:root {
    --spf-bg-color: #FDFBF7;
    --spf-card-bg: #FFFFFF;
    --spf-text-main: #4A3E3D;
    --spf-border-subtle: #EDE7DE;
    --spf-active-bg: #F5EDE2;
    --spf-active-border: #D3B996;
    --spf-accent-gold: #C5A059;
    --spf-radius: 8px;
}

.spf-container {
    background: var(--spf-bg-color);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--spf-border-subtle);
    font-family: inherit;
    color: var(--spf-text-main);
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
}

.spf-selection-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 20px;
    position: relative;
    margin: 0;
    padding: 0;
}

.spf-selection-col {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.spf-group-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: var(--spf-text-main);
    display: flex;
    align-items: center;
    line-height: 1.3;
    min-height: 48px;
    width: 100%;
}

.spf-options-stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.spf-option-btn {
    display: flex;
    align-items: center;
    background: #FAFAFA;
    border: 1px solid var(--spf-border-subtle);
    border-radius: var(--spf-radius);
    padding: 12px 16px;
    cursor: pointer;
    font-size: 14px;
    color: var(--spf-text-main);
    transition: all 0.25s ease;
    width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-break: break-word;
    gap: 8px;
}

.spf-option-btn:hover {
    border-color: var(--spf-active-border);
    background: #FDFDFD;
}

.spf-option-btn.active {
    background: var(--spf-active-bg);
    border-color: var(--spf-active-border);
    font-weight: 600;
}

.spf-checkmark {
    display: none;
    color: var(--spf-accent-gold);
    font-size: 14px;
}

.spf-option-btn.active .spf-checkmark {
    display: inline-block !important;
}

.spf-column-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--spf-border-subtle);
    height: 80%;
    margin: auto 0;
    position: relative;
}

.spf-divider-hidden .spf-column-divider {
    display: none;
}

.spf-divider-icon-slot {
    background: var(--spf-bg-color);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spf-divider-icon-slot svg {
    width: 14px;
    height: 14px;
    fill: var(--spf-accent-gold);
}

.spf-actions-bar {
    text-align: center;
    margin-top: 20px;
}

.spf-btn-reset {
    background: #2D6898;
    color: #FFF;
    border: none;
    padding: 10px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

.spf-results-wrapper {
    margin-top: 20px;
}

.spf-fallback-message {
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--spf-text-main);
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(197, 160, 89, 0.1);
    border-radius: 6px;
    border: 1px solid var(--spf-active-border);
}

.spf-product-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    transition: opacity 0.3s ease;
}

.spf-card {
    background: var(--spf-card-bg);
    border: 1px solid var(--spf-border-subtle);
    border-radius: var(--spf-radius);
    padding: 16px 12px;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.spf-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #C5A059;
    color: #FFF;
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-weight: 600;
}

.spf-badge.closest { 
    background: #8C7A6B; 
}

.spf-card img { max-width: 100%; height: auto; margin: 10px auto; }
.spf-card h4 { font-size: 14px; margin: 8px 0 4px; }
.spf-price { font-weight: bold; font-size: 14px; margin-bottom: 12px; }

.spf-btn-cart {
    background: var(--spf-card-bg);
    border: 1px solid var(--spf-active-border);
    color: var(--spf-text-main);
    padding: 8px 12px;
    font-size: 11px;
    text-decoration: none;
    border-radius: 4px;
}

/* Responsive Rules: Mobile & Tablet Controls */
/* Tablet Handling */
@media (max-width: 1023px) and (min-width: 768px) {
    .spf-container.spf-tablet-stacked .spf-selection-row { 
        grid-template-columns: 1fr; 
    }
    .spf-container.spf-tablet-stacked .spf-column-divider { 
        display: none; 
    }
    .spf-container.spf-tablet-side .spf-selection-row { 
        grid-template-columns: 1fr auto 1fr auto 1fr; 
        gap: 10px;
    }
    .spf-product-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Mobile Handling */
@media (max-width: 767px) {
    .spf-container.spf-mobile-stacked .spf-selection-row { 
        grid-template-columns: 1fr; 
    }
    .spf-container.spf-mobile-stacked .spf-column-divider { 
        display: none; 
    }
    .spf-container.spf-mobile-side .spf-selection-row { 
        grid-template-columns: 1fr auto 1fr auto 1fr; 
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    .spf-container.spf-mobile-side .spf-group-title {
        font-size: 13px;
        min-height: 38px;
    }
    .spf-container.spf-mobile-side .spf-option-btn {
        padding: 8px 10px;
        font-size: 12px;
    }
    .spf-product-grid { grid-template-columns: repeat(2, 1fr); }
}