@import '../../style/theme.less';
@import '../../style/tags.less';

@home-track-gap: 16rpx;

.home-page {
    min-height: 100vh;
    background: @bg-page;
    padding-bottom: 48rpx;
    box-sizing: border-box;
    color: @text-secondary;
}

.home-body {
    width: 100%;
    box-sizing: border-box;
}

.home-search-wrap {
    margin-top: @section-gap-xs;
    padding: 0 @page-padding-x;
    box-sizing: border-box;
}

.home-search {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16rpx;
    background: #e5dcc9;
    border-radius: 999rpx;
    padding: 22rpx 32rpx;
    box-sizing: border-box;
}

.home-search__icon {
    flex-shrink: 0;
    line-height: 1;
}

.home-search__placeholder {
    font-size: 28rpx;
    color: rgba(50, 46, 37, 0.45);
    flex: 1;
}

.home-tabs-wrap {
    margin-top: @section-gap;
}

.home-hero-placeholder {
    margin: @section-gap @page-padding-x 0;
    height: 480rpx;
    border-radius: 40rpx;
    background: rgba(50, 46, 37, 0.04);
}

/** 首页顶部「精选」横滑行（与下方模块 track 列表的 .home-track-row 区分） */
.home-hero-row {
    display: inline-flex;
    flex-direction: row;
    gap: @section-gap-sm;
    padding: 24rpx @page-padding-x;
}

.home-hero-card {
    width: 560rpx;
    flex-shrink: 0;
    border-radius: 32rpx;
    /* 让阴影不被自身 overflow: hidden 裁切 */
    overflow: visible;
    background: #ffffff;
    box-shadow: 0 10rpx 28rpx rgba(50, 46, 37, 0.08);
}

.home-hero-card__top {
    height: 260rpx;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 顶部背景用自身圆角裁切，替代 card 的 overflow: hidden */
    border-top-left-radius: 32rpx;
    border-top-right-radius: 32rpx;
    overflow: hidden;
    border-bottom: 1rpx solid rgba(50, 46, 37, 0.08);
    background: #f5edd8;
}

.home-hero-card__cover {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.home-hero-card__icon {
    font-size: 96rpx;
    line-height: 1;
}

.home-hero-card__badge {
    position: absolute;
    top: 24rpx;
    right: 24rpx;
    padding: 8rpx 18rpx;
    border-radius: 999rpx;
    background: rgba(50, 46, 37, 0.12);
    font-size: 22rpx;
    color: @text-title;
    font-weight: 600;
}

.home-hero-card__body {
    padding: 28rpx @page-padding-inner-x 30rpx;
}

.home-hero-card__title-row {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 16rpx;
    /* 允许 flex 子项在文本过长时正确截断 */
    min-width: 0;
}

.home-hero-card__title {
    font-size: 34rpx;
    line-height: 1.35;
    color: @text-title;
    font-weight: 700;
    margin: 0;
    flex: 1;
    min-width: 0;
    /* 标题与 meta 同行：超出后省略号（避免高度抖动） */
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.home-hero-card__sub {
    margin-top: 10rpx;
    font-size: 24rpx;
    line-height: 1.4;
    color: @text-secondary;
    /* 第二行：超出后省略号 */
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}


.home-hero-card__meta {
    margin: 0;
    font-size: 22rpx;
    color: @text-gray;
    /* meta 也做单行截断，防止极端长文本把布局挤爆 */
    flex: 0 1 auto;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.home-section-panel {
    margin-top: 48rpx;
    box-sizing: border-box;
}

.home-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 @page-padding-x;
}

.home-section-head__title {
    font-size: @fs-section-head-title;
    font-weight: 700;
    color: @text-title;
}

.home-section-head__more {
    font-size: 24rpx;
    color: @text-selected-btn;
}

.home-section-head__title--module {
    font-size: @fs-section-head-title;
    font-weight: 700;
}

.home-track-scroll {
    margin-top: 16rpx;
    width: 100%;
    white-space: nowrap;
    // padding: 16rpx 0 20rpx;
    box-sizing: border-box;
}

.home-track-row {
    display: inline-flex;
    flex-direction: row;
    gap: @section-gap-sm;
    // padding-right: @page-padding-x;
    padding: 16rpx @page-padding-x 20rpx;
}

.home-track-card {
    width: calc((750rpx - 2 * @page-padding-x - 2 * @home-track-gap) / 2.2);
    flex-shrink: 0;
    border-radius: 24rpx;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 6rpx 20rpx rgba(50, 46, 37, 0.06);
}

.home-track-card__top {
    /* 与 supportPages/mathIndex .function-item-img-wrapper 一致 */
    height: 270rpx;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    border-bottom: 1rpx solid rgba(50, 46, 37, 0.08);
    background: #f5edd8;
}

.home-track-card__cover {
    width: 100%;
    display: block;
}

.home-track-card__icon {
    font-size: 72rpx;
    line-height: 1;
}

.home-track-card__tags {
    position: absolute;
    right: 12rpx;
    bottom: 12rpx;
    display: flex;
    gap: 10rpx;
}

.home-track-card__body {
    box-sizing: border-box;
    width: 100%;
    padding: 20rpx @page-padding-inner-x 22rpx;
    background: #ffffff;
    white-space: normal;
}

.home-track-card__title {
    box-sizing: border-box;
    width: 100%;
    font-size: 28rpx;
    font-weight: 600;
    color: @text-title;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    overflow: hidden;
    word-break: break-word;
}

.home-track-card__sub {
    box-sizing: border-box;
    width: 100%;
    margin-top: 8rpx;
    font-size: 20rpx;
    color: @text-gray;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    word-break: break-word;
}

.home-age-scroll {
    margin-top: @section-gap-xs;
    width: 100%;
    white-space: nowrap;
}

.home-age-row {
    display: inline-flex;
    flex-direction: row;
    gap: 12rpx;
    padding-right: @page-padding-x;
}

.home-age-item {
    width: calc((750rpx - 2 * @page-padding-x - 36rpx) / 3.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.home-age-item__icon-wrap {
    width: 120rpx;
    height: 120rpx;
    border-radius: 50%;
    background: rgba(248, 240, 224, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-age-item__icon-wrap--active {
    background: rgba(255, 215, 9, 0.28);
}

.home-age-item__icon {
    font-size: 44rpx;
    line-height: 1;
}

.home-age-item__label {
    margin-top: 12rpx;
    font-size: 26rpx;
    color: @text-title;
    font-weight: 600;
    white-space: nowrap;
}

.home-age-item__desc {
    margin-top: 8rpx;
    font-size: 22rpx;
    color: @text-gray;
    white-space: nowrap;
}

.home-hot-list {
    margin-top: @section-gap-xs;
    padding: 0 @page-padding-x;
    display: flex;
    flex-direction: column;
    gap: @section-gap-stack;
}

.home-hot-card {
    background: #ffffff;
    border-radius: 24rpx;
    padding: 24rpx @page-padding-inner-x;
    display: flex;
    align-items: center;
    gap: 20rpx;
    box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.04);
}

.home-hot-card__thumb {
    width: 144rpx;
    height: 180rpx;
    border-radius: 18rpx;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    border: 1rpx solid rgba(50, 46, 37, 0.08);
    background: #f5edd8;
}

.home-hot-card__thumb-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.home-hot-card__thumb-emoji {
    font-size: 56rpx;
}

.home-hot-card__content {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
    justify-content: space-between;
    align-self: stretch;
    padding: 6rpx 0;
}

.home-hot-card__title {
    font-size: 30rpx;
    color: #2f2f2f;
    font-weight: 600;
}

.home-hot-card__desc {
    margin-top: 8rpx;
    font-size: 24rpx;
    color: #616161;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.home-hot-card__meta {
    margin-top: 16rpx;
    display: flex;
    align-items: center;
    gap: 16rpx;
}

.home-hot-card__tag {
    font-size: 22rpx;
    color: @text-selected-btn;
    background: @brand;
    border-radius: 999rpx;
    padding: 4rpx 16rpx;
}

.home-hot-card__score {
    font-size: 24rpx;
    color: #6b6b6b;
}

.home-hot-card__action {
    width: 56rpx;
    height: 56rpx;
    border-radius: 50%;
    background: @brand;
    color: #2b2b2b;
    font-size: 36rpx;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.home-section-panel__sub {
    margin-top: 10rpx;
    font-size: 24rpx;
    line-height: 1.5;
    color: @text-gray;
    display: block;
}


.home-page .category-tabs {
    background: @bg-page;
}

.home-page .category-tabs__pill {
    background: rgba(96, 91, 80, 0.08);
    color: @text-secondary;
}

.home-page .category-tabs__pill--active {
    background: @brand;
    color: @text-selected-btn;
    font-weight: 600;
}

// ── Skeleton ──
@keyframes home-skeleton-pulse {
    0% {
        opacity: 0.6;
    }

    50% {
        opacity: 0.3;
    }

    100% {
        opacity: 0.6;
    }
}

.home-hero-card--skeleton {
    pointer-events: none;

    .home-hero-card__top {
        animation: home-skeleton-pulse 1.5s ease-in-out infinite;
    }

    .home-hero-card__title,
    .home-hero-card__sub {
        background: #e8e2d5;
        border-radius: 8rpx;
        color: transparent;
        animation: home-skeleton-pulse 1.5s ease-in-out infinite;
    }

    .home-hero-card__title {
        width: 50%;
        height: 36rpx;
    }

    .home-hero-card__sub {
        width: 70%;
        height: 26rpx;
    }
}

.home-hot-card--skeleton {
    pointer-events: none;

    .home-hot-card__thumb {
        animation: home-skeleton-pulse 1.5s ease-in-out infinite;
    }

    .home-hot-card__title,
    .home-hot-card__desc {
        background: #e8e2d5;
        border-radius: 8rpx;
        color: transparent;
        animation: home-skeleton-pulse 1.5s ease-in-out infinite;
    }

    .home-hot-card__title {
        width: 40%;
        height: 32rpx;
    }

    .home-hot-card__desc {
        width: 65%;
        height: 24rpx;
    }
}