/* Estilos compartidos entre páginas internas (header/nav ya en modern-styles.css). */

/* ====== Layout de costos (fijos / similares) ====== */
.costs-layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  align-items: start;
}

.costs-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: sticky;
  top: calc(64px + var(--space-lg));
  height: fit-content;
}

.costs-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  height: 100%;
}

.costs-table-card {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 300px);
}

.costs-table-card .table-container {
  flex: 1;
  overflow-y: auto;
  min-height: 500px;
}

@media (max-width: 1024px) {
  .costs-layout {
    grid-template-columns: 1fr;
  }
  .costs-sidebar {
    position: static;
  }
}

/* ====== Encabezado de página / breadcrumb ====== */
.page-header {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Admin: mismo header/breadcrumb en todas las secciones */
.container .header.admin-page-header,
.container .admin-page-header,
.container .header.page-shell-header,
.container .page-shell-header {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-color);
  overflow: visible;
}

.admin-page-header-row,
.page-shell-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.admin-page-header-main,
.page-shell-header-main {
  min-width: 0;
  flex: 1 1 240px;
}

.admin-page-header-aside,
.page-shell-header-aside {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: flex-end;
}

/* Logo: más grande visualmente, sin agrandar la caja del header (huella = tamaño anterior). */
.admin-page-header-aside:has(.admin-page-header-logo),
.page-shell-header-aside:has(.page-shell-header-logo) {
  position: relative;
  width: clamp(100px, 13vh, 130px);
  height: clamp(88px, 12vh, 120px);
  overflow: visible;
}

.admin-page-header-logo,
.page-shell-header-logo {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: clamp(130px, 17vh, 175px);
  width: auto;
  max-height: none;
  object-fit: contain;
  display: block;
  pointer-events: none;
}

.container .header h1,
.container .admin-page-header h1,
.container .page-shell-header h1 {
  color: var(--primary-color);
  font-family: var(--font-brand);
  font-size: 2rem;
  font-weight: 400;
  margin: 0 0 var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.container .header .breadcrumb,
.container .admin-page-header .breadcrumb,
.container .page-shell-header .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.container .header .breadcrumb a,
.container .admin-page-header .breadcrumb a,
.container .page-shell-header .breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
}

.container .header .breadcrumb a:hover,
.container .admin-page-header .breadcrumb a:hover,
.container .page-shell-header .breadcrumb a:hover {
  text-decoration: underline;
}

.admin-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: var(--space-md);
  align-items: center;
}

.admin-subnav-form {
  display: inline;
  margin: 0;
}

.admin-subnav .btn.is-active {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 10%, var(--surface));
  font-weight: 600;
}

/* Espacio estándar entre main-header sticky y el page header */
.container:has(> .page-shell-header),
.container:has(> .header.page-shell-header) {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

/* Ancho estándar de todas las subsecciones de Administración */
.container.admin-container {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding: var(--space-lg);
}

.stock-badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--primary-color);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  margin: 1rem 0;
}

.stock-badge.bajo {
  background: var(--danger-color);
}

/* ====== Tablas y acciones (historial u otras tablas genéricas) ====== */
.table-col-actions {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}

.btn-delete {
  background: none;
  border: none;
  color: var(--danger-color);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  opacity: 0.55;
  transition: opacity 0.2s, background 0.2s;
}

.btn-delete:hover {
  opacity: 1;
  background: var(--danger-light);
}

.empty-state {
  padding: var(--space-lg);
  color: var(--text-secondary);
}

/* ====== Página de error 403 ====== */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.error-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--danger-color);
}

.error-icon {
  width: 80px;
  height: 80px;
  background: rgba(220, 53, 69, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}

.error-icon i {
  font-size: 2.5rem;
  color: var(--danger-color);
}

.error-code {
  font-size: 4rem;
  font-weight: 800;
  color: var(--danger-color);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.error-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.error-message {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.error-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ====== Formularios en sidebar ====== */
.sidebar-form-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-lg);
  box-shadow: var(--shadow);
}

.sidebar-form-card h3 {
  margin: 0 0 var(--space-md);
  font-size: var(--font-size-lg);
  color: var(--text-primary);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: var(--font-size-base);
  background: var(--surface);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* ====== Mensajes flash ====== */
.flash-alert {
  margin-bottom: var(--space-md);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.92rem;
}

.flash-success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.flash-error {
  background: #fff3e0;
  color: #e65100;
  border: 1px solid #ffcc80;
}