/**
 * Audience Library - Estilos Específicos
 * Basado en CSS_ARCHITECTURE_GUIDE.md
 *
 * Orden de carga:
 * 1. global.css (auto)
 * 2. main.css (auto)
 * 3. shared-header.css (auto + manual override)
 * 4. audience-library.css (este archivo)
 */

/* ========================================
   FILTROS Y CATEGORÍAS
   ======================================== */

.filters-container {
  margin-bottom: var(--ax-space-6, 1.5rem);
}

.filters-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--ax-space-4, 1rem);
  flex-wrap: wrap;
}

.filter-group {
  flex: 1;
  min-width: 0;
}

.category-tabs {
  display: flex;
  gap: var(--ax-space-6, 1.5rem);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--ax-color-border, #e2e8f0);
}

.category-tab {
  padding: var(--ax-space-3, 0.75rem) 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: var(--ax-font-size-sm, 0.875rem);
  font-weight: var(--ax-font-weight-medium, 500);
  color: var(--ax-color-muted, #64748b);
  position: relative;
}

.category-tab:hover {
  color: var(--ax-color-fg, #1a1a1a);
}

.category-tab.active {
  color: var(--ax-color-primary, #3b82f6);
  border-bottom-color: var(--ax-color-primary, #3b82f6);
  font-weight: var(--ax-font-weight-semibold, 600);
}

/* Bulk Actions */
.bulk-actions {
  display: flex;
  gap: var(--ax-space-2, 0.5rem);
  align-items: center;
}

/* ========================================
   ESTADÍSTICAS
   ======================================== */

.stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--ax-space-3, 0.75rem) var(--ax-space-4, 1rem);
  background: var(--ax-color-surface, #f9fafb);
  border: 1px solid var(--ax-color-border, #e2e8f0);
  border-radius: var(--ax-radius-md, 0.375rem);
  margin-bottom: var(--ax-space-4, 1rem);
}

.stats p {
  margin: 0;
  font-size: var(--ax-font-size-sm, 0.875rem);
  color: var(--ax-color-muted, #64748b);
}

.stats span {
  font-weight: var(--ax-font-weight-semibold, 600);
  color: var(--ax-color-text-primary, #111827);
}

/* ========================================
   AVATARS GRID
   ======================================== */

.avatars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--ax-space-6, 1.5rem);
  padding: var(--ax-space-4, 1rem) 0;
}

/* Loading State */
.avatars-grid .loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--ax-space-8, 2rem);
  color: var(--ax-color-muted, #64748b);
  font-size: var(--ax-font-size-lg, 1.125rem);
}

/* ========================================
   AVATAR CARDS (según styleguide)
   ======================================== */

.avatar-card {
  /* Tamaño FIJO para consistencia */
  height: 420px;
  display: flex;
  flex-direction: column;

  /* Estilos del card según styleguide */
  background: var(--ax-color-white, #ffffff);
  border: 1px solid var(--ax-color-border, #e2e8f0);
  border-radius: var(--ax-radius-lg, 0.5rem);
  padding: var(--ax-space-4, 1rem);
  transition: all 0.2s ease;
  cursor: pointer;

  /* Sombra sutil */
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.avatar-card:hover {
  border-color: var(--ax-color-primary, #3b82f6);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

/* Card Header */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--ax-space-3, 0.75rem);
  min-height: 48px; /* Altura mínima para título */
}

.card-title {
  font-weight: var(--ax-font-weight-bold, 700);
  font-size: var(--ax-font-size-base, 1rem);
  color: var(--ax-color-text-primary, #111827);
  line-height: 1.4;
  flex: 1;

  /* Limitar a 2 líneas */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card Tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ax-space-2, 0.5rem);
  margin-bottom: var(--ax-space-3, 0.75rem);
  min-height: 24px; /* Altura mínima para tags */
}

.meta-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--ax-color-surface, #f9fafb);
  border: 1px solid var(--ax-color-border, #e2e8f0);
  border-radius: var(--ax-radius-sm, 0.25rem);
  font-size: var(--ax-font-size-xs, 0.75rem);
  color: var(--ax-color-text-secondary, #6b7280);
  font-weight: var(--ax-font-weight-medium, 500);
}

/* Card Preview */
.card-preview {
  font-size: var(--ax-font-size-sm, 0.875rem);
  color: var(--ax-color-text-secondary, #6b7280);
  line-height: 1.5;
  margin-bottom: var(--ax-space-4, 1rem);
  flex: 1; /* Toma el espacio restante */
  overflow: hidden;

  /* Limitar a 4 líneas */
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

/* Card Stats */
.card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ax-space-3, 0.75rem);
  margin-bottom: var(--ax-space-4, 1rem);
  padding: var(--ax-space-3, 0.75rem) 0;
  border-top: 1px solid var(--ax-color-border, #e2e8f0);
  border-bottom: 1px solid var(--ax-color-border, #e2e8f0);
}

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

.stat-value {
  font-size: var(--ax-font-size-lg, 1.125rem);
  font-weight: var(--ax-font-weight-bold, 700);
  color: var(--ax-color-text-primary, #111827);
  margin-bottom: var(--ax-space-1, 0.25rem);
}

.stat-label {
  font-size: var(--ax-font-size-xs, 0.75rem);
  color: var(--ax-color-text-secondary, #6b7280);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Card Actions */
.card-actions {
  display: flex;
  gap: var(--ax-space-2, 0.5rem);
  margin-top: auto; /* Siempre al final del card */
}

.card-actions .btn {
  flex: 1; /* Botones de igual ancho */
  justify-content: center;
}

/* Avatar Checkbox */
.avatar-select {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.avatar-checkbox {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.avatar-checkbox-label {
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border: 2px solid var(--ax-color-border, #e2e8f0);
  border-radius: var(--ax-radius-sm, 0.25rem);
  background: var(--ax-color-white, #ffffff);
  cursor: pointer;
  transition: all 0.2s ease;
}

.avatar-checkbox:checked + .avatar-checkbox-label {
  background: var(--ax-color-primary, #3b82f6);
  border-color: var(--ax-color-primary, #3b82f6);
}

.avatar-checkbox:checked + .avatar-checkbox-label::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 6px;
  width: 4px;
  height: 8px;
  border: solid var(--ax-color-white, #ffffff);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--ax-space-12, 3rem) var(--ax-space-4, 1rem);
}

.empty-icon {
  color: var(--ax-color-muted, #64748b);
  margin-bottom: var(--ax-space-4, 1rem);
}

.empty-state h3 {
  font-size: var(--ax-font-size-xl, 1.5rem);
  font-weight: var(--ax-font-weight-bold, 700);
  color: var(--ax-color-text-primary, #111827);
  margin-bottom: var(--ax-space-2, 0.5rem);
}

.empty-state p {
  font-size: var(--ax-font-size-base, 1rem);
  color: var(--ax-color-text-secondary, #6b7280);
  margin-bottom: var(--ax-space-6, 1.5rem);
}

/* Fade-in Animation */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   MODAL STYLES (from styleguide)
   ======================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--ax-space-4, 1rem);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.modal__content {
  background-color: var(--ax-color-bg, #ffffff);
  border-radius: var(--ax-radius-lg, 0.5rem);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  z-index: 2;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.modal.is-open .modal__content {
  transform: scale(1);
}

.modal__header {
  padding: var(--ax-space-6, 1.5rem);
  border-bottom: 1px solid var(--ax-color-border, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal__header h3 {
  margin: 0;
  font-size: var(--ax-font-size-lg, 1.125rem);
  font-weight: var(--ax-font-weight-semibold, 600);
  display: flex;
  align-items: center;
}

.modal__close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--ax-color-muted, #64748b);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ax-radius-md, 0.375rem);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.modal__close:hover {
  background-color: var(--ax-color-hover, #f8fafc);
  color: var(--ax-color-fg, #1a1a1a);
}

.modal__body {
  padding: var(--ax-space-6, 1.5rem);
}

.modal__body p {
  margin: 0;
  color: var(--ax-color-fg, #1a1a1a);
  line-height: 1.6;
}

.modal__actions {
  padding: var(--ax-space-6, 1.5rem);
  border-top: 1px solid var(--ax-color-border, #e2e8f0);
  display: flex;
  gap: var(--ax-space-3, 0.75rem);
  justify-content: flex-end;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .filters-row {
    flex-direction: column;
    align-items: stretch;
  }

  .category-tabs {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .category-tabs::-webkit-scrollbar {
    display: none;
  }

  .avatars-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--ax-space-4, 1rem);
  }

  .stats {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--ax-space-2, 0.5rem);
  }
}

/* ========================================
   THEME SUPPORT (Dark Mode)
   ======================================== */

[data-theme="dark"] .category-tab {
  background: var(--ax-color-surface-dark, #1e293b);
  border-color: var(--ax-color-border-dark, #334155);
  color: var(--ax-color-text-primary-dark, #f1f5f9);
}

[data-theme="dark"] .category-tab:hover {
  background: var(--ax-color-surface-hover-dark, #334155);
}

[data-theme="dark"] .category-tab.active {
  background: var(--ax-color-primary, #3b82f6);
  color: var(--ax-color-white, #ffffff);
}

[data-theme="dark"] .stats {
  background: var(--ax-color-surface-dark, #1e293b);
  border-color: var(--ax-color-border-dark, #334155);
}

[data-theme="dark"] .avatar-card {
  background: var(--ax-color-surface-dark, #1e293b);
  border-color: var(--ax-color-border-dark, #334155);
}

[data-theme="dark"] .avatar-card:hover {
  border-color: var(--ax-color-primary, #3b82f6);
}