/* ==========================================================================
   Tal Día Como Hoy en la Historia (Efemérides) - Fijate.com
   Estándar Canónico Midnight Slate, Cronología Histórica y Selector Temporal
   ========================================================================== */

:root {
  --bg-primary: #0b0f17;
  --bg-surface: #121826;
  --bg-surface-elevated: #1a2336;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.16);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-gold: #f59e0b;
  --accent-gold-glow: rgba(245, 158, 11, 0.25);
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 12px 32px -4px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --shadow-card: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 12px 28px -4px rgba(15, 23, 42, 0.12);
}

/* Base */
body {
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  padding: 0;
}

.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3.5rem;
  padding: 0 1rem;
  width: 100%;
  box-sizing: border-box;
}

.tool-with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1536px) {
  .tool-with-sidebar {
    grid-template-columns: 1fr 300px;
  }
}

.tool-main-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Tarjeta principal de controles */
.card-main {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.date-selector-header {
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0;
}

/* Cuadrícula de controles */
.controls-grid-dates {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .controls-grid-dates {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.date-pickers-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.select-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.control-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.custom-select {
  height: 42px;
  min-height: 40px;
  padding: 0 2.2rem 0 0.85rem;
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  transition: border-color 0.2s;
}

.custom-select:focus {
  border-color: var(--accent-gold);
}

.custom-select option {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.btn-today {
  height: 42px;
  min-height: 40px;
  padding: 0 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--accent-gold);
  color: #0b0f17;
  font-weight: 700;
  font-size: 0.88rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: filter 0.2s;
}

.btn-today:hover {
  filter: brightness(1.1);
}

/* Buscador por palabra clave */
.search-filter-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 380px;
}

.search-filter-box svg {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-filter-box .text-input {
  width: 100%;
  height: 42px;
  min-height: 40px;
  padding: 0 1rem 0 2.85rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.search-filter-box .text-input:focus {
  border-color: var(--accent-gold);
}

/* Pestañas de categorías con insignias */
.tabs-events-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.btn-tab-event {
  flex-shrink: 0;
  height: 42px;
  min-height: 40px;
  padding: 0 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.btn-tab-event:hover {
  border-color: var(--accent-gold);
  color: var(--text-primary);
}

.btn-tab-event.active {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #0b0f17;
  font-weight: 700;
}

.tab-count-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 9999px;
}

.btn-tab-event.active .tab-count-badge {
  background: rgba(11, 15, 23, 0.3);
  color: #0b0f17;
}

/* Contenedor de la línea temporal */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  padding-left: 1rem;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1.95rem;
  width: 2px;
  background: var(--border-color);
}

/* Nodo / Tarjeta de evento */
.timeline-node {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.timeline-node-bullet {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 2;
  box-shadow: 0 0 10px var(--accent-gold-glow);
  margin-top: 0.5rem;
}

.timeline-node-bullet svg {
  color: var(--accent-gold);
}

.timeline-card {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.timeline-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.timeline-year-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.timeline-card-body {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.timeline-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #1e293b;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

.timeline-text-content {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.timeline-text-content a {
  color: var(--accent-blue);
  text-decoration: none;
}

.timeline-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border-color);
}

.btn-timeline-action {
  height: 36px;
  min-height: 36px;
  padding: 0 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-timeline-action:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-share-whatsapp:hover {
  border-color: #25d366;
  color: #25d366;
}

/* Modales */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  padding: 1rem;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: var(--shadow-hover);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.modal-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.modal-body {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
}

.btn-primary {
  height: 42px;
  min-height: 40px;
  padding: 0 1.5rem;
  background: var(--accent-gold);
  border: none;
  border-radius: var(--radius-sm);
  color: #0b0f17;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}

/* Responsive móvil */
@media (max-width: 768px) {
  .card-main {
    padding: 1.25rem;
  }

  .timeline-container {
    padding-left: 0;
  }

  .timeline-container::before {
    display: none;
  }

  .timeline-node-bullet {
    display: none;
  }

  .timeline-card {
    padding: 1.15rem;
  }

  .timeline-card-body {
    flex-direction: column;
  }

  .timeline-thumb {
    width: 100%;
    height: 160px;
  }
}