:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --line: #e3e6ea;
  --text: #1f2430;
  --muted: #6b7280;
  --brand: #1f4e78;
  --brand-soft: #eaf1f8;
  --danger: #c0392b;
  --ok: #1e8e5a;
  --warn: #b7791f;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

header.top {
  background: var(--brand);
  color: #fff;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
header.top h1 { font-size: 17px; margin: 0; font-weight: 600; }
header.top .sub { opacity: .8; font-size: 12px; }
header.top nav { margin-left: auto; display: flex; gap: 14px; align-items: center; }
header.top nav a { color: #fff; text-decoration: none; opacity: .85; font-size: 13px; }
header.top nav a:hover, header.top nav a.active { opacity: 1; text-decoration: underline; }
header.top .who { font-size: 12px; opacity: .85; }

.wrap { max-width: 1360px; margin: 0 auto; padding: 18px 20px 60px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.card > h2 {
  font-size: 14px; margin: 0 0 12px; color: var(--brand);
  display: flex; align-items: center; gap: 8px;
}
.card > h2 .hint { font-weight: 400; color: var(--muted); font-size: 12px; }

.grid { display: grid; gap: 12px 16px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > label { font-size: 12px; color: var(--muted); }
.field input, .field select, .field textarea {
  border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px;
  font-size: 14px; background: #fff; color: var(--text); font-family: inherit; width: 100%;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft); }
.field.wide { grid-column: 1 / -1; }

table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: #fafbfc; }
td input, td select { border: 1px solid var(--line); border-radius: 5px; padding: 5px 7px; font-size: 13px; width: 100%; font-family: inherit; }
td input:focus, td select:focus { outline: none; border-color: var(--brand); }
tbody tr:hover { background: #fcfdfe; }

.btn {
  border: 1px solid var(--brand); background: var(--brand); color: #fff;
  border-radius: 6px; padding: 8px 16px; font-size: 14px; cursor: pointer; font-family: inherit;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: #fff; color: var(--brand); }
.btn.grey { background: #fff; color: var(--muted); border-color: var(--line); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
td .btn, th .btn { white-space: nowrap; }

.row-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 14px; }

.result-price {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  background: linear-gradient(135deg, #1f4e78, #2d6ba3); color: #fff;
  padding: 18px 22px; border-radius: var(--radius); margin-bottom: 14px;
}
.result-price .num { font-size: 40px; font-weight: 700; letter-spacing: -.5px; }
.result-price .unit { font-size: 15px; opacity: .9; }
.result-price .basis { margin-left: auto; font-size: 12px; background: rgba(255,255,255,.16); padding: 5px 12px; border-radius: 20px; }
.result-price .scope { width: 100%; font-size: 12px; opacity: .85; margin-top: 2px; }

.note { padding: 9px 12px; border-radius: 6px; font-size: 13px; margin-bottom: 8px; }
.note.warn { background: #fdf6e3; color: var(--warn); border: 1px solid #f0e0b0; }
.note.err { background: #fdeeec; color: var(--danger); border: 1px solid #f3c9c3; }
.note.ok { background: #e9f7ef; color: var(--ok); border: 1px solid #bfe4d0; }

.tag { display: inline-block; padding: 1px 8px; border-radius: 20px; font-size: 11px; }
.tag.exact { background: #e9f7ef; color: var(--ok); }
.tag.approx { background: #fdf6e3; color: var(--warn); }
.tag.manual { background: #eef1f5; color: var(--muted); }

.muted { color: var(--muted); font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.login { max-width: 340px; margin: 80px auto; }
.login .field { margin-bottom: 12px; }
.err-msg { color: var(--danger); font-size: 13px; min-height: 20px; }

.sugg {
  position: absolute; z-index: 50; background: #fff; border: 1px solid var(--line);
  border-radius: 6px; max-height: 260px; overflow: auto; box-shadow: 0 6px 18px rgba(0,0,0,.12);
  min-width: 320px;
}
.sugg div { padding: 6px 10px; cursor: pointer; font-size: 13px; }
.sugg div:hover { background: var(--brand-soft); }
.sugg .s { color: var(--muted); font-size: 11px; }

.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tabs button { border: 1px solid var(--line); background: #fff; padding: 7px 16px; border-radius: 6px; cursor: pointer; font-size: 13px; font-family: inherit; }
.tabs button.on { background: var(--brand); color: #fff; border-color: var(--brand); }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar input, .toolbar select { border: 1px solid var(--line); border-radius: 6px; padding: 6px 9px; font-size: 13px; font-family: inherit; }
.scroll { max-height: 62vh; overflow: auto; border: 1px solid var(--line); border-radius: 8px; }
.sticky th { position: sticky; top: 0; z-index: 2; }
.pill { display:inline-block; padding:1px 8px; border-radius: 20px; font-size:11px; background:var(--brand-soft); color:var(--brand); }
footer.bottom { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; }

/* ---------------- 管理后台 ---------------- */
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px;
}
.kpi .k { font-size: 12px; color: var(--muted); }
.kpi .v { font-size: 26px; font-weight: 700; line-height: 1.3; letter-spacing: -.5px; }
.kpi .v.date { font-size: 17px; line-height: 1.5; }
.kpi .v small { font-size: 13px; font-weight: 400; color: var(--muted); margin-left: 3px; }
.kpi.warn .v { color: var(--warn); }
.kpi.ok .v { color: var(--ok); }
.kpi.brand .v { color: var(--brand); }

.up { color: var(--danger); font-weight: 600; }
.down { color: var(--ok); font-weight: 600; }
.flat { color: var(--muted); }
td.num, th.num { text-align: right; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.rowsel { width: 30px; }
.dirty td { background: #fffaf0; }
.banner {
  background: #fdf6e3; border: 1px solid #f0e0b0; color: var(--warn);
  padding: 8px 12px; border-radius: 6px; font-size: 12px; margin-bottom: 12px;
}
.secret {
  background: #fdeeec; border: 1px solid #f3c9c3; color: var(--danger);
  padding: 8px 12px; border-radius: 6px; font-size: 12px; margin-bottom: 12px;
}
.bar { height: 6px; background: var(--brand-soft); border-radius: 4px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--brand); }