/**
 * /showcase 展示牆頁面樣式
 * 採用 v3 Neo-Brutalism — navy + orange + butter，搭配傾斜貼紙卡
 * Token: --brand-v3-*，見 public-variables-v3.css
 */

/* ============================
   Hero
   ============================ */

.showcase-hero {
    padding: 120px 0 72px;
    position: relative;
    text-align: center;
}
.showcase-hero-inner {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 32px;
}
.showcase-kicker {
    display: inline-block;
    font-family: var(--brand-v3-mono);
    font-size: 11.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--brand-v3-navy);
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--brand-v3-butter);
    border: 1.5px solid var(--brand-v3-navy);
    box-shadow: var(--brand-v3-shadow-sm);
    margin-bottom: 24px;
}
.showcase-title {
    font-family: var(--brand-v3-display);
    font-weight: 800;
    font-variation-settings: "opsz" 96, "wdth" 95;
    letter-spacing: -0.035em;
    font-size: clamp(42px, 6vw, 80px);
    line-height: 0.95;
    margin: 0;
    color: var(--brand-v3-navy);
}
.showcase-title-em {
    font-family: var(--brand-v3-serif);
    font-style: italic;
    font-weight: 500;
    font-variation-settings: "opsz" 144;
    color: var(--brand-v3-orange);
    padding: 0 4px;
}
.showcase-desc {
    font-family: var(--brand-v3-sans);
    font-size: clamp(15px, 1.6vw, 18px);
    line-height: 1.65;
    color: var(--brand-v3-ink-soft);
    margin: 20px auto 32px;
    max-width: 640px;
}
.showcase-hero-ctas {
    display: inline-flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ============================
   類別 Tabs
   ============================ */

.showcase-main {
    padding: 40px 0 120px;
    position: relative;
}
.showcase-main-inner {
    max-width: var(--brand-v3-maxw);
    margin: 0 auto;
    padding: 0 32px;
}

.showcase-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px;
    margin-bottom: 44px;
    border: 2.5px solid var(--brand-v3-navy);
    border-radius: var(--brand-v3-r-lg);
    background: var(--brand-v3-paper);
    box-shadow: var(--brand-v3-shadow-md);
}
.showcase-tab {
    appearance: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--brand-v3-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brand-v3-navy);
    padding: 10px 18px;
    border: 2px solid var(--brand-v3-navy);
    border-radius: 999px;
    background: var(--brand-v3-cream);
    box-shadow: var(--brand-v3-shadow-sm);
    transition: transform 0.2s cubic-bezier(.2,.8,.2,1), box-shadow 0.2s ease, background 0.2s ease;
}
.showcase-tab:hover {
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0 var(--brand-v3-navy);
    background: var(--brand-v3-butter);
}
.showcase-tab.active {
    background: var(--brand-v3-navy);
    color: var(--brand-v3-cream);
    box-shadow: 3px 3px 0 var(--brand-v3-orange-deep);
}
.tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    padding: 0 6px;
    height: 18px;
    font-size: 10px;
    letter-spacing: 0;
    border-radius: 999px;
    background: var(--brand-v3-orange);
    color: var(--brand-v3-paper);
    font-weight: 700;
}
.showcase-tab.active .tab-count {
    background: var(--brand-v3-butter);
    color: var(--brand-v3-navy);
}
.showcase-tab[data-category="all"] .tab-count {
    background: transparent;
    color: inherit;
    min-width: auto;
}

/* ============================
   卡片 Grid
   ============================ */

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
    padding: 4px;
    min-height: 200px;
}

.showcase-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border: 2.5px solid var(--brand-v3-navy);
    border-radius: 24px;
    background: var(--brand-v3-paper);
    box-shadow: var(--brand-v3-shadow-lg);
    color: var(--brand-v3-navy);
    transition: transform 0.35s cubic-bezier(.2,.8,.2,1), box-shadow 0.35s ease;
    /* 注意：不用 overflow:hidden 因為類別 badge 需要騎在上緣外 (-12px)
       改為讓 .showcase-card-cover / .showcase-card-cta 自己處理 border-radius */
}

/* 卡片主連結（蓋整個 body，點擊→詳情頁） */
.showcase-card-main {
    display: flex;
    flex-direction: column;
    gap: 0;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    flex: 1;
}
.showcase-card-main:hover {
    text-decoration: none;
    color: inherit;
}

.showcase-card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
    flex: 1;
}

/* 封面圖 16:9（有 cover 才渲染） */
.showcase-card-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-bottom: 2.5px solid var(--brand-v3-navy);
    background: var(--brand-v3-cream);
    /* 繼承卡片上角圓角 */
    border-top-left-radius: calc(24px - 2.5px);
    border-top-right-radius: calc(24px - 2.5px);
}
.showcase-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(.2,.8,.2,1);
}
.showcase-card:hover .showcase-card-cover img {
    transform: scale(1.04);
}

/* 底部 CTA（試試看，全寬 navy 按鈕）
   用負 margin 把 CTA 擠到卡片外邊緣，且自己也有 2.5px navy border，
   跟卡片 border 無縫接合——hover 橘色時仍保留 navy 邊框包裹 */
.showcase-card-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    margin: 0 -2.5px -2.5px;
    font-family: var(--brand-v3-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--brand-v3-cream);
    background: var(--brand-v3-navy);
    /* 四邊 navy border（等同延續卡片 border），top 當分隔線 */
    border: 2.5px solid var(--brand-v3-navy);
    /* 圓角對齊卡片外邊緣 */
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
    transition: background 0.2s ease;
}
.showcase-card-cta:hover {
    background: var(--brand-v3-orange-deep);
    color: var(--brand-v3-cream);
    text-decoration: none;
}
.showcase-card-cta .arr {
    display: inline-block;
    transition: transform 0.3s ease;
}
.showcase-card-cta:hover .arr {
    transform: translateX(6px);
}

/* 看詳情 chip（放在 tags row，視覺提示卡片本體可點） */
.showcase-card-detail-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--brand-v3-mono);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--brand-v3-navy);
    color: var(--brand-v3-cream);
    border: 1.5px solid var(--brand-v3-navy);
    white-space: nowrap;
    transition: background 0.2s ease, transform 0.2s ease;
}
.showcase-card-detail-chip .arr {
    display: inline-block;
    transition: transform 0.2s ease;
}
/* 只在 hover 卡片本體（detail 連結區）時 chip 才變橘色，
   hover「試試看」CTA 時不變（因為那不是導詳情的動作） */
.showcase-card-main:hover .showcase-card-detail-chip {
    background: var(--brand-v3-orange-deep);
    border-color: var(--brand-v3-orange-deep);
}
.showcase-card-main:hover .showcase-card-detail-chip .arr {
    transform: translateX(3px);
}

/* 類別 badge — 騎在卡片上緣，不遮標題 */
.showcase-card-category {
    position: absolute;
    top: -12px;
    right: 18px;
    display: inline-flex;
    align-items: center;
    font-family: var(--brand-v3-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    border: 2px solid var(--brand-v3-navy);
    background: var(--brand-v3-butter);
    color: var(--brand-v3-navy);
    white-space: nowrap;
    box-shadow: var(--brand-v3-shadow-sm);
    transform: rotate(3deg);
    z-index: 1;
}
/* 類別 badge 固定在右上角，僅傾斜角度交錯保留些許錯落感 */
.showcase-card:nth-child(3n+2) .showcase-card-category {
    transform: rotate(-3deg);
}
.showcase-card:nth-child(3n+3) .showcase-card-category {
    transform: rotate(2deg);
}
/* 卡片輕微傾斜保留 brutal 貼紙感，底色統一 paper 避免干擾視覺閱讀 */
.showcase-card:nth-child(3n+1) { transform: rotate(-0.8deg); }
.showcase-card:nth-child(3n+2) { transform: rotate(0.6deg); }
.showcase-card:nth-child(3n+3) { transform: rotate(-0.3deg); }
.showcase-card:hover {
    transform: rotate(0) translate(-2px, -2px);
    box-shadow: 8px 8px 0 var(--brand-v3-navy);
}

.showcase-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
}
.showcase-card-avatar {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    border: 2px solid var(--brand-v3-navy);
    background: var(--brand-v3-cream);
    object-fit: cover;
    flex-shrink: 0;
}
.showcase-card-avatar-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 18px;
    border: 2px solid var(--brand-v3-navy);
    background: var(--brand-v3-butter);
    font-family: var(--brand-v3-display);
    font-size: 22px;
    font-weight: 800;
    color: var(--brand-v3-navy);
    flex-shrink: 0;
}
.showcase-card-title {
    flex: 1;
    font-family: var(--brand-v3-display);
    font-weight: 800;
    font-variation-settings: "opsz" 96, "wdth" 95;
    font-size: 22px;
    line-height: 1.15;
    margin: 0;
    color: var(--brand-v3-navy);
    letter-spacing: -0.02em;
    /* 限制 2 行 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.showcase-card-tagline {
    font-family: var(--brand-v3-sans);
    font-size: 14.5px;
    line-height: 1.5;
    color: var(--brand-v3-ink-soft);
    margin: 0;
    /* 限制 3 行 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.showcase-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.showcase-card-tag {
    font-family: var(--brand-v3-mono);
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--brand-v3-cream);
    border: 1.5px solid var(--brand-v3-navy);
    color: var(--brand-v3-navy);
    white-space: nowrap;
}
/* 底色統一後 tag 也不用再 override */

/* ============================
   狀態區塊（loading / empty / error）
   ============================ */

.showcase-status {
    padding: 80px 24px;
    text-align: center;
    border: 2.5px dashed var(--brand-v3-line);
    border-radius: var(--brand-v3-r-lg);
    background: var(--brand-v3-cream);
    margin-top: 24px;
}
.showcase-status h3 {
    font-family: var(--brand-v3-display);
    font-size: 26px;
    color: var(--brand-v3-navy);
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}
.showcase-status p {
    font-family: var(--brand-v3-sans);
    color: var(--brand-v3-ink-soft);
    font-size: 15px;
    margin: 0 0 24px;
}
.showcase-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--brand-v3-navy);
    border-top-color: transparent;
    border-radius: 50%;
    animation: showcaseSpin 0.8s linear infinite;
    margin: 0 auto 16px;
}
@keyframes showcaseSpin {
    to { transform: rotate(360deg); }
}

.showcase-load-more {
    text-align: center;
    margin-top: 48px;
}

/* ============================
   Footer（極簡）
   ============================ */

.showcase-footer {
    border-top: 2.5px solid var(--brand-v3-navy);
    background: var(--brand-v3-cream-2);
    padding: 32px 0;
    margin-top: 48px;
}
.showcase-footer-inner {
    max-width: var(--brand-v3-maxw);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    font-family: var(--brand-v3-mono);
    font-size: 11.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--brand-v3-ink-soft);
}
.showcase-footer nav {
    display: flex;
    gap: 24px;
}
.showcase-footer a {
    color: var(--brand-v3-navy);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 6px;
    transition: background 0.2s ease;
}
.showcase-footer a:hover {
    background: var(--brand-v3-butter);
}

/* ============================
   響應式
   ============================ */

@media (max-width: 820px) {
    .showcase-hero { padding: 80px 0 48px; }
    .showcase-hero-inner { padding: 0 20px; }
    .showcase-main-inner { padding: 0 20px; }
    .showcase-tabs { padding: 14px; gap: 8px; }
    .showcase-tab { padding: 8px 14px; font-size: 11px; }
    .showcase-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
    .showcase-card-body { padding: 22px; }
    .showcase-footer-inner { flex-direction: column; text-align: center; padding: 0 20px; }
}

@media (max-width: 640px) {
    .showcase-title { font-size: clamp(36px, 10vw, 54px); }
    .showcase-hero-ctas { flex-direction: column; width: 100%; }
    .showcase-hero-ctas .landing-btn-primary,
    .showcase-hero-ctas .landing-btn-ghost { width: 100%; text-align: center; }

    /* Mobile 卡片：單欄 + 簡化（隱藏 tags 含看詳情 chip、縮小 CTA）
       整張卡片本體仍可點 → 詳情頁 */
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .showcase-card-body {
        padding: 18px 20px;
        gap: 10px;
    }
    .showcase-card-title {
        font-size: 20px;
    }
    .showcase-card-tagline {
        -webkit-line-clamp: 2;
        font-size: 14px;
    }
    .showcase-card-tags {
        display: none;
    }
    .showcase-card-cta {
        padding: 11px 14px;
        font-size: 11px;
        letter-spacing: 0.08em;
    }
    .showcase-card-category {
        font-size: 9.5px;
        padding: 3px 9px;
        top: -10px;
    }
    .showcase-card-avatar,
    .showcase-card-avatar-fallback {
        width: 44px;
        height: 44px;
        border-radius: 14px;
    }
    .showcase-card-avatar-fallback {
        font-size: 18px;
    }
}

/* ============================
   Reduced motion
   ============================ */

@media (prefers-reduced-motion: reduce) {
    .showcase-card,
    .showcase-tab { transition: none !important; }
    .showcase-card:hover { transform: rotate(0) !important; }
    .showcase-spinner { animation: none; }
}