:root {
  --brand: var(--lb-azul, #2c4a5e);
  --brand-2: var(--lb-azul-hover, #1e3648);
  --soft: var(--lb-papel-oscuro, #f4f1ea);
  --card: var(--lb-blanco, #ffffff);
  --muted: #6c757d;
  --border: var(--lb-borde, #dedcd3);
  --shadow: 0 18px 60px rgba(36, 33, 29, 0.12);
  --shadow2: 0 10px 30px rgba(36, 33, 29, 0.08);
  --radius: 18px;
}

[data-bs-theme="dark"] {
  --soft: #0b1220;
  --card: #111827;
  --muted: #94a3b8;
  --border: #253043;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --shadow2: 0 10px 30px rgba(0, 0, 0, 0.28);
}

html,
#sidebar {
  view-transition-name: none !important;
}

body {
  background: var(--soft);
  color: #0f172a;
}

[data-bs-theme="dark"] body {
  color: #e5e7eb;
}

.app-shell {
  min-height: 100vh;
  display: flex;
}

.sidebar {
  width: 280px;
  background: #fff;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

[data-bs-theme="dark"] .sidebar {
  background: #111827;
}

.sidebar .brand {
  padding: 18px 18px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: center;
}

.brand .logo {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: var(--shadow2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand .title {
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.1;
  font-size: 1.05rem;
}

.brand .subtitle {
  color: var(--muted);
  font-size: 0.82rem;
}

.nav-section-title {
  padding: 14px 18px 8px;
  color: #94a3b8;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin: 6px 12px;
  border-radius: 14px;
  color: #0f172a;
  text-decoration: none;
  border: 1px solid transparent;
}

[data-bs-theme="dark"] .side-link {
  color: #e5e7eb;
}

.side-link:hover {
  background: #f2f6ff;
  border-color: #e6eeff;
  color: #0f172a;
}

[data-bs-theme="dark"] .side-link:hover {
  background: #1f2937;
  border-color: #334155;
  color: #f8fafc;
}

.side-link.active {
  background: rgba(44, 74, 94, 0.11);
  border-color: rgba(44, 74, 94, 0.24);
  color: var(--brand);
  font-weight: 700;
}

.side-link i {
  font-size: 1.05rem;
}

.side-link-child,
.collapse > .side-link {
  margin-left: 22px;
  padding-left: 14px;
  opacity: 0.94;
}

.side-link [class*="bi-chevron-down"] {
  transition: transform 0.16s ease;
}

.side-link[aria-expanded="true"] [class*="bi-chevron-down"] {
  transform: rotate(180deg);
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 248, 251, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

[data-bs-theme="dark"] .topbar {
  background: rgba(11, 18, 32, 0.88);
}

.topbar-inner {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.search {
  width: min(520px, 100%);
}

.search .form-control {
  border-radius: 14px;
  padding: 10px 12px;
}

.card-soft {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow2);
}

[data-bs-theme="dark"] .card-soft {
  color: #e5e7eb;
}

.page,
.page.page-ready,
.page.page-leave {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

main.fade-in,
.page .fade-in,
.page .fade-in-up {
  animation: none !important;
}

.modal {
  --bs-modal-zindex: 2000;
  z-index: var(--bs-modal-zindex);
}

.modal-backdrop {
  --bs-backdrop-zindex: 1990;
  z-index: var(--bs-backdrop-zindex);
}

@media (max-width: 991.98px) {
  .sidebar {
    position: fixed;
    left: -320px;
    z-index: 1050;
    transition: left 0.18s ease;
    box-shadow: var(--shadow);
  }

  .sidebar.open {
    left: 0;
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.4);
    z-index: 1040;
  }

  .sidebar-backdrop.show {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Unificación visual sobre estilos heredados de app.css. */
:root {
  --action: var(--lb-terracota, #b1522a);
  --action-hover: #934120;
  --gray-900: var(--lb-tinta, #24211d);
  --gray-700: #4f4b45;
  --gray-500: #777168;
  --gray-200: var(--lb-borde, #dedcd3);
  --white: var(--lb-blanco, #ffffff);
}

.btn-brand {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #fff;
  border-radius: 4px;
  font-weight: 600;
  box-shadow: none;
}

.btn-brand:hover,
.btn-brand:focus-visible {
  background-color: var(--brand-2);
  border-color: var(--brand-2);
  color: #fff;
  transform: none;
  box-shadow: none;
}

.btn-outline-brand {
  color: var(--brand);
  border-color: var(--brand);
}

.btn-outline-brand:hover,
.btn-outline-brand:focus-visible {
  color: #fff;
  background-color: var(--brand);
  border-color: var(--brand);
}

.card-dashboard,
.dashboard-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow2);
}

.card-dashboard:hover,
.card-dashboard .card:hover,
.dashboard-card:hover {
  transform: none;
  box-shadow: 0 12px 28px rgba(36, 33, 29, 0.12);
}

[data-bs-theme="dark"] .card-dashboard,
[data-bs-theme="dark"] .dashboard-card,
[data-bs-theme="dark"] .card-dashboard .card-header {
  background: var(--card);
  color: #e5e7eb;
  border-color: var(--border);
}