/* ==========================================================================
   Views CSS - Estilos Contextuales de Vistas SPA
   Identidad Editorial Artesanal — Librería Central
   ========================================================================== */

/* --------------------------------------------------------------------------
   Placeholders de Vistas
   -------------------------------------------------------------------------- */
.placeholder-card {
  padding: 3rem 1.5rem;
  text-align: center;
  background-color: var(--bg-surface-alt);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
}

.placeholder-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-style: italic;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Vista: Catálogo y Buscador Interactivo
   -------------------------------------------------------------------------- */
.catalogo-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem 1.25rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.catalogo-toolbar .search-group {
  margin-bottom: 0;
}

.catalogo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .catalogo-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
  }
}

/* Tarjeta de Libro (Diseño Editorial Artesanal) */
.book-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.15rem;
  position: relative;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              border-color var(--transition-fast);
}

.book-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-color);
}

.book-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.book-card-badges {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.book-card-price {
  font-family: var(--font-family-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.book-card-main {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.book-card-title {
  font-family: var(--font-family-serif);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  margin: 0;
}

.book-card-editorial {
  font-size: 0.825rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.book-card-isbn {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.book-card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
}

.book-card-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.book-card-meta-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.book-card-meta-val {
  font-weight: 500;
  color: var(--text-primary);
}

.book-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   Vistas de Gestión: Libros, Clientes, Ventas, Historial
   -------------------------------------------------------------------------- */
.view-grid-two-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.view-grid-two-cols > * {
  min-width: 0;
}

@media (min-width: 900px) {
  .view-grid-two-cols {
    grid-template-columns: 360px 1fr;
    gap: 1.75rem;
  }
}

.form-actions-bar {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.ventas-workflow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.ventas-workflow-grid > * {
  min-width: 0;
}

@media (min-width: 992px) {
  .ventas-workflow-grid {
    grid-template-columns: 380px 1fr;
    gap: 1.75rem;
  }
}

.ventas-summary-box {
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1.25rem;
}

.ventas-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.ventas-total-label {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.ventas-total-amount {
  font-family: var(--font-family-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   Paginación Accesible
   -------------------------------------------------------------------------- */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn-pagination {
  min-height: 34px;
  padding: 0.35rem 0.8rem;
  font-size: 0.825rem;
}

/* --------------------------------------------------------------------------
   Diálogos Modales Nativos (<dialog>) - Centrado y Chips Atómicos
   -------------------------------------------------------------------------- */
dialog.app-modal:not([open]) {
  display: none !important;
}

dialog.app-modal[open] {
  position: fixed !important;
  inset: 0 !important;
  margin: auto !important;
  max-width: 600px;
  width: min(92vw, 600px);
  max-height: 85vh;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0;
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  animation: modalFadeIn 0.22s var(--ease-snappy);
  overscroll-behavior: contain;
  transform: translateZ(0); /* Capa GPU propia aislada */
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

dialog.app-modal::backdrop {
  background-color: rgba(10, 12, 16, 0.72);
  /* Eliminado backdrop-filter: blur(6px) para garantizar 60/120fps fluido sin jank de GPU */
}

.modal-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
}

.modal-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.modal-title {
  margin: 0;
  font-family: var(--font-family-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

/* Chips Atómicos para Subtítulos de Modales (Nunca se parten a la mitad) */
.modal-meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  white-space: nowrap;
}

.meta-pill svg {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
}

.meta-pill.isbn-pill {
  font-family: var(--font-family-mono);
  font-size: 0.725rem;
}

.meta-pill.stock-pill-modal {
  color: var(--color-success);
  background-color: var(--color-success-bg);
  border-color: transparent;
  font-weight: 600;
  white-space: nowrap !important;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  will-change: scroll-position;
  contain: layout;
}

.modal-footer {
  padding: 0.85rem 1.5rem;
  background-color: var(--bg-surface-alt);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-tip {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.modal-tip kbd {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-family: var(--font-family-mono);
  font-size: 0.7rem;
}

.btn-close-modal {
  background: none;
  border: none;
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
  color: var(--text-muted);
  padding: 0.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.btn-close-modal:hover {
  color: var(--text-primary);
}

.editorial-section-title {
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.editorial-section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-subtle);
}

/* --------------------------------------------------------------------------
   Subformularios
   -------------------------------------------------------------------------- */
.subform-box {
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 0.75rem;
}

.author-item-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.author-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}