:root {
  --ink-950: #243126;
  --ink-900: #314035;
  --ink-700: #5b6f5b;
  --ink-500: #7c8d76;
  --ink-300: #b8c4b2;
  --cream-50: #fcf8f1;
  --cream-100: #f2e9dc;
  --cream-200: #e3d3bc;
  --amber-400: #b87a50;
  --amber-500: #9f6441;
  --amber-700: #6d452d;
  --accent-rose: #c56f55;
  --shadow-soft: 0 28px 72px rgba(36, 49, 38, 0.16);
  --shadow-panel: 0 20px 48px rgba(36, 49, 38, 0.12);
}

body {
  background:
    radial-gradient(circle at 0% 0%, rgba(154, 173, 122, 0.22), transparent 30%),
    radial-gradient(circle at 100% 0%, rgba(197, 111, 85, 0.18), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(77, 100, 74, 0.14), transparent 28%),
    linear-gradient(180deg, #fcfaf6 0%, #efe7da 100%);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.22), transparent 40%),
    linear-gradient(325deg, rgba(154, 173, 122, 0.08), transparent 48%),
    radial-gradient(circle at 85% 20%, rgba(197, 111, 85, 0.08), transparent 18%);
  opacity: 0.9;
}

.app-topbar {
  background: linear-gradient(180deg, rgba(34, 48, 36, 0.94), rgba(44, 59, 46, 0.9));
  box-shadow: 0 18px 48px rgba(31, 43, 33, 0.24);
  border-bottom: 1px solid rgba(243, 233, 220, 0.12);
}

.app-brand-mark {
  background: linear-gradient(145deg, #718564, #c56f55);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    0 12px 24px rgba(36, 49, 38, 0.18);
}

.app-nav-link:hover,
.app-nav-link.active {
  background: rgba(242, 233, 220, 0.14);
}

.app-user-chip {
  background: rgba(255, 248, 239, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.app-footer {
  color: #67745f;
}

.panel-surface,
.hero-surface,
.login-panel {
  background:
    radial-gradient(circle at 100% 0%, rgba(184, 122, 80, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(255, 251, 245, 0.94), rgba(246, 239, 229, 0.9));
  border: 1px solid rgba(91, 111, 91, 0.18);
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(12px);
}

.login-hero,
.legacy-hero-surface {
  position: relative;
  overflow: hidden;
}

.login-hero::after,
.legacy-hero-surface::after {
  content: '';
  position: absolute;
  right: -4rem;
  bottom: -5rem;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.05) 45%, transparent 72%);
  pointer-events: none;
}

.login-hero {
  background:
    radial-gradient(circle at 12% 10%, rgba(169, 186, 138, 0.24), transparent 28%),
    radial-gradient(circle at 88% 0%, rgba(197, 111, 85, 0.26), transparent 24%),
    linear-gradient(135deg, #223024 0%, #405241 46%, #8a6046 100%);
}

.legacy-hero-surface {
  background:
    radial-gradient(circle at 14% 0%, rgba(169, 186, 138, 0.2), transparent 28%),
    radial-gradient(circle at 100% 12%, rgba(197, 111, 85, 0.28), transparent 30%),
    linear-gradient(135deg, #1f2c22 0%, #425441 42%, #70513b 100%);
}

.login-hero .hero-copy,
.legacy-hero-surface .hero-copy {
  color: rgba(251, 246, 238, 0.78);
}

.login-hero .display-title,
.legacy-hero-surface .display-title {
  text-shadow: 0 6px 18px rgba(18, 26, 20, 0.22);
}

.hero-chip,
.info-chip {
  border: 1px solid rgba(91, 111, 91, 0.12);
}

.hero-surface .hero-chip,
.panel-surface .info-chip,
.legacy-person-card .info-chip,
.timeline-card .info-chip,
.login-panel .hero-chip,
.login-panel .info-chip {
  background: rgba(91, 111, 91, 0.1);
  color: #566852;
}

.legacy-hero-surface .hero-chip,
.login-hero .hero-chip {
  background: rgba(255, 247, 238, 0.16);
  border-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 250, 244, 0.94);
}

.tab-chooser {
  background: #ece0d1;
}

.tab-chooser button.is-active {
  background: linear-gradient(135deg, #314035, #526553);
  box-shadow: 0 10px 20px rgba(49, 64, 53, 0.18);
}

.divider-line {
  background: linear-gradient(90deg, rgba(91, 111, 91, 0.12), rgba(184, 122, 80, 0.32), rgba(91, 111, 91, 0.12));
}

.photo-card,
.album-card,
.book-page-card,
.timeline-card,
.prompt-card,
.vault-card,
.selection-tile,
.admin-link-card,
.queue-item-card,
.legacy-person-card {
  background: linear-gradient(180deg, rgba(255, 251, 246, 0.92), rgba(246, 238, 228, 0.86));
  border: 1px solid rgba(91, 111, 91, 0.16);
  box-shadow: 0 18px 38px rgba(36, 49, 38, 0.09);
}

.photo-thumb {
  background: linear-gradient(145deg, #dfd2c0, #fdfbf7);
}

.empty-state {
  background: rgba(255, 250, 243, 0.78);
  border-color: rgba(91, 111, 91, 0.24);
}

.selection-tile.is-active,
.legacy-person-card.is-viewer {
  border-color: rgba(184, 122, 80, 0.48);
  background: linear-gradient(145deg, rgba(247, 239, 227, 0.98), rgba(237, 228, 212, 0.9));
}

.legacy-tree-stage {
  background: linear-gradient(180deg, rgba(246, 239, 228, 0.96), rgba(255, 252, 247, 0.92));
  border-color: rgba(91, 111, 91, 0.14);
}

.generation-label {
  background: rgba(91, 111, 91, 0.08);
  color: #5b6f5b;
}

.legacy-tree-line {
  stroke: rgba(49, 64, 53, 0.24);
}

.legacy-tree-line.is-pending {
  stroke: rgba(184, 122, 80, 0.76);
}

.timeline-card blockquote {
  background: rgba(184, 122, 80, 0.12);
  border-left-color: var(--accent-rose);
}

.stat-card {
  background: linear-gradient(180deg, rgba(255, 246, 236, 0.16), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.btn {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.btn-dark {
  --bs-btn-bg: #2f3e31;
  --bs-btn-border-color: #2f3e31;
  --bs-btn-hover-bg: #445746;
  --bs-btn-hover-border-color: #445746;
  --bs-btn-active-bg: #263427;
  --bs-btn-active-border-color: #263427;
  --bs-btn-focus-shadow-rgb: 91, 111, 91;
  box-shadow: 0 12px 24px rgba(47, 62, 49, 0.18);
}

.btn-warning {
  --bs-btn-color: #fff;
  --bs-btn-bg: #b87a50;
  --bs-btn-border-color: #b87a50;
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: #a86b45;
  --bs-btn-hover-border-color: #a86b45;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: #93593a;
  --bs-btn-active-border-color: #93593a;
  --bs-btn-focus-shadow-rgb: 184, 122, 80;
  box-shadow: 0 12px 24px rgba(184, 122, 80, 0.2);
}

.btn-outline-dark {
  --bs-btn-color: #314035;
  --bs-btn-border-color: rgba(49, 64, 53, 0.46);
  --bs-btn-hover-bg: #314035;
  --bs-btn-hover-border-color: #314035;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: #314035;
  --bs-btn-active-border-color: #314035;
  --bs-btn-active-color: #fff;
}

.btn-outline-secondary {
  --bs-btn-color: #5b6f5b;
  --bs-btn-border-color: rgba(91, 111, 91, 0.34);
  --bs-btn-hover-bg: #5b6f5b;
  --bs-btn-hover-border-color: #5b6f5b;
  --bs-btn-hover-color: #fff;
}

.btn-outline-light {
  --bs-btn-color: #fff8f0;
  --bs-btn-border-color: rgba(255, 248, 240, 0.48);
  --bs-btn-hover-bg: rgba(255, 248, 240, 0.14);
  --bs-btn-hover-border-color: rgba(255, 248, 240, 0.7);
  --bs-btn-hover-color: #fff;
}

.form-control,
.form-select {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(91, 111, 91, 0.22);
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(91, 111, 91, 0.48);
  box-shadow: 0 0 0 0.25rem rgba(91, 111, 91, 0.14);
}

.alert-info {
  --bs-alert-color: #314035;
  --bs-alert-bg: #e7efe4;
  --bs-alert-border-color: #cfdac9;
}

.alert-success {
  --bs-alert-color: #325337;
  --bs-alert-bg: #e5f1e6;
  --bs-alert-border-color: #c8decb;
}

.alert-danger {
  --bs-alert-color: #7d4436;
  --bs-alert-bg: #f6e7e1;
  --bs-alert-border-color: #ebc7bb;
}

.table {
  --bs-table-hover-bg: rgba(91, 111, 91, 0.05);
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 0.82rem 1rem;
  border: 1px solid rgba(255, 248, 240, 0.2);
  border-radius: 999px;
  background: rgba(255, 248, 240, 0.08);
  color: #fff9f2;
  box-shadow: 0 10px 24px rgba(27, 38, 29, 0.14);
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.mobile-nav-toggle:hover {
  background: rgba(255, 248, 240, 0.14);
  border-color: rgba(255, 248, 240, 0.28);
}

.mobile-nav-toggle-box {
  display: inline-flex;
  flex-direction: column;
  gap: 0.22rem;
}

.mobile-nav-toggle-box span {
  display: block;
  width: 1rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.mobile-nav-toggle-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.mobile-nav-panel,
.mobile-nav-backdrop {
  display: none;
}

@media (max-width: 768px) {
  body::before {
    opacity: 0.66;
  }

  .login-hero::after,
  .legacy-hero-surface::after {
    width: 14rem;
    height: 14rem;
    right: -3rem;
    bottom: -4rem;
  }
}

@media (max-width: 1024px) {
  body.mobile-nav-open {
    overflow: hidden;
  }

  .app-topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem;
  }

  body.mobile-nav-ready .app-topbar > .app-nav-links,
  body.mobile-nav-ready .app-topbar > .app-toolbar,
  body.mobile-nav-ready .app-topbar > .app-nav-spacer {
    display: none !important;
  }

  .app-brand-block {
    min-width: 0;
  }

  .app-brand-link {
    min-width: 0;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    position: fixed;
    top: 0.85rem;
    right: 1rem;
    z-index: 62;
  }

  body.mobile-nav-open .mobile-nav-toggle {
    background: rgba(255, 248, 240, 0.18);
    border-color: rgba(255, 248, 240, 0.34);
  }

  body.mobile-nav-ready .mobile-nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 58;
    border: 0;
    background: rgba(22, 28, 22, 0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }

  body.mobile-nav-open .mobile-nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  body.mobile-nav-ready .mobile-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 60;
    width: min(86vw, 360px);
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 5.4rem 1rem 1.2rem;
    background:
      radial-gradient(circle at 100% 0%, rgba(197, 111, 85, 0.14), transparent 28%),
      linear-gradient(180deg, rgba(251, 247, 240, 0.98), rgba(236, 228, 214, 0.98));
    box-shadow: -28px 0 54px rgba(22, 29, 24, 0.2);
    border-left: 1px solid rgba(91, 111, 91, 0.14);
    transform: translateX(104%);
    transition: transform 0.28s ease;
    overflow-y: auto;
    display: flex;
  }

  body.mobile-nav-open .mobile-nav-panel {
    transform: translateX(0);
  }

  .mobile-nav-panel .app-nav-links,
  .mobile-nav-panel .app-toolbar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .mobile-nav-panel .app-nav-links {
    padding: 0.35rem;
    border-radius: 1.4rem;
    background: rgba(49, 64, 53, 0.05);
    border: 1px solid rgba(91, 111, 91, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
  }

  .mobile-nav-panel .app-nav-link {
    width: 100%;
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    color: var(--ink-900);
  }

  .mobile-nav-panel .app-nav-link.active,
  .mobile-nav-panel .app-nav-link:hover {
    background: rgba(49, 64, 53, 0.09);
    color: var(--ink-950);
  }

  .mobile-nav-panel .app-user-chip {
    width: 100%;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 0.95rem;
    border-radius: 1.25rem;
    background: rgba(49, 64, 53, 0.05);
    border-color: rgba(91, 111, 91, 0.12);
  }

  .mobile-nav-panel .app-user-name,
  .mobile-nav-panel .app-user-role {
    color: var(--ink-950);
  }

  .mobile-nav-panel .btn-outline-light {
    --bs-btn-color: #314035;
    --bs-btn-border-color: rgba(49, 64, 53, 0.36);
    --bs-btn-hover-bg: #314035;
    --bs-btn-hover-border-color: #314035;
    --bs-btn-hover-color: #fff;
  }

  .mobile-nav-panel .btn,
  .mobile-nav-panel .app-user-chip .btn {
    width: 100%;
    justify-content: center;
  }

  .mobile-nav-panel .app-user-chip .btn {
    width: auto;
    min-width: 6.5rem;
  }
}