:root {
  --nav-bg: #001529;
  --nav-bg-dark: #000c17;
  --primary: #1677ff;
  --bg: #f5f5f5;
  --card: #ffffff;
  --border: #f0f0f0;
  --border-strong: #d9d9d9;
  --text: rgba(0, 0, 0, 0.88);
  --text-secondary: rgba(0, 0, 0, 0.45);
  --orange: #fa8c16;
  --green: #52c41a;
  --red: #ff4d4f;
  --radius: 8px;
  --shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03), 0 1px 6px -1px rgba(0, 0, 0, 0.02);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5715;
}

h1, h2, p { margin: 0; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--text-secondary); }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--nav-bg);
  color: rgba(255, 255, 255, 0.85);
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 56px;
  padding: 0 24px;
  max-width: 1680px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; color: #fff; }
.brand-mark { font-size: 18px; }
.topnav { display: flex; flex: 1; gap: 4px; overflow-x: auto; }
.topnav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 56px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  white-space: nowrap;
}
.topnav a:hover { color: #fff; }
.topnav a.active { background: var(--primary); color: #fff; }
.topbar-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.topbar-right .muted { color: rgba(255, 255, 255, 0.45); }

/* ---------- 版面 ---------- */
.page { max-width: 1680px; margin: 0 auto; padding: 20px 24px 48px; }
.page-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.page-head h1 { font-size: 20px; font-weight: 600; }
.block { margin-top: 24px; scroll-margin-top: 72px; }
#stats, #lanes, #open-items { scroll-margin-top: 72px; }
.block-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.block-head h2 { font-size: 16px; font-weight: 600; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 24px;
}
.card-label { color: var(--text-secondary); font-size: 13px; margin-bottom: 12px; }

/* ---------- 指标卡 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.stat { background: var(--card); padding: 20px 24px; }
.stat-value { font-size: 24px; font-weight: 600; letter-spacing: -0.5px; }
.stat-value small { font-size: 14px; font-weight: 400; color: var(--text-secondary); margin-left: 4px; }
.stat-label { margin-top: 4px; color: var(--text-secondary); font-size: 13px; }

/* ---------- 按钮 / 芯片 ---------- */
.btn {
  height: 32px;
  padding: 0 15px;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
}
.btn:hover { color: var(--primary); border-color: var(--primary); }
.btn-ghost { background: transparent; color: inherit; }
.topbar .btn-ghost { border-color: rgba(255, 255, 255, 0.35); color: rgba(255, 255, 255, 0.85); }

.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  height: 30px;
  padding: 0 14px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  cursor: pointer;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active {
  background: var(--nav-bg);
  border-color: var(--nav-bg);
  color: #fff;
}

/* ---------- 发布流程 ---------- */
.pipeline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.stage {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: #fafafa;
  color: var(--text-secondary);
}
.stage .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); }
.stage.done { color: var(--text); }
.stage.done .dot { background: var(--text-secondary); }
.stage.active { background: #e6f4ff; border-color: #91caff; color: var(--primary); }
.stage.active .dot { background: var(--primary); }
.stage-arrow { color: var(--text-secondary); }

/* ---------- 发布线 ---------- */
.lanes { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 16px; }
.lane {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 24px;
}
.lane-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.lane-name { font-size: 15px; font-weight: 600; }
.lane-version { font-size: 22px; font-weight: 600; margin: 10px 0 2px; }
.lane-empty { margin-top: 10px; color: var(--text-secondary); }
.kv { margin-top: 14px; display: grid; grid-template-columns: 88px 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--text-secondary); }
.kv dd { margin: 0; word-break: break-all; }
.lane-links { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 12px; }
.lane-links a { color: var(--primary); text-decoration: none; font-size: 13px; }
.lane-links a:hover { text-decoration: underline; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: #fafafa;
  color: var(--text-secondary);
  font-size: 12px;
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); }
.pill.online { background: #f6ffed; border-color: #b7eb8f; color: #389e0d; }
.pill.online .dot { background: var(--green); }
.pill.offline { background: #fff2f0; border-color: #ffccc7; color: #cf1322; }
.pill.offline .dot { background: var(--red); }
.pill.warn { background: #fff7e6; border-color: #ffd591; color: #d46b08; }
.pill.warn .dot { background: var(--orange); }

/* ---------- 生产机采集状态 ---------- */
.drift {
  margin-top: 16px;
  padding: 14px 18px;
  background: #fff2f0;
  border: 1px solid #ffccc7;
  border-radius: var(--radius);
  font-size: 13px;
}
.drift strong { color: #cf1322; }
.drift ul { margin: 8px 0 0; padding-left: 20px; }
.drift code { background: var(--card); border: 1px solid #ffccc7; border-radius: 3px; padding: 0 4px; }

.detected {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-strong);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.detected code { word-break: break-all; }

/* ---------- 筛选 ---------- */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; }
.search {
  height: 32px;
  min-width: 260px;
  padding: 0 11px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--card);
}
.search:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(5, 145, 255, 0.1); }

/* ---------- 时间线 ---------- */
.timeline { display: grid; grid-template-columns: 148px 1fr; gap: 20px; align-items: start; }
.timeline-nav { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 2px; }
.timeline-nav .nav-label { color: var(--text-secondary); font-size: 12px; margin-bottom: 6px; }
.timeline-nav a {
  padding: 5px 10px;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  border-left: 2px solid transparent;
}
.timeline-nav a:hover { background: #fff; }
.timeline-nav a.active { background: #e6f4ff; color: var(--primary); border-left-color: var(--primary); }
.timeline-list { display: flex; flex-direction: column; gap: 12px; }

.release {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.release-head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 20px;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.release-head:hover { background: #fafafa; }
.release-version { font-size: 15px; font-weight: 600; }
.release-meta { color: var(--text-secondary); font-size: 13px; }
.release-caret { margin-left: auto; color: var(--text-secondary); transition: transform 0.15s; }
.release.open .release-caret { transform: rotate(90deg); }
.release-body { display: none; padding: 0 20px 18px; border-top: 1px solid var(--border); }
.release.open .release-body { display: block; }

.change-list { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.change-list li { display: flex; gap: 10px; align-items: flex-start; }
.tag {
  flex: none;
  padding: 0 8px;
  height: 22px;
  line-height: 21px;
  border-radius: 4px;
  font-size: 12px;
  border: 1px solid;
}
.tag-feature { color: var(--primary); border-color: #91caff; background: #e6f4ff; }
.tag-improvement { color: #531dab; border-color: #d3adf7; background: #f9f0ff; }
.tag-fix { color: #d46b08; border-color: #ffd591; background: #fff7e6; }
.tag-security { color: #c41d7f; border-color: #ffadd2; background: #fff0f6; }
.tag-breaking { color: #cf1322; border-color: #ffa39e; background: #fff1f0; }

.release-facts {
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px 24px;
  font-size: 13px;
}
.release-facts code { word-break: break-all; }
.release-facts .muted { display: block; font-size: 12px; }
.release-links { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 12px; }
.release-links a { color: var(--primary); text-decoration: none; font-size: 13px; }
.release-links a:hover { text-decoration: underline; }
.release-notes { margin-top: 14px; padding: 12px 14px; background: #fafafa; border-radius: 6px; color: var(--text); }
.release-empty { margin-top: 16px; color: var(--text-secondary); font-size: 13px; }

.empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-secondary);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: #fafafa;
}

/* ---------- 进行中 ---------- */
.open-items { padding: 8px 24px 16px; }
.open-item { display: flex; gap: 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--border); }
.open-item:last-child { border-bottom: none; }
.open-item .gw { flex: none; font-size: 12px; color: var(--primary); background: #e6f4ff; border-radius: 4px; padding: 1px 8px; }

.foot { margin-top: 32px; font-size: 12px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  padding: 10px 18px;
  background: rgba(0, 0, 0, 0.82);
  color: #fff;
  border-radius: 6px;
  font-size: 13px;
  z-index: 50;
}

@media (max-width: 900px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline-nav { position: static; flex-direction: row; flex-wrap: wrap; }
  .lanes { grid-template-columns: 1fr; }
  .topnav { display: none; }
}