/* Dark Theme Styles */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --navbar-bg: #ffffff;
}

[data-theme="dark"] {
    --bg-primary: #1a1d29;
    --bg-secondary: #252936;
    --text-primary: #e4e6eb;
    --text-secondary: #b0b3b8;
    --border-color: #3a3f4b;
    --card-bg: #252936;
    --navbar-bg: #1a1d29;
}

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

[data-theme="dark"] .navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .navbar-light .navbar-brand,
[data-theme="dark"] .navbar-light .nav-link {
    color: var(--text-primary) !important;
}

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

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

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

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

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: #667eea;
}

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

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

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

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

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

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

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

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

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

/* Theme Toggle Button */
#theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: transform 0.3s ease;
    z-index: 1000;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

#theme-toggle:active {
    transform: scale(0.95);
}