/* 水华 Lab · 论坛样式
   概念：实验运行记录。全站唯一的视觉重点是帖子左侧的状态灯条：
   已解决 = 墨绿，精选/官方 = 琥珀，其余 = 浅灰。其他元素保持克制。 */

:root {
  --lab-ink: #173c2f;
  --lab-ink-soft: #e4ece8;
  --lab-fog: #f2f4f3;
  --lab-paper: #ffffff;
  --lab-text: #1c2622;
  --lab-moss: #66756e;
  --lab-line: #dfe5e2;
  --lab-signal: #c9820e;
  --lab-signal-soft: #fbf1df;
  --lab-radius: 10px;
  --lab-font: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --lab-code: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  --bs-body-font-family: var(--lab-font);
  --bs-body-color: var(--lab-text);
  --bs-body-bg: var(--lab-fog);
  --bs-secondary-color: var(--lab-moss);
  --bs-border-color: var(--lab-line);
  --bs-primary: var(--lab-ink);
  --bs-primary-rgb: 23, 60, 47;
  --bs-link-color: var(--lab-ink);
  --bs-link-color-rgb: 23, 60, 47;
  --bs-link-hover-color: #0f2a20;
  --bs-success: #1f6b47;
  --bs-success-rgb: 31, 107, 71;
}

body {
  font-family: var(--lab-font);
  background: var(--lab-fog);
  color: var(--lab-text);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
code, pre, kbd { font-family: var(--lab-code); }

/* 顶栏：白底细线，品牌字标前加方形印记 */
nav.navbar {
  background: rgba(255, 255, 255, .92) !important;
  border-bottom: 1px solid var(--lab-line);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
  min-height: 60px;
}
nav.navbar a.lh-1 { display: inline-flex; align-items: center; gap: 10px; color: var(--lab-ink) !important; font-weight: 700; font-size: 18px; letter-spacing: .02em; text-decoration: none; }
nav.navbar a.lh-1::before {
  content: "水";
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--lab-ink); color: #fff;
  font-size: 15px; font-weight: 700; letter-spacing: 0;
}
nav.navbar .placeholder-search {
  background: var(--lab-fog) !important;
  border: 1px solid transparent !important;
  border-radius: 999px !important;
  color: var(--lab-text) !important;
  height: 38px;
}
nav.navbar .placeholder-search:focus { background: #fff !important; border-color: var(--lab-ink) !important; box-shadow: 0 0 0 3px rgba(23, 60, 47, .12) !important; }
nav.navbar .placeholder-search::placeholder { color: var(--lab-moss); }
nav.navbar .search-icon { color: var(--lab-moss) !important; }
nav.navbar .btn-link { color: var(--lab-text) !important; text-decoration: none; }
nav.navbar .btn-light { background: var(--lab-ink) !important; border-color: var(--lab-ink) !important; color: #fff !important; border-radius: 8px; padding-inline: 16px; }

/* 按钮与表单 */
.btn { border-radius: 8px; }
.btn-primary { --bs-btn-bg: var(--lab-ink); --bs-btn-border-color: var(--lab-ink); --bs-btn-hover-bg: #0f2a20; --bs-btn-hover-border-color: #0f2a20; --bs-btn-active-bg: #0f2a20; --bs-btn-disabled-bg: var(--lab-ink); }
.btn-outline-primary { --bs-btn-color: var(--lab-ink); --bs-btn-border-color: var(--lab-ink); --bs-btn-hover-bg: var(--lab-ink); --bs-btn-hover-border-color: var(--lab-ink); --bs-btn-active-bg: var(--lab-ink); }
.btn-outline-secondary { --bs-btn-color: var(--lab-moss); --bs-btn-border-color: var(--lab-line); --bs-btn-hover-bg: var(--lab-fog); --bs-btn-hover-color: var(--lab-text); --bs-btn-hover-border-color: var(--lab-line); --bs-btn-active-bg: var(--lab-ink-soft); --bs-btn-active-color: var(--lab-ink); --bs-btn-active-border-color: var(--lab-line); }
.form-control, .form-select { border-radius: 8px; border-color: var(--lab-line); }
.form-control:focus, .form-select:focus { border-color: var(--lab-ink); box-shadow: 0 0 0 3px rgba(23, 60, 47, .12); }
:focus-visible { outline: 2px solid var(--lab-ink); outline-offset: 2px; }

/* 左侧导航 */
#sideNav .nav-link { color: var(--lab-moss); border-radius: 8px; padding: 8px 12px; font-weight: 500; }
#sideNav .nav-link i { opacity: .7; }
#sideNav .nav-link:hover { color: var(--lab-text); background: rgba(23, 60, 47, .05); }
#sideNav .nav-link.active { background: var(--lab-ink-soft); color: var(--lab-ink); font-weight: 600; }
#sideNav .nav-link.active i { opacity: 1; }

/* 页面标题 */
h5.fs-5 { font-size: 22px !important; font-weight: 700; letter-spacing: .01em; color: var(--lab-text); }

/* 置顶：横向排列的三张公告，以琥珀顶线区分 */
.hstack > .list-group-item > a.border {
  background: var(--lab-paper);
  border: 1px solid var(--lab-line) !important;
  border-top: 3px solid var(--lab-signal) !important;
  border-radius: var(--lab-radius) !important;
  padding: 14px 16px !important;
  text-decoration: none;
}
.hstack > .list-group-item > a.border:hover { border-color: #cfd8d3 !important; border-top-color: var(--lab-signal) !important; }
.hstack > .list-group-item > a.border h6 { font-size: 15px; font-weight: 600; line-height: 1.5; }

/* 帖子列表：白色面板 + 行；左侧状态灯条是全站的视觉重点 */
.list-group:has(> .list-group-item.py-3) {
  background: var(--lab-paper);
  border: 1px solid var(--lab-line);
  border-radius: 14px;
  overflow: hidden;
}
.list-group-item.py-3 {
  position: relative;
  background: transparent;
  border-color: var(--lab-line) !important;
  padding: 20px 24px 18px 30px !important;
}
.list-group-item.py-3::before {
  content: "";
  position: absolute; left: 14px; top: 22px; bottom: 22px;
  width: 3px; border-radius: 3px;
  background: var(--lab-line);
}
.list-group-item.py-3:has(.text-bg-success)::before { background: var(--lab-ink); }
.list-group-item.py-3:has(.badge-tag-reserved)::before { background: var(--lab-signal); }
.list-group-item.py-3:hover { background: #fafbfa; }
/* 置顶区本身也是一个列表项，不需要灯条 */
.list-group-item.py-3:has(.hstack) { padding: 16px 20px !important; background: var(--lab-fog); }
.list-group-item.py-3:has(.hstack)::before { display: none; }
.list-group-item.py-3:has(.hstack):hover { background: var(--lab-fog); }
.list-group-item.py-3 h5 { font-size: 17px; font-weight: 600; line-height: 1.5; margin: 6px 0 6px; }
.list-group-item.py-3 h5 a { color: var(--lab-text) !important; }
.list-group-item.py-3 h5 a:hover { color: var(--lab-ink) !important; }
.list-group-item.py-3 .text-truncate-2 a { color: var(--lab-moss) !important; line-height: 1.7; }
.list-group-item.py-3 .bi-hand-thumbs-up-fill,
.list-group-item.py-3 .bi-chat-square-text-fill,
.list-group-item.py-3 .bi-bar-chart-fill { opacity: .55; }
.list-group-item.py-3 .text-bg-success { background: var(--lab-ink-soft) !important; color: var(--lab-ink) !important; font-weight: 600; }

/* 标签：板块 = 墨绿浅底，评选/公告 = 琥珀浅底，其他 = 雾白 */
.badge-tag {
  border-radius: 6px !important;
  padding: 3px 8px;
  font-size: 12.5px;
  font-weight: 500;
  background: var(--lab-fog);
  color: var(--lab-moss);
  border: 0;
}
.badge-tag-required { background: var(--lab-ink-soft); color: var(--lab-ink); }
.badge-tag-reserved { background: var(--lab-signal-soft); color: #8a5a08; }
.badge-tag:hover { filter: brightness(.97); }

/* 侧栏卡片 */
.card {
  border: 1px solid var(--lab-line);
  border-radius: 14px;
  background: var(--lab-paper);
}
.card-header {
  background: transparent;
  border-bottom: 0;
  padding: 16px 18px 4px;
  font-weight: 700;
  font-size: 15px;
  color: var(--lab-text);
}
.card-body { padding: 10px 18px 16px; }
.card-title { font-weight: 700; }
.lab-side .card-header { color: var(--lab-text); }

/* 侧栏：成长路径是真实的顺序，用编号 */
.lab-path { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.lab-path li { position: relative; padding: 0 0 12px 30px; counter-increment: step; color: var(--lab-text); font-weight: 500; }
.lab-path li:last-child { padding-bottom: 0; }
.lab-path li::before {
  content: counter(step);
  position: absolute; left: 0; top: 1px;
  width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--lab-ink-soft); color: var(--lab-ink);
  font-size: 12px; font-weight: 700;
}
.lab-path li a { color: var(--lab-ink); font-weight: 600; text-decoration: none; }
.lab-path li a:hover { text-decoration: underline; }
.lab-path li span { display: block; color: var(--lab-moss); font-size: 12.5px; font-weight: 400; margin-top: 1px; }
.lab-list { margin: 0 0 10px; padding: 0; list-style: none; }
.lab-list li { padding: 8px 0; border-bottom: 1px solid var(--lab-line); }
.lab-list li:last-child { border-bottom: 0; }
.lab-list a { color: var(--lab-text); font-weight: 500; text-decoration: none; }
.lab-list a:hover { color: var(--lab-ink); }
.lab-list .lab-meta { color: var(--lab-moss); font-size: 12.5px; margin-top: 2px; }
.lab-pack { display: inline-block; margin-right: 6px; padding: 0 6px; font-size: 11.5px; font-weight: 600; color: #8a5a08; background: var(--lab-signal-soft); border-radius: 4px; vertical-align: 1px; }
.lab-empty { color: var(--lab-moss); margin-bottom: 8px; }
.lab-side .card-body > a { color: var(--lab-ink); font-weight: 600; text-decoration: none; }
.lab-side .card-body > a:hover { text-decoration: underline; }
.lab-sep { margin: 0 8px; color: var(--lab-line); }

/* 帖子详情 */
.fmt { font-size: 15.5px; line-height: 1.85; color: var(--lab-text); }
.fmt pre { background: #0f1c17; color: #dbe7e1; border-radius: var(--lab-radius); padding: 14px 16px; }
.fmt code { background: var(--lab-fog); border-radius: 4px; padding: 1px 5px; }
.fmt pre code { background: transparent; padding: 0; color: inherit; }
.fmt table { border-color: var(--lab-line); }
.fmt blockquote { border-left: 3px solid var(--lab-line); color: var(--lab-moss); padding-left: 14px; }

/* 页脚 */
footer { color: var(--lab-moss) !important; border-top: 1px solid var(--lab-line); }
.lab-test-banner { text-align: center; padding: 8px; font-size: 12.5px; color: #8a5a08; background: var(--lab-signal-soft); }

/* 手机 */
@media (max-width: 767.98px) {
  body { font-size: 15px; }
  nav.navbar a.lh-1 { font-size: 17px; }
  .list-group:has(> .list-group-item.py-3) { border-radius: 12px; }
  .list-group-item.py-3 { padding: 16px 16px 14px 24px !important; }
  .list-group-item.py-3::before { left: 10px; top: 18px; bottom: 18px; }
  .list-group-item.py-3 h5 { font-size: 16px; }
  h5.fs-5 { font-size: 20px !important; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}