/* Manuales de Productos - Estilos */

.manuals-section {
  padding-block: clamp(2rem, 4vw, 3.5rem);
}

/* Sistema de pestañas - Dos filas */
.manuals-tabs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
}

.manuals-tabs-row--categories {
  margin-bottom: 2rem;
}

.manuals-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: var(--paper);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--t-fast) ease;
  white-space: nowrap;
  min-height: 40px;
}

.manuals-tab:hover {
  background: var(--primary-50);
  border-color: var(--primary-300);
  color: var(--primary-700);
  transform: translateY(-1px);
}

.manuals-tab.is-active {
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  color: #fff;
  border-color: var(--primary-600);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.25);
}

.manuals-tab:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Contenedor de manuales */
.manuals-container {
  min-height: 300px;
  position: relative;
}

.manuals-loading,
.manuals-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--muted);
}

.manuals-loading[hidden],
.manuals-empty[hidden],
.manuals-grid[hidden] {
  display: none !important;
}

.manuals-loading i,
.manuals-empty i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.manuals-loading p,
.manuals-empty p {
  font-size: 1.1rem;
  margin: 0;
}

/* Grid de manuales */
.manuals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Agrupación por categoría */
.manuals-category-group {
  grid-column: 1 / -1;
  margin-bottom: 2rem;
}

.manuals-category-group:not(:first-child) {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 2px solid rgba(15, 23, 42, 0.08);
}

.manuals-category-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.manuals-category-title::before {
  content: '';
  width: 4px;
  height: 1.5rem;
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  border-radius: 2px;
}

.manuals-category-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Item de manual */
.manual-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem;
  background: var(--paper);
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: calc(var(--radius) - 4px);
  transition: all var(--t-fast) ease;
  cursor: default;
}

.manual-item:hover {
  border-color: var(--primary-300);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.15);
  transform: translateY(-2px);
}

.manual-item__name {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  margin: 0;
  line-height: 1.4;
}

.manual-item__actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.manual-item__action {
  text-decoration: none;
  cursor: pointer;
  appearance: none;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f3f4f6;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  color: #334155;
  font-size: 1.1rem;
  transition: all var(--t-fast) ease;
}

.manual-item__action:hover {
  border-color: var(--primary-300);
  background: var(--primary-50);
  color: var(--primary-700);
  transform: translateY(-1px);
}

.manual-item__action:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.manual-item__action--download {
  background: var(--primary-50);
  color: var(--primary-600);
}

.manual-item__action--download:hover {
  background: var(--primary-700);
  color: #fff;
  border-color: var(--primary-700);
}

.manual-item__action.is-success {
  background: #065f46;
  color: #fff;
  border-color: #065f46;
}

.manual-item__action.is-success:hover {
  background: #064e3b;
  color: #fff;
  border-color: #064e3b;
}

/* Responsive - Tablet */
@media (max-width: 768px) {
  .manuals-tab {
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
    min-height: 36px;
  }

  .manuals-grid,
  .manuals-category-items {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.2rem;
  }

  .manual-item {
    padding: 1rem;
  }

  .manual-item__name {
    font-size: 0.9rem;
  }
}

/* Responsive - Móvil */
@media (max-width: 480px) {
  .manuals-tabs-row {
    gap: 0.4rem;
  }

  .manuals-tab {
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
    min-height: 34px;
    flex: 1 1 auto;
    min-width: calc(50% - 0.2rem);
  }

  .manuals-grid,
  .manuals-category-items {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .manual-item {
    padding: 0.9rem;
  }

  .manual-item__name {
    font-size: 0.85rem;
  }

  .manual-item__actions {
    gap: 0.35rem;
  }

  .manual-item__action {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }

  .manuals-category-title {
    font-size: 1.1rem;
  }

  .manuals-loading i,
  .manuals-empty i {
    font-size: 2.5rem;
  }
}