/* ==========================================================================
   WC Attribute Swatches — Frontend Styles
   ========================================================================== */

.wc-swatches-wrapper {
    margin: 0;
}

/* 色塊容器 */
.wc-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 4px 0;
}

/* ─── 單一色塊基礎樣式 ─────────────────────────────────── */
.wc-swatch {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 2px solid transparent;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.wc-swatch:hover {
    transform: scale(1.08);
}

.wc-swatch:focus-visible {
    outline: 2px solid #666;
    outline-offset: 2px;
}

/* 已選取 */
.wc-swatch--active {
    border-color: #333 !important;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.12);
}

/* 無法選取（此組合無庫存） */
.wc-swatch--disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* 無庫存斜線 */
.wc-swatch--disabled::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top right,
        transparent calc(50% - 1px),
        rgba(0, 0, 0, 0.45) calc(50% - 1px),
        rgba(0, 0, 0, 0.45) calc(50% + 1px),
        transparent calc(50% + 1px)
    );
}

/* ─── 顏色色塊 ────────────────────────────────────────── */
.wc-swatch--color {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border-color: rgba(0, 0, 0, 0.15);
}

.wc-swatch--color:hover,
.wc-swatch--color.wc-swatch--active {
    border-radius: 50%;
}

.wc-swatch--color .wc-swatch__inner {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
}

/* ─── 圖片色塊 ────────────────────────────────────────── */
.wc-swatch--image {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    border-color: #ddd;
    background: #f5f5f5;
}

.wc-swatch--image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

/* 尚未設定圖片時的佔位符 */
.wc-swatch--image .wc-swatch__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #eee;
    font-size: 20px;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
}

/* ─── 文字標籤色塊 ─────────────────────────────────────── */
.wc-swatch--label {
    padding: 6px 14px;
    border-radius: 4px;
    border-color: #ddd;
    background: #fff;
    min-width: 44px;
    height: auto;
}

.wc-swatch--label:hover {
    border-color: #333;
    background: #f9f9f9;
}

.wc-swatch--label.wc-swatch--active {
    background: #333;
    border-color: #333;
}

.wc-swatch--label.wc-swatch--active .wc-swatch__inner {
    color: #fff;
}

.wc-swatch--label .wc-swatch__inner {
    font-size: 13px;
    line-height: 1.3;
    color: #333;
    white-space: nowrap;
}