:root {
  --bg: #0f1115;
  --card: #171a21;
  --border: #2a2f3a;
  --text: #e6e8eb;
  --muted: #9aa3b2;
  --accent: #5b8def;
  --up: #3ecf8e;
  --down: #e5534b;
  --pending: #9aa3b2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 18px; margin: 0; }

.topbar-right { display: flex; align-items: center; gap: 12px; color: var(--muted); }

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
}

main { padding: 24px; display: flex; flex-direction: column; gap: 20px; }

.box-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
}

.box-card h2 { margin: 0 0 12px; font-size: 16px; }

.env-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
}

.env-col {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
}

.env-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.env-label { font-weight: 600; }
.poll-age { color: var(--muted); font-size: 12px; margin-left: auto; }

.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
}
.status-dot.up { background: var(--up); }
.status-dot.down { background: var(--down); }
.status-dot.pending { background: var(--pending); }

.load {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}
.load b { color: var(--text); }
.approx { font-size: 10px; opacity: 0.7; }

.section { margin-top: 10px; }
.section h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin: 0 0 6px; }

.stat-row { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; }
.stat-row b { color: var(--text); }

.empty { color: var(--muted); font-size: 13px; margin: 4px 0; }

table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card h1 { font-size: 18px; margin: 0; }
.login-card .hint { color: var(--muted); font-size: 13px; margin: -8px 0 0; }

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.login-card input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 14px;
}

.error { color: var(--down); font-size: 13px; min-height: 16px; margin: 0; }

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8;
    --card: #ffffff;
    --border: #e1e4e9;
    --text: #1b1f27;
    --muted: #6b7280;
  }
}