/* TipPay Theme System - Uber Clean Theme */

/* ==================== DEFAULT THEME (UBER CLEAN) ==================== */
:root {
    /* Brand Colors - Uber's signature black, white and green */
    --primary-color: #101828;
    --primary-hover: #333333;
    --primary-light: #4d4d4d;
    --primary-dark: #101828;
    --secondary-color: #00D46A;
    --secondary-hover: #00B359;
    --accent-color: #5FB709;
    
    /* Background Colors - Clean white base */
    --background-gradient-start: #F5F5F5;
    --background-gradient-end: #F5F5F5;
    --background-overlay: rgba(255, 255, 255, 0.98);
    --card-background: #ffffff;
    --card-background-hover: #FAFAFA;
    --card-shadow: rgba(0, 0, 0, 0.08);
    --card-shadow-hover: rgba(0, 0, 0, 0.12);
    
    /* Text Colors - High contrast for readability */
    --text-primary: #101828;
    --text-secondary: #545454;
    --text-tertiary: #8A8A8A;
    --text-inverse: #ffffff;
    --button-text: #ffffff;
    
    /* Border Colors - Subtle and clean */
    --border-color: #EEEEEE;
    --border-color-hover: #D6D6D6;
    --border-color-focus: #101828;
    
    /* Status Colors - Uber-style vibrant colors */
    --success-color: #00D46A;
    --success-light: #E5F9F0;
    --warning-color: #FFC043;
    --warning-light: #FFF5E1;
    --error-color: #FF4B4B;
    --error-light: #FFE8E8;
    --info-color: #1E90FF;
    --info-light: #E3F2FD;
    
    /* Chart Colors */
    --chart-primary: rgba(0, 0, 0, 0.85);
    --chart-secondary: rgba(0, 212, 106, 0.85);
    --chart-color-1: rgba(0, 212, 106, 0.8);
    --chart-color-2: rgba(95, 183, 9, 0.8);
    --chart-color-3: rgba(255, 192, 67, 0.8);
    --chart-color-4: rgba(255, 75, 75, 0.8);
    --chart-color-5: rgba(30, 144, 255, 0.8);
    --chart-color-6: rgba(128, 128, 128, 0.8);
    --chart-grid: rgba(0, 0, 0, 0.06);
    --chart-text: #545454;
    
    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions - Snappy and responsive */
    --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows - Subtle depth */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 32px -8px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.20);
}

/* ==================== ROYAL BANKING THEME ==================== */
body[data-theme="royal"] {
    /* Brand Colors */
    --primary-color: #0A192F;
    --primary-hover: #1e3a5f;
    --primary-light: #2d5a8f;
    --primary-dark: #050c17;
    --secondary-color: #D4AF37;
    --secondary-hover: #C19F2D;
    --accent-color: #8B7355;
    
    /* Background Colors */
    --background-gradient-start: #0A192F;
    --background-gradient-end: #1e3a5f;
    --background-overlay: rgba(10, 25, 47, 0.95);
    --card-background: #1e3a5f;
    --card-background-hover: #2d5a8f;
    --card-shadow: rgba(212, 175, 55, 0.15);
    --card-shadow-hover: rgba(212, 175, 55, 0.25);
    
    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #D4AF37;
    --text-tertiary: #8B7355;
    --text-inverse: #0A192F;
    --button-text: #0A192F;
    
    /* Border Colors */
    --border-color: rgba(212, 175, 55, 0.2);
    --border-color-hover: rgba(212, 175, 55, 0.4);
    --border-color-focus: var(--secondary-color);
    
    /* Status Colors */
    --success-color: #D4AF37;
    --success-light: rgba(212, 175, 55, 0.2);
    --warning-color: #C19F2D;
    --warning-light: rgba(193, 159, 45, 0.2);
    --error-color: #8B7355;
    --error-light: rgba(139, 115, 85, 0.2);
    --info-color: #2d5a8f;
    --info-light: rgba(45, 90, 143, 0.2);
    
    /* Chart Colors */
    --chart-primary: rgba(212, 175, 55, 0.9);
    --chart-secondary: rgba(139, 115, 85, 0.9);
    --chart-color-1: rgba(212, 175, 55, 0.9);
    --chart-color-2: rgba(193, 159, 45, 0.9);
    --chart-color-3: rgba(139, 115, 85, 0.9);
    --chart-color-4: rgba(45, 90, 143, 0.9);
    --chart-color-5: rgba(30, 58, 95, 0.9);
    --chart-color-6: rgba(10, 25, 47, 0.9);
    --chart-grid: rgba(212, 175, 55, 0.1);
    --chart-text: #D4AF37;
    
    /* Typography - Elegant serif for headings */
    --font-family-heading: Georgia, "Times New Roman", serif;
    
    /* Shadows - Gold glow */
    --shadow-sm: 0 1px 2px 0 rgba(212, 175, 55, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(212, 175, 55, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(212, 175, 55, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(212, 175, 55, 0.4);
    --shadow-2xl: 0 25px 50px -12px rgba(212, 175, 55, 0.5);
}

/* ==================== PRIVATE CLUB THEME ==================== */
body[data-theme="club"] {
    /* Brand Colors */
    --primary-color: #1f3d2c;
    --primary-hover: #2d5a42;
    --primary-light: #3d7758;
    --primary-dark: #0f1e16;
    --secondary-color: #CD7F32;
    --secondary-hover: #B76F28;
    --accent-color: #8B4513;
    
    /* Background Colors */
    --background-gradient-start: #1f3d2c;
    --background-gradient-end: #2d5a42;
    --background-overlay: rgba(31, 61, 44, 0.95);
    --card-background: #2d5a42;
    --card-background-hover: #3d7758;
    --card-shadow: rgba(205, 127, 50, 0.15);
    --card-shadow-hover: rgba(205, 127, 50, 0.25);
    
    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #CD7F32;
    --text-tertiary: #8B4513;
    --text-inverse: #1f3d2c;
    --button-text: #1f3d2c;
    
    /* Border Colors */
    --border-color: rgba(205, 127, 50, 0.2);
    --border-color-hover: rgba(205, 127, 50, 0.4);
    --border-color-focus: var(--secondary-color);
    
    /* Status Colors */
    --success-color: #CD7F32;
    --success-light: rgba(205, 127, 50, 0.2);
    --warning-color: #B76F28;
    --warning-light: rgba(183, 111, 40, 0.2);
    --error-color: #8B4513;
    --error-light: rgba(139, 69, 19, 0.2);
    --info-color: #3d7758;
    --info-light: rgba(61, 119, 88, 0.2);
    
    /* Chart Colors */
    --chart-primary: rgba(205, 127, 50, 0.9);
    --chart-secondary: rgba(139, 69, 19, 0.9);
    --chart-color-1: rgba(205, 127, 50, 0.9);
    --chart-color-2: rgba(183, 111, 40, 0.9);
    --chart-color-3: rgba(139, 69, 19, 0.9);
    --chart-color-4: rgba(61, 119, 88, 0.9);
    --chart-color-5: rgba(45, 90, 66, 0.9);
    --chart-color-6: rgba(31, 61, 44, 0.9);
    --chart-grid: rgba(205, 127, 50, 0.1);
    --chart-text: #CD7F32;
    
    /* Typography - Classic serif */
    --font-family-heading: "Playfair Display", Georgia, serif;
    
    /* Shadows - Bronze glow */
    --shadow-sm: 0 1px 2px 0 rgba(205, 127, 50, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(205, 127, 50, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(205, 127, 50, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(205, 127, 50, 0.4);
    --shadow-2xl: 0 25px 50px -12px rgba(205, 127, 50, 0.5);
}

/* ==================== MODERN LUXE THEME ==================== */
body[data-theme="luxe"] {
    /* Brand Colors */
    --primary-color: #121212;
    --primary-hover: #2a2a2a;
    --primary-light: #3a3a3a;
    --primary-dark: #101828;
    --secondary-color: #F7E7CE;
    --secondary-hover: #E8D8BF;
    --accent-color: #C9B99B;
    
    /* Background Colors */
    --background-gradient-start: #121212;
    --background-gradient-end: #1a1a1a;
    --background-overlay: rgba(18, 18, 18, 0.95);
    --card-background: #1a1a1a;
    --card-background-hover: #2a2a2a;
    --card-shadow: rgba(247, 231, 206, 0.1);
    --card-shadow-hover: rgba(247, 231, 206, 0.2);
    
    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #F7E7CE;
    --text-tertiary: #a9a9a9;
    --text-inverse: #121212;
    --button-text: #121212;
    
    /* Border Colors */
    --border-color: rgba(247, 231, 206, 0.15);
    --border-color-hover: rgba(247, 231, 206, 0.3);
    --border-color-focus: var(--secondary-color);
    
    /* Status Colors */
    --success-color: #F7E7CE;
    --success-light: rgba(247, 231, 206, 0.15);
    --warning-color: #E8D8BF;
    --warning-light: rgba(232, 216, 191, 0.15);
    --error-color: #C9B99B;
    --error-light: rgba(201, 185, 155, 0.15);
    --info-color: #3a3a3a;
    --info-light: rgba(58, 58, 58, 0.3);
    
    /* Chart Colors */
    --chart-primary: rgba(247, 231, 206, 0.9);
    --chart-secondary: rgba(201, 185, 155, 0.9);
    --chart-color-1: rgba(247, 231, 206, 0.9);
    --chart-color-2: rgba(232, 216, 191, 0.9);
    --chart-color-3: rgba(201, 185, 155, 0.9);
    --chart-color-4: rgba(169, 169, 169, 0.9);
    --chart-color-5: rgba(58, 58, 58, 0.9);
    --chart-color-6: rgba(42, 42, 42, 0.9);
    --chart-grid: rgba(247, 231, 206, 0.05);
    --chart-text: #F7E7CE;
    
    /* Typography - Modern minimalist */
    --font-family-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-family-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-weight-light: 200;
    --font-weight-normal: 300;
    
    /* Shadows - Subtle beige glow */
    --shadow-sm: 0 1px 2px 0 rgba(247, 231, 206, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(247, 231, 206, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(247, 231, 206, 0.15);
    --shadow-xl: 0 20px 25px -5px rgba(247, 231, 206, 0.2);
    --shadow-2xl: 0 25px 50px -12px rgba(247, 231, 206, 0.3);
}

/* Dark Premium Theme */
[data-theme="premium"] {
    /* Primary Colors - Navy Blue & Gold */
    --primary-color: #1E2947;
    --primary-hover: #2a3555;
    --secondary-color: #CBB353;
    --secondary-hover: #d4be6a;
    
    /* Backgrounds */
    --background-gradient-start: #101828;
    --background-gradient-end: #1E2947;
    --card-background: #1E2947;
    --card-background-hover: #2a3555;
    
    /* Text Colors */
    --text-primary: #F3F0EB;
    --text-secondary: #EEE5DA;
    --text-tertiary: #CBB353;
    --button-text: #101828;
    
    /* Borders & Inputs */
    --border-color: #CBB353;
    --input-background: #2a3555;
    --input-focus: #CBB353;
    
    /* Status Colors */
    --success-color: #CBB353;
    --warning-color: #FFB84D;
    --error-color: #FF6B6B;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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);
    
    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    --font-family-heading: 'Georgia', 'Times New Roman', serif;
    --font-family-mono: 'Courier New', Courier, monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Chart Colors */
    --chart-primary: #CBB353;
    --chart-secondary: #1E2947;
    --chart-color-1: #CBB353;
    --chart-color-2: #d4be6a;
    --chart-color-3: #EEE5DA;
    --chart-color-4: #F3F0EB;
    --chart-color-5: #2a3555;
    --chart-color-6: #213414;
    --chart-grid: rgba(203,179,83,0.15);
    --chart-text: #F3F0EB;
    
    /* Shadows - Gold glow */
    --shadow-sm: 0 1px 2px 0 rgba(203, 179, 83, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(203, 179, 83, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(203, 179, 83, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(203, 179, 83, 0.25);
    --shadow-2xl: 0 25px 50px -12px rgba(203, 179, 83, 0.3);
}

/* ==================== GLOBAL THEME APPLICATIONS ==================== */

body {
    font-family: var(--font-family-primary);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--background-gradient-start) 0%, var(--background-gradient-end) 100%);
    transition: background var(--transition-slow), color var(--transition-fast);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    color: var(--text-primary);
}

/* Card Styles */
.bg-white,
.card,
[class*="bg-white"] {
    background-color: var(--card-background) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.bg-white:hover,
.card:hover {
    background-color: var(--card-background-hover) !important;
    box-shadow: var(--shadow-lg);
}

/* Text Colors */
.text-gray-900,
.text-gray-800 {
    color: var(--text-primary) !important;
}

.text-gray-700,
.text-gray-600 {
    color: var(--text-secondary) !important;
}

.text-gray-500,
.text-gray-400 {
    color: var(--text-tertiary) !important;
}

/* Input Styles */
input,
textarea,
select {
    background-color: var(--card-background) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--border-color-focus) !important;
    box-shadow: 0 0 0 3px rgba(var(--primary-color), 0.1) !important;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary) !important;
}

/* Button Styles */
button {
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-normal);
}

/* Border Styles */
.border,
.border-gray-200,
.border-gray-300 {
    border-color: var(--border-color) !important;
}

/* Shadow Utilities */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-2xl { box-shadow: var(--shadow-2xl) !important; }

/* Rounded Utilities */
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-2xl { border-radius: var(--radius-2xl) !important; }

/* Table Styles */
table {
    color: var(--text-primary);
}

thead {
    background-color: var(--card-background-hover);
    color: var(--text-secondary);
}

tbody tr {
    border-color: var(--border-color);
}

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

/* Modal Backdrop */
.modal-backdrop,
[class*="bg-black"][class*="bg-opacity"] {
    backdrop-filter: blur(4px);
}

/* Theme Switcher Styles */
.theme-switcher {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.theme-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    background: var(--card-background);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    min-width: 200px;
    border: 1px solid var(--border-color);
}

.theme-dropdown.active {
    display: block;
    animation: slideDown 0.2s ease-out;
}

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

.theme-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.theme-option:hover {
    background-color: var(--card-background-hover);
}

.theme-option.active {
    background-color: var(--card-background-hover);
    font-weight: var(--font-weight-semibold);
    border-left: 3px solid var(--secondary-color);
}

.theme-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
}

.current-theme {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card-background);
    color: var(--text-primary);
    padding: 12px 18px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    font-weight: var(--font-weight-medium);
}

.current-theme:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-1px);
}

.chevron-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-normal);
    color: var(--text-secondary);
}

.chevron-icon.rotated {
    transform: rotate(180deg);
}

/* Scrollbar Theming */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--card-background);
}

::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Selection */
::selection {
    background-color: var(--secondary-color);
    color: var(--button-text);
}

/* Link Styles */
a {
    color: var(--secondary-color);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-hover);
}

/* Chart.js Custom Styles - Applied via JavaScript */
.chartjs-render-monitor {
    background-color: transparent !important;
}

/* Status Badges */
.badge-success {
    background-color: var(--success-light);
    color: var(--success-color);
}

.badge-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.badge-error {
    background-color: var(--error-light);
    color: var(--error-color);
}

.badge-info {
    background-color: var(--info-light);
    color: var(--info-color);
}

/* Responsive Typography */
@media (max-width: 768px) {
    :root {
        --font-size-xs: 0.7rem;
        --font-size-sm: 0.8rem;
        --font-size-base: 0.9rem;
        --font-size-lg: 1rem;
        --font-size-xl: 1.125rem;
        --font-size-2xl: 1.25rem;
        --font-size-3xl: 1.5rem;
        --font-size-4xl: 1.875rem;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .theme-switcher,
    button:not(.print-visible) {
        display: none !important;
    }
}
/* ==================== UBER THEME (CLEAN & MODERN) ==================== */
[data-theme="uber"] {
    /* Brand Colors - Uber's signature black, white and green */
    --primary-color: #101828;
    --primary-hover: #333333;
    --primary-light: #4d4d4d;
    --primary-dark: #101828;
    --secondary-color: #00D46A;
    --secondary-hover: #00B359;
    --accent-color: #5FB709;
    
    /* Background Colors - Clean white base */
    --background-gradient-start: #F5F5F5;
    --background-gradient-end: #F5F5F5;
    --background-overlay: rgba(255, 255, 255, 0.98);
    --card-background: #ffffff;
    --card-background-hover: #FAFAFA;
    --card-shadow: rgba(0, 0, 0, 0.08);
    --card-shadow-hover: rgba(0, 0, 0, 0.12);
    
    /* Text Colors - High contrast for readability */
    --text-primary: #101828;
    --text-secondary: #545454;
    --text-tertiary: #8A8A8A;
    --text-inverse: #ffffff;
    --button-text: #ffffff;
    
    /* Border Colors - Subtle and clean */
    --border-color: #EEEEEE;
    --border-color-hover: #D6D6D6;
    --border-color-focus: #101828;
    
    /* Status Colors - Uber-style vibrant colors */
    --success-color: #00D46A;
    --success-light: #E5F9F0;
    --warning-color: #FFC043;
    --warning-light: #FFF5E1;
    --error-color: #FF4B4B;
    --error-light: #FFE8E8;
    --info-color: #1E90FF;
    --info-light: #E3F2FD;
    
    /* Chart Colors */
    --chart-primary: rgba(0, 0, 0, 0.85);
    --chart-secondary: rgba(0, 212, 106, 0.85);
    --chart-color-1: rgba(0, 212, 106, 0.8);
    --chart-color-2: rgba(95, 183, 9, 0.8);
    --chart-color-3: rgba(255, 192, 67, 0.8);
    --chart-color-4: rgba(255, 75, 75, 0.8);
    --chart-color-5: rgba(30, 144, 255, 0.8);
    --chart-color-6: rgba(128, 128, 128, 0.8);
    --chart-grid: rgba(0, 0, 0, 0.06);
    --chart-text: #545454;
    
    /* Typography - Clean and modern */
    --font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-family-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing - Generous for breathing room */
    --spacing-xs: 0.375rem;
    --spacing-sm: 0.625rem;
    --spacing-md: 1.125rem;
    --spacing-lg: 1.75rem;
    --spacing-xl: 2.25rem;
    --spacing-2xl: 3.5rem;
    
    /* Border Radius - Slightly rounded, modern */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.625rem;
    --radius-xl: 0.875rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;
    
    /* Transitions - Snappy and responsive */
    --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows - Subtle depth */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 32px -8px rgba(0, 0, 0, 0.15);
    
    /* Z-Index Layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

[data-theme="uber"] body {
    background: linear-gradient(to bottom, var(--background-gradient-start), var(--background-gradient-end));
    color: var(--text-primary);
    font-weight: var(--font-weight-normal);
}

[data-theme="uber"] .card,
[data-theme="uber"] .modal-content,
[data-theme="uber"] .dropdown-menu {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

[data-theme="uber"] button:not(.ghost):not(.outline) {
    background-color: var(--primary-color);
    color: var(--button-text);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.01em;
    transition: all var(--transition-fast);
}

[data-theme="uber"] button:not(.ghost):not(.outline):hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

[data-theme="uber"] .btn-secondary {
    background-color: var(--secondary-color);
    color: var(--button-text);
}

[data-theme="uber"] .btn-secondary:hover {
    background-color: var(--secondary-hover);
}

[data-theme="uber"] input,
[data-theme="uber"] textarea,
[data-theme="uber"] select {
    border-color: var(--border-color);
    background-color: var(--card-background);
    color: var(--text-primary);
    font-weight: var(--font-weight-normal);
}

[data-theme="uber"] input:focus,
[data-theme="uber"] textarea:focus,
[data-theme="uber"] select:focus {
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

[data-theme="uber"] h1,
[data-theme="uber"] h2,
[data-theme="uber"] h3,
[data-theme="uber"] h4,
[data-theme="uber"] h5,
[data-theme="uber"] h6 {
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

[data-theme="uber"] .text-secondary {
    color: var(--text-secondary);
}

[data-theme="uber"] .text-muted {
    color: var(--text-tertiary);
}

[data-theme="uber"] a {
    color: var(--secondary-color);
    font-weight: var(--font-weight-medium);
}

[data-theme="uber"] a:hover {
    color: var(--secondary-hover);
    text-decoration: none;
}

[data-theme="uber"] .badge {
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.02em;
}

[data-theme="uber"] ::-webkit-scrollbar-thumb {
    background: #D6D6D6;
}

[data-theme="uber"] ::-webkit-scrollbar-thumb:hover {
    background: #BDBDBD;
}

[data-theme="uber"] ::selection {
    background-color: #101828;
    color: var(--button-text);
}

/* Override white text in login page header for Uber theme */
[data-theme="uber"] h1[style*="color: white"],
[data-theme="uber"] p[style*="color: white"] {
    color: #101828 !important;
}