {
  .matcher-body.has-thumb {
    grid-template-columns: 240px 1fr;
  }
}

.matcher-thumb {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #0b0b0d;
}

.matcher-thumb img {
  width: 100%;
  height: 185px;
  object-fit: cover;
}

.matcher-thumb figcaption {
  padding: 0.5rem 0.7rem;
  font-size: 0.75rem;
  color: var(--ink-secondary);
}

.matcher-claims {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  color: var(--ink-secondary);
  font-size: 0.9rem;
}

.matcher-claims li + li {
  margin-top: 0.35rem;
}

.matcher-quote {
  font-family: var(--font-serif);
  font-style: italic;
  background: var(--bg-surface);
  border-left: 3px solid var(--gold);
  padding: 0.65rem 0.9rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.matcher-sources-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.matcher-source-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
}

.matcher-source-item strong {
  font-size: 0.87rem;
}

/* ==========================================================================
   Media, Videos & Historical Photo Gallery + Lightbox
   ========================================================================== */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 760px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.video-card,
.broadcast-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.video-card:hover,
.broadcast-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card), 0 0 24px rgba(212, 168, 83, 0.08);
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #08080a;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.yt-file-fallback {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
}

.yt-file-fallback img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.76) contrast(1.06);
  transition: transform 0.35s ease, filter 0.35s ease;
}

.yt-file-fallback:hover img {
  transform: scale(1.04);
  filter: brightness(0.92);
}

.yt-play-pill {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(166, 36, 36, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.68rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5), 0 0 0 6px rgba(212, 168, 83, 0.14);
  white-space: nowrap;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.yt-file-fallback:hover .yt-play-pill {
  transform: translate(-50%, -50%) scale(1.05);
  background: var(--crimson);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6), 0 0 0 8px rgba(212, 168, 83, 0.25);
}

.broadcast-banner {
  min-height: 150px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
}

.broadcast-zdf {
  background: linear-gradient(135deg, #1b2838 0%, #c85217 100%);
}

.broadcast-wdr {
  background: linear-gradient(135deg, #043542 0%, #1d5d73 100%);
}

.broadcast-logo {
  font-family: var(--font-display);
  font-size: 1.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.broadcast-tag {
  align-self: flex-start;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
}

.video-meta {
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.video-meta h3 {
  margin: 0.2rem 0 0;
  font-size: 1.05rem;
}

.video-meta p {
  margin: 0 0 0.5rem;
  font-size: 0.86rem;
  color: var(--ink-secondary);
  flex: 1;
}

.gallery-header {
  margin-bottom: 1.15rem;
}

.gallery-header h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.gallery-header p {
  margin: 0;
  color: var(--ink-secondary);
  font-size: 0.88rem;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr));
  gap: 1rem;
}

.photo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: left;
  padding: 0;
  color: inherit;
  transition: transform var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-card);
}

.photo-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.photo-thumb-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #0c0c0f;
  overflow: hidden;
}

.photo-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(12%) contrast(1.04);
  transition: transform 350ms ease;
}

.photo-card:hover .photo-thumb-wrap img {
  transform: scale(1.05);
}

.photo-slide-pill {
  position: absolute;
  top: 0.55rem;
  left: 0.55rem;
  background: rgba(13, 13, 16, 0.84);
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(212, 168, 83, 0.35);
}

.photo-caption {
  padding: 0.8rem 0.9rem;
}

.photo-caption h4 {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
  line-height: 1.3;
}

.photo-caption span {
  font-size: 0.76rem;
  color: var(--ink-muted);
}

/* ==========================================================================
   Lightbox Modal
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 7, 10, 0.86);
  backdrop-filter: blur(8px);
}

.lightbox-dialog {
  position: relative;
  z-index: 2;
  width: min(980px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1fr;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.75);
}

@media (min-width: 780px) {
  .lightbox-dialog {
    grid-template-columns: 1.25fr 1fr;
  }
}

.lightbox-close {
  position: absolute;
  top: 0.7rem;
  right: 0.8rem;
  z-index: 5;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: rgba(13, 13, 16, 0.8);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
}

.lightbox-media {
  background: #09090b;
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 0.75rem;
}

.lightbox-media img {
  max-height: 70vh;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
}

.lightbox-info {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.lightbox-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-right: 2rem;
}

.lightbox-info h3 {
  margin: 0;
  font-size: 1.2rem;
}

.lightbox-info p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-secondary);
  flex: 1;
}

.lightbox-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.lightbox-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--ink-muted);
}

/* ==========================================================================
   Toast Notification & Footer
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 1.35rem;
  right: 1.35rem;
  z-index: 150;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--teal-deep);
  color: #f3ede0;
  border: 1px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.45);
  transform: translateY(130%);
  opacity: 0;
  transition: transform 260ms ease, opacity 260ms ease;
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  color: var(--gold);
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 0.25rem;
}

html[data-theme="light"] .footer-brand {
  color: var(--crimson);
}

.footer-copy {
  margin: 0;
  font-size: 0.84rem;
  color: var(--ink-secondary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--ink-secondary);
}

.footer-links a:hover {
  color: var(--gold);
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 560ms cubic-bezier(0.22, 1, 0.36, 1), transform 560ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Comprehensive Mobile & Tablet Responsiveness */
@media (max-width: 640px) {
  .hero {
    padding: 1.25rem 0 2rem;
  }

  .newspaper-masthead {
    padding: 0.7rem 0.85rem;
    margin-bottom: 1.35rem;
  }

  .masthead-subbar {
    justify-content: center;
    text-align: center;
    font-size: 0.74rem;
    gap: 0.25rem 0.75rem;
  }

  .guiding-question-box {
    padding: 0.85rem 1rem;
  }

  .hero-stats-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .stat-pill {
    justify-content: center;
    padding: 0.42rem 0.7rem;
    font-size: 0.78rem;
  }

  .chapter-pills {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .chapter-pill {
    flex: 0 0 auto;
    scroll-snap-align: start;
    font-size: 0.78rem;
    padding: 0.44rem 0.78rem;
  }

  .milestone-panel,
  .filter-bar,
  .data-card,
  .matcher-stage {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  .filter-chip,
  .cat-chip,
  .type-chip {
    min-height: 36px;
    font-size: 0.76rem;
    padding: 0.34rem 0.72rem;
  }

  .source-card {
    padding: 1rem;
  }

  .data-section,
  .matcher-section,
  .media-section {
    padding: 2.15rem 0;
  }

  .unemployment-chart {
    grid-template-columns: repeat(12, minmax(32px, 1fr));
    gap: 0.25rem;
    height: 185px;
    padding-inline: 0.45rem;
  }

  .chart-val,
  .chart-year {
    font-size: 0.62rem;
  }

  .gauge-callout {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

  .enabling-numbers {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .lightbox {
    padding: max(0.5rem, env(safe-area-inset-top)) max(0.5rem, env(safe-area-inset-right)) max(0.5rem, env(safe-area-inset-bottom)) max(0.5rem, env(safe-area-inset-left));
  }

  .lightbox-info {
    padding: 1rem;
  }

  .toast {
    left: 0.85rem;
    right: 0.85rem;
    bottom: max(0.85rem, env(safe-area-inset-bottom));
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 400px) {
  .brand-name {
    display: none;
  }

  .hero-stats-strip {
    grid-template-columns: 1fr;
  }

  .yt-play-pill {
    font-size: 0.78rem;
    padding: 0.55rem 0.95rem;
  }
}

/* ==========================================================================
   Settings Modal & Accessibility Preferences
   ========================================================================== */
html[data-font-scale="large"] {
  font-size: 112%;
}

html[data-font-scale="xlarge"] {
  font-size: 122%;
}

html[data-compact-cards="true"] .source-meta-line {
  display: none;
}

.settings-modal {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: grid;
  place-items: center;
  padding: max(0.85rem, env(safe-area-inset-top)) max(0.85rem, env(safe-area-inset-right)) max(0.85rem, env(safe-area-inset-bottom)) max(0.85rem, env(safe-area-inset-left));
}

.settings-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 7, 10, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.settings-dialog {
  position: relative;
  z-index: 2;
  width: min(640px, 100%);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.72), var(--shadow-glow);
  overflow: hidden;
  animation: cardSlideIn 260ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.settings-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.35rem 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
}

.settings-eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

html[data-theme="light"] .settings-eyebrow {
  color: var(--crimson);
}

.settings-header h2 {
  margin: 0.1rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.45rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.settings-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--ink-primary);
  font-size: 1.35rem;
  line-height: 1;
  flex-shrink: 0;
}

.settings-close:hover {
  border-color: var(--gold);
}

.settings-body {
  padding: 1.15rem 1.35rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.setting-block {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.setting-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.setting-head label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.setting-status {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(212, 168, 83, 0.35);
  padding: 0.16rem 0.55rem;
  border-radius: 999px;
}

html[data-theme="light"] .setting-status {
  color: #7a540d;
}

.setting-desc {
  margin: 0;
  font-size: 0.79rem;
  color: var(--ink-secondary);
}

.segmented-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.28rem;
}

.seg-btn {
  flex: 1 1 auto;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0.42rem 0.65rem;
  font-size: 0.79rem;
  font-weight: 600;
  color: var(--ink-secondary);
  transition: all var(--transition);
}

.seg-btn:hover {
  color: var(--ink-primary);
}

.seg-btn.active {
  background: var(--crimson);
  color: #fff;
  box-shadow: 0 3px 10px rgba(217, 38, 38, 0.25);
}

.citation-preview {
  margin: 0.25rem 0 0;
  padding: 0.7rem 0.85rem;
  background: var(--bg-surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.74rem;
  line-height: 1.45;
  color: var(--ink-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

.setting-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

@media (min-width: 560px) {
  .setting-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.setting-toggles {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.3rem;
  border-top: 1px solid var(--border-subtle);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.toggle-row span {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.toggle-row strong {
  font-size: 0.84rem;
  color: var(--ink-primary);
}

.toggle-row small {
  font-size: 0.75rem;
  color: var(--ink-secondary);
}

.toggle-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--crimson);
  flex-shrink: 0;
  cursor: pointer;
}

.settings-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.85rem 1.35rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.settings-meta-info {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

html[data-motion="reduced"] *,
html[data-motion="reduced"] *::before,
html[data-motion="reduced"] *::after {
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
  scroll-behavior: auto !important;
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .card-enter,
  .chart-bar,
  .hero-backdrop::after {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
  }
  .btn-primary::after {
    display: none;
  }
  html {
    scroll-behavior: auto;
  }
}