:root {
  --brand: #3a579c;
  --brand-bright: #2f6fe0;
  --brand-soft: #eef2fb;
  --ink: #1d2433;
  --ink-2: #55607a;
  --ink-3: #8a93a8;
  --line: #e3e7ef;
  --bg: #f6f7fb;
  --card: #ffffff;
  --ok: #1f9d63;
  --warn: #c47a12;
  --danger: #cf3f3f;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--brand-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { display: flex; min-height: 100vh; }

.side {
  width: 208px;
  flex: 0 0 208px;
  background: var(--card);
  border-right: 1px solid var(--line);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  font-weight: 700;
  color: var(--brand);
  font-size: 15px;
  padding: 0 10px 16px;
  letter-spacing: .2px;
}
.brand small { display: block; font-weight: 400; color: var(--ink-3); font-size: 11px; margin-top: 2px; }

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--ink-2);
  font-size: 13.5px;
}
.nav:hover { background: var(--brand-soft); text-decoration: none; color: var(--brand); }
.nav.active { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.nav .count {
  margin-left: auto;
  background: var(--brand);
  color: #fff;
  border-radius: 9px;
  font-size: 11px;
  padding: 0 6px;
  line-height: 17px;
}

.side-foot {
  margin-top: auto;
  padding: 12px 10px 0;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.7;
  word-break: break-all;
}

.main { flex: 1; padding: 24px 28px 60px; min-width: 0; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.page-head h1 { font-size: 20px; margin: 0; letter-spacing: -.2px; }
.page-head .sub { color: var(--ink-3); font-size: 12.5px; margin-top: 3px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.card h2 { font-size: 14.5px; margin: 0 0 12px; }
.card.flush { padding: 0; overflow: hidden; }

.grid { display: grid; gap: 14px; }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat .label { color: var(--ink-3); font-size: 12px; }
.stat .value { font-size: 26px; font-weight: 700; color: var(--brand); line-height: 1.3; font-variant-numeric: tabular-nums; }
.stat .hint { color: var(--ink-3); font-size: 11.5px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--ink-3); font-weight: 600; background: #fbfcfe; }
tr:last-child td { border-bottom: 0; }
td.tight { white-space: nowrap; }
.muted { color: var(--ink-3); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--ink-2); }
td.tight > form, td.tight > a { vertical-align: middle; margin-right: 4px; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  line-height: 19px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge.pending { background: #fff6e6; color: var(--warn); border-color: #f3dfba; }
.badge.approved { background: #eaf2ff; color: var(--brand-bright); border-color: #cfe0ff; }
.badge.published { background: #e9f7f0; color: var(--ok); border-color: #c5e9d8; }
.badge.rejected { background: #f4f5f8; color: var(--ink-3); border-color: #e6e8ee; }
.badge.failed { background: #fdeceb; color: var(--danger); border-color: #f6cfcd; }
.badge.on { background: #e9f7f0; color: var(--ok); border-color: #c5e9d8; }
.badge.off { background: #f4f5f8; color: var(--ink-3); border-color: #e6e8ee; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 9px;
  padding: 6px 13px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.5;
}
.btn:hover { border-color: #cfd7e6; background: #fafbfe; text-decoration: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:disabled:hover { background: var(--card); border-color: var(--line); }
.btn.primary:disabled:hover { background: var(--brand); border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: #33508f; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: #f0d3d3; }
.btn.sm { padding: 3px 9px; font-size: 12px; border-radius: 7px; }

form.inline { display: inline; }

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }

.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs a {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 12.5px;
}
.tabs a.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.tabs a:hover { text-decoration: none; border-color: #cfd7e6; }

input[type="text"], input[type="password"], input[type="number"], textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  background: #fff;
}
input:focus, textarea:focus, select:focus { outline: 2px solid #d7e2f8; border-color: #b9c9e8; }
textarea { resize: vertical; min-height: 90px; line-height: 1.7; }
label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; font-size: 12px; color: var(--ink-2); margin-bottom: 5px; }
.hint { font-size: 11.5px; color: var(--ink-3); margin-top: 4px; }

.split { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(300px, .9fr); gap: 18px; align-items: start; }

/* 社区话题预览 */
.topic-preview { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 30px; }
.topic-preview .crumb { font-size: 12px; color: var(--ink-3); margin-bottom: 12px; }
.topic-preview h1 { font-size: 22px; line-height: 1.45; margin: 0 0 10px; letter-spacing: -.2px; }
.topic-preview .meta { font-size: 12px; color: var(--ink-3); margin-bottom: 20px; display: flex; gap: 12px; flex-wrap: wrap; }
.topic-preview .summary {
  background: var(--brand-soft);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--ink-2);
  font-size: 13px;
  margin-bottom: 20px;
}
.topic-body { font-size: 15px; line-height: 1.85; color: #26303f; overflow-wrap: anywhere; }
.topic-body p { margin: 0 0 14px; }
.topic-body h2 { font-size: 17px; margin: 22px 0 10px; }
.topic-body h3 { font-size: 15.5px; margin: 18px 0 8px; }
.topic-body img { max-width: 100%; border-radius: 8px; display: block; margin: 12px 0; }
.topic-body a { color: var(--brand-bright); }
.topic-body ul, .topic-body ol { padding-left: 22px; }
.topic-body blockquote { margin: 0 0 14px; padding: 8px 14px; border-left: 3px solid #d7e2f8; color: var(--ink-2); background: #fafbfe; }
.topic-body table { border: 1px solid var(--line); margin: 12px 0; }
.topic-body td, .topic-body th { border: 1px solid var(--line); padding: 6px 10px; font-size: 13px; }

.notice {
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 12.5px;
  margin-bottom: 14px;
  border: 1px solid #cfe0ff;
  background: #f2f7ff;
  color: #2b4a8a;
}
.notice.warn { border-color: #f3dfba; background: #fffaf0; color: #8a5a10; }
.notice.error { border-color: #f6cfcd; background: #fdf3f2; color: #9c2f2f; }

.empty { text-align: center; padding: 44px 20px; color: var(--ink-3); }
.empty strong { display: block; color: var(--ink-2); font-size: 14px; margin-bottom: 6px; }

@media (max-width: 1180px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .side { width: 64px; flex-basis: 64px; padding: 14px 8px; }
  .brand span, .nav .label, .side-foot { display: none; }
  .main { padding: 16px; }
}