body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.card-header {
    border-radius: 10px 10px 0 0 !important;
}

.stat-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.stat-card h3 {
    color: #0d6efd;
    font-weight: bold;
}

.table th {
    border-top: none;
    font-weight: 600;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.btn-success {
    background-color: #198754;
    border-color: #198754;
}

.btn-success:hover {
    background-color: #157347;
    border-color: #146c43;
}

#adContainer {
    border-radius: 8px;
    overflow: hidden;
}

.progress {
    height: 10px;
    border-radius: 5px;
}

.list-group-item {
    border-left: none;
    border-right: none;
}

.list-group-item:first-child {
    border-top: none;
}

.list-group-item:last-child {
    border-bottom: none;
}

.badge {
    font-size: 0.9em;
    font-weight: 500;
}

.modal-content {
    border-radius: 10px;
}

#paymentDetailsContainer {
    transition: all 0.3s ease;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 15px;
    }
}