html, body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: #fffbb1;
    color: #1f3143;
}
.page-shell {
    width: min(100%, 760px);
    margin: 0 auto;
    padding: 24px;
}
.page-header {
    text-align: center;
    margin-bottom: 28px;
}
.card {
    background: #DCDBE0;
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(31, 49, 67, 0.12);
    overflow: hidden;
}
.card-header {
    background: #DCDBE0;
    color: #1f3143;
    padding: 24px 28px;
    border-bottom: 1px solid #e0e0e0;
    text-align: center;
}
.card-body {
    padding: 28px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}



.form-group.full-width {
    grid-column: 1 / -1;
}
.form-control {
    width: 95%;
    min-height: 35px;
    padding: 12px 14px;
    border: 1px solid #d5dce6;
    border-radius: 14px;
    background: #f8fbff;
    color: #1f3143;
}
.form-control:focus {
    outline: none;
    border-color: #5b8dff;
    box-shadow: 0 0 0 4px rgba(91, 141, 255, 0.12);
    background: #ffffff;
}
.form-actions {
    margin-top: 24px;
    text-align: right;
}
.btn {
    border: none;
    border-radius: 14px;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    background: #1f3143;
    color: white;
}


@media (max-width: 680px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-actions {
        text-align: center;
    }
}

.boek-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
}
.boek-card {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(31, 49, 67, 0.08);
    box-shadow: 0 14px 30px rgba(31, 49, 67, 0.08);
    display: flex;
    flex-direction: column;
}
.boek-card-foto {
    background: #f2f5fb;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.boek-card-foto img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}
.boek-card-body {
    padding: 18px 18px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.boek-card-body h2 {
    margin: 0;
    font-size: 1.1rem;
    color: #1f3143;
}
.boek-card-body p {
    margin: 0;
    color: #45516a;
    font-size: 0.95rem;
}