* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #060a12;
  color: #e8edf5;
  line-height: 1.5;
}
a { color: #00d4ff; text-decoration: none; }
a:hover { text-decoration: underline; }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    #060a12;
  background-size: 24px 24px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: rgba(12, 18, 32, 0.92);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}
.login-card h1 { margin: 0 0 8px; font-size: 1.35rem; text-align: center; color: #00d4ff; }
.login-card .sub { text-align: center; color: #7a8ba3; font-size: 12px; margin-bottom: 24px; }

.topbar {
  background: rgba(12, 18, 32, 0.95);
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
  padding: 12px 24px;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.muted { color: #7a8ba3; font-size: 13px; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.stat-card {
  background: rgba(12, 18, 32, 0.85);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: 8px;
  padding: 16px;
}
.stat-card span { display: block; font-size: 12px; color: #7a8ba3; }
.stat-card b { font-size: 1.5rem; color: #00d4ff; }

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.tabs a {
  padding: 8px 16px;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 6px;
  font-size: 13px;
  color: #7a8ba3;
}
.tabs a.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: rgba(0, 212, 255, 0.35);
  color: #00d4ff;
}

.panel {
  background: rgba(12, 18, 32, 0.85);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
}
.panel h2 { margin: 0 0 16px; font-size: 1rem; color: #00d4ff; }

.form label { display: block; margin-bottom: 14px; }
.form label span { display: block; font-size: 12px; color: #7a8ba3; margin-bottom: 4px; }
.form input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 6px;
  background: #060a12;
  color: #fff;
  font-size: 14px;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 6px;
  background: #0c1220;
  color: #fff;
  cursor: pointer;
  font-size: 13px;
}
.btn:hover { background: #152033; }
.btn-primary { background: #007a99; border-color: #00d4ff; }
.btn-primary:hover { background: #0099bf; }
.btn-danger { background: #991b1b; border-color: #991b1b; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.inline { display: inline; }

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-success { background: #14532d; color: #bbf7d0; }
.alert-error { background: #7f1d1d; color: #fecaca; }
.alert-warn { background: #78350f; color: #fde68a; font-size: 13px; }
.alert-warn code { background: rgba(0,0,0,.25); padding: 1px 4px; border-radius: 3px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid rgba(0, 212, 255, 0.08); }
th { color: #7a8ba3; font-weight: 500; }
.mono { font-family: ui-monospace, Consolas, monospace; }
.small { font-size: 11px; }
.empty { text-align: center; color: #666; padding: 32px !important; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
}
.badge-active { background: #14532d; color: #86efac; }
.badge-disabled { background: #7f1d1d; color: #fca5a5; }

.pagination { display: flex; gap: 6px; margin-top: 16px; flex-wrap: wrap; }
.pagination a {
  padding: 4px 10px;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 4px;
  font-size: 12px;
}
.pagination a.active { background: #007a99; border-color: #00d4ff; color: #fff; }

.actions form { margin: 0; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  margin-bottom: 20px;
}
.form-grid label span {
  display: block;
  font-size: 12px;
  color: #7a8ba3;
  margin-bottom: 4px;
}
.form-grid input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 6px;
  background: #060a12;
  color: #fff;
  font-size: 13px;
}
.form-grid .span2 { grid-column: span 2; }
.form-actions { margin-top: 8px; }
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  font-size: 13px;
}
.info-grid span { display: block; color: #7a8ba3; font-size: 12px; margin-bottom: 2px; }
.info-grid code { font-size: 12px; color: #00d4ff; word-break: break-all; }
.info-grid .ok { color: #34d399; }
.info-grid .fail { color: #f87171; }
.panel .hint { color: #7a8ba3; font-size: 12px; margin: -8px 0 12px; }
.panel h2 { margin-top: 0; }
.panel h2:not(:first-child) { margin-top: 24px; }