:root {
  --bg: #f4f6f5;
  --panel: #ffffff;
  --line: #e2e7e5;
  --line-strong: #cfd7d4;
  --text: #1d2725;
  --muted: #66736f;
  --accent: #0f766e;
  --accent-soft: #e3f2f0;
  --side: #12302c;
  --side-text: #c9dbd7;
  --ok: #15803d;   --ok-soft: #e7f5ec;
  --warn: #b45309; --warn-soft: #fdf3e2;
  --err: #b91c1c;  --err-soft: #fdeaea;
  --info: #475569; --info-soft: #eef1f5;
  --radius: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 14px;
  color: var(--text);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0 0 4px; font-weight: 600; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 600; }
.sub { color: var(--muted); margin: 0 0 20px; }
.num { font-variant-numeric: tabular-nums; }

/* 布局 */
.shell { display: grid; grid-template-columns: 208px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-text); padding: 20px 12px; display: flex; flex-direction: column; }
.brand { color: #fff; font-weight: 600; font-size: 15px; padding: 0 10px 20px; }
.brand small { display: block; color: var(--side-text); font-weight: 400; font-size: 12px; margin-top: 2px; opacity: .8; }
.nav-group { font-size: 12px; opacity: .6; padding: 14px 10px 6px; }
.nav a { display: block; color: var(--side-text); padding: 8px 10px; border-radius: 6px; margin-bottom: 2px; }
.nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.nav a.active { background: rgba(255,255,255,.12); color: #fff; }
.side-foot { margin-top: auto; padding: 10px; font-size: 13px; }
.side-foot button { background: none; border: 0; color: var(--side-text); padding: 0; margin-right: 12px; cursor: pointer; font-size: 13px; opacity: .8; }
.side-foot button:hover { opacity: 1; text-decoration: underline; }
.main { padding: 28px 32px 60px; min-width: 0; max-width: 1400px; }

/* 组件 */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .grow { flex: 1; }
.btn { border: 1px solid var(--line-strong); background: #fff; color: var(--text); padding: 7px 14px; border-radius: 6px; cursor: pointer; font-size: 14px; line-height: 1.2; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); color: #fff; }
.btn.danger:hover { border-color: var(--err); color: var(--err); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font-size: inherit; }
.link:hover { text-decoration: underline; }
input[type=text], input[type=password], input[type=number], input[type=date], select, textarea {
  border: 1px solid var(--line-strong); border-radius: 6px; padding: 7px 10px; font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs button { background: none; border: 0; padding: 9px 14px; cursor: pointer; font-size: 14px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 500; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 500; color: var(--muted); font-size: 13px; background: #fafbfb; white-space: nowrap; }
td.r, th.r { text-align: right; }
tr.click { cursor: pointer; }
tr.click:hover td { background: #f7faf9; }
tr.sel td { background: var(--accent-soft); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.table-wrap table tr:last-child td { border-bottom: 0; }
.empty { color: var(--muted); padding: 28px; text-align: center; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; white-space: nowrap; line-height: 18px; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.error { background: var(--err-soft); color: var(--err); }
.badge.info { background: var(--info-soft); color: var(--info); }
.chip { display: inline-flex; align-items: center; gap: 4px; background: var(--info-soft); border-radius: 4px; padding: 1px 6px; margin: 1px 4px 1px 0; font-size: 12px; }
.chip button { border: 0; background: none; cursor: pointer; color: var(--muted); padding: 0; font-size: 13px; line-height: 1; }
.muted { color: var(--muted); }
.warn-text { color: var(--warn); }
.err-text { color: var(--err); }
.small { font-size: 12px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .k { color: var(--muted); font-size: 12px; }
.stat .v { font-size: 20px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat .d { color: var(--muted); font-size: 12px; margin-top: 2px; }

.checks .item { border-left: 3px solid var(--line); padding: 10px 14px; margin-bottom: 8px; background: #fff; border-radius: 0 6px 6px 0; border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.checks .item.error { border-left-color: var(--err); }
.checks .item.warn { border-left-color: var(--warn); }
.checks .item.info { border-left-color: var(--info); }
.checks .head { display: flex; gap: 10px; align-items: center; }
.checks .head .t { font-weight: 500; }
.checks .detail { color: var(--muted); margin-top: 4px; font-size: 13px; }
.rowlist { margin-top: 8px; font-size: 12px; }

.drop { border: 1.5px dashed var(--line-strong); border-radius: var(--radius); padding: 28px; text-align: center; background: #fbfcfc; cursor: pointer; transition: .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop .big { font-size: 15px; font-weight: 500; }

/* 抽屉 */
.mask { position: fixed; inset: 0; background: rgba(15, 30, 28, .32); z-index: 20; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(640px, 100vw); background: #fff; z-index: 21; overflow-y: auto; box-shadow: -8px 0 24px rgba(0,0,0,.08); }
.drawer-head { position: sticky; top: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 16px 22px; display: flex; align-items: center; gap: 10px; z-index: 1; }
.drawer-head h2 { margin: 0; flex: 1; }
.drawer-body { padding: 18px 22px 40px; }
.section { margin-bottom: 22px; }
.section > .title { font-weight: 600; margin-bottom: 10px; font-size: 14px; }
.form { display: grid; grid-template-columns: 96px 1fr; gap: 10px 12px; align-items: center; }
.form label { color: var(--muted); font-size: 13px; }
.form input, .form select, .form textarea { width: 100%; }
.issue { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; margin-bottom: 8px; }
.issue.done { background: #fafbfb; }
.issue.done .msg { color: var(--muted); text-decoration: line-through; }
.issue .meta { display: flex; gap: 8px; align-items: center; margin-top: 6px; }
.issue .meta input { flex: 1; padding: 4px 8px; font-size: 13px; }
.cand { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.cand:last-child { border-bottom: 0; }
.cand .n { flex: 1; }

/* 登录 */
.login { min-height: 100vh; display: grid; place-items: center; background: var(--side); }
.login form { background: #fff; padding: 32px; border-radius: 10px; width: 340px; display: grid; gap: 12px; }
.login h1 { margin-bottom: 8px; }
.login .err { color: var(--err); font-size: 13px; min-height: 18px; }

#toasts { position: fixed; top: 16px; right: 16px; z-index: 50; display: grid; gap: 8px; }
.toast { background: #1f2a28; color: #fff; padding: 10px 16px; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,.15); max-width: 420px; font-size: 13px; }
.toast.error { background: var(--err); }

.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 10px; color: var(--muted); font-size: 13px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px; }
  .nav-group, .side-foot { display: none; }
  .brand { padding: 0 10px 0 4px; }
  .nav { display: flex; flex-wrap: wrap; }
  .main { padding: 18px 16px 40px; }
  .grid2 { grid-template-columns: 1fr; }
}