.book-card {
        border: 1px solid #000;
        padding: 20px;
        margin-bottom: 30px;
        border-radius: 4px;
    }

    .step-line {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 20px 0 10px;
        position: relative;
    }

    .step-line::before {
        content: "";
        position: absolute;
        top: 14px;
        left: 35px;
        right: 35px;
        height: 2px;
        background-color: #eee;
        z-index: 0;
    }

    .step {
        position: relative;
        z-index: 1;
        background-color: white;
        text-align: center;
    }

    .step span {
        display: inline-block;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        border: 2px solid #ccc;
        color: #ccc;
        line-height: 26px;
        font-weight: bold;
        background-color: white;
    }

    .step.completed span {
        color: #28a745;
        border-color: #28a745;
        font-weight: bold;
    }

    .step-label {
        font-size: 14px;
        margin-top: 8px;
        color: #333;
    }

    .delete-btn {
        font-size: 14px;
        float: right;
        color: #000;
        font-weight: bold;
        display: flex;
        align-items: center;
        gap: 5px;
        text-decoration: none;
    }

    .delete-btn img {
        width: 20px;
    }

    .book-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .btn-custom {
        background-color: #0052cc;
        color: #fff;
        font-weight: 500;
        box-shadow: 3px 3px 0px #000;
    }

    .btn-custom-red {
        background-color: #ff5252;
        color: white;
        font-weight: 500;
        box-shadow: 3px 3px 0px #000;
    }

    .book-cover {
        width: 100px;
    }

    @media(max-width: 768px) {
        .step-line::before {
            left: 15px;
            right: 15px;
        }
    }