/* General Styles */
body.light-mode {
    background-color: #f5f7fa;
    color: #333;
}

body.dark-mode {
    background-color: #1a1d2e;
    color: #e0e0e0;
}

.container {
    max-width: 1400px;
}

/* Sidebar */
.sidebar {
    width: 250px;
    height: 100vh;
    background-color: #ffffff;
    position: fixed;
    transition: all 0.3s;
    color: #555;
}

.dark-mode .sidebar {
    background-color: #2a2d4e;
    color: #c0c0c0;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.dark-mode .sidebar-header {
    border-bottom: 1px solid #3a3d5e;
}

.nav-link {
    padding: 10px 20px;
    color: #555;
    transition: all 0.3s;
}

.dark-mode .nav-link {
    color: #c0c0c0;
}

.nav-link:hover, .nav-link.active {
    background-color: #e7f0ff;
    color: #007bff;
}

.dark-mode .nav-link:hover, .dark-mode .nav-link.active {
    background-color: #3a3d5e;
    color: #66b0ff;
}

.nav-link i {
    margin-right: 10px;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 20px;
    width: calc(100% - 250px);
    background-color: #f5f7fa;
}

.dark-mode .main-content {
    background-color: #1a1d2e;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    background-color: #ffffff;
    color: #333;
    transition: all 0.3s;
}

.dark-mode .card {
    background-color: #2a2d4e;
    color: #e0e0e0;
}

.card:hover {
    transform: translateY(-5px);
}

.stat-card {
    background-color: #ffffff;
    padding: 20px;
}

.dark-mode .stat-card {
    background-color: #2a2d4e;
}

.app-card {
    background-color: #ffffff;
    padding: 15px;
}

.dark-mode .app-card {
    background-color: #2a2d4e;
}

.card-body h5 {
    color: #6c757d;
}

.dark-mode .card-body h5 {
    color: #a0a0a0;
}

.card-header {
    background-color: #ffffff;
    color: #333;
    border-bottom: 1px solid #eee;
}

.dark-mode .card-header {
    background-color: #2a2d4e;
    color: #e0e0e0;
    border-bottom: 1px solid #3a3d5e;
}

/* Notifications */
.notification-bell {
    position: fixed;
    top: 20px;
    right: 20px;
    font-size: 24px;
    color: #333;
}

.dark-mode .notification-bell {
    color: #e0e0e0;
}

.notification-bell .badge {
    background-color: #dc3545;
    color: #fff;
}

/* Theme Toggle */
.theme-toggle {
    position: absolute;
    bottom: 20px;
    left: 20px;
}

.theme-toggle button {
    background-color: #007bff;
    color: white;
    border: none;
}

.dark-mode .theme-toggle button {
    background-color: #66b0ff;
}

/* Form Elements */
.form-control, .form-select {
    background-color: #fff;
    border: 1px solid #ced4da;
    color: #333;
    border-radius: 8px;
}

.dark-mode .form-control, .dark-mode .form-select {
    background-color: #3a3d5e;
    border-color: #4a4d6e;
    color: #e0e0e0;
}

.form-control:focus, .form-select:focus {
    background-color: #fff;
    color: #333;
    border-color: #007bff;
}

.dark-mode .form-control:focus, .dark-mode .form-select:focus {
    background-color: #3a3d5e;
    color: #e0e0e0;
    border-color: #66b0ff;
}

.btn-primary {
    background-color: #007bff;
    border: none;
    border-radius: 8px;
}

.btn-primary:hover {
    background-color: #0056b3;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 80px;
    }
    .main-content {
        margin-left: 80px;
        width: calc(100% - 80px);
    }
    .sidebar-header h4, .nav-link span, .theme-toggle {
        display: none;
    }
    .nav-link i {
        font-size: 20px;
    }
}