/* ═══════════════════════════════════════════════════════════════
   announcement.css —— 公告列表頁 / 公告詳細頁
═══════════════════════════════════════════════════════════════ */

/* ── 頁首 ────────────────────────────────────────────────────── */
.pa-head {
    background: var(--pt-surface);
    border-bottom: 1px solid var(--pt-line);
    padding: 2.75rem 0 2.5rem;
}
.pa-head__title {
    font-size: clamp(1.7rem, 3.2vw, 2.25rem);
    font-weight: 800;
    color: var(--pt-ink);
    line-height: 1.3;
    margin-top: .75rem;
}
.pa-head__desc {
    color: var(--pt-text-2);
    font-size: .94rem;
    margin-top: .55rem;
}

/* 麵包屑 */
.pa-crumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .45rem;
    font-size: .82rem;
    color: var(--pt-text-3);
}
.pa-crumb a { color: var(--pt-text-2); transition: color .2s; }
.pa-crumb a:hover { color: var(--pt-dark); }
.pa-crumb__sep { color: var(--pt-line-2); }

/* ── 分類篩選 ────────────────────────────────────────────────── */
.pa-filters {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin: 2.25rem 0 1.75rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--pt-line);
}
.pa-filter {
    font-size: .85rem;
    font-weight: 500;
    color: var(--pt-text-2);
    padding: .45rem 1rem;
    border: 1px solid var(--pt-line);
    border-radius: 999px;
    background: var(--pt-surface);
    transition: border-color .2s, color .2s, background .2s;
}
.pa-filter:hover { border-color: var(--pt-line-2); color: var(--pt-dark); }
.pa-filter.is-active {
    background: var(--pt-dark);
    border-color: var(--pt-dark);
    color: #fff;
    font-weight: 600;
}
.pa-count {
    margin-left: auto;
    align-self: center;
    align-self: center;
    font-size: .82rem;
    color: var(--pt-text-3);
}

/* ── 列表 ────────────────────────────────────────────────────── */
.pa-list { padding: 0 0 3.5rem; }

.pa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

/* ── 分頁 ────────────────────────────────────────────────────── */
.pa-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    margin-top: 2.75rem;
    flex-wrap: wrap;
}
.pa-pager__item {
    min-width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 .7rem;
    font-family: 'Outfit', 'Noto Sans TC', sans-serif;
    font-size: .86rem;
    font-weight: 500;
    color: var(--pt-text);
    background: var(--pt-surface);
    border: 1px solid var(--pt-line);
    border-radius: var(--pt-radius-sm);
    transition: border-color .2s, background .2s, color .2s;
}
.pa-pager__item:hover { border-color: var(--pt-dark); color: var(--pt-dark); }
.pa-pager__item.is-current {
    background: var(--pt-dark);
    border-color: var(--pt-dark);
    color: #fff;
    font-weight: 700;
}
.pa-pager__item.is-disabled {
    color: var(--pt-line-2);
    pointer-events: none;
    background: transparent;
}
.pa-pager__gap { color: var(--pt-text-3); padding: 0 .3rem; }

/* ══════════════════════════════════════════════════════════════
   詳細頁
══════════════════════════════════════════════════════════════ */
.pa-article {
    padding: 2.75rem 0 3.5rem;
}
.pa-article__inner {
    max-width: 780px;
    margin: 0 auto;
}

.pa-article__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .7rem;
    margin-bottom: 1rem;
}

.pa-article__title {
    font-size: clamp(1.55rem, 3.2vw, 2.1rem);
    font-weight: 800;
    color: var(--pt-ink);
    line-height: 1.45;
    letter-spacing: .005em;
}

.pa-article__sub {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .35rem 1.25rem;
    margin-top: 1.1rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--pt-deep);
    font-size: .85rem;
    color: var(--pt-text-3);
}
.pa-article__sub span { display: inline-flex; align-items: center; gap: .35rem; }

.pa-article__cover {
    margin: 2rem 0;
    border-radius: var(--pt-radius);
    overflow: hidden;
    border: 1px solid var(--pt-line);
}
.pa-article__cover img { width: 100%; }

.pa-article__lead {
    font-size: 1.02rem;
    line-height: 1.95;
    color: var(--pt-text);
    background: var(--pt-soft);
    border-left: 3px solid var(--pt-primary);
    border-radius: 0 var(--pt-radius-sm) var(--pt-radius-sm) 0;
    padding: 1.15rem 1.4rem;
    margin: 2rem 0;
}

.pa-article__body {
    font-size: 1rem;
    line-height: 2.05;
    color: var(--pt-text);
    margin-top: 2rem;
}
.pa-article__body p { margin-bottom: 1.5rem; }
.pa-article__body p:last-child { margin-bottom: 0; }

/* 上一篇 / 下一篇 */
.pa-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--pt-line);
}
.pa-nav__item {
    display: block;
    background: var(--pt-surface);
    border: 1px solid var(--pt-line);
    border-radius: var(--pt-radius);
    padding: 1.1rem 1.3rem;
    transition: border-color .2s, box-shadow .2s;
}
.pa-nav__item:hover { border-color: var(--pt-line-2); box-shadow: var(--pt-shadow-md); }
.pa-nav__item--next { text-align: right; }
.pa-nav__label {
    font-size: .74rem;
    font-weight: 600;
    letter-spacing: .1em;
    color: var(--pt-text-3);
    text-transform: uppercase;
    font-family: 'Outfit', 'Noto Sans TC', sans-serif;
}
.pa-nav__title {
    font-size: .92rem;
    font-weight: 600;
    color: var(--pt-ink);
    margin-top: .4rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pa-nav__item--empty {
    border-style: dashed;
    color: var(--pt-text-3);
    pointer-events: none;
    background: transparent;
}

/* 相關公告 */
.pa-related {
    background: var(--pt-bg-alt);
    border-top: 1px solid var(--pt-line);
    padding: 3.25rem 0 4rem;
}

@media (max-width: 640px) {
    .pa-nav { grid-template-columns: 1fr; }
    .pa-nav__item--next { text-align: left; }
    .pa-filters { gap: .4rem; }
    .pa-count { margin-left: 0; width: 100%; }
    .pa-grid { grid-template-columns: 1fr; }
}


/* ══════════════════════════════════════════════════════════════
   檢視切換：網格 / 列表
   兩種版面共用同一份 DOM —— 列表模式以 display:contents 把卡片
   內層攤平成格線項目，因此不需要重複輸出兩套標記。
══════════════════════════════════════════════════════════════ */
.pa-viewswitch {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    background: var(--bg, #F4F8FA);
    border: 1px solid var(--border);
    border-radius: 999px;
    margin-left: .85rem;
}

.pa-viewswitch__btn {
    display: inline-flex;
    align-items: center;
    gap: .38rem;
    font-family: inherit;
    font-size: .8rem;
    font-weight: 600;
    line-height: 1;
    color: var(--text-2);
    background: transparent;
    border: none;
    border-radius: 999px;
    padding: .45rem .85rem;
    cursor: pointer;
    transition: background .18s, color .18s;
}
.pa-viewswitch__btn:hover { color: var(--primary-dark); }
.pa-viewswitch__btn.is-active {
    background: var(--card);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

/* ── 網格（預設） ── */
.pa-items.is-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

/* ── 列表 ── */
.pa-items.is-list {
    display: block;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.pa-items.is-list .pt-card {
    display: grid;
    grid-template-columns: 6.6rem 9rem minmax(0, 1fr);
    align-items: center;
    gap: 0 1.25rem;
    padding: .8rem 1.25rem;
    border: none;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    box-shadow: none;
    transform: none;
}
.pa-items.is-list .pt-card:last-child { border-bottom: none; }
.pa-items.is-list .pt-card:hover {
    background: var(--bg, #F4F8FA);
    box-shadow: none;
    transform: none;
}

/* 攤平卡片內層，讓日期／分類／標題成為同一層格線項目 */
.pa-items.is-list .pt-card__body,
.pa-items.is-list .pt-card__meta { display: contents; }

.pa-items.is-list .pt-card__media,
.pa-items.is-list .pt-card__summary,
.pa-items.is-list .pt-card__foot { display: none; }

/* 三欄都歸零行高與外距，列高才會一致 */
.pa-items.is-list .pt-date,
.pa-items.is-list .pt-card__labels,
.pa-items.is-list .pt-card__title {
    margin: 0;
    line-height: 1.6;
}
/* 三者都固定在第一列：display:contents 攤平後的自動排版
   會因為欄序不連續而另起新列，必須明確指定 grid-row */
.pa-items.is-list .pt-date        { grid-column: 1; grid-row: 1; }
.pa-items.is-list .pt-card__labels { grid-column: 2; grid-row: 1; }
.pa-items.is-list .pt-card__title {
    grid-column: 3;
    grid-row: 1;
    font-size: .97rem;
    font-weight: 600;
    /* 單行截斷，讓每一列等高 */
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pa-items.is-list .pt-card:hover .pt-card__title {
    color: var(--primary-dark);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
}

@media (max-width: 760px) {
    .pa-viewswitch { margin-left: 0; }
    .pa-items.is-list .pt-card {
        grid-template-columns: auto auto;
        justify-content: start;
        gap: .35rem .9rem;
        padding: .9rem 1.1rem;
    }
    .pa-items.is-list .pt-card__title {
        grid-column: 1 / -1;
        grid-row: 2;
        white-space: normal;
    }
}

/* ══════════════════════════════════════════════════════════════
   由各團申請刊登的公告：發布單位、活動時間地點、取消
══════════════════════════════════════════════════════════════ */
.pa-article__source { color: var(--pt-dark); font-weight: 600; }

.pa-cancel {
    margin-top: 1.5rem;
    padding: .9rem 1.1rem;
    border: 1px solid #EFC6C1;
    border-left: 3px solid #A8322A;
    border-radius: var(--pt-radius-sm);
    background: #FBEAE8;
    color: #6E2520;
    font-size: .92rem;
    line-height: 1.75;
}
.pa-cancel strong { display: block; color: #A8322A; }

.pa-event {
    margin-top: 1.5rem;
    display: grid;
    gap: .5rem;
    padding: 1rem 1.15rem;
    border: 1px solid var(--pt-line-2);
    border-radius: var(--pt-radius-sm);
    background: var(--pt-bg);
    font-size: .95rem;
    color: var(--pt-ink);
}
.pa-event > div { display: flex; gap: .6rem; align-items: flex-start; }
.pa-event .pt-i { color: var(--pt-dark); font-size: 1.05rem; margin-top: .3rem; flex: none; }
.pa-event__k {
    display: inline-block;
    min-width: 2.6em;
    margin-right: .5rem;
    font-size: .8rem;
    font-weight: 600;
    color: var(--pt-text-3);
}

/* 列表檢視：發布單位排在標題下一列 */
.pa-items.is-list .pt-card__source { grid-column: 3; grid-row: 2; margin: 0; }
@media (max-width: 700px) {
    .pa-items.is-list .pt-card__source { grid-column: 1 / -1; grid-row: 3; }
}