:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --border: #e5e9f0;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #1668dc;
  --primary-hover: #1256b8;
  --danger: #d93026;
  --ok: #16a34a;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; }
.logo { font-size: 20px; }
.user-area { display: flex; align-items: center; gap: 12px; }
.user-name { color: var(--muted); }

.view { max-width: 1080px; margin: 24px auto; padding: 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 12px; font-size: 15px; }

.login-card { max-width: 360px; margin: 64px auto; }
.login-card h2 { margin: 0 0 4px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--danger); font-size: 13px; margin: 8px 0 0; }
.ok { color: var(--ok); font-size: 13px; margin: 8px 0 0; }
.label { font-size: 12px; color: var(--muted); margin-bottom: 4px; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field span { font-size: 13px; color: var(--muted); }
input[type="text"], input[type="password"], input[type="month"] {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}
input:focus { outline: none; border-color: var(--primary); }

.btn {
  height: 36px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { background: #f3f4f6; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-block { width: 100%; }

.quota-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.projects { display: flex; gap: 8px; flex-wrap: wrap; }
.project-tag {
  background: #eef4ff;
  color: var(--primary);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 13px;
}
.quota-box { display: flex; gap: 40px; flex-wrap: wrap; }
.quota-item { text-align: right; }
.quota-num { font-size: 28px; font-weight: 700; }
.quota-num.low { color: var(--danger); }

.query-form { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.query-form .field { margin-bottom: 0; min-width: 180px; }

.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.stat .value { font-size: 22px; font-weight: 700; margin-top: 4px; }

.chart { overflow-x: auto; }
.chart svg { display: block; }
.bar { fill: var(--primary); opacity: 0.85; }
.bar:hover { opacity: 1; }
.axis text { fill: var(--muted); font-size: 10px; }

.table-wrap { overflow-x: auto; }
.table-wrap .table { min-width: 1080px; white-space: nowrap; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 500; }
.table th.num, .table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.table tbody tr:hover { background: #fafbfc; }

.detail-controls { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }

.password-form { max-width: 380px; margin-top: 12px; }
.password-form .field { margin-bottom: 12px; }
details.card summary { cursor: pointer; font-weight: 600; user-select: none; }

.filter-row { display: flex; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
.filter-row .field { margin-bottom: 0; min-width: 150px; }
.granularity { display: flex; gap: 12px; height: 36px; align-items: center; }
.radio { display: flex; align-items: center; gap: 4px; cursor: pointer; font-size: 14px; white-space: nowrap; }
select {
  height: 36px; padding: 0 8px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 14px; background: #fff; color: var(--text);
}
select:focus { outline: none; border-color: var(--primary); }