:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #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-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] .navbar-glass {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(12px);
}

[data-theme="dark"] .glass-card {
    background: rgba(30, 41, 59, 0.7) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .btn-glass {
    background: rgba(30, 41, 59, 0.6) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: white !important;
}

[data-theme="dark"] .section {
    background: var(--bg-secondary) !important;
}

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

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

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

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

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

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

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

[data-theme="dark"] .footer a:hover {
    color: white;
}

[data-theme="dark"] .form-group label {
    color: var(--text-primary);
}

[data-theme="dark"] .form-control {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus {
    border-color: #6366f1;
    background: var(--bg-secondary);
}

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

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

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

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

[data-theme="dark"] .modal-content {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

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

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

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    border-color: #6366f1;
    background: var(--bg-secondary);
}

[data-theme="dark"] .gray-lightest {
    background: var(--bg-tertiary) !important;
}

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

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

[data-theme="dark"] .bg-white {
    background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] .hero-section {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%) !important;
}

[data-theme="dark"] .lang-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}