/* =========================================================
   20 经典板料颜色搭配展示
   ========================================================= */

.frame-showcase {
    padding: var(--space-20) 0;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.frame-showcase__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.frame-showcase__header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.frame-showcase__eyebrow {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: #e0e7ff;
    color: var(--color-primary);
    font-size: var(--font-size-caption);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.frame-showcase__title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: var(--weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.frame-showcase__desc {
    color: var(--color-text-muted);
    font-size: var(--font-size-body);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

/* === 工作区：左预览 + 右选择 === */
.frame-showcase__workspace {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-8);
    align-items: start;
}

/* === 预览区 === */
.frame-showcase__preview {
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.frame-showcase__preview-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--color-border);
    background: #f8fafc;
}

.frame-showcase__preview-label {
    font-size: var(--font-size-caption);
    color: var(--color-text-muted);
    font-weight: var(--weight-medium);
}

.frame-showcase__preview-combo {
    font-size: var(--font-size-small);
    color: var(--color-text);
    font-weight: var(--weight-semibold);
}

.frame-showcase__canvas {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    min-height: 320px;
    background:
        repeating-conic-gradient(#f1f5f9 0% 25%, #fff 0% 50%) 50% / 24px 24px;
}

.frame-showcase__svg {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.frame-showcase__download {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background: #f8fafc;
}

/* === 选择面板 === */
.frame-showcase__panel {
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    padding: var(--space-6);
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.frame-showcase__panel-section {
    margin-bottom: var(--space-6);
}

.frame-showcase__panel-section:last-child {
    margin-bottom: 0;
}

.frame-showcase__panel-title {
    font-size: var(--font-size-small);
    font-weight: var(--weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.frame-showcase__panel-count {
    font-size: 11px;
    color: var(--color-text-muted);
    font-weight: var(--weight-medium);
}

/* === 圈型选择 === */
.frame-shapes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.frame-shape {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 4px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    cursor: pointer;
    transition: all 0.2s;
}

.frame-shape:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.frame-shape.is-active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(10,61,145,0.12);
}

.frame-shape__icon {
    width: 32px;
    height: 20px;
}

.frame-shape__name {
    font-size: 10px;
    color: var(--color-text);
    font-weight: var(--weight-medium);
}

/* === 板料颜色选择 === */
.frame-colors {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.frame-color {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    background: var(--color, #000);
}

.frame-color:hover {
    transform: scale(1.12);
    border-color: var(--color-primary);
}

.frame-color.is-active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10,61,145,0.2);
    transform: scale(1.08);
}

.frame-color::after {
    content: attr(data-name);
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    color: var(--color-text-muted);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.frame-color:hover::after,
.frame-color.is-active::after {
    opacity: 1;
}

/* === 镜片颜色选择 === */
.frame-lens-colors {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
}

.frame-lens-color {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all 0.2s;
    background: var(--lens-color, #4DA3FF);
}

.frame-lens-color:hover {
    transform: scale(1.1);
    border-color: var(--color-primary);
}

.frame-lens-color.is-active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10,61,145,0.2);
}

/* === 镜片效果选择 === */
.frame-lens-effects {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.frame-lens-effect {
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: #fff;
    font-size: 11px;
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.2s;
}

.frame-lens-effect:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.frame-lens-effect.is-active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* === 响应式 === */
@media (max-width: 768px) {
    .frame-showcase__workspace {
        grid-template-columns: 1fr;
    }
    .frame-showcase__title {
        font-size: 26px;
    }
    .frame-colors {
        grid-template-columns: repeat(6, 1fr);
    }
}