/**
 * 「案例筛选墙」前台样式。
 *
 * 设计目标：还原参考图——
 *   - 左侧：浅灰背景的多组多选（每组 2 列复选框，可折叠）
 *   - 右侧：单列横向大卡（左大图 / 中标题 + 副标题 / 右 3×N 属性网格 / 右下圆形 CTA）
 */

.apap-cw {
    --apap-cw-side-w: 280px;
    --apap-cw-gap: 28px;
    --apap-cw-radius: 14px;
    --apap-cw-border: #e5eaf2;
    --apap-cw-text: #0f172a;
    --apap-cw-muted: #6b7280;
    --apap-cw-soft: #94a3b8;
    --apap-cw-accent: var(--apap-color-accent, #014098);
    --apap-cw-surface: #ffffff;
    --apap-cw-surface-soft: #f5f8fc;

    margin: 24px 0;
    color: var(--apap-cw-text);
    font-size: 14px;
}

.apap-cw__inner {
    display: grid;
    grid-template-columns: var(--apap-cw-side-w) minmax(0, 1fr);
    gap: var(--apap-cw-gap);
    align-items: flex-start;
}

/* ─── 左侧筛选 ─── */

.apap-cw__side {
    background: var(--apap-cw-surface);
    border: 1px solid var(--apap-cw-border);
    border-radius: var(--apap-cw-radius);
    padding: 18px 20px 20px;
    position: sticky;
    top: 80px;
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.06);
}

.apap-cw__form {
    margin: 0;
}

.apap-cw__group {
    border-bottom: 1px solid var(--apap-cw-border);
    padding: 16px 0;
}

.apap-cw__group:last-of-type {
    border-bottom: none;
}

.apap-cw__group-title {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--apap-cw-accent);
    font-weight: 600;
    font-size: 15px;
    user-select: none;
    padding: 4px 0 8px;
}

.apap-cw__group-title::-webkit-details-marker {
    display: none;
}

.apap-cw__group-arrow {
    transition: transform 0.2s ease;
    color: var(--apap-cw-soft);
    font-size: 12px;
}

.apap-cw__group:not([open]) .apap-cw__group-arrow {
    transform: rotate(-90deg);
}

.apap-cw__group-body {
    margin-top: 10px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 14px;
}

.apap-cw__check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 24px;
    cursor: pointer;
    color: var(--apap-cw-muted);
    font-size: 14px;
    user-select: none;
}

.apap-cw__check-input {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    margin: 0;
    border: 1.5px solid #c7d2e3;
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    display: inline-grid;
    place-content: center;
    transform: translateY(0);
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.apap-cw__check-input:hover {
    border-color: var(--apap-cw-accent);
}

.apap-cw__check-input:checked {
    background: var(--apap-cw-accent);
    border-color: var(--apap-cw-accent);
    box-shadow: 0 2px 6px rgba(1, 64, 152, 0.22);
}

.apap-cw__check-input:checked::before {
    content: '';
    width: 8px;
    height: 6px;
    background: #fff;
    clip-path: polygon(14% 44%, 0 60%, 38% 100%, 100% 18%, 84% 4%, 36% 68%);
}

.apap-cw__check-label {
    line-height: 1.45;
}

.apap-cw__check:hover .apap-cw__check-label {
    color: var(--apap-cw-text);
}

.apap-cw__actions {
    margin-top: 18px;
}

.apap-cw__clear {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--apap-cw-muted);
    font-size: 14px;
    cursor: pointer;
    padding: 6px 0;
}

.apap-cw__clear:hover {
    color: var(--apap-cw-accent);
}

.apap-cw__clear-icon {
    font-size: 12px;
}

/* ─── 右侧主区 ─── */

.apap-cw__main {
    min-width: 0;
}

.apap-cw__list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.apap-cw__list.is-loading {
    opacity: 0.55;
    pointer-events: none;
}

.apap-cw__empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--apap-cw-muted);
    background: var(--apap-cw-surface-soft);
    border: 1px dashed var(--apap-cw-border);
    border-radius: var(--apap-cw-radius);
    font-size: 14px;
}

/* ─── 单卡片 ─── */

.apap-cw__card {
    display: grid;
    grid-template-columns: clamp(360px, 34vw, 460px) minmax(0, 1fr);
    background: var(--apap-cw-surface);
    border: 1px solid var(--apap-cw-border);
    border-radius: var(--apap-cw-radius);
    overflow: hidden;
    position: relative;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.apap-cw__card-link {
    position: absolute;
    inset: 0;
    z-index: 3;
    border-radius: inherit;
}

.apap-cw__card-link:focus-visible {
    outline: 3px solid rgba(1, 64, 152, 0.28);
    outline-offset: -4px;
}

.apap-cw__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 52px rgba(15, 23, 42, 0.16);
    border-color: rgba(1, 64, 152, 0.38);
}

.apap-cw__card-photo {
    display: block;
    background: var(--apap-cw-surface-soft);
    overflow: hidden;
    min-height: 260px;
    align-self: stretch;
    color: inherit;
    text-decoration: none;
}

.apap-cw__card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.55s ease, filter 0.55s ease;
}

.apap-cw__card:hover .apap-cw__card-img {
    transform: scale(1.08);
    filter: saturate(1.08) contrast(1.04);
}

.apap-cw__card-img--fb {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--apap-cw-soft);
    width: 100%;
    height: 100%;
}

.apap-cw__card-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 28px 32px 82px;
    position: relative;
}

.apap-cw__card-head {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.apap-cw__card-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--apap-cw-text);
}

.apap-cw__card-title-link {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

.apap-cw__card:hover .apap-cw__card-title-link {
    color: var(--apap-cw-accent);
}

.apap-cw__card-subtitle {
    margin: 0;
    color: var(--apap-cw-muted);
    font-size: 13px;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
}

.apap-cw__card-attrs {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 24px;
    font-size: 13px;
}

.apap-cw__card-attr {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    align-items: baseline;
    column-gap: 4px;
    min-width: 0;
}

.apap-cw__card-attr-label {
    margin: 0;
    color: var(--apap-cw-soft);
    font-weight: 500;
    white-space: nowrap;
}

.apap-cw__card-attr-value {
    margin: 0;
    color: var(--apap-cw-text);
    font-weight: 600;
    word-break: break-word;
    line-height: 1.4;
}

.apap-cw__card-attr-empty {
    color: var(--apap-cw-soft);
    font-weight: 400;
}

.apap-cw__card-cta {
    position: absolute;
    left: 32px;
    bottom: 22px;
    z-index: 2;
    width: 7.7rem;
    height: 2.55rem;
    padding: 0 1.2rem 0 2.9rem;
    border: 2px solid #3654ff;
    border-radius: 10px;
    color: #1f3cff;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.01em;
    overflow: hidden;
    pointer-events: none;
    transition: color 0.35s ease, background 0.35s ease, border-color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.apap-cw__card:hover .apap-cw__card-cta {
    background: #3654ff;
    color: #fff;
    border-color: #3654ff;
    transform: translate(3px, -3px);
    box-shadow: 0 12px 26px rgba(54, 84, 255, 0.24);
}

.apap-cw__card-cta-text {
    line-height: 1;
    white-space: nowrap;
}

.apap-cw__card-cta-icon {
    position: absolute;
    display: flex;
    width: 1.35em;
    height: 1.35em;
    left: 1.05rem;
    top: 50%;
    margin: 0;
    color: currentColor;
    transform: translateY(-50%);
    transition: transform 0.6s ease;
}

.apap-cw__card:hover .apap-cw__card-cta-icon {
    transform: translate(5px, -50%);
}

/* ─── 加载更多 ─── */

.apap-cw__more {
    margin-top: 24px;
    text-align: center;
}

.apap-cw__more[hidden] {
    display: none;
}

.apap-cw__more-btn {
    padding: 10px 28px;
    background: #fff;
    border: 1px solid #cdd6e4;
    border-radius: 999px;
    color: var(--apap-cw-text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.apap-cw__more-btn:hover {
    background: var(--apap-cw-accent);
    color: #fff;
    border-color: var(--apap-cw-accent);
}

.apap-cw__more-btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ─── 响应式 ─── */

@media (max-width: 960px) {
    .apap-cw__inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .apap-cw__side {
        position: static;
        padding: 16px 18px 18px;
    }

    .apap-cw__card {
        grid-template-columns: minmax(0, 1fr);
    }

    .apap-cw__card-photo {
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

    .apap-cw__card-cta {
        position: static;
        margin-top: 4px;
        align-self: flex-end;
    }

    .apap-cw__card-body {
        padding: 16px 18px 18px;
    }
}

@media (max-width: 600px) {
    .apap-cw__card-attrs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px 16px;
    }

    .apap-cw__group-body {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .apap-cw__card,
    .apap-cw__card-img,
    .apap-cw__card-cta,
    .apap-cw__group-arrow {
        transition: none !important;
    }
}