/* =============================================================
 * 门户栏目页共享样式（category/show + 栏目专属模板共用）
 * 路径: public/static/css/category.css
 * 说明: 全部颜色走 CSS 变量；各栏目模板在 :root 覆盖配色即可换肤。
 * 结构: 左侧 220px 固定导航(.cat-side) + 右侧栏目主体(.cat-main)。
 * ============================================================= */

/* ---------- 布局 ---------- */
.cat-app { display: flex; min-height: 70vh; }
.cat-side { width: 220px; background: var(--surface, #fff); border-right: 1px solid var(--line, #e5e7eb); position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; z-index: 100; padding: 18px 0; flex-shrink: 0; }
.cat-side .cat-logo { padding: 0 18px 14px; border-bottom: 1px solid var(--line, #e5e7eb); margin-bottom: 4px; }
.cat-side .cat-logo .mark { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; background: var(--brand, #0a9d5f); color: #fff; border-radius: 8px; font-weight: 800; font-size: 14px; margin-right: 6px; vertical-align: middle; }
.cat-side .cat-logo b { font-size: 14px; color: var(--ink-1, #0f172a); }
.cat-side .cat-logo .en { font-size: 10.5px; color: var(--ink-4, #94a3b8); display: block; margin-top: 2px; letter-spacing: .04em; }
.cat-side .cap { padding: 10px 18px 4px; font-size: 11px; color: var(--ink-4, #94a3b8); letter-spacing: .1em; font-weight: 600; }
.cat-side nav a { display: flex; align-items: center; gap: 9px; padding: 8px 18px; font-size: 13px; color: var(--ink-2, #334155); border-left: 3px solid transparent; text-decoration: none; transition: all .15s; }
.cat-side nav a .emo { font-size: 15px; width: 22px; text-align: center; flex-shrink: 0; }
.cat-side nav a:hover { background: var(--brand-soft, #e8f7f0); color: var(--brand-ink, #056a3e); }
.cat-side nav a.active { background: var(--brand-soft, #e8f7f0); color: var(--brand-ink, #056a3e); font-weight: 600; border-left-color: var(--brand, #0a9d5f); }
.cat-main { margin-left: 220px; flex: 1; min-width: 0; padding: 26px 10px 60px; }
@media (max-width: 860px) { .cat-side { display: none; } .cat-main { margin-left: 0; } }

/* ---------- 栏目头部横幅 ---------- */
.cat-hero { display: flex; align-items: center; gap: 16px; background: var(--hero-bg, linear-gradient(135deg, #f0fdf6, #e6f7f0)); border: 1px solid var(--line, #e5e7eb); border-radius: 16px; padding: 22px 26px; margin-bottom: 22px; flex-wrap: wrap; }
.cat-hero .cat-ic { width: 54px; height: 54px; border-radius: 14px; background: var(--brand-soft, #e8f7f0); color: var(--brand-ink, #056a3e); display: flex; align-items: center; justify-content: center; font-size: 27px; flex-shrink: 0; box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.05)); }
.cat-hero .cat-tx { flex: 1; min-width: 200px; }
.cat-hero h1 { font-size: 23px; font-weight: 800; color: var(--ink-1, #0f172a); margin: 0 0 5px; letter-spacing: -.3px; }
.cat-hero .sub { margin: 0; color: var(--ink-3, #64748b); font-size: 13px; }
.cat-hero .cat-back { margin-left: auto; background: var(--brand, #0a9d5f); color: #fff; padding: 9px 18px; border-radius: 9px; text-decoration: none; font-size: 13px; font-weight: 600; box-shadow: var(--shadow-sm, none); }
.cat-hero .cat-back:hover { filter: brightness(1.06); }

/* ---------- 分区标题 ---------- */
.cat-sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 6px 0 14px; }
.cat-sec-head h2 { font-size: 16.5px; font-weight: 800; color: var(--ink-1, #0f172a); margin: 0; }
.cat-sec-head .en { font-size: 11px; color: var(--ink-4, #94a3b8); letter-spacing: .06em; }
.cat-sec-head .more { font-size: 12.5px; color: var(--ink-3, #64748b); text-decoration: none; }
.cat-sec-head .more:hover { color: var(--brand-ink, #056a3e); }

/* ---------- 内容卡片网格 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(252px, 1fr)); gap: 15px; margin-bottom: 26px; }
.cat-card { background: var(--surface, #fff); border: 1px solid var(--line, #e5e7eb); border-radius: 14px; padding: 17px 18px; transition: all .15s; text-decoration: none; color: inherit; display: block; position: relative; }
.cat-card:hover { box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,.08)); transform: translateY(-2px); border-color: var(--brand-line, #c5ecd6); }
.cat-card .star { position: absolute; top: -1px; right: 12px; transform: rotate(0); font-size: 11px; font-weight: 700; }
.cat-card .nm { font-size: 14px; font-weight: 700; margin-bottom: 6px; color: var(--ink-1, #0f172a); line-height: 1.5; }
.cat-card .nm:hover { color: var(--brand-ink, #056a3e); }
.cat-card .ds { font-size: 12px; color: var(--ink-3, #64748b); line-height: 1.6; margin-bottom: 10px; min-height: 30px; }
.cat-card .meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.cat-card .dl { margin-left: auto; font-size: 11px; color: var(--ink-4, #94a3b8); }
.badge { padding: 2px 7px; border-radius: 4px; font-size: 10.5px; font-weight: 600; }
.badge.blue { background: var(--c-blue-soft, #dbeafe); color: var(--c-blue-ink, #1e40af); }
.badge.purple { background: var(--c-purple-soft, #ede9fe); color: var(--c-purple-ink, #5b21b6); }
.badge.orange { background: var(--c-orange-soft, #fef3c7); color: var(--c-orange-ink, #92400e); }
.badge.teal { background: var(--c-teal-soft, #ccfbf1); color: var(--c-teal-ink, #0f766e); }
.badge.green { background: var(--brand-soft, #e8f7f0); color: var(--brand-ink, #056a3e); }
.badge.pink { background: var(--c-pink-soft, #fce7f3); color: var(--c-pink-ink, #be185d); }
.badge.gray { background: var(--surface-2, #f1f5f9); color: var(--ink-3, #64748b); }

/* ---------- 空态 ---------- */
.cat-empty { background: var(--surface, #fff); border: 1px dashed var(--line, #e5e7eb); border-radius: 14px; padding: 48px 24px; text-align: center; color: var(--ink-3, #64748b); }

/* ---------- 占位内容区（page 模块栏目） ---------- */
.ph-block { background: var(--surface, #fff); border: 1px solid var(--line, #e5e7eb); border-radius: 16px; padding: 22px 24px; margin-bottom: 22px; }
.ph-block .ph-t { font-size: 13px; color: var(--ink-4, #94a3b8); margin-bottom: 14px; letter-spacing: .04em; }

/* GitHub 镜像 */
.gh-list { display: flex; flex-direction: column; gap: 10px; }
.gh-row { display: flex; align-items: center; gap: 14px; padding: 13px 16px; background: var(--surface-2, #f5f7fa); border: 1px solid var(--line, #e5e7eb); border-radius: 10px; text-decoration: none; color: inherit; transition: all .15s; }
.gh-row:hover { border-color: var(--brand-line, #c5ecd6); transform: translateY(-1px); }
.gh-mark { width: 40px; height: 40px; border-radius: 10px; background: var(--ink-1, #0f172a); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px; letter-spacing: -.5px; flex-shrink: 0; }
.gh-tx { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.gh-tx b { font-size: 14px; color: var(--ink-1, #0f172a); font-weight: 600; }
.gh-tx i { font-size: 11.5px; color: var(--ink-4, #94a3b8); font-style: normal; }
.gh-go { font-size: 12px; color: var(--brand-ink, #056a3e); font-weight: 600; flex-shrink: 0; }

/* Skill 标签 */
.ph-title { font-size: 14px; font-weight: 700; color: var(--ink-1, #0f172a); margin-bottom: 14px; }
.ph-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.ph-tag { padding: 5px 13px; border-radius: 999px; background: var(--surface-2, #f5f7fa); color: var(--ink-2, #334155); font-size: 12.5px; border: 1px solid var(--line, #e5e7eb); }
.ph-tag.hot { background: var(--brand-soft, #e8f7f0); color: var(--brand-ink, #056a3e); border-color: var(--brand-line, #c5ecd6); font-weight: 600; }

/* 资源榜 */
.rk-wrap { display: flex; flex-direction: column; }
.rk-row { display: flex; align-items: center; gap: 13px; padding: 12px 16px; border-top: 1px solid var(--line, #e5e7eb); text-decoration: none; color: inherit; transition: background .12s; }
.rk-row:first-child { border-top: 0; }
.rk-row:hover { background: var(--surface-2, #f5f7fa); }
.rk-no { width: 26px; height: 26px; border-radius: 7px; background: var(--surface-2, #f1f5f9); color: var(--ink-3, #64748b); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 12.5px; flex-shrink: 0; }
.rk-no.gold { background: #f59e0b; color: #fff; }
.rk-no.silver { background: #a0aec0; color: #fff; }
.rk-no.bronze { background: #cd7f32; color: #fff; }
.rk-tt { flex: 1; min-width: 0; font-size: 13.5px; color: var(--ink-1, #0f172a); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rk-row:hover .rk-tt { color: var(--brand-ink, #056a3e); }
.rk-hit { font-size: 12px; color: var(--ink-4, #94a3b8); flex-shrink: 0; }

/* 标签云 */
.tg-cloud { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; line-height: 2; padding: 8px 4px; }
.tg-cloud a { text-decoration: none; font-weight: 600; transition: opacity .15s, transform .15s; }
.tg-cloud a:hover { opacity: .7; transform: translateY(-1px); }

/* 友链 */
.lk-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.lk-pill { padding: 7px 15px; border-radius: 999px; background: var(--surface-2, #f5f7fa); border: 1px solid var(--line, #e5e7eb); font-size: 13px; color: var(--ink-2, #334155); text-decoration: none; transition: all .15s; }
.lk-pill:hover { border-color: var(--brand-line, #c5ecd6); color: var(--brand-ink, #056a3e); background: var(--brand-soft, #e8f7f0); }