/* ============================================================
   ZHITANG · SACRED AMBER FORUM SYSTEM  v1.0  (2026-08-04)
   §57 论坛主题化：把 bbPress 注入 Sacred Amber 设计语言，
   对齐 shop-sacred.css 的暖黑基底 + 琥珀金 + 衬线大字。
   仅在 bbPress 页面条件加载（functions.php §57 enqueue），
   依赖 bbp-default，后到者胜。
   ============================================================ */

/* ---------- 0. 环境氛围：与商店页同款分层背景 ---------- */
body.forum-archive,
body.single-forum,
body.single-topic,
body.single-reply,
body.bbp-search {
    background-image:
        radial-gradient(1150px 540px at 88% -10%, rgba(196,169,106,.06), transparent 62%),
        radial-gradient(900px 520px at -8% 112%, rgba(139,37,0,.05), transparent 60%),
        radial-gradient(700px 380px at 50% 120%, rgba(196,169,106,.03), transparent 55%);
}
@media (min-width: 769px) {
    body.forum-archive, body.single-forum, body.single-topic,
    body.single-reply, body.bbp-search { background-attachment: fixed; }
}

/* ---------- 1. 归档页头：眉标 + 衬线大字 + 细金线 ---------- */
.zt-forum-head {
    text-align: left;
    padding: 3.2rem 0 2.4rem;
    margin-bottom: 2.6rem;
    border-bottom: 1px solid rgba(196,169,106,.16);
    position: relative;
}
.zt-forum-head::after {
    content: '';
    position: absolute;
    left: 0; bottom: -1px;
    width: 64px; height: 2px;
    background: var(--zt-amber, #c4a96a);
}
.zt-forum-eyebrow {
    font-family: var(--zt-font-sans, 'Helvetica Neue', Arial, sans-serif);
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .34em;
    color: rgba(196,169,106,.85);
    text-transform: uppercase;
    margin-bottom: 1.1rem;
}
.zt-forum-title {
    font-family: 'Playfair Display','Cormorant Garamond',var(--zt-font-serif, 'Noto Serif SC', serif);
    font-size: clamp(2.2rem, 4.4vw, 3.4rem);
    font-weight: 600;
    letter-spacing: .03em;
    line-height: 1.12;
    color: var(--zt-text, #f0ead9);
    margin: 0;
}
.zt-forum-sub {
    margin-top: .9rem;
    color: rgba(240,234,217,.52);
    font-size: .92rem;
    letter-spacing: .06em;
}

/* ---------- 2. 列表容器：展柜描边，告别默认浅灰 ---------- */
#bbpress-forums { background: transparent; font-size: .95rem; }
#bbpress-forums ul.bbp-forums,
#bbpress-forums ul.bbp-topics,
#bbpress-forums ul.bbp-replies,
#bbpress-forums ul.bbp-search-results {
    border: 1px solid rgba(196,169,106,.18);
    background: rgba(255,255,255,.015);
}
/* 表头：琥珀小字眉标风 */
#bbpress-forums li.bbp-header {
    background: rgba(196,169,106,.07) !important;
    border-bottom: 1px solid rgba(196,169,106,.18);
    background-image: none !important;
}
#bbpress-forums li.bbp-header li,
#bbpress-forums li.bbp-header div {
    color: rgba(196,169,106,.9) !important;
    font-family: var(--zt-font-sans, 'Helvetica Neue', Arial, sans-serif);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-shadow: none;
}
/* 表尾空行：隐藏 */
#bbpress-forums li.bbp-footer { display: none !important; }
/* 行：透明 + 细金分隔 + hover 微光 */
#bbpress-forums .bbp-body > ul.odd,
#bbpress-forums .bbp-body > ul.even { background: transparent !important; }
#bbpress-forums .bbp-body > ul {
    border-top: 1px solid rgba(196,169,106,.12);
    transition: background .3s;
}
#bbpress-forums .bbp-body > ul:first-child { border-top: none; }
#bbpress-forums .bbp-body > ul:hover { background: rgba(196,169,106,.045); }

/* ---------- 3. 标题与链接：琥珀金 ---------- */
#bbpress-forums .bbp-forum-title,
#bbpress-forums .bbp-topic-permalink,
#bbpress-forums .bbp-topic-title a,
#bbpress-forums .bbp-reply-to a {
    color: #d4b574;
    font-family: var(--zt-font-serif, 'Noto Serif SC', serif);
    font-weight: 600;
    font-size: 1.06rem;
    text-decoration: none;
    transition: color .25s;
}
#bbpress-forums .bbp-forum-title:hover,
#bbpress-forums .bbp-topic-permalink:hover,
#bbpress-forums .bbp-topic-title a:hover {
    color: #e8cf9a;
    text-decoration: underline;
    text-decoration-color: rgba(196,169,106,.5);
    text-underline-offset: 6px;
}
/* 描述文字 */
#bbpress-forums .bbp-forum-content,
#bbpress-forums .bbp-topic-excerpt {
    color: rgba(240,234,217,.52);
    font-size: .86rem;
}
/* 子版块小链 */
#bbpress-forums .bbp-forum-info a:not(.bbp-forum-title),
#bbpress-forums .bbp-topic-info a:not(.bbp-topic-permalink) {
    color: rgba(196,169,106,.75);
    font-size: .82rem;
}
/* 计数列 */
#bbpress-forums li.bbp-forum-topic-count,
#bbpress-forums li.bbp-forum-reply-count,
#bbpress-forums li.bbp-topic-voice-count,
#bbpress-forums li.bbp-topic-reply-count {
    color: rgba(240,234,217,.6);
}
/* 最后活跃列 */
#bbpress-forums li.bbp-forum-freshness,
#bbpress-forums li.bbp-topic-freshness {
    color: rgba(240,234,217,.55);
    font-size: .84rem;
}
#bbpress-forums li.bbp-forum-freshness a,
#bbpress-forums li.bbp-topic-freshness a { color: rgba(196,169,106,.85); }

/* ---------- 4. 提示条：暖金底，替换默认蓝/黄 ---------- */
#bbpress-forums .bbp-template-notice {
    background: rgba(196,169,106,.07);
    border: 1px solid rgba(196,169,106,.28);
    color: rgba(240,234,217,.78);
    border-radius: 2px;
    padding: .7rem 1rem;
}
#bbpress-forums .bbp-template-notice.info {
    background: rgba(196,169,106,.045);
    border-color: rgba(196,169,106,.2);
}
#bbpress-forums .bbp-template-notice.error,
#bbpress-forums .bbp-template-notice.warn {
    background: rgba(139,37,0,.14);
    border-color: rgba(178,80,50,.4);
    color: rgba(240,220,200,.85);
}
#bbpress-forums .bbp-template-notice a { color: rgba(196,169,106,.95); }

/* ---------- 5. 表单：登录/发帖/搜索 ---------- */
/* 注意：bbp-default 用 #bbpress-forums fieldset.bbp-form，
   这里必须同构选择器才能压过它 */
#bbpress-forums fieldset.bbp-form {
    border: 1px solid rgba(196,169,106,.22) !important;
    background: rgba(255,255,255,.02);
    padding: 1.6rem;
    border-radius: 2px;
    margin-bottom: 1.4rem;
}
#bbpress-forums fieldset.bbp-form legend {
    color: rgba(196,169,106,.92);
    font-family: var(--zt-font-serif, 'Noto Serif SC', serif);
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: .14em;
    padding: 0 .5rem;
}
#bbpress-forums fieldset.bbp-form label {
    color: rgba(240,234,217,.62);
    font-size: .82rem;
    letter-spacing: .08em;
}
#bbpress-forums input[type="text"],
#bbpress-forums input[type="password"],
#bbpress-forums input[type="search"],
#bbpress-forums input[type="email"],
#bbpress-forums textarea,
#bbpress-forums select {
    background: rgba(10,8,5,.55);
    border: 1px solid rgba(196,169,106,.22);
    color: #ece4d0;
    padding: .55rem .8rem;
    border-radius: 2px;
    transition: border-color .25s, box-shadow .25s;
}
#bbpress-forums input[type="text"]:focus,
#bbpress-forums input[type="password"]:focus,
#bbpress-forums input[type="search"]:focus,
#bbpress-forums textarea:focus {
    border-color: rgba(196,169,106,.6);
    box-shadow: 0 0 0 3px rgba(196,169,106,.12);
    outline: none;
}
#bbpress-forums .button.submit,
#bbpress-forums .bbp-submit-wrapper .button,
#bbpress-forums button[type="submit"] {
    background: linear-gradient(135deg, #c9a86a, #a9843f);
    color: #171310;
    border: none;
    padding: .6rem 1.6rem;
    letter-spacing: .12em;
    font-weight: 600;
    border-radius: 2px;
    cursor: pointer;
    transition: filter .25s;
}
#bbpress-forums .button.submit:hover { filter: brightness(1.12); }
#bbpress-forums .bbp-remember-me { color: rgba(240,234,217,.55); }

/* ---------- 6. 分页 ---------- */
#bbpress-forums .bbp-pagination { border: none; }
#bbpress-forums .bbp-pagination-links a,
#bbpress-forums .bbp-pagination-links span {
    border: 1px solid rgba(196,169,106,.25);
    color: rgba(240,234,217,.7);
    background: transparent;
    padding: .25rem .6rem;
    border-radius: 2px;
}
#bbpress-forums .bbp-pagination-links span.current {
    background: rgba(196,169,106,.9);
    color: #171310;
    border-color: transparent;
}
#bbpress-forums .bbp-pagination-links a:hover { border-color: rgba(196,169,106,.6); color: #e8cf9a; }

/* ---------- 7. 面包屑 ---------- */
#bbpress-forums .bbp-breadcrumb,
#bbpress-forums .bbp-breadcrumb p {
    color: rgba(240,234,217,.45);
    font-size: .8rem;
    letter-spacing: .06em;
}
#bbpress-forums .bbp-breadcrumb a { color: rgba(196,169,106,.8); }
#bbpress-forums .bbp-breadcrumb .bbp-breadcrumb-current { color: rgba(240,234,217,.7); }

/* ---------- 8. 话题/回复 内容区 ---------- */
#bbpress-forums .bbp-topic-header,
#bbpress-forums .bbp-reply-header {
    background: rgba(196,169,106,.05) !important;
    background-image: none !important;
    border-bottom: 1px solid rgba(196,169,106,.14);
    color: rgba(240,234,217,.5);
}
#bbpress-forums .bbp-topic-header a,
#bbpress-forums .bbp-reply-header a { color: rgba(196,169,106,.85); }
#bbpress-forums .bbp-topic-content,
#bbpress-forums .bbp-reply-content {
    color: rgba(240,234,217,.88);
    line-height: 1.8;
}
#bbpress-forums .bbp-topic-content a,
#bbpress-forums .bbp-reply-content a { color: #d4b574; }
#bbpress-forums .bbp-author-name { color: rgba(196,169,106,.9); }
#bbpress-forums .bbp-topic-post-date,
#bbpress-forums .bbp-reply-post-date { color: rgba(240,234,217,.4); font-size: .78rem; }

/* ---------- 9. 隐藏与论坛语境无关的 Astra 元素 ---------- */
body.single-forum .entry-meta,
body.single-topic .entry-meta,
body.single-reply .entry-meta { display: none; }
body.single-forum .post-navigation,
body.single-forum .ast-single-post-nav,
body.single-topic .post-navigation,
body.single-topic .ast-single-post-nav,
body.single-reply .post-navigation,
body.single-reply .ast-single-post-nav { display: none; }
body.single-forum .ast-blog-single-style-1 .entry-header,
body.single-forum footer.entry-meta { display: none; }