/* ========== DARK THEME (dark.css) ========== */
[data-theme="dark"] body {
    background-color: #1a1d29;
    color: #e4e6eb;
}

[data-theme="dark"] .navbar {
    background-color: #242837;
    color: #e4e6eb;
    border-bottom: 1px solid #383c4a;
}

[data-theme="dark"] .navbar-brand {
    color: #e4e6eb !important;
}

[data-theme="dark"] .sidebar {
    background-color: #242837;
    color: #e4e6eb;
    border-right: 1px solid #383c4a;
}

[data-theme="dark"] .sidebar-menu a {
    color: #b8bac0;
}

[data-theme="dark"] .sidebar-menu a:hover {
    background-color: #2d313f;
    color: #8b9bfd;
}

[data-theme="dark"] .sidebar-header {
    border-bottom-color: #383c4a;
    color: #e4e6eb;
}

[data-theme="dark"] .card {
    background-color: #242837;
    color: #e4e6eb;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .card-header {
    background-color: #2d313f;
    border-bottom: 1px solid #383c4a;
}

[data-theme="dark"] .form-control {
    background-color: #2d313f;
    border-color: #383c4a;
    color: #e4e6eb;
}

[data-theme="dark"] .form-control:focus {
    background-color: #2d313f;
    border-color: #8b9bfd;
    color: #e4e6eb;
}

[data-theme="dark"] .form-control::placeholder {
    color: #6c7080;
}

[data-theme="dark"] .btn-outline-secondary {
    color: #b8bac0;
    border-color: #383c4a;
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: #383c4a;
    color: #e4e6eb;
}

[data-theme="dark"] .quiz-container {
    background-color: #242837;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .quiz-option {
    background-color: #2d313f;
    color: #e4e6eb;
}

[data-theme="dark"] .quiz-option:hover {
    background-color: #383c4a;
}

[data-theme="dark"] .dropdown-menu {
    background-color: #2d313f;
    border-color: #383c4a;
}

[data-theme="dark"] .dropdown-item {
    color: #b8bac0;
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: #383c4a;
    color: #e4e6eb;
}

[data-theme="dark"] .main-content {
    background-color: #1a1d29;
}

[data-theme="dark"] .module-content h2 {
    color: #8b9bfd;
}

[data-theme="dark"] .btn-link {
    color: #8b9bfd;
}

[data-theme="dark"] .text-muted {
    color: #6c7080 !important;
}

[data-theme="dark"] hr {
    border-color: #383c4a;
}

/* Dark theme adjustments for chatbot */
[data-theme="dark"] .chat-widget {
    background-color: #242837;
    border-color: #383c4a;
}

[data-theme="dark"] .chat-header {
    background: linear-gradient(135deg, #5568d3 0%, #6b46a1 100%);
}

[data-theme="dark"] .chat-messages {
    background-color: #1a1d29;
}

[data-theme="dark"] .user-message {
    background-color: #667eea;
}

[data-theme="dark"] .bot-message {
    background-color: #2d313f;
    color: #e4e6eb;
}