/**
 * admin.css — Estilos para el panel de camarero / administración
 *
 * Layout: sidebar + contenido principal
 * Optimizado para tablets y escritorio
 */

.admin-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.admin-header {
  background: var(--color-primary-dark);
  color: white;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-header h1 {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.admin-nav {
  display: flex;
  gap: 4px;
}

.admin-nav button {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  transition: all var(--transition-fast);
}

.admin-nav button.active {
  background: white;
  color: var(--color-primary-dark);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-sm);
}

/* Contenido principal */
.admin-content {
  flex: 1;
  padding: 20px;
}

/* Grid de mesas */
.tables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.table-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.table-card:hover {
  box-shadow: var(--shadow-md);
}

.table-card.status-free {
  border-color: #E8F5E9;
}

.table-card.status-occupied {
  border-color: var(--color-info);
  background: #F8FBFF;
}

.table-card.status-requesting_payment {
  border-color: var(--color-danger);
  background: #FFF5F5;
  animation: pulse 2s ease infinite;
}

.table-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: 4px;
}

.table-status-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 8px;
}

.status-free .table-status-label {
  background: #E8F5E9;
  color: #2E7D32;
}

.status-occupied .table-status-label {
  background: #E3F2FD;
  color: #1565C0;
}

.status-requesting_payment .table-status-label {
  background: #FFEBEE;
  color: #C62828;
}

.table-total {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
}

.table-orders-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Panel lateral de detalle de mesa */
.table-detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  z-index: 500;
  overflow-y: auto;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 499;
}

.panel-header {
  background: #F8F9FA;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 800;
}

.btn-close-panel {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-border);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-body {
  padding: 16px 20px;
}

.panel-section {
  margin-bottom: 20px;
}

.panel-section h3 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.bill-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.bill-item:last-child {
  border-bottom: none;
}

.bill-item .item-qty {
  color: var(--color-text-secondary);
  margin-right: 8px;
}

.bill-item .item-notes {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  display: block;
}

.bill-total {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-size: var(--font-size-xl);
  font-weight: 800;
  border-top: 2px solid var(--color-text);
  margin-top: 8px;
}

/* Botones de acción */
.panel-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
}

.btn-action {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.btn-action:active {
  transform: scale(0.98);
}

.btn-mark-paid {
  background: var(--color-success);
  color: white;
}

.btn-mark-paid:active {
  background: var(--color-primary-dark);
}

.btn-free-table {
  background: var(--color-border);
  color: var(--color-text);
}

/* QR Section */
.qr-section {
  text-align: center;
  padding: 20px;
}

.qr-section img {
  max-width: 200px;
  margin: 10px auto;
}

.qr-url {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  word-break: break-all;
}

/* Estadísticas rápidas */
.stats-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
  flex: 1;
  min-width: 120px;
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 768px) {
  .tables-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .table-detail-panel {
    width: 100%;
  }
}