#modal-product-keywords .modal-dialog {
    max-height: calc(100vh - 2rem);
    margin-top: 1rem;
    margin-bottom: 1rem;
}
#modal-product-keywords .modal-content {
    border-radius: 22px;
    border: none;
    max-height: calc(100vh - 2rem);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
#modal-product-keywords .modal-body {
    display: flex;
    flex-direction: column;
    flex: 0 1 auto;
    min-height: 0;
    max-height: calc(100vh - 9rem);
    overflow: hidden;
}
#modal-product-keywords .table-responsive {
    flex: 0 1 auto;
    min-height: 0;
    max-height: calc(100vh - 24rem);
    overflow-y: auto;
}

#modal-product-keywords table th {
    position: sticky;
    top: 0;
    z-index: 2;
}

/* برچسب ابعاد روی بوردر ورودی، هنگام فوکوس یا بعد از ورود مقدار */
#modal-variant .dimension-field {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
}

#modal-variant .dimension-field .form-control {
    position: relative;
    z-index: 1;
    width: 100%;
    border-radius: 0;
}

#modal-variant .dimension-field:first-child .form-control {
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

#modal-variant .dimension-label {
    position: absolute;
    z-index: 2;
    top: 0;
    right: 12px;
    padding: 0 5px;
    color: #3b82f6;
    background: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-50%);
    transition: opacity 0.15s ease;
}

#modal-variant .dimension-field:focus-within .dimension-label,
#modal-variant .dimension-field .form-control:not(:placeholder-shown) + .dimension-label {
    opacity: 1;
}

#modal-variant .dimension-field:focus-within .form-control,
#modal-variant .dimension-field .form-control:not(:placeholder-shown) {
    border-color: #3b82f6;
}

#modal-variant .dimension-field .form-control:focus::placeholder {
    opacity: 0;
}