e-card p {
        color: #666;
        margin-bottom: 1.5rem;
        line-height: 1.6;
    }

    .maintenance-btn {
        background: #8b7355;
        color: white;
        border: none;
        padding: 0.75rem 1.5rem;
        border-radius: 10px;
        cursor: pointer;
        font-size: 1rem;
        transition: all 0.3s ease;
        width: 100%;
    }

    .maintenance-btn:hover {
        background: #6b5d54;
        transform: translateY(-2px);
    }

    .maintenance-btn:disabled {
        bac