/* Main page styles */
body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

h1 {
    color: #333;
    text-align: center;
}

.asset-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.asset-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #0066cc;
    font-weight: bold;
    font-size: 18px;
    position: relative;
}

.asset-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    border-color: #0066cc;
}

.asset-card:active {
    transform: translateY(-2px);
}

/* Remove any default focus outline for better aesthetics (optional) */
.asset-card:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.5);
}

#back-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 999;
    padding: 10px 15px;
    background: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}