/* Dark Mode Styles */
[data-theme="dark"] {
    /* Modern Dark Mode Color Overrides */
    --primary-color: #60a5fa;
    --primary-light: #93c5fd;
    --primary-dark: #3b82f6;
    --secondary-color: #94a3b8;
    --accent-color: #fbbf24;
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --error-color: #f87171;
    
    /* Modern Dark Background Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    
    /* Modern Dark Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Modern Dark Border Colors */
    --border-color: #334155;
    --border-light: #1e293b;
    
    /* Enhanced Dark Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    
    /* Neutral Colors for Dark Mode */
    --white: #0f172a;
    --light-gray: #1e293b;
    --gray: #94a3b8;
    --dark-gray: #cbd5e1;
    --black: #f8fafc;
}

/* Dark Mode Specific Adjustments */
[data-theme="dark"] .header {
    background-color: rgba(15, 23, 42, 0.8);
    border-bottom-color: var(--border-color);
    backdrop-filter: blur(20px) saturate(180%);
}

[data-theme="dark"] .nav-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-primary);
}


[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-menu li a:hover {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .language-toggle:hover {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .language-menu {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .language-option:hover {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .theme-toggle:hover {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .theme-toggle i {
    transform: rotate(0deg);
}

[data-theme="dark"] .theme-toggle i::before {
    content: "\f185"; /* fa-sun */
}

[data-theme="dark"] .mobile-toggle span {
    background-color: var(--text-primary);
}

/* Enhanced Dark Mode Mobile Menu */
[data-theme="dark"] .nav-menu.nav-menu-open {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px) saturate(150%);
}

[data-theme="dark"] .nav-menu.nav-menu-open .nav-link {
    color: var(--text-primary);
    border-color: transparent;
}

[data-theme="dark"] .nav-menu.nav-menu-open .nav-link::before {
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.15), transparent);
}

[data-theme="dark"] .nav-menu.nav-menu-open .nav-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-primary);
    border-color: var(--primary-light);
    box-shadow: 0 10px 15px -3px rgba(96, 165, 250, 0.3), 0 4px 6px -2px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .nav-menu.nav-menu-open .dropdown-menu {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(15px);
}

[data-theme="dark"] .nav-menu.nav-menu-open .dropdown-menu li a {
    color: var(--text-secondary);
    border-color: transparent;
}

[data-theme="dark"] .nav-menu.nav-menu-open .dropdown-menu li a:hover {
    background-color: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-light);
    box-shadow: 0 1px 2px 0 rgba(96, 165, 250, 0.3);
}

[data-theme="dark"] .mobile-toggle.mobile-toggle-active {
    background-color: var(--primary-color);
    box-shadow: 0 4px 6px -1px rgba(96, 165, 250, 0.3);
}

[data-theme="dark"] .mobile-toggle.mobile-toggle-active span {
    background-color: var(--bg-primary);
}

[data-theme="dark"] .mobile-toggle:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

/* Dark Mode Brand Styling */
[data-theme="dark"] .nav-brand .brand-link {
    color: var(--text-primary);
}

[data-theme="dark"] .nav-brand .brand-link::before {
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.08), transparent);
}

[data-theme="dark"] .nav-brand .brand-link:hover {
    background: rgba(96, 165, 250, 0.04);
}

[data-theme="dark"] .brand-text h1 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 50%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .brand-text h1::after {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

[data-theme="dark"] .brand-text .tagline {
    color: var(--text-muted);
}

[data-theme="dark"] .brand-text .tagline::before {
    color: var(--primary-color);
}

[data-theme="dark"] .nav-brand .brand-link:hover .brand-text .tagline {
    color: var(--primary-light);
}

[data-theme="dark"] .brand-logo {
    border-color: rgba(96, 165, 250, 0.1);
}

[data-theme="dark"] .nav-brand .brand-link:hover .brand-logo {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

/* Dark Mode Hero Section */
[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

[data-theme="dark"] .hero.has-background {
    background-image: var(--hero-bg-image);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

[data-theme="dark"] .hero::before {
    background: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .hero.has-background::before {
    background: rgba(0, 0, 0, var(--hero-overlay-opacity, 0.5));
}

/* Dark Mode Cards */
[data-theme="dark"] .card {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .card::before {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.08) 0%, rgba(251, 191, 36, 0.08) 100%);
}

[data-theme="dark"] .card:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* Dark Mode Buttons */
[data-theme="dark"] .btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--bg-primary);
}

[data-theme="dark"] .btn-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

[data-theme="dark"] .btn-gradient:hover {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
}

/* Dark Mode Footer Adjustments */
[data-theme="dark"] .footer {
    background-color: #020617;
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer-section h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .footer-section p {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-links a {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-links a:hover {
    color: var(--text-primary);
}

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

[data-theme="dark"] .contact-item i {
    color: var(--primary-light);
}

[data-theme="dark"] .footer-bottom {
    border-top-color: var(--border-color);
}

[data-theme="dark"] .footer-bottom p {
    color: var(--text-muted);
}

[data-theme="dark"] .footer-bottom-links a {
    color: var(--text-muted);
}

[data-theme="dark"] .footer-bottom-links a:hover {
    color: var(--text-primary);
}

/* Dark Mode Forms */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(90, 123, 196, 0.25);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted);
}

/* Dark Mode Tables */
[data-theme="dark"] table {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] th {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] td {
    border-color: var(--border-color);
}

[data-theme="dark"] tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* Dark Mode Code Blocks */
[data-theme="dark"] code {
    background-color: var(--bg-tertiary);
    color: var(--accent-color);
}

[data-theme="dark"] pre {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

/* Dark Mode Alerts/Notifications */
[data-theme="dark"] .alert {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border-color: var(--success-color);
    color: #4caf50;
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-color: var(--warning-color);
    color: #ffc107;
}

[data-theme="dark"] .alert-error {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: var(--error-color);
    color: #f44336;
}

/* Dark Mode Images */
[data-theme="dark"] img {
    opacity: 0.9;
}

[data-theme="dark"] img:hover {
    opacity: 1;
}

/* Dark Mode Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Dark Mode Selection */
[data-theme="dark"] ::selection {
    background-color: var(--primary-color);
    color: var(--bg-primary);
}

[data-theme="dark"] ::-moz-selection {
    background-color: var(--primary-color);
    color: var(--bg-primary);
}

/* Dark Mode Transitions */
[data-theme="dark"] * {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Dark Mode Media Queries for System Preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary-color: #5a7bc4;
        --primary-light: #6b8dd6;
        --primary-dark: #4469ad;
        --secondary-color: #8796b3;
        --accent-color: #fbb13c;
        
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d30;
        --bg-tertiary: #3e3e42;
        
        --text-primary: #ffffff;
        --text-secondary: #e0e0e0;
        --text-muted: #b0b0b0;
        
        --border-color: #3e3e42;
        --border-light: #2d2d30;
        
        --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
        --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.5);
        
        --white: #1a1a1a;
        --light-gray: #2d2d30;
        --gray: #8796b3;
        --dark-gray: #e0e0e0;
        --black: #ffffff;
    }
}

/* Dark Mode Animation */
@keyframes darkModeTransition {
    0% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(0.8);
    }
    100% {
        filter: brightness(1);
    }
}

[data-theme="dark"] body {
    animation: darkModeTransition 0.5s ease-in-out;
}

/* Dark Mode Print Styles */
@media print {
    [data-theme="dark"] {
        --bg-primary: #ffffff;
        --bg-secondary: #f8f9fa;
        --text-primary: #212529;
        --text-secondary: #6c757d;
    }
}