:root {
  --bg: #f0f2f5;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #8a919f;
  --line: #e5e6eb;
  --primary: #2f6bff;
  --danger: #e34d59;
  --ok: #00a870;
  --warn: #ed7b2f;
  --purple: #7b61ff;
  --up: #e34d59;
  --down: #00a870;
}

* { 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);
}
a { color: var(--primary); text-decoration: none; }

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  height: 56px;
  background: #2b5ad9;
  color: #fff;
}
.brand { font-weight: 700; white-space: nowrap; }
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav a {
  color: rgba(255,255,255,0.85);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
}
.nav a.active, .nav a:hover { background: rgba(255,255,255,0.16); color: #fff; }
.userbox { display: flex; gap: 12px; align-items: center; font-size: 13px; }
.userbox a { color: #fff; }

.main { padding: 18px 20px 40px; max-width: 1400px; margin: 0 auto; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.muted { color: var(--muted); font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
}
.table-card { padding: 0; overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { background: #f7f8fa; color: #4e5969; font-weight: 600; }
tr:hover td { background: #fafbfc; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 13px;
}
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn.block { width: 100%; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.warn { background: var(--warn); border-color: var(--warn); color: #fff; }
.btn.purple { background: var(--purple); border-color: var(--purple); color: #fff; }
.inline { display: inline; }
.ops { display: flex; gap: 6px; align-items: center; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
}
.badge.on { background: #e8f8f0; color: var(--ok); }
.badge.off { background: #fdecee; color: var(--danger); }
.badge.soft { background: #f2f3f5; color: #4e5969; }

.up { color: var(--up); font-weight: 600; }
.down { color: var(--down); font-weight: 600; }

.alert {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 14px;
}
.alert.ok { background: #e8f8f0; color: #007a4d; }
.alert.err { background: #fdecee; color: #b42318; }

.form-card h3 { margin: 0 0 12px; font-size: 16px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #4e5969; }
.form-grid input, .form-grid select, .pwd-form input {
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  font-size: 13px;
}
.form-actions { display: flex; gap: 8px; align-items: end; }

.sector-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.sector-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.sector-head h3 { margin: 0; font-size: 16px; }
.sector-head .bar { width: 4px; height: 16px; background: linear-gradient(#ff9a62, #ff4d55); border-radius: 2px; }
.chip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.chip {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  background: #f7f8fa;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
}

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #e8eefc, #f5f7fb);
}
.login-card {
  width: 380px;
  background: #fff;
  border-radius: 12px;
  padding: 28px;
  border: 1px solid var(--line);
}
.login-card h1 { margin: 0 0 6px; font-size: 18px; }
.login-sub { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.login-card label { display: block; margin: 10px 0 6px; font-size: 13px; color: #4e5969; }
.login-card input {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}
.login-card .btn { margin-top: 16px; height: 40px; }
.hint { margin-top: 14px; color: var(--muted); font-size: 12px; }