:root {
    --primary-color: #233A69;
    --primary-hover: #1a2b4e;
    --bg-light: #f8fafc;
    --border-color: #e2e8f0;
}

.variant-management-card {
    border: none;
    background: transparent;
}

.variant-management-card .card-header {
    background: var(--primary-color);
    color: white;
    padding: 15px 20px;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 4px 15px rgba(35, 58, 105, 0.1);
}

.attribute-box {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.attribute-box:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 16px rgba(35, 58, 105, 0.08);
    transform: translateY(-2px);
}

.attribute-box h6 {
    color: #334155;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.attribute-box h6::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 10px;
}

.attr-checkbox-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Matching Swatches Design */
.custom-checkbox-btn {
    position: relative;
    cursor: pointer;
    margin-bottom: 0;
}

.custom-checkbox-btn input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.custom-checkbox-btn .checkmark {
    display: inline-block;
    padding: 8px 18px;
    background: #fff;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #475569;
    transition: all 0.2s;
}

.custom-checkbox-btn input:checked~.checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 8px rgba(35, 58, 105, 0.2);
}

.custom-checkbox-btn:hover .checkmark {
    border-color: var(--primary-color);
    background-color: #f1f5f9;
}

.variant-table-container {
    margin-top: 25px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.variant-table th {
    font-weight: 600;
    color: #475569;
    font-size: 0.85rem;
    text-transform: uppercase;
    padding: 15px;
    letter-spacing: 0.5px;
    background: #f8fafc;
    border-bottom: 2px solid var(--border-color);
}

.variant-table td {
    vertical-align: middle;
    padding: 15px;
    border-top: 1px solid var(--border-color);
}

.variant-row {
    transition: background-color 0.2s;
    animation: variantFadeIn 0.5s ease forwards;
}

.variant-row:hover {
    background-color: #f8fafc;
}

.variant-badge {
    display: inline-block;
    padding: 4px 10px;
    background: #f1f5f9;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary-color);
    margin: 2px;
    border: 1px solid #e2e8f0;
}

#btnGenerate {
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    background: var(--primary-color);
    border-color: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(35, 58, 105, 0.2);
}

#btnGenerate:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(35, 58, 105, 0.3);
}

/* Row Level Enhancements */
.row-image-preview div {
    transition: transform 0.2s ease;
}

.row-image-preview div:hover {
    transform: scale(1.1);
    z-index: 10;
}

.variant-file-input {
    border: 1px dashed #cbd5e0 !important;
    background-color: #f8fafc !important;
    padding: 0.35rem 0.5rem !important;
    font-size: 0.8rem !important;
    border-radius: 8px !important;
}

.variant-file-input:focus {
    border-style: solid !important;
    background-color: #fff !important;
    box-shadow: none !important;
    border-color: var(--primary-color) !important;
}

.hover-zoom {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-zoom:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}

@keyframes variantFadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-floating>.form-select {
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

/* De-congestion Styles */
.variant-table td,
.variant-table th {
    padding: 12px 10px !important;
}

.variant-table td:last-child {
    min-width: 280px;
}

.variant-table .input-group-text {
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
}

.variant-table .form-control {
    padding: 0.35rem 0.5rem;
    font-size: 0.85rem;
}

.row-image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.row-image-preview div {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    background: #fff;
    line-height: 0;
}

.variant-badge {
    padding: 2px 6px;
    font-size: 0.7rem;
}