/* ============================================================
   Store admin · Variantes (Shopify-like)
   ------------------------------------------------------------
   Editor de opciones, lista de combinaciones agrupadas y
   swatches de variantes (color/imagen/texto).
   ============================================================ */

.sa-option-editor {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius-md);
    background: var(--sa-surface-muted);
}

.sa-variants-mode {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius-md);
    background: var(--sa-surface-muted);
}

.sa-price-tiers {
    display: grid;
    gap: 10px;
}

.sa-price-tiers__list {
    display: grid;
    gap: 8px;
}

.sa-price-tier-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
    align-items: end;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius-md);
    background: var(--sa-surface-muted);
}

.sa-price-tier-row__remove {
    width: 36px;
    height: 36px;
}

.sa-price-tiers__empty {
    padding: 10px 12px;
    border: 1px dashed var(--sa-border);
    border-radius: var(--sa-radius-md);
    color: var(--sa-muted);
    font-size: 12.5px;
    line-height: 1.4;
}

@media (max-width: 720px) {
    .sa-price-tier-row {
        grid-template-columns: minmax(74px, 0.85fr) minmax(104px, 1fr) 34px;
        gap: 8px;
        padding: 8px;
    }

    .sa-price-tier-row .sa-field label {
        font-size: 11.5px;
        line-height: 1.2;
        white-space: nowrap;
    }

    .sa-price-tier-row__remove {
        width: 34px;
        height: 34px;
    }
}
.sa-option-editor__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.sa-option-editor__head h3 { font-size: 13.5px; font-weight: 650; }
.sa-option-values {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.sa-option-value-row {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
}
.sa-option-value-row > input { flex: 1; }
.sa-option-value-row > .sa-icon-btn {
    width: 30px;
    height: 30px;
    border-color: transparent;
    color: var(--sa-muted);
}
.sa-option-value-row > .sa-icon-btn:hover { color: var(--sa-danger); background: transparent; border-color: var(--sa-border); }

/* Lista de combinaciones agrupadas ------------------------ */
.sa-combos {
    display: grid;
    gap: 10px;
}
.sa-combos__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.sa-combos__head label { color: var(--sa-muted); font-size: 12.5px; font-weight: 600; }
.sa-combo-group {
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius-md);
    overflow: hidden;
    background: var(--sa-surface);
}
.sa-combo-group__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    list-style: none;
    background: var(--sa-surface-muted);
    font-size: 13.5px;
    font-weight: 650;
}
.sa-combo-group__summary::-webkit-details-marker { display: none; }
.sa-combo-group__summary i.bi-chevron-down { transition: transform 0.18s ease; color: var(--sa-muted); }
.sa-combo-group[open] > .sa-combo-group__summary i.bi-chevron-down { transform: rotate(180deg); }
.sa-combo-group__count { color: var(--sa-muted); font-size: 12px; font-weight: 500; }

.sa-combo-row {
    display: grid;
    grid-template-columns: minmax(140px, 1fr) 130px 110px 110px;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-top: 1px solid var(--sa-border);
}
.sa-combo-row:first-of-type { border-top: 0; }
.sa-combo-row__name {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    font-size: 13px;
}
.sa-combo-row__name .sa-thumb { width: 30px; height: 30px; border-radius: var(--sa-radius-xs); }
.sa-combo-row__name strong { font-weight: 600; }
.sa-combo-row .sa-input-affix,
.sa-combo-row .sa-input { height: 32px; font-size: 12.5px; }
.sa-combo-row__edit {
    justify-self: end;
}
@media (max-width: 720px) {
    .sa-combo-row {
        grid-template-columns: 1fr 1fr;
    }
    .sa-combo-row__edit { grid-column: 1 / -1; justify-self: stretch; }
}

/* Swatches de variantes (color/imagen/texto) -------------- */
.sa-swatch-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.sa-swatch {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius-sm);
    background: var(--sa-surface);
    color: var(--sa-text);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
}
.sa-swatch.is-color { padding: 0; width: 36px; }
.sa-swatch.is-color > span {
    display: block;
    width: 22px;
    height: 22px;
    border-radius: var(--sa-radius-xs);
    border: 1px solid rgba(15, 23, 42, 0.08);
}
.sa-swatch.is-selected {
    border-color: var(--sa-primary);
    box-shadow: 0 0 0 2px rgba(var(--sa-primary-rgb), 0.12);
}
.sa-swatch:hover { border-color: var(--sa-border-strong); }