body {
    background-color: #f8f9fa;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.progress {
    height: 25px;
    margin-bottom: 10px;
}

.progress-bar {
    transition: width 0.6s ease;
}

.mountain-card {
    transition: transform 0.2s;
    cursor: pointer;
}

.mountain-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.level-badge {
    font-size: 0.9em;
}

.scenery-image {
    height: 400px;
    object-fit: cover;
}

.carousel-inner img {
    max-height: 500px;
    object-fit: cover;
    width: 100%;
}

#mountainImage {
    max-height: 300px;
    object-fit: cover;
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.level-indicator {
    height: 10px;
    border-radius: 5px;
    margin: 2px 0;
}

.level-indicator.completed {
    background-color: #28a745;
}

.level-indicator.current {
    background-color: #ffc107;
}

.level-indicator.locked {
    background-color: #6c757d;
}

.modal-body {
    max-height: 70vh;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .card-body {
        padding: 0.75rem;
    }
    
    .btn {
        margin-bottom: 5px;
    }
}