/* ===== PAGE-SPECIFIC STYLES ===== */

/* ===== BILLING PAGE ===== */
.billing-layout {
  display: grid;
  grid-template-columns: 1fr var(--order-panel-width);
  gap: 0;
  height: calc(100vh - var(--header-height));
  overflow: hidden;
}

.billing-products {
  padding: var(--space-5);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.billing-search-row {
  display: flex;
  gap: var(--space-3);
}

.billing-barcode-input {
  position: relative;
  flex: 1;
}

.billing-barcode-input input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) 44px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.billing-barcode-input input:focus {
  box-shadow: 0 0 0 4px rgba(27, 37, 89, 0.15);
}

.billing-barcode-input svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.billing-search-input {
  position: relative;
  width: 300px;
}

.billing-search-input input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) 40px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-input);
  color: var(--text-primary);
}

.billing-search-input input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(67,24,255,0.1);
}

.billing-search-input svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
}

/* Order Panel */
.order-panel {
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  overflow: hidden;
}

.order-panel-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.order-panel-header h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.order-panel-info {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  background: var(--bg-input);
}

.order-panel-info span { color: var(--text-secondary); }
.order-panel-info strong { color: var(--text-primary); }

.order-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) var(--space-5);
}

.order-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-light);
  animation: fadeInUp 0.2s ease;
}

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

.order-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.order-item-details {
  flex: 1;
  min-width: 0;
}

.order-item-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.order-item-meta {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

.order-item-right {
  text-align: right;
  flex-shrink: 0;
}

.order-item-price {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.order-item-qty-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.order-item-qty-controls button {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  transition: all var(--transition-fast);
}

.order-item-qty-controls button:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.order-item-qty-controls span {
  min-width: 24px;
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.order-item-remove {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  border-radius: 50%;
  transition: all var(--transition-fast);
  margin-top: 2px;
}

.order-item-remove:hover {
  background: var(--danger-light);
  color: var(--danger);
}

/* Order Summary */
.order-summary {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  background: var(--bg-input);
}

.order-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-1) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.order-summary-row.total {
  padding-top: var(--space-3);
  margin-top: var(--space-2);
  border-top: 2px solid var(--border);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
}

.order-summary-row .clickable {
  color: var(--accent);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
}

.order-summary-row .clickable:hover {
  text-decoration: underline;
}

/* Order Payment */
.order-payment {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
}

.order-payment-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.order-amount-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.order-amount-row .form-group label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.order-amount-row input {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
}

/* Order Actions */
.order-actions {
  padding: var(--space-4) var(--space-5);
  display: flex;
  gap: var(--space-3);
  border-top: 1px solid var(--border);
}

.order-actions .btn { flex: 1; padding: var(--space-3); font-size: var(--font-size-base); }

/* ===== DASHBOARD ===== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.dashboard-chart-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.dashboard-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.dashboard-chart-header h4 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
}

.dashboard-recent {
  grid-column: span 2;
}

/* Low stock cards */
.low-stock-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.low-stock-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  background: var(--bg-input);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.low-stock-item:hover { background: var(--border-light); }

.low-stock-item-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.low-stock-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--danger-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.low-stock-item-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.low-stock-item-qty {
  font-size: var(--font-size-xs);
  color: var(--danger);
  font-weight: var(--font-weight-semibold);
}

/* ===== REPORTS ===== */
.report-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.report-filters .form-select,
.report-filters .form-input {
  width: auto;
  min-width: 150px;
}

.report-chart-container {
  height: 300px;
  position: relative;
}

/* ===== SETTINGS PAGE ===== */
.settings-grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-6);
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.settings-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.settings-nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.settings-nav-item.active { background: var(--primary-bg); color: var(--primary); font-weight: var(--font-weight-semibold); }
.settings-nav-item svg { width: 20px; height: 20px; }

.settings-content { min-height: 400px; }

.settings-section { margin-bottom: var(--space-8); }
.settings-section h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

/* ===== RECEIPT PRINT ===== */
.receipt-preview {
  max-width: 300px;
  margin: 0 auto;
  background: white;
  padding: var(--space-4);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: #000;
}

.receipt-preview .receipt-header { text-align: center; margin-bottom: 8px; }
.receipt-preview .receipt-shop-name { font-size: 16px; font-weight: bold; }
.receipt-preview .receipt-divider { border-top: 1px dashed #000; margin: 6px 0; }
.receipt-preview table { width: 100%; font-size: 11px; }
.receipt-preview table td { padding: 2px 0; }
.receipt-preview .receipt-total { font-size: 14px; font-weight: bold; }
.receipt-preview .receipt-footer { text-align: center; margin-top: 8px; font-size: 11px; }

@media print {
  body * { visibility: hidden; }
  .receipt-print-area, .receipt-print-area * { visibility: visible; }
  .receipt-print-area {
    position: absolute; left: 0; top: 0;
    width: 80mm; font-size: 12px;
  }
}

/* ===== INVENTORY ===== */
.stock-adjustment-type {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.stock-type-btn {
  padding: var(--space-2) var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.stock-type-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.stock-type-btn:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

/* Alert banners */
.alert-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
}

.alert-banner.warning { background: var(--warning-light); color: var(--warning-dark); }
.alert-banner.danger { background: var(--danger-light); color: var(--danger-dark); }
.alert-banner.info { background: var(--info-light); color: var(--info); }
.alert-banner svg { width: 18px; height: 18px; flex-shrink: 0; }