/* Premium Restaurant Ordering System Styling
   Created with love for the ultimate user experience */

/* Modern Color System with Extended Palette */
:root {
    /* Primary colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Accent colors */
    --accent-50: #f5f3ff;
    --accent-100: #ede9fe;
    --accent-200: #ddd6fe;
    --accent-300: #c4b5fd;
    --accent-400: #a78bfa;
    --accent-500: #8b5cf6;
    --accent-600: #7c3aed;
    --accent-700: #6d28d9;
    --accent-800: #5b21b6;
    --accent-900: #4c1d95;
    
    /* Success colors */
    --success-50: #ecfdf5;
    --success-100: #d1fae5;
    --success-200: #a7f3d0;
    --success-300: #6ee7b7;
    --success-400: #34d399;
    --success-500: #10b981;
    --success-600: #059669;
    --success-700: #047857;
    --success-800: #065f46;
    --success-900: #064e3b;
    
    /* Danger colors */
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;
    --danger-800: #991b1b;
    --danger-900: #7f1d1d;
    
    /* Warning colors */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    --warning-800: #92400e;
    --warning-900: #78350f;
    
    /* Gray scale */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Alias colors for semantic use */
    --primary: var(--primary-600);
    --primary-dark: var(--primary-700);
    --secondary: var(--gray-900);
    --accent: var(--accent-500);
    --success: var(--success-500);
    --danger: var(--danger-500);
    --warning: var(--warning-500);
    --light: var(--gray-50);
    --dark: var(--gray-900);
    
    /* System settings */
    --border-radius-sm: 6px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Special effects */
    --glass-effect: rgba(255, 255, 255, 0.25);
    --glass-effect-dark: rgba(15, 23, 42, 0.25);
    --backdrop-blur: blur(16px);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  
  /* Custom scrollbar for webkit browsers */
  ::-webkit-scrollbar {
    width: 14px;
    height: 14px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--border-radius-full);
  }
  
  ::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--primary-300), var(--primary-500));
    border-radius: var(--border-radius-full);
    border: 3px solid var(--gray-100);
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, var(--primary-400), var(--primary-600));
  }
  
  /* Base styles */
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    font-size: 16px;
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light);
    color: var(--gray-700);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    font-weight: 400;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
  }
  
  /* Subtle background pattern */
  body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
      radial-gradient(var(--primary-200) 1px, transparent 1px),
      radial-gradient(var(--primary-200) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
    opacity: 0.1;
    z-index: -1;
    pointer-events: none;
  }
  
  /* Subtle gradient overlay */
  body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-200) 0%, transparent 40%, var(--accent-100) 100%);
    opacity: 0.1;
    z-index: -1;
    pointer-events: none;
  }
  
  /* Container */
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    animation: fadeIn 0.6s ease-out forwards;
    position: relative;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 1.5rem;
    transition: color var(--transition-normal);
    letter-spacing: -0.025em;
  }
  
  h1 {
    font-size: 3.5rem;
    font-weight: 800;
    text-align: center;
    margin: 3rem 0;
    color: var(--gray-900);
    background: linear-gradient(135deg, var(--primary-600), var(--accent-500));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.03em;
    position: relative;
    transition: transform var(--transition-normal);
  }
  
  h1::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: linear-gradient(to right, var(--primary-500), var(--accent-500));
    border-radius: var(--border-radius-full);
    box-shadow: 0 3px 10px rgba(139, 92, 246, 0.3);
    transition: width var(--transition-normal), box-shadow var(--transition-normal);
  }
  
  h1:hover {
    transform: translateY(-2px);
  }
  
  h1:hover::after {
    width: 120px;
    box-shadow: 0 3px 15px rgba(139, 92, 246, 0.5);
  }
  
  h2 {
    font-size: 2.25rem;
    color: var(--gray-800);
    text-align: center;
    margin: 2rem 0;
    position: relative;
    display: inline-block;
    width: 100%;
  }
  
  h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-400), var(--primary-500));
    border-radius: var(--border-radius-full);
    transition: width var(--transition-normal);
  }
  
  h2:hover::after {
    width: 100px;
  }
  
  p {
    margin-top: 0;
    margin-bottom: 1.5rem;
    line-height: 1.7;
  }
  
  /* Card styles */
  .card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    position: relative;
    z-index: 1;
  }
  
  .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-50), var(--accent-50));
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-normal);
  }
  
  .card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: var(--primary-200);
  }
  
  .card:hover::before {
    opacity: 0.5;
  }
  
  /* Button styles */
  .btn {
    display: inline-block;
    font-weight: 600;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    border: none;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    z-index: 1;
    letter-spacing: 0.025em;
  }
  
  .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
    z-index: -1;
  }
  
  .btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.1));
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    z-index: -1;
  }
  
  .btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  
  .btn:hover::before {
    transform: translateY(0);
  }
  
  .btn:hover::after {
    transform: translateY(0);
  }
  
  .btn:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
  }
  
  .btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
  }
  
  .btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  }
  
  .btn-secondary {
    background: linear-gradient(135deg, var(--gray-700), var(--gray-800));
    color: white;
  }
  
  .btn-secondary:hover {
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
  }
  
  .btn-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    color: white;
  }
  
  .btn-success:hover {
    background: linear-gradient(135deg, var(--success-600), var(--success-700));
  }
  
  .btn-danger {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600));
    color: white;
  }
  
  .btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-600), var(--danger-700));
  }
  
  .btn-outline {
    background: transparent;
    border: 2px solid var(--primary-500);
    color: var(--primary-600);
    box-shadow: none;
  }
  
  .btn-outline:hover {
    background: var(--primary-50);
    color: var(--primary-700);
    border-color: var(--primary-400);
  }
  
  .btn-block {
    display: block;
    width: 100%;
  }
  
  /* Advanced button with icon support */
  .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
  }
  
  .btn-icon svg, .btn-icon img {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--transition-normal);
  }
  
  .btn-icon:hover svg, .btn-icon:hover img {
    transform: translateX(2px);
  }
  
  /* Special gradient text button */
  .btn-gradient-text {
    background: transparent;
    box-shadow: none;
    font-weight: 600;
    color: var(--gray-900);
    padding: 0.5rem 1rem;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    border: none;
    transition: transform var(--transition-normal);
  }
  
  .btn-gradient-text:hover {
    box-shadow: none;
    transform: translateY(-1px);
  }
  
  /* Table container */
  .table-container {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin: 1.5rem 0;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
  }
  
  .table-container:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
  }
  
  /* Table styles */
  table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    font-variant-numeric: tabular-nums;
  }
  
  thead {
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  th {
    background: linear-gradient(to right, var(--primary-600), var(--primary-500));
    color: white;
    font-weight: 600;
    padding: 1.25rem 1rem;
    text-align: left;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
  }
  
  th:first-child {
    border-top-left-radius: var(--border-radius-sm);
  }
  
  th:last-child {
    border-top-right-radius: var(--border-radius-sm);
  }
  
  th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
  }
  
  td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
    transition: background-color var(--transition-fast);
  }
  
  tr:last-child td {
    border-bottom: none;
  }
  
  tr {
    transition: all var(--transition-fast);
  }
  
  tr:hover {
    background-color: var(--primary-50);
  }
  
  tr:hover td {
    color: var(--primary-900);
  }
  
  /* Alternating row colors for better readability */
  tbody tr:nth-child(even) {
    background-color: var(--gray-50);
  }
  
  tbody tr:nth-child(even):hover {
    background-color: var(--primary-50);
  }
  
  /* Form styles */
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: color var(--transition-fast);
  }
  
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"],
  textarea,
  select {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-700);
    background-color: white;
    background-clip: padding-box;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    appearance: none;
    box-shadow: var(--shadow-sm);
  }
  
  input[type="text"]:focus,
  input[type="number"]:focus,
  input[type="email"]:focus,
  input[type="password"]:focus,
  textarea:focus,
  select:focus {
    border-color: var(--primary-400);
    outline: 0;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
    color: var(--gray-900);
  }
  
  /* Custom checkbox and radio styles */
  input[type="checkbox"],
  input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.5rem;
    border-radius: 4px;
    border: 2px solid var(--gray-400);
    cursor: pointer;
    appearance: none;
    vertical-align: middle;
    background-color: white;
    transition: all var(--transition-normal);
    position: relative;
  }
  
  input[type="radio"] {
    border-radius: 50%;
  }
  
  input[type="checkbox"]:checked,
  input[type="radio"]:checked {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
  }
  
  input[type="checkbox"]:focus,
  input[type="radio"]:focus {
    outline: 0;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
  }
  
  input[type="checkbox"]:checked::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.5rem;
    height: 0.9rem;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: translate(-50%, -55%) rotate(45deg);
  }
  
  input[type="radio"]:checked::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.5rem;
    height: 0.5rem;
    background-color: white;
    border-radius: 50%;
  }
  
  /* Form input number specific styles */
  input[type="number"] {
    -moz-appearance: textfield; /* Firefox */
  }
  
  input[type="number"]::-webkit-outer-spin-button,
  input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  
  /* Custom number input with buttons */
  .number-input {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 120px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  
  .number-input input {
    text-align: center;
    border-radius: 0;
    border: 1px solid var(--gray-300);
    margin: 0;
    height: 100%;
    z-index: 1;
  }
  
  .number-input button {
    width: 2.5rem;
    height: 100%;
    background-color: var(--gray-100);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .number-input button:hover {
    background-color: var(--primary-100);
    color: var(--primary-700);
  }
  
  .number-input button:first-child {
    border-right: none;
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
  }
  
  .number-input button:last-child {
    border-left: none;
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
  }
  
  /* Navigation styles */
  .nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
  }
  
  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: var(--gray-700);
    background-color: white;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  
  .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-50) 0%, var(--primary-100) 100%);
    opacity: 0;
    transform: translateY(100%);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    z-index: -1;
  }
  
  .nav-link:hover {
    color: var(--primary-700);
    border-color: var(--primary-300);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  
  .nav-link:hover::before {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-link svg, .nav-link img {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--transition-normal);
  }
  
  .nav-link:hover svg, .nav-link:hover img {
    transform: translateX(3px);
  }
  
  /* Enhanced grid layout */
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
  }
  
  /* Flex utilities */
  .flex {
    display: flex;
  }
  
  .items-center {
    align-items: center;
  }
  
  .justify-between {
    justify-content: space-between;
  }
  
  .justify-center {
    justify-content: center;
  }
  
  .flex-col {
    flex-direction: column;
  }
  
  .gap-2 {
    gap: 0.5rem;
  }
  
  .gap-4 {
    gap: 1rem;
  }
  
  .gap-6 {
    gap: 1.5rem;
  }
  
  /* Spacing utilities */
  .m-0 {
    margin: 0;
  }
  
  .mb-2 {
    margin-bottom: 0.5rem;
  }
  
  .mb-4 {
    margin-bottom: 1rem;
  }
  
  .mb-6 {
    margin-bottom: 1.5rem;
  }
  
  .mt-2 {
    margin-top: 0.5rem;
  }
  
  .mt-4 {
    margin-top: 1rem;
  }
  
  .mt-6 {
    margin-top: 1.5rem;
  }
  
  .p-2 {
    padding: 0.5rem;
  }
  
  .p-4 {
    padding: 1rem;
  }
  
  .p-6 {
    padding: 1.5rem;
  }
  
  /* Alert styles */
  .alert {
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-weight: 500;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    animation: slideInDown 0.4s var(--transition-bounce);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .alert::before {
    content: '';
    width: 24px;
    height: 24px;
    margin-right: 0.75rem;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
  }
  
  @keyframes slideInDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  
  .alert-success {
    background-color: var(--success-50);
    color: var(--success-800);
    border-color: var(--success-200);
    border-left: 5px solid var(--success-500);
  }
  
  .alert-success::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2310b981'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
  }
  
  .alert-error {
    background-color: var(--danger-50);
    color: var(--danger-800);
    border-color: var(--danger-200);
    border-left: 5px solid var(--danger-500);
  }
  
  .alert-error::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ef4444'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 11c-.55 0-1-.45-1-1V8c0-.55.45-1 1-1s1 .45 1 1v4c0 .55-.45 1-1 1zm1 4h-2v-2h2v2z'/%3E%3C/svg%3E");
  }
  
  .alert-warning {
    background-color: var(--warning-50);
    color: var(--warning-800);
    border-color: var(--warning-200);
    border-left: 5px solid var(--warning-500);
  }
  
  .alert-warning::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23f59e0b'%3E%3Cpath d='M12 5.99L19.53 19H4.47L12 5.99M12 2L1 21h22L12 2zm1 14h-2v2h2v-2zm0-6h-2v4h2v-4z'/%3E%3C/svg%3E");
  }
  
  .alert-info {
    background-color: var(--primary-50);
    color: var(--primary-800);
    border-color: var(--primary-200);
    border-left: 5px solid var(--primary-500);
  }
  
  .alert-info::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%233b82f6'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E");
  }
  
  /* Modal/Popup styles */
  .modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.75);
    display: none;
    justify-content: center;
    align-items: center;
    backdrop-filter: var(--backdrop-blur);
    z-index: 1000;
  }
  
  .modal-backdrop.show {
    display: flex;
    animation: fadeIn 0.4s ease-out;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  .modal {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    width: 92%;
    max-width: 550px;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    animation: modalEnter 0.5s var(--transition-bounce) forwards;
    position: relative;
    overflow: hidden;
  }
  
  .modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(to right, var(--primary-500), var(--accent-500));
  }
  
  @keyframes modalEnter {
    0% { transform: scale(0.9); opacity: 0; }
    70% { transform: scale(1.02); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
  }
  
  .modal-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
  }
  
  .modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  
  .modal-title::before {
    content: '';
    display: block;
    width: 1.5rem;
    height: 1.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%233b82f6'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E");
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
  }
  
  .modal-body {
    margin-bottom: 2rem;
    font-size: 1.125rem;
    line-height: 1.7;
  }
  
  .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
  }
  
  /* Order item styles */
  .order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--gray-200);
    transition: background-color var(--transition-fast);
  }
  
  .order-item:hover {
    background-color: var(--gray-50);
  }
  
  .order-item:last-child {
    border-bottom: none;
  }
  
  .order-total {
    display: flex;
    justify-content: space-between;
    padding-top: 1.5rem;
    margin-top: 1.5rem;
    border-top: 2px solid var(--gray-300);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-700);
  }
  
  /* Language switcher */
  .lang-switcher {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2.5rem;
  }
  
  .lang-switcher a {
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    color: var(--gray-600);
    background-color: white;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  
  .lang-switcher a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-500), var(--accent-500));
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-normal);
  }
  
  .lang-switcher a:hover {
    color: white;
    border-color: var(--primary-500);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  
  .lang-switcher a:hover::before {
    opacity: 1;
  }
  
  /* Table card grid for index.html */
  .table-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
  }
  
  .table-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: white;
    height: 180px;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    z-index: 1;
  }
  
  .table-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    opacity: 0;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    z-index: -1;
    transform: scale(1.1);
  }
  
  .table-card:hover {
    transform: translateY(-7px) scale(1.03);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 255, 255, 0.2);
  }
  
  .table-card:hover::before {
    opacity: 0.9;
    transform: scale(1);
  }
  
  .table-card span {
    position: relative;
    z-index: 2;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-800);
    text-align: center;
    transition: color var(--transition-normal), transform var(--transition-normal);
  }
  
  .table-card:hover span {
    color: white;
    transform: scale(1.1);
  }
  
  /* Subtle table card background pattern */
  .table-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
      radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 20%),
      radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 20%);
    opacity: 0.5;
    z-index: -1;
    transition: opacity var(--transition-normal);
  }
  
  .table-card:hover::after {
    opacity: 0;
  }
  
  /* Product card grid */
  .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
  }
  
  .product-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    position: relative;
  }
  
  .product-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
  }
  
  .product-card-body {
    padding: 2rem;
  }
  
  .product-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--gray-800);
  }
  
  .product-card-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-600);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
  }
  
  .product-card-price small {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-500);
  }
  
  /* Custom animations */
  @keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
  }
  
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }
  
  @keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
  }
  
  .animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  }
  
  .animate-float {
    animation: float 5s ease-in-out infinite;
  }
  
  .animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
  }
  
  /* Footer */
  .footer {
    margin-top: auto;
    padding: 2.5rem 0;
    text-align: center;
    color: var(--gray-500);
    border-top: 1px solid var(--gray-200);
    background-color: white;
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
  }
  
  .footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
      radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.03) 0%, transparent 25%),
      radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.03) 0%, transparent 25%);
    z-index: -1;
  }
  
  .footer p {
    margin-bottom: 0;
    font-size: 0.95rem;
    font-weight: 500;
  }
  
  /* Text utilities */
  .text-center {
    text-align: center;
  }
  
  .text-right {
    text-align: right;
  }
  
  .text-left {
    text-align: left;
  }
  
  .font-bold {
    font-weight: 700;
  }
  
  .font-semibold {
    font-weight: 600;
  }
  
  .font-medium {
    font-weight: 500;
  }
  
  .text-sm {
    font-size: 0.875rem;
  }
  
  .text-lg {
    font-size: 1.125rem;
  }
  
  .text-xl {
    font-size: 1.25rem;
  }
  
  .text-2xl {
    font-size: 1.5rem;
  }
  
  .text-primary {
    color: var(--primary-600);
  }
  
  .text-secondary {
    color: var(--gray-800);
  }
  
  .text-accent {
    color: var(--accent-500);
  }
  
  .text-success {
    color: var(--success-600);
  }
  
  .text-danger {
    color: var(--danger-600);
  }
  
  .text-warning {
    color: var(--warning-600);
  }
  
  /* Special components */
  .badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  .badge-primary {
    background-color: var(--primary-100);
    color: var(--primary-800);
  }
  
  .badge-success {
    background-color: var(--success-100);
    color: var(--success-800);
  }
  
  .badge-danger {
    background-color: var(--danger-100);
    color: var(--danger-800);
  }
  
  .badge-warning {
    background-color: var(--warning-100);
    color: var(--warning-800);
  }
  
  /* Card with highlight styles */
  .card-highlight {
    position: relative;
    border-top: 4px solid var(--primary-500);
  }
  
  .card-highlight::before {
    content: '';
    position: absolute;
    top: -4px;
    right: 20px;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-500), var(--accent-500));
  }
  
  /* Custom styles for specific components */
  
  /* Remove item button in order table */
  .remove-item {
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    background: var(--danger-50);
    color: var(--danger-700);
    border: 1px solid var(--danger-200);
    box-shadow: none;
  }
  
  .remove-item:hover {
    background: var(--danger-500);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }
  
  /* Responsive utilities */
  @media (max-width: 1024px) {
    h1 {
      font-size: 2.75rem;
    }
    
    h2 {
      font-size: 2rem;
    }
  
    .container {
      padding: 2rem 1.5rem;
    }
  }
  
  @media (max-width: 768px) {
    body {
      font-size: 0.95rem;
    }
    
    h1 {
      font-size: 2.25rem;
    }
    
    h2 {
      font-size: 1.75rem;
    }
    
    .container {
      padding: 1.5rem 1rem;
    }
    
    .table-grid, .product-grid {
      grid-template-columns: 1fr;
    }
    
    .nav {
      flex-direction: column;
    }
    
    .nav-link {
      width: 100%;
      text-align: center;
    }
    
    .btn-group {
      flex-direction: column;
    }
    
    .card {
      padding: 1.5rem;
    }
    
    .modal {
      padding: 1.5rem;
    }
    
    .lang-switcher {
      flex-wrap: wrap;
    }
    
    table, thead, tbody, th, td, tr {
      display: block;
    }
    
    thead tr {
      position: absolute;
      top: -9999px;
      left: -9999px;
    }
    
    tr {
      border: 1px solid var(--gray-300);
      margin-bottom: 1rem;
      border-radius: var(--border-radius);
      overflow: hidden;
    }
    
    td {
      border: none;
      border-bottom: 1px solid var(--gray-200);
      position: relative;
      padding-left: 50%;
      text-align: right;
    }
    
    td:before {
      position: absolute;
      top: 50%;
      left: 1rem;
      transform: translateY(-50%);
      width: 45%;
      padding-right: 1rem;
      white-space: nowrap;
      content: attr(data-label);
      font-weight: 600;
      text-align: left;
      color: var(--gray-700);
    }
    
    td:last-child {
      border-bottom: none;
    }
    
    .table-responsive {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }
  }
  
  @media (max-width: 480px) {
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.5rem;
    }
    
    .card, .modal {
      padding: 1.25rem;
    }
    
    .btn {
      padding: 0.75rem 1.25rem;
    }
    
    .container {
      padding: 1rem;
    }
  }
  
  /* Dark theme support with enhanced visual refinements */
  @media (prefers-color-scheme: dark) {
    :root {
      --light: var(--gray-900);
      --dark: var(--gray-50);
      --shadow-color: rgba(0, 0, 0, 0.25);
    }
    
    body {
      background-color: var(--gray-900);
      color: var(--gray-300);
    }
    
    body::before {
      background-image: 
        radial-gradient(var(--primary-800) 1px, transparent 1px),
        radial-gradient(var(--primary-800) 1px, transparent 1px);
      opacity: 0.05;
    }
    
    body::after {
      background: linear-gradient(135deg, var(--primary-900) 0%, transparent 40%, var(--accent-900) 100%);
      opacity: 0.05;
    }
    
    .card, .table-card, .product-card, .nav-link, .table-container, .modal, input, select, textarea {
      background-color: var(--gray-800);
      border-color: var(--gray-700);
    }
    
    tr:nth-child(even) {
      background-color: var(--gray-800);
    }
    
    tr:hover {
      background-color: var(--gray-700);
    }
    
    th {
      background: linear-gradient(to right, var(--primary-800), var(--primary-700));
    }
    
    td {
      border-color: var(--gray-700);
    }
    
    h1, h2, h3, h4, h5, h6 {
      color: var(--gray-100);
    }
    
    .btn-outline {
      color: var(--primary-400);
      border-color: var(--primary-700);
    }
    
    .btn-outline:hover {
      background: rgba(59, 130, 246, 0.1);
      color: var(--primary-300);
    }
    
    input, select, textarea {
      color: var(--gray-200);
      border-color: var(--gray-600);
    }
    
    input:focus, select:focus, textarea:focus {
      border-color: var(--primary-500);
      box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.25);
    }
    
    .nav-link {
      color: var(--gray-300);
    }
    
    .nav-link:hover {
      color: var(--primary-400);
      border-color: var(--primary-600);
    }
    
    .table-card span {
      color: var(--gray-200);
    }
    
    .product-card-title {
      color: var(--gray-200);
    }
    
    .product-card-price {
      color: var(--primary-400);
    }
    
    .alert-success {
      background-color: rgba(6, 95, 70, 0.2);
      color: var(--success-300);
      border-color: var(--success-800);
    }
    
    .alert-error {
      background-color: rgba(153, 27, 27, 0.2);
      color: var(--danger-300);
      border-color: var(--danger-800);
    }
    
    .alert-warning {
      background-color: rgba(146, 64, 14, 0.2);
      color: var(--warning-300);
      border-color: var(--warning-800);
    }
    
    .alert-info {
      background-color: rgba(30, 64, 175, 0.2);
      color: var(--primary-300);
      border-color: var(--primary-800);
    }
    
    .modal-header, .modal-footer {
      border-color: var(--gray-700);
    }
    
    .footer {
      background-color: var(--gray-900);
      border-color: var(--gray-700);
      color: var(--gray-400);
    }
    
    .lang-switcher a {
      background-color: var(--gray-800);
      color: var(--gray-300);
      border-color: var(--gray-700);
    }
    
    .order-total {
      color: var(--primary-400);
      border-color: var(--gray-700);
    }
    
    .badge-primary {
      background-color: rgba(59, 130, 246, 0.2);
      color: var(--primary-300);
    }
    
    .badge-success {
      background-color: rgba(16, 185, 129, 0.2);
      color: var(--success-300);
    }
    
    .badge-danger {
      background-color: rgba(239, 68, 68, 0.2);
      color: var(--danger-300);
    }
    
    .badge-warning {
      background-color: rgba(245, 158, 11, 0.2);
      color: var(--warning-300);
    }
    
    ::-webkit-scrollbar-track {
      background: var(--gray-800);
    }
    
    ::-webkit-scrollbar-thumb {
      background: linear-gradient(to bottom, var(--primary-700), var(--primary-900));
      border: 3px solid var(--gray-800);
    }
    
    ::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(to bottom, var(--primary-600), var(--primary-800));
    }
  }
  
  /* Custom animations for page transitions */
  @keyframes slideFromLeft {
    from { transform: translateX(-30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }
  
  @keyframes slideFromRight {
    from { transform: translateX(30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }
  
  @keyframes slideFromBottom {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  
  .animate-left {
    animation: slideFromLeft 0.5s var(--transition-normal) forwards;
  }
  
  .animate-right {
    animation: slideFromRight 0.5s var(--transition-normal) forwards;
  }
  
  .animate-bottom {
    animation: slideFromBottom 0.5s var(--transition-normal) forwards;
  }
  
  /* Print styles for the bill */
  @media print {
    body {
      background: white;
      color: black;
      font-size: 12pt;
    }
    
    .container {
      width: 100%;
      max-width: none;
      padding: 0;
    }
    
    h1 {
      font-size: 24pt;
      color: black;
      margin: 1cm 0;
    }
    
    .card {
      border: none;
      box-shadow: none;
      padding: 0;
    }
    
    .nav, .lang-switcher, .footer, .btn {
      display: none;
    }
    
    .table-container {
      box-shadow: none;
      border: 1px solid #333;
    }
    
    table {
      width: 100%;
      border-collapse: collapse;
    }
    
    th {
      background: white;
      color: black;
      border-bottom: 2px solid #333;
    }
    
    td {
      border-bottom: 1px solid #777;
    }
    
    .order-total {
      font-size: 14pt;
      border-top: 2px solid #333;
      padding-top: 0.5cm;
    }
    
    @page {
      margin: 2cm;
    }
  }

  /* Enhanced responsive styles for order display */

/* Card adjustments */
.order-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
  }
  
  /* Order header with better mobile spacing */
  .order-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.25rem;
  }
  
  .order-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
  }
  
  /* Empty order message */
  .empty-order {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
    color: var(--gray-500);
    font-style: italic;
    text-align: center;
    background-color: var(--gray-50);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
  }
  
  /* Order total area */
  .order-total-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin-top: 1rem;
    border-top: 2px solid var(--gray-200);
  }
  
  .order-total-label {
    font-weight: 600;
    color: var(--gray-700);
  }
  
  .order-total-amount {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-700);
  }
  
  /* Responsive table adjustments */
  @media (max-width: 768px) {
    /* Better display for "No current order" message */
    .empty-order {
      padding: 1.5rem 1rem;
    }
    
    /* Improved total display for mobile */
    .order-total-container {
      flex-direction: column;
      gap: 0.5rem;
      text-align: center;
    }
    
    .order-total-amount {
      font-size: 1.5rem;
    }
    
    /* Improved table styling for responsive view */
    #order-table td {
      text-align: right;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.75rem 1rem;
    }
    
    #order-table td:before {
      content: attr(data-label);
      font-weight: 600;
      position: static;
      transform: none;
      padding-right: 0;
      color: var(--gray-700);
    }
  }
  
  /* Additional small screen adjustments */
  @media (max-width: 480px) {
    .order-card {
      padding: 1rem;
    }
    
    .order-header h2 {
      font-size: 1.25rem;
    }
  }