:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --used: #ef4444;
  --remain: #10b981;
  --accent: #2563eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.topbar h1 { font-size: 22px; margin: 0; }

.actions { display: flex; align-items: center; gap: 12px; }
.updated { color: var(--muted); font-size: 13px; }

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: opacity .15s;
}
.btn:hover { opacity: .9; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 汇总卡片 */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.card-label { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.card-value { font-size: 26px; font-weight: 700; }
.card-warn .card-value { color: var(--used); }

/* 图表 */
.charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.chart-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.chart-box h2 { font-size: 15px; margin: 0 0 12px; color: var(--text); }

/* 表格 */
.table-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.table-box h2 { font-size: 15px; margin: 0 0 12px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th {
  background: #f1f5f9;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
tbody tr { border-bottom: 1px solid #f1f5f9; }
tbody tr:last-child { border-bottom: none; }

.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-ok { background: #dcfce7; color: #15803d; }
.badge-fail { background: #fee2e2; color: #b91c1c; }

footer { margin-top: 16px; color: var(--muted); font-size: 13px; text-align: right; }

.loading { opacity: .6; pointer-events: none; }