/* ============================================================
   Constitutional Convention Website — Design System & Styles
   ============================================================ */

/* Google Fonts loaded in HTML head */

/* ============================================================
   1. CSS Custom Properties (Design Tokens)
   ============================================================ */
:root {
  /* Background tones — warm parchment palette */
  --color-parchment:       #f5f0e8;
  --color-parchment-dark:  #ede8d8;
  --color-parchment-aged:  #d4c9a8;

  /* Dark surfaces */
  --color-ink-deep:        #1a1610;
  --color-ink-mid:         #2c2416;
  --color-ink-light:       #4a3f2f;

  /* Accent — federal blue & gold */
  --color-federal-blue:    #2b4878;
  --color-federal-blue-lt: #3d5f9a;
  --color-federal-gold:    #c8a84b;
  --color-federal-gold-lt: #e8c86a;
  --color-federal-gold-dim: #8a7030;

  /* Text */
  --color-text-primary:    #2c2416;
  --color-text-secondary:  #6b5a3e;
  --color-text-muted:      #9c8a6e;
  --color-text-on-dark:    #e8e0d0;
  --color-text-on-dark-dim: #a89878;

  /* Borders */
  --color-border:          #c8b896;
  --color-border-light:    #e0d4b8;

  /* Functional */
  --color-error:           #8b2020;
  --color-success:         #1a5c2c;

  /* Typography */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body:    'Lora', 'Georgia', serif;
  --font-ui:      'Inter', 'Helvetica Neue', system-ui, sans-serif;

  /* Type scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  /* Line heights */
  --leading-tight:  1.25;
  --leading-snug:   1.375;
  --leading-normal: 1.5;
  --leading-prose:  1.8;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --content-max-width: 780px;
  --timeline-height:   88px;
  --nav-height:        56px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
}

/* ============================================================
   2. Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-parchment);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-federal-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-federal-blue-lt);
}

button {
  cursor: pointer;
  font-family: var(--font-ui);
  border: none;
  background: none;
}

/* ============================================================
   3. Navigation
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-ink-deep);
  border-bottom: 1px solid var(--color-ink-mid);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-8);
}

.site-nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-federal-gold);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}
.site-nav__logo:hover {
  color: var(--color-federal-gold-lt);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin-left: auto;
}

.site-nav__links a {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-on-dark);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: 4px;
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.site-nav__links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.09);
}
.site-nav__links a.active {
  color: var(--color-federal-gold-lt);
  background: rgba(200,168,75,0.30);
}

/* Hamburger toggle button — hidden by default, shown at mobile */
.site-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  flex-shrink: 0;
}
.site-nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-on-dark);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.site-nav--open .site-nav__toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-nav--open .site-nav__toggle span:nth-child(2) {
  opacity: 0;
}
.site-nav--open .site-nav__toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   4. Index Page — Hero
   ============================================================ */
.index-body {
  padding-top: var(--nav-height);
}

.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-6);
  background-image: url('../images/Assembly room side.jpg');
  background-size: cover;
  background-position: center;
}

.hero__inner {
  max-width: 720px;
  position: relative;
  z-index: 1;
  background:
    radial-gradient(ellipse 800px 600px at 50% 40%, rgba(43,72,120,0.06) 0%, transparent 70%),
    linear-gradient(180deg, rgba(245,240,232,0) 60%, var(--color-parchment) 100%),
    linear-gradient(135deg, var(--color-parchment) 0%, #ece4d0 50%, #e4d9c0 100%);
  padding: var(--space-12) var(--space-10);
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}

.hero__eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-federal-blue);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-ink-deep);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.hero__description {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: var(--leading-prose);
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0 auto var(--space-10);
}

.hero__divider {
  width: 48px;
  height: 2px;
  background: var(--color-federal-gold);
  margin: 0 auto var(--space-8);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-parchment);
  background: var(--color-federal-blue);
  padding: var(--space-4) var(--space-8);
  border-radius: 4px;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 2px 8px rgba(43,72,120,0.3);
}
.btn-primary:hover {
  background: var(--color-federal-blue-lt);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(43,72,120,0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-federal-blue);
  background: transparent;
  border: 1.5px solid var(--color-federal-blue);
  padding: calc(var(--space-4) - 1.5px) calc(var(--space-8) - 1.5px);
  border-radius: 4px;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.btn-secondary:hover {
  background: var(--color-federal-blue);
  color: var(--color-parchment);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__meta {
  margin-top: var(--space-10);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   5. Index Page — About Section
   ============================================================ */
.about-section {
  padding: var(--space-20) var(--space-6);
  background: var(--color-parchment-dark);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-federal-blue);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
  font-weight: 700;
  color: var(--color-ink-deep);
  margin-bottom: var(--space-10);
  line-height: var(--leading-snug);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 720px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-ink-deep);
  margin-bottom: var(--space-4);
}

.about-card p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-prose);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.facts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.facts-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.facts-list li::before {
  content: '—';
  color: var(--color-federal-gold);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ============================================================
   6. Index Page — Key Moments
   ============================================================ */
.moments-section {
  padding: var(--space-20) var(--space-6);
}

.moments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.moment-card {
  background: var(--color-parchment-dark);
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.moment-card:hover {
  border-color: var(--color-federal-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(43,72,120,0.1);
  color: inherit;
}

.moment-card__date {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-federal-gold-dim);
}

.moment-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink-deep);
  line-height: var(--leading-snug);
}

.moment-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
  flex: 1;
}

.moment-card__link {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-federal-blue);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  text-decoration: none;
}

/* ============================================================
   7. Site Footer
   ============================================================ */
.site-footer {
  background: var(--color-ink-deep);
  color: var(--color-text-on-dark-dim);
  padding: var(--space-12) var(--space-6);
  border-top: 2px solid var(--color-federal-gold-dim);
}

.site-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 600px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-federal-gold);
  margin-bottom: var(--space-3);
}

.site-footer p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-3);
}

.site-footer a {
  color: var(--color-text-on-dark-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.site-footer a:hover {
  color: var(--color-text-on-dark);
}

.site-footer__attribution {
  font-size: var(--text-xs);
  opacity: 0.7;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ============================================================
   8. Debates Page Layout
   ============================================================ */
.debates-body {
  padding-top: var(--nav-height);
  padding-bottom: var(--timeline-height);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.debates-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Sidebar removed — navigation is via the bottom timeline only */

/* ============================================================
   10. Debates Content Area
   ============================================================ */
.debates-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  background: var(--color-parchment);
}

.debates-content__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-10) var(--space-8) var(--space-16);
}

@media (max-width: 700px) {
  .debates-content__inner {
    padding: var(--space-6) var(--space-4) var(--space-20);
  }
}

/* ============================================================
   11. Day Header
   ============================================================ */
.day-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.day-counter {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-federal-blue);
  margin-bottom: var(--space-3);
}

.day-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: 700;
  color: var(--color-ink-deep);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.day-date {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: 400;
  color: var(--color-ink-deep);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-4);
}

.day-section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: 700;
  color: var(--color-ink-deep);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.day-summary {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-light);
}

#day-summary-text {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: var(--leading-prose);
  color: var(--color-text-primary);
  margin: 0;
}

#day-summary-text.day-summary-placeholder {
  font-style: italic;
  color: var(--color-text-secondary);
}

.day-notes-section {
  /* intentionally unstyled; debate-body handles typography */
}

.day-notable-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-federal-gold-dim);
  background: rgba(200,168,75,0.12);
  border: 1px solid rgba(200,168,75,0.3);
  padding: var(--space-1) var(--space-3);
  border-radius: 12px;
  margin-bottom: var(--space-4);
}
.day-notable-badge::before {
  content: '★';
  font-size: 10px;
}

/* Attendees section removed */

/* ============================================================
   12. Debate Body Typography
   ============================================================ */
.debate-body {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: var(--leading-prose);
  color: var(--color-text-primary);
}

.debate-body p {
  margin-bottom: var(--space-6);
}

/* Speaker names — bold tags from Yale source */
.debate-body b,
.debate-body strong {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-federal-blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline;
}

/* Section headings within long pages */
.debate-body h4,
.debate-body h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-ink-light);
  margin: var(--space-10) 0 var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-light);
  line-height: var(--leading-snug);
}

/* Footnote reference links */
.debate-body a[href^="#FN"],
.debate-body a[href^="#fn"] {
  color: var(--color-federal-blue);
  font-size: 0.75em;
  vertical-align: super;
  text-decoration: none;
  font-family: var(--font-ui);
  line-height: 0;
  transition: color var(--transition-fast);
}
.debate-body a[href^="#FN"]:hover,
.debate-body a[href^="#fn"]:hover {
  color: var(--color-federal-blue-lt);
  text-decoration: underline;
}

/* Ordered/unordered lists within debate text */
.debate-body ol,
.debate-body ul {
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}
.debate-body li {
  margin-bottom: var(--space-2);
}

/* Loading skeleton */
.skeleton-block {
  border-radius: 4px;
  background: linear-gradient(
    90deg,
    var(--color-parchment-dark) 25%,
    var(--color-parchment) 50%,
    var(--color-parchment-dark) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-title {
  height: 48px;
  width: 70%;
  margin-bottom: var(--space-4);
}
.skeleton-subtitle {
  height: 20px;
  width: 40%;
  margin-bottom: var(--space-8);
}
.skeleton-line {
  height: 18px;
  margin-bottom: var(--space-3);
}
.skeleton-line--short { width: 60%; }
.skeleton-line--med   { width: 85%; }
.skeleton-line--full  { width: 100%; }

#day-loading {
  display: none;
}
#day-loading.visible {
  display: block;
}
#day-content.hidden {
  display: none;
}

/* Footnotes section removed */

/* ============================================================
   14. Day Navigation (Prev/Next)
   ============================================================ */
.day-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
  gap: var(--space-4);
}

.day-nav__btn {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-federal-blue);
  background: none;
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-3) var(--space-5);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: 45%;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
.day-nav__btn:hover:not(:disabled) {
  background: var(--color-parchment-dark);
  border-color: var(--color-federal-blue);
}
.day-nav__btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.day-nav__btn--next {
  margin-left: auto;
}

.day-nav--top {
  border-top: none;
  margin-top: var(--space-6);
  margin-bottom: var(--space-8);
  padding-top: 0;
}

/* ============================================================
   15. Timeline Bar
   ============================================================ */
.timeline-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--timeline-height);
  background: var(--color-ink-deep);
  border-top: 2px solid var(--color-federal-gold-dim);
  z-index: 100;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

.timeline-scrollable {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--color-federal-gold-dim) var(--color-ink-mid);
}

.timeline-scrollable::-webkit-scrollbar {
  height: 4px;
}
.timeline-scrollable::-webkit-scrollbar-track {
  background: var(--color-ink-mid);
}
.timeline-scrollable::-webkit-scrollbar-thumb {
  background: var(--color-federal-gold-dim);
  border-radius: 2px;
}

.timeline-scroll-btn {
  width: 40px;
  flex-shrink: 0;
  background: var(--color-ink-mid);
  color: var(--color-federal-gold);
  font-size: var(--text-xl);
  line-height: 1;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
  user-select: none;
}
.timeline-scroll-btn:hover {
  background: var(--color-ink-light);
  color: var(--color-federal-gold-lt);
}
.timeline-scroll-btn--left {
  border-right: 1px solid var(--color-ink-light);
  position: relative;
  z-index: 6;
}
.timeline-scroll-btn--right {
  border-left: 1px solid var(--color-ink-light);
}

.timeline-inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 var(--space-4);
  gap: var(--space-5);
  min-width: max-content;
}

.timeline-month-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  align-items: flex-start;
}

.timeline-month-label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-federal-gold);
  line-height: 1;
  padding-left: 2px;
}

.timeline-sticky-month {
  position: absolute;
  left: 48px;
  top: 0; /* overridden by JS to match native label position */
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-federal-gold);
  line-height: 1;
  padding: 0 6px 0 2px;
  background: var(--color-ink-deep);
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  white-space: nowrap;
}

.timeline-days {
  display: flex;
  gap: 3px;
}

.timeline-day {
  position: relative;
  width: 34px;
  height: 36px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: var(--color-ink-mid);
  color: var(--color-text-on-dark-dim);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.timeline-day:hover {
  background: var(--color-ink-light);
  color: var(--color-text-on-dark);
  border-color: rgba(255,255,255,0.15);
}

.timeline-day.active {
  background: var(--color-federal-gold);
  color: var(--color-ink-deep);
  border-color: var(--color-federal-gold-lt);
  font-weight: 700;
}

.timeline-day.notable::after {
  content: '★';
  font-size: 8px;
  line-height: 1;
  color: var(--color-federal-gold-lt);
  flex-shrink: 0;
}

.timeline-day.active.notable::after {
  color: var(--color-ink-mid);
}

/* ============================================================
   16. Error State
   ============================================================ */
.error-message {
  background: rgba(139,32,32,0.08);
  border: 1px solid rgba(139,32,32,0.3);
  border-radius: 4px;
  padding: var(--space-6);
  margin: var(--space-8) 0;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-error);
}

.error-message strong {
  display: block;
  margin-bottom: var(--space-2);
}

/* ============================================================
   17. Utility Classes
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }

/* ============================================================
   18. Responsive Overrides
   ============================================================ */
/* Tablet: two-row centered nav (600–840px) */
@media (max-width: 840px) {
  :root { --nav-height: 100px; }
  .site-nav {
    flex-wrap: wrap;
    height: auto;
    min-height: var(--nav-height);
    align-content: center;
    padding: var(--space-1) var(--space-4) var(--space-2);
    gap: var(--space-3);
  }
  .site-nav__logo {
    width: 100%;
    text-align: center;
  }
  .site-nav__links {
    width: 100%;
    margin-left: 0;
    justify-content: center;
    flex-wrap: wrap;
  }
}

/* Mobile: hamburger menu (<600px) */
@media (max-width: 600px) {
  :root { --nav-height: 56px; }
  .site-nav {
    flex-wrap: nowrap;
    height: var(--nav-height);
    min-height: unset;
    align-content: unset;
    padding: 0 var(--space-4);
    align-items: center;
  }
  .site-nav__logo { width: auto; text-align: left; }
  .site-nav__logo span.logo-long { display: inline; }
  .site-nav__toggle { display: flex; }
  .site-nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    width: auto;
    flex-direction: column;
    background: var(--color-ink-deep);
    border-bottom: 1px solid var(--color-ink-mid);
    padding: var(--space-3) var(--space-4);
    gap: var(--space-2);
    z-index: 199;
    margin-left: 0;
    justify-content: flex-start;
    flex-wrap: nowrap;
  }
  .site-nav--open .site-nav__links { display: flex; }
  .site-nav__links a {
    padding: var(--space-4) var(--space-3);
    font-size: 1.05rem;
  }
  .site-nav__links a.active,
  .site-nav__links a:hover {
    padding-top: var(--space-1);
    padding-bottom: var(--space-1);
    margin-top: calc(var(--space-4) - var(--space-1));
    margin-bottom: calc(var(--space-4) - var(--space-1));
  }
  .timeline-day {
    font-size: 10px;
  }
  /* .timeline-sticky-month top is set dynamically by JS */
}

/* Touch devices (phones + tablets): larger tap targets regardless of screen width */
@media (pointer: coarse) {
  :root { --timeline-height: 96px; }
  .timeline-day {
    width: 40px;
    height: 40px;
  }
}

/* ============================================================
   19. Attendees Page
   ============================================================ */

/* Page layout */
.attendees-page {
  min-height: 100vh;
  padding-top: var(--nav-height);
}

.attendees-header {
  background: var(--color-ink-deep);
  color: var(--color-text-on-dark);
  padding: var(--space-12) 0 var(--space-10);
  text-align: center;
}

.attendees-header__eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-federal-gold);
  margin-bottom: var(--space-3);
}

.attendees-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.attendees-header__sub {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--color-text-on-dark-dim);
  max-width: 540px;
  margin: 0 auto;
  line-height: var(--leading-prose);
}

/* Filter bar */
.attendees-filters {
  background: var(--color-parchment-dark);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  position: sticky;
  top: var(--nav-height);
  z-index: 10;
}

.attendees-filters__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.attendees-filters__label {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.attendees-filters__group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.attendees-filters__select {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-parchment);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b5a3e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  transition: border-color var(--transition-fast);
}

.attendees-filters__select:focus {
  outline: none;
  border-color: var(--color-federal-blue);
}

.attendees-filters__count {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-left: auto;
  white-space: nowrap;
}

.attendees-filters__reset {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-federal-blue);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: 3px;
  transition: background var(--transition-fast);
}

.attendees-filters__reset:hover {
  background: rgba(43, 72, 120, 0.1);
}

/* Grid */
.attendees-grid-section {
  padding: var(--space-10) 0 var(--space-16);
}

.attendees-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-6);
}

/* Card */
.attendee-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.attendee-card:hover {
  box-shadow: 0 6px 20px rgba(43, 72, 120, 0.15);
  transform: translateY(-2px);
}

.attendee-card.hidden {
  display: none;
}

.attendee-card__photo-link {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-ink-deep);
  flex-shrink: 0;
}

.attendee-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.3s ease;
}

.attendee-card:hover .attendee-card__photo {
  transform: scale(1.03);
}

.attendee-card__body {
  padding: var(--space-3) var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.attendee-card__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  text-decoration: none;
}

.attendee-card__name:hover {
  color: var(--color-federal-blue);
}

.attendee-card__state {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.attendee-card__state-size {
  color: var(--color-text-muted);
  font-style: italic;
}

.attendee-card__occupation {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.attendee-card__badge {
  display: inline-block;
  margin-top: var(--space-2);
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
  align-self: flex-start;
}

.attendee-card__badge--signed {
  background: rgba(26, 92, 44, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(26, 92, 44, 0.2);
}

.attendee-card__badge--unsigned {
  background: rgba(107, 90, 62, 0.08);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
}

/* No results message */
.attendees-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  font-family: var(--font-ui);
  color: var(--color-text-muted);
}

.attendees-empty p:first-child {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

/* ============================================================
   20. Attendee Profile Page
   ============================================================ */

.attendee-profile-page {
  min-height: 100vh;
  padding-top: var(--nav-height);
}

/* Back nav */
.profile-back-nav {
  background: var(--color-parchment-dark);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
}

.profile-back-nav__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.profile-back-link {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-federal-blue);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.profile-back-link:hover {
  text-decoration: underline;
}

.profile-nav-btns {
  display: flex;
  gap: var(--space-2);
}

.profile-nav-btn {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: var(--color-parchment);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.profile-nav-btn:hover:not(:disabled) {
  border-color: var(--color-federal-blue);
  color: var(--color-federal-blue);
}

.profile-nav-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

/* Profile header */
.profile-header {
  background: var(--color-ink-deep);
  color: var(--color-text-on-dark);
  padding: var(--space-12) 0;
}

.profile-header__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  gap: var(--space-10);
  align-items: flex-start;
}

.profile-header__photo {
  width: 180px;
  flex-shrink: 0;
  border-radius: 4px;
  border: 3px solid rgba(200, 168, 75, 0.3);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.profile-header__info {
  flex: 1;
  min-width: 0;
}

.profile-header__state-eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-federal-gold);
  margin-bottom: var(--space-2);
}

.profile-header__name {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.profile-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  margin-bottom: var(--space-5);
}

.profile-meta-item {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-dim);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.profile-meta-item__label {
  font-weight: 600;
  color: var(--color-text-on-dark);
}

.profile-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}

.profile-badge--signed {
  background: rgba(26, 92, 44, 0.25);
  color: #6fcf97;
  border: 1px solid rgba(111, 207, 151, 0.3);
}

.profile-badge--unsigned {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-on-dark-dim);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.profile-badge--big-state {
  background: rgba(43, 72, 120, 0.3);
  color: #7eb8f5;
  border: 1px solid rgba(126, 184, 245, 0.3);
}

.profile-badge--small-state {
  background: rgba(200, 168, 75, 0.15);
  color: var(--color-federal-gold);
  border: 1px solid rgba(200, 168, 75, 0.3);
}

/* Profile body */
.profile-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-10) var(--space-8) var(--space-16);
}

.profile-section {
  margin-bottom: var(--space-10);
}

.profile-section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.profile-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-prose);
  color: var(--color-text-primary);
}

.profile-text p {
  margin-bottom: var(--space-4);
}

.profile-text p:last-child {
  margin-bottom: 0;
}

.profile-text b, .profile-text strong {
  font-weight: 600;
}

.profile-text i, .profile-text em {
  font-style: italic;
}

.profile-wiki-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  margin-top: var(--space-6);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.profile-wiki-link:hover {
  border-color: var(--color-federal-blue);
  color: var(--color-federal-blue);
}

/* Loading skeleton for profile */
.profile-skeleton {
  padding: var(--space-12) var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

.profile-skeleton .skeleton-block {
  border-radius: 4px;
  margin-bottom: var(--space-4);
}

/* Responsive: profile */
@media (max-width: 640px) {
  .profile-header__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .profile-header__photo {
    width: 140px;
  }
  .profile-header__meta {
    justify-content: center;
  }
  .attendees-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-4);
    padding: 0 var(--space-4);
  }
  .attendees-filters {
    position: static;
  }
  .attendees-filters__inner {
    padding: 0 var(--space-4);
    gap: var(--space-3);
  }
  .profile-content {
    padding: var(--space-8) var(--space-4) var(--space-12);
  }
}

/* ============================================================
   21. Delegate Hover Popup
   ============================================================ */

/* ── Link styling ─────────────────────────────────────────── */
.delegate-link {
  color: var(--color-federal-blue);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color 0.15s;
}
.delegate-link:hover,
.delegate-link:focus-visible {
  color: var(--color-federal-gold-dim);
  text-decoration-style: solid;
  outline: none;
}

/* ── Popup shell ──────────────────────────────────────────── */
.dlg-popup {
  position: fixed;
  z-index: 900;
  width: 290px;
  background: var(--color-parchment);
  border: 1px solid var(--color-federal-gold);
  border-radius: 6px;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.20), 0 1px 4px rgba(0, 0, 0, 0.10);
  padding: 12px;
  display: flex;
  gap: 12px;
  pointer-events: auto;
  /* Start invisible/shifted; transitions applied when .is-visible is added */
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.14s ease, transform 0.14s ease;
  font-family: var(--font-ui);
}
.dlg-popup.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Photo column ─────────────────────────────────────────── */
.dlg-popup__photo {
  width: 68px;
  height: 85px;
  object-fit: cover;
  object-position: top center;
  border-radius: 3px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background: var(--color-parchment-dark);
}

/* ── Info column ──────────────────────────────────────────── */
.dlg-popup__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.dlg-popup__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-ink-deep);
  line-height: 1.25;
}
.dlg-popup__state {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}
.dlg-popup__meta {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
}
.dlg-popup__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}
.dlg-popup__badge {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
  display: inline-block;
}
.dlg-popup__badge--signed {
  background: rgba(26, 92, 44, 0.12);
  color: #1a5c2c;
  border: 1px solid rgba(26, 92, 44, 0.22);
}
.dlg-popup__badge--unsigned {
  background: rgba(107, 90, 62, 0.08);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
}
.dlg-popup__badge--big-state {
  background: rgba(43, 72, 120, 0.10);
  color: #1a3a6c;
  border: 1px solid rgba(43, 72, 120, 0.20);
}
.dlg-popup__badge--small-state {
  background: rgba(184, 144, 42, 0.12);
  color: #7a5a00;
  border: 1px solid rgba(184, 144, 42, 0.25);
}
.dlg-popup__link {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-federal-gold-dim);
  text-decoration: none;
  margin-top: 5px;
  display: block;
  white-space: nowrap;
}
.dlg-popup__link:hover {
  text-decoration: underline;
}

/* ============================================================
   22. Books / Further Reading
   ============================================================ */

/* ── Books page layout ───────────────────────────────────── */
.books-page {
  min-height: 100vh;
  padding-top: var(--nav-height);
}

.books-header {
  background: var(--color-ink-deep);
  color: var(--color-text-on-dark);
  padding: var(--space-12) 0 var(--space-10);
  text-align: center;
}

.books-header__eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-federal-gold);
  margin-bottom: var(--space-3);
}

.books-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.books-header__sub {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--color-text-on-dark-dim);
  max-width: 540px;
  margin: 0 auto;
  line-height: var(--leading-prose);
}

/* ── Filter bar ──────────────────────────────────────────── */
.books-filters {
  background: var(--color-parchment-dark);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  position: sticky;
  top: var(--nav-height);
  z-index: 10;
}

.books-filters__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.books-filters__label {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.books-filters__select {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-parchment);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b5a3e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  transition: border-color var(--transition-fast);
}

.books-filters__select:focus {
  outline: none;
  border-color: var(--color-federal-blue);
}

.books-filters__reset {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-federal-blue);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: 3px;
  transition: background var(--transition-fast);
  margin-left: auto;
}

.books-filters__reset:hover {
  background: rgba(43, 72, 120, 0.1);
}

/* ── Books content area ──────────────────────────────────── */
.books-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-10) var(--space-8) var(--space-16);
}

.books-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  padding: var(--space-16) 0;
}

/* ── Delegate section on books page ──────────────────────── */
.books-delegate-section {
  margin-bottom: var(--space-12);
}

.books-delegate-section.hidden {
  display: none;
}

.books-section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.books-section-title a {
  color: inherit;
  text-decoration: none;
}

.books-section-title a:hover {
  color: var(--color-federal-blue);
}

/* ── Book card — manual (full-width) ─────────────────────── */
.book-card {
  margin-bottom: var(--space-6);
}

.book-card--manual {
  display: flex;
  gap: var(--space-6);
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  padding: var(--space-5);
  transition: box-shadow var(--transition-base);
}

.book-card--manual:hover {
  box-shadow: 0 4px 16px rgba(43, 72, 120, 0.10);
}

.book-card__cover {
  width: 120px;
  flex-shrink: 0;
}

.book-card__cover img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  border: 1px solid var(--color-border-light);
  display: block;
}

.book-card__cover--placeholder {
  width: 100%;
  aspect-ratio: 2 / 3;
  background: var(--color-parchment-dark);
  border-radius: 3px;
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.book-card__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.book-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin: 0;
}

.book-card__author {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.book-card__description {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-prose);
  color: var(--color-text-primary);
  margin-top: var(--space-1);
}

.book-card__buy-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-parchment);
  background: var(--color-federal-blue);
  text-decoration: none;
  margin-top: auto;
  padding: var(--space-2) var(--space-4);
  border-radius: 4px;
  align-self: flex-start;
  letter-spacing: 0.02em;
  transition: background var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 2px 8px rgba(43,72,120,0.3);
}

.book-card__buy-link:hover {
  background: var(--color-federal-blue-lt);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(43,72,120,0.4);
}

/* ── Book audience badges ────────────────────────────────── */
.book-card__audiences {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-1);
}

.book-card__audience-badge {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

.book-card__audience-badge--kids {
  background: #e8f4e8;
  color: #2d6a2d;
  border: 1px solid #b8ddb8;
}

.book-card__audience-badge--teens {
  background: #f4ebe8;
  color: #7a3520;
  border: 1px solid #e0c0b8;
}

.book-card__audience-badge--adults {
  background: #e8eef6;
  color: #2b4878;
  border: 1px solid #b8c8e0;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .book-card--manual {
    flex-direction: column;
  }

  .book-card__cover {
    width: 100px;
  }

  .books-content {
    padding: var(--space-8) var(--space-4) var(--space-12);
  }

  .books-filters__inner {
    padding: 0 var(--space-4);
    gap: var(--space-3);
  }
}