/* ============================================
   Order System - Modern UI Stylesheet
   Version: 2.1.0
   Features: Dark mode, responsive, accessible
   ============================================ */

/* CSS Variables for theming */
:root {
  /* Colors - Light Mode */
  --color-primary: #667eea;
  --color-primary-dark: #5a67d8;
  --color-secondary: #764ba2;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;
  
  /* Backgrounds */
  --bg-body: #f5f5f5;
  --bg-card: #ffffff;
  --bg-hover: #f9fafb;
  --bg-input: #ffffff;
  --bg-modal: rgba(0, 0, 0, 0.5);
  
  /* Text */
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-inverse: #ffffff;
  
  /* Borders */
  --border-color: #e5e7eb;
  --border-radius: 10px;
  --border-radius-sm: 5px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Monaco, monospace;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --header-height: 60px;
  --sidebar-width: 260px;
  --max-content-width: 1400px;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-primary: #818cf8;
  --color-primary-dark: #6366f1;
  --color-secondary: #a78bfa;
  
  --bg-body: #0f172a;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --bg-input: #334155;
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-color: #334155;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Container */
.container {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: var(--space-md);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.app-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--text-inverse);
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow);
}

.app-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.app-header p {
  opacity: 0.9;
}

/* Navigation */
.nav {
  background: var(--bg-card);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
}

.nav button {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid transparent;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav button:hover {
  background: var(--color-primary);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

.nav button.active {
  background: var(--color-primary);
  color: var(--text-inverse);
}

.nav button.secondary {
  margin-left: auto;
  background: transparent;
  border-color: var(--border-color);
}

.nav button.secondary:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--text-primary);
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

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

.card h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--border-color);
  color: var(--text-primary);
}

/* ============================================
   STATS GRID
   ============================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-card {
  background: var(--bg-card);
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border-left: 4px solid var(--color-primary);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-card h3 {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.stat-card .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-card.positive { border-left-color: var(--color-success); }
.stat-card.warning { border-left-color: var(--color-warning); }
.stat-card.danger { border-left-color: var(--color-danger); }

/* ============================================
   BUTTONS
   ============================================ */

button, .btn {
  background: var(--color-primary);
  color: var(--text-inverse);
  border: none;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

button:hover, .btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

button:active, .btn:active {
  transform: translateY(0);
}

button:disabled, .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

button.secondary, .btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

button.secondary:hover, .btn-secondary:hover {
  background: var(--border-color);
}

button.danger, .btn-danger {
  background: var(--color-danger);
}

button.danger:hover, .btn-danger:hover {
  background: #dc2626;
}

button.success, .btn-success {
  background: var(--color-success);
}

button.success:hover, .btn-success:hover {
  background: #059669;
}

button.ghost, .btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

button.ghost:hover, .btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Button Sizes */
.btn-sm { padding: 6px 12px; font-size: 0.75rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* Loading Button */
button.loading {
  position: relative;
  color: transparent;
}

button.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   FORMS
   ============================================ */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.form-group label.required::after {
  content: ' *';
  color: var(--color-danger);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
  background: var(--bg-hover);
  cursor: not-allowed;
}

.form-group .error-message {
  color: var(--color-danger);
  font-size: 0.75rem;
  margin-top: var(--space-xs);
}

/* Form States */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--color-danger);
}

.form-group.has-error input:focus,
.form-group.has-error select:focus,
.form-group.has-error textarea:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* ============================================
   TABLES
   ============================================ */

.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--bg-hover);
  white-space: nowrap;
}

tr {
  transition: background-color var(--transition-fast);
}

tbody tr:hover {
  background: var(--bg-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* Empty State */
.table-empty {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
}

/* ============================================
   BADGES
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.badge.draft { background: #e5e7eb; color: #374151; }
.badge.confirmed { background: #dbeafe; color: #1e40af; }
.badge.processing { background: #fef3c7; color: #92400e; }
.badge.fulfilled { background: #d1fae5; color: #065f46; }
.badge.paid { background: #d1fae5; color: #065f46; }
.badge.expired { background: #fee2e2; color: #991b1b; }
.badge.cancelled { background: #e5e7eb; color: #374151; }
.badge.refunded { background: #fce7f3; color: #9d174d; }

/* Role badges */
.badge.role-admin { background: #fce7f3; color: #9d174d; }
.badge.role-manager { background: #dbeafe; color: #1e40af; }
.badge.role-staff { background: #d1fae5; color: #065f46; }

/* Active/Inactive badges */
.badge.active { background: #d1fae5; color: #065f46; }
.badge.inactive { background: #fee2e2; color: #991b1b; }

[data-theme="dark"] .badge.role-admin { background: #831843; color: #fbcfe8; }
[data-theme="dark"] .badge.role-manager { background: #1e3a8a; color: #93c5fd; }
[data-theme="dark"] .badge.role-staff { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .badge.active { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .badge.inactive { background: #7f1d1d; color: #fca5a5; }

[data-theme="dark"] .badge.draft { background: #374151; color: #d1d5db; }
[data-theme="dark"] .badge.confirmed { background: #1e3a8a; color: #93c5fd; }
[data-theme="dark"] .badge.processing { background: #78350f; color: #fcd34d; }
[data-theme="dark"] .badge.fulfilled { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .badge.paid { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .badge.expired { background: #7f1d1d; color: #fca5a5; }
[data-theme="dark"] .badge.cancelled { background: #374151; color: #d1d5db; }
[data-theme="dark"] .badge.refunded { background: #831843; color: #fbcfe8; }

/* ============================================
   PAGINATION
   ============================================ */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.pagination button {
  min-width: 80px;
}

.pagination .info {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   SEARCH BAR
   ============================================ */

.search-bar {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.search-bar input[type="text"] {
  flex: 1;
  min-width: 200px;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.search-bar input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-bar select {
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  min-width: 140px;
}

/* ============================================
   MODALS
   ============================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-modal);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.modal.modal-lg {
  max-width: 1000px;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--space-xs);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

/* ============================================
   TABS
   ============================================ */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--space-lg);
  gap: var(--space-xs);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.tab.active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================
   LOGIN PAGE
   ============================================ */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.login-container {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  padding: var(--space-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.5s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-container h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.5rem;
  color: var(--text-primary);
}

.login-container .form-group {
  margin-bottom: var(--space-lg);
}

.login-container input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.login-container input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-container button {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
}

/* ============================================
   ITEM ROWS (Order Items)
   ============================================ */

.item-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  gap: var(--space-sm);
  align-items: end;
  margin-bottom: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.item-row:hover {
  border-color: var(--color-primary);
}

.item-row label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.item-row input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
}

.item-row input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 400px;
}

.toast {
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: slideInRight 0.3s ease;
  border-left: 4px solid var(--color-primary);
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }
.toast.info { border-left-color: var(--color-info); }

.toast.hiding {
  animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.toast-message {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.toast-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ============================================
   LOADING STATES
   ============================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-hover) 25%,
    var(--border-color) 50%,
    var(--bg-hover) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-sm);
}

.skeleton-title {
  height: 1.5em;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

/* Full page loader */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-body);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  gap: var(--space-lg);
}

.page-loader.hidden {
  display: none;
}

/* ============================================
   THEME TOGGLE
   ============================================ */

.theme-toggle {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.2);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden { display: none !important; }
.invisible { visibility: hidden; }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }

/* Spacing */
.m-0 { margin: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }

/* Text colors */
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-muted { color: var(--text-muted); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .container {
    padding: var(--space-sm);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .item-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  
  .item-row > div:last-child {
    grid-column: 1 / -1;
    text-align: right;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 101;
    background: var(--bg-card);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow);
    width: 44px;
    height: 44px;
  }
  
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-card);
    z-index: 100;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    margin-bottom: 0;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: var(--space-lg);
  }
  
  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav button {
    width: 100%;
    justify-content: flex-start;
  }
  
  .nav button.secondary {
    margin-left: 0;
    margin-top: var(--space-sm);
  }
  
  .app-header {
    padding: var(--space-md);
    margin-top: 60px;
  }
  
  .app-header h1 {
    font-size: 1.5rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .search-bar {
    flex-direction: column;
  }
  
  .search-bar input,
  .search-bar select {
    width: 100%;
  }
  
  .item-row {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .item-row > div {
    width: 100%;
  }
  
  .modal {
    margin: var(--space-sm);
    max-height: calc(100vh - var(--space-lg));
  }
  
  .modal-footer {
    flex-direction: column-reverse;
  }
  
  .modal-footer button {
    width: 100%;
  }
  
  .pagination {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pagination button {
    width: 100%;
  }
  
  /* Mobile Table Cards */
  .table-wrapper table,
  .table-wrapper thead,
  .table-wrapper tbody,
  .table-wrapper th,
  .table-wrapper td,
  .table-wrapper tr {
    display: block;
  }
  
  .table-wrapper thead {
    display: none;
  }
  
  .table-wrapper tr {
    margin-bottom: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--space-md);
    background: var(--bg-card);
  }
  
  .table-wrapper td {
    border: none;
    padding: var(--space-sm) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .table-wrapper td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
  }
  
  .table-wrapper td:last-child {
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-sm);
    padding-top: var(--space-md);
  }
  
  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
    max-width: none;
  }
  
  .theme-toggle {
    bottom: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .stat-card {
    padding: var(--space-md);
  }
  
  .stat-card .number {
    font-size: 1.5rem;
  }
}

/* Mobile Order Detail */
@media (max-width: 768px) {
  .order-detail-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .order-detail-header .order-actions {
    width: 100%;
  }
  
  .order-detail-header .order-actions button {
    flex: 1;
  }
  
  .detail-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0;
  }
  
  .detail-tab {
    padding: 10px 12px;
    font-size: 0.8125rem;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .info-card {
    padding: var(--space-sm);
  }
  
  .batch-operations {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .batch-actions {
    width: 100%;
  }
  
  .batch-actions select,
  .batch-actions button {
    flex: 1;
  }
  
  .pagination-container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pagination-info {
    justify-content: center;
  }
  
  .pagination {
    justify-content: center;
  }
  
  .page-numbers {
    display: none;
  }
  
  .modal.modal-lg {
    margin: var(--space-sm);
    max-height: calc(100vh - var(--space-md));
    width: calc(100% - var(--space-md));
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus visible */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000;
  }
  
  .badge {
    border: 1px solid currentColor;
  }
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   ORDER DETAIL VIEW
   ============================================ */

.order-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.order-detail-header .order-number {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.order-detail-header h3 {
  font-size: 1.5rem;
  margin: 0;
}

.order-detail-header .order-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Detail Tabs */
.detail-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--space-lg);
  gap: var(--space-xs);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.detail-tab {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
}

.detail-tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.detail-tab.active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
  background: none;
}

/* Tab Panels */
.tab-panel {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.info-card {
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md);
  border: 1px solid var(--border-color);
}

.info-card.full-width {
  grid-column: 1 / -1;
}

.info-card h4 {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row.total {
  font-weight: 600;
  font-size: 1.1em;
  border-top: 2px solid var(--border-color);
  border-bottom: none;
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
}

.info-row .label {
  color: var(--text-secondary);
}

.info-row .value {
  font-weight: 500;
}

.notes-text {
  white-space: pre-wrap;
  line-height: 1.6;
  color: var(--text-primary);
}

.payment-link {
  color: var(--color-primary);
  word-break: break-all;
}

.payment-link:hover {
  text-decoration: underline;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
}

.empty-state p {
  margin-bottom: var(--space-md);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -14px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
}

.timeline-item.latest::before {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.timeline-marker {
  margin-bottom: var(--space-xs);
}

.timeline-content {
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md);
}

.timeline-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.timeline-notes {
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

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

/* ============================================
   BATCH OPERATIONS
   ============================================ */

.batch-operations {
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.batch-info {
  font-weight: 600;
  color: var(--text-primary);
}

.batch-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.batch-actions select {
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  min-width: 150px;
}

/* Checkbox Column */
.checkbox-col {
  width: 40px;
  text-align: center;
}

.checkbox-col input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Order Link */
.order-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.order-link:hover {
  text-decoration: underline;
}

/* ============================================
   ENHANCED PAGINATION
   ============================================ */

.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.pagination-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.pagination-info select {
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
}

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.pagination button {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-numbers {
  display: flex;
  gap: var(--space-xs);
}

.page-number {
  min-width: 36px;
  height: 36px;
  padding: 0;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.page-number:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary);
}

.page-number.active {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  gap: var(--space-md);
  color: var(--text-secondary);
}

.loading-state p {
  margin: 0;
}

/* Table Loading */
.table-loading {
  position: relative;
  min-height: 200px;
}

.table-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ============================================
   SCOPE BADGES
   ============================================ */

.scope-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 500;
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  margin: 2px;
  font-family: var(--font-mono);
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
  padding: var(--space-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

.alert-warning {
  background: #fef3c7;
  border: 1px solid #fcd34d;
  color: #92400e;
}

.alert-success {
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  color: #065f46;
}

.alert-error {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

.alert-info {
  background: #dbeafe;
  border: 1px solid #93c5fd;
  color: #1e40af;
}

[data-theme="dark"] .alert-warning {
  background: #78350f;
  border-color: #92400e;
  color: #fcd34d;
}

[data-theme="dark"] .alert-success {
  background: #064e3b;
  border-color: #059669;
  color: #6ee7b7;
}

[data-theme="dark"] .alert-error {
  background: #7f1d1d;
  border-color: #991b1b;
  color: #fca5a5;
}

[data-theme="dark"] .alert-info {
  background: #1e3a8a;
  border-color: #1e40af;
  color: #93c5fd;
}

/* ============================================
   COPY INPUT GROUP
   ============================================ */

.copy-input-group {
  display: flex;
  gap: var(--space-sm);
}

.copy-input-group input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

.copy-input-group button {
  padding: 10px 16px;
  white-space: nowrap;
}

/* ============================================
   CHECKBOX LABEL
   ============================================ */

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  padding: var(--space-sm) 0;
  font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Scope checkboxes */
.scope-checkboxes {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
}

.scope-checkboxes .checkbox-label {
  padding: var(--space-xs) 0;
}

/* ============================================
   MANAGEMENT PAGES
   ============================================ */

/* Admin only nav */
.admin-only {
  display: inline-flex;
}

.admin-only.hidden {
  display: none !important;
}

/* Manager only elements */
.manager-only {
  display: inline-flex;
}

.manager-only.hidden {
  display: none !important;
}

/* Code style */
code {
  font-family: var(--font-mono);
  background: var(--bg-hover);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.875rem;
}

.font-mono {
  font-family: var(--font-mono) !important;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .nav,
  .mobile-menu-toggle,
  .theme-toggle,
  .toast-container,
  button,
  .pagination,
  .batch-operations,
  .detail-tabs,
  .order-actions {
    display: none !important;
  }
  
  body {
    background: white;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
  
  .modal {
    position: static;
    background: white;
    max-height: none;
  }
  
  .tab-panel {
    display: block !important;
  }
}

/* ============================================
   RESPONSIVE MANAGEMENT PAGES
   ============================================ */

@media (max-width: 768px) {
  /* Management page tables */
  #usersTab .table-wrapper td,
  #apiKeysTab .table-wrapper td {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  #usersTab .table-wrapper td::before,
  #apiKeysTab .table-wrapper td::before {
    font-size: 0.6875rem;
  }

  /* Action buttons in tables */
  #usersTab .table-wrapper td[data-label="Action"],
  #apiKeysTab .table-wrapper td[data-label="Action"] {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  #usersTab .table-wrapper td[data-label="Action"] button,
  #apiKeysTab .table-wrapper td[data-label="Action"] button {
    flex: 1;
    min-width: 80px;
  }

  /* Scope badges on mobile */
  .scope-badge {
    font-size: 0.625rem;
    padding: 1px 6px;
  }

  /* Copy input group */
  .copy-input-group {
    flex-direction: column;
  }

  .copy-input-group button {
    width: 100%;
  }

  /* Scope checkboxes */
  .scope-checkboxes {
    padding: var(--space-xs);
  }

  .scope-checkboxes .checkbox-label {
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  /* Small mobile adjustments */
  .badge {
    font-size: 0.625rem;
    padding: 2px 6px;
  }

  .scope-badge {
    display: block;
    margin: 2px 0;
    text-align: center;
  }

  /* Modal adjustments */
  #createUserModal .modal,
  #createApiKeyModal .modal,
  #apiKeyResultModal .modal {
    margin: var(--space-xs);
    max-height: calc(100vh - var(--space-sm));
  }
}

/* ============================================
   REPORTS STYLES
   ============================================ */
.report-filters {
  display: flex;
  gap: var(--space-md);
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.filter-group label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.filter-group input,
.filter-group select {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  min-width: 150px;
}

.report-section {
  margin-top: var(--space-lg);
}

.report-section h3 {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  font-size: 1.25rem;
}

.chart-container {
  position: relative;
  height: 300px;
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}

.chart-container.large {
  height: 400px;
}

.chart-container.half {
  width: 50%;
}

.chart-row {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.chart-row .chart-container {
  flex: 1;
  min-width: 300px;
}

.conversion-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}

.conversion-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm);
  background: var(--bg-body);
  border-radius: var(--radius-sm);
}

.conversion-item span {
  color: var(--text-muted);
}

.conversion-item strong {
  color: var(--color-primary);
  font-size: 1.125rem;
}

.stat-card h4 {
  margin-bottom: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card small {
  display: block;
  margin-top: var(--space-xs);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.mt-2 {
  margin-top: var(--space-lg);
}

.mb-2 {
  margin-bottom: var(--space-lg);
}

/* ============================================
   CUSTOMER DETAIL STYLES
   ============================================ */

.customer-detail {
  max-height: 70vh;
  overflow-y: auto;
}

.detail-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.detail-card h3 {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
  font-size: 1.1rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.detail-item label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-item span {
  font-size: 0.95rem;
  color: var(--text-primary);
}

@media (max-width: 640px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

.text-muted {
  color: var(--text-muted);
}

.compact-table {
  font-size: 0.9rem;
}

.compact-table th,
.compact-table td {
  padding: var(--space-sm);
}

/* ============================================
   MOBILE IMPROVEMENTS
   ============================================ */

/* Fix viewport for mobile */
@viewport {
  width: device-width;
  initial-scale: 1;
  minimum-scale: 1;
  maximum-scale: 5;
}

/* Prevent horizontal overflow */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* Mobile container improvements */
@media (max-width: 768px) {
  .container {
    padding: var(--space-sm);
    max-width: 100%;
  }
  
  /* Fix card padding on mobile */
  .card {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }
  
  /* Smaller app header */
  .app-header {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }
  
  .app-header h1 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
  }
  
  /* Fix report filters on mobile */
  .report-filters {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .report-filters .filter-group {
    width: 100%;
  }
  
  .report-filters input,
  .report-filters select,
  .report-filters button {
    width: 100%;
  }
  
  /* Fix modal for mobile */
  .modal {
    margin: var(--space-sm);
    width: calc(100% - var(--space-lg));
    max-height: calc(100vh - var(--space-lg));
  }
  
  .modal-lg {
    width: calc(100% - var(--space-lg));
  }
  
  .modal-body {
    padding: var(--space-md);
  }
  
  /* Better button stacking */
  .modal-footer {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .modal-footer button {
    width: 100%;
  }
  
  /* Fix batch operations bar */
  .batch-operations {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .batch-actions {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .batch-actions button,
  .batch-actions select {
    flex: 1;
    min-width: 120px;
  }
  
  /* Fix stats grid */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }
  
  .stat-card {
    padding: var(--space-md);
  }
  
  .stat-card .number {
    font-size: 1.5rem;
  }
  
  /* Fix login page on mobile */
  .login-page {
    padding: var(--space-md);
  }
  
  .login-container {
    padding: var(--space-lg);
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: var(--space-xs);
  }
  
  /* Single column stats */
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  /* Smaller cards */
  .card {
    padding: var(--space-sm);
    border-radius: var(--border-radius-sm);
  }
  
  /* Compact nav buttons */
  .nav button {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  /* Smaller badges */
  .badge {
    padding: 2px 6px;
    font-size: 0.7rem;
  }
  
  /* Smaller buttons */
  .btn-sm {
    padding: 4px 8px;
    font-size: 0.75rem;
  }
  
  /* Fix table cards on very small screens */
  .table-wrapper tr {
    padding: var(--space-sm);
  }
  
  .table-wrapper td {
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
  }
  
  /* Smaller modal */
  .modal {
    margin: var(--space-xs);
    width: calc(100% - var(--space-md));
  }
  
  .modal-header {
    padding: var(--space-md);
  }
  
  .modal-header h2 {
    font-size: 1.1rem;
  }
}

/* ============================================
   PRODUCT SUMMARY LIST (Dashboard Today Items)
   ============================================ */

.product-summary-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.product-summary-empty {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.product-summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.product-summary-item:hover {
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transform: translateX(2px);
}

.product-info {
  flex: 1;
  min-width: 0;
}

.product-sku {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.product-name {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-stats {
  display: flex;
  gap: var(--space-lg);
  margin-left: var(--space-md);
}

.product-stats .stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 50px;
}

.product-stats .stat-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.product-stats .stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .product-summary-item {
    padding: var(--space-sm);
  }
  
  .product-stats {
    gap: var(--space-md);
  }
  
  .product-stats .stat-value {
    font-size: 1.1rem;
  }
}