:root {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --navbar-bg: #6f42c1;
    --navbar-text: #ffffff;
    --accent-color: #6f42c1;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

[data-bs-theme="dark"] {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #333333;
    --navbar-bg: #1f1f1f;
    --navbar-text: #ffffff;
    --accent-color: #bb86fc;
    --card-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
}

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

.card {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
    box-shadow: var(--card-shadow) !important;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.text-muted {
    color: var(--text-muted) !important;
}

.navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.table {
    color: var(--text-color) !important;
}

.table thead th {
    background-color: var(--bg-color) !important;
    color: var(--text-color) !important;
}

.modal-content {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
}

.dropdown-menu {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
}

.dropdown-item {
    color: var(--text-color) !important;
}

.dropdown-item:hover {
    background-color: var(--bg-color) !important;
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(20deg);
}

/* Forms in Dark Mode */
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: #2c2c2c !important;
    border-color: #444 !important;
    color: #fff !important;
}

[data-bs-theme="dark"] .form-control:focus {
    background-color: #333 !important;
    border-color: var(--accent-color) !important;
    color: #fff !important;
}

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

[data-bs-theme="dark"] .nav-tabs .nav-link.active {
    background-color: var(--card-bg);
    color: var(--accent-color);
    border-color: var(--border-color) var(--border-color) var(--card-bg);
}

[data-bs-theme="dark"] .nav-link {
    color: var(--text-color);
}

[data-bs-theme="dark"] .navbar-brand,
[data-bs-theme="dark"] .navbar-nav .nav-link {
    color: #fff !important;
}

[data-bs-theme="dark"] .breadcrumb-item,
[data-bs-theme="dark"] .breadcrumb-item a {
    color: var(--text-muted);
}

[data-bs-theme="dark"] .breadcrumb-item.active {
    color: var(--text-color);
}

/* Custom Scrollbar for Dark Mode */
[data-bs-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-track {
    background: #121212;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 5px;
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #444;
}

/* Stat Cards for Reports */
.stat-card {
    border-radius: 16px !important;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.2) !important;
}

.stat-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95) !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    margin: 0;
}

.stat-value {
    font-size: 2.2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    color: #fff !important;
}

.stat-icon {
    font-size: 3rem;
    opacity: 0.6;
    color: rgba(255, 255, 255, 0.8);
}