:root {
  --bg: #0b0f14;
  --card: #121820;
  --border: #1f2a37;
  --text: #e8eef5;
  --muted: #8b9bb0;
  --accent: #f7931a;
  --accent2: #00d4aa;
  --danger: #ff5c5c;
  --warn: #ffc857;
  --ok: #4ade80;
  --font: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2330 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-size: 1.25rem; font-weight: 700; }
.brand span { color: var(--muted); font-weight: 500; font-size: 0.95rem; margin-left: 0.5rem; }

.topbar-right { display: flex; gap: 1rem; align-items: center; }
.muted { color: var(--muted); font-size: 0.9rem; }

.pill {
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}
.pill-online { background: rgba(74, 222, 128, 0.15); color: var(--ok); }
.pill-offline { background: rgba(255, 92, 92, 0.15); color: var(--danger); }

.btn-ghost {
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
}
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1.2rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.card-wide { grid-column: 1 / -1; }
.card h2 {
  margin: 0 0 0.8rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.card-hero {
  background: linear-gradient(145deg, #16202b 0%, #10161f 100%);
  border-color: #2a3544;
}
.hero-value {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}
.hero-sub { color: var(--muted); margin-top: 0.35rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.chip {
  background: #0d1218;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  font-size: 0.82rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.95rem;
}
.stat-row span { color: var(--muted); }

.fan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}
.fan-grid small { color: var(--muted); display: block; }
.fan-grid strong { font-size: 1.1rem; }

.pool-url {
  font-size: 0.85rem;
  color: var(--accent2);
  word-break: break-all;
  margin-bottom: 0.6rem;
}

.alerts-list { display: flex; flex-direction: column; gap: 0.5rem; }
.alert-item {
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  background: #0d1218;
  border-left: 3px solid var(--border);
  font-size: 0.9rem;
}
.alert-item.critical { border-left-color: var(--danger); }
.alert-item.warning { border-left-color: var(--warn); }
.alert-item.positive { border-left-color: var(--ok); }

.warn { color: var(--warn) !important; }
.danger { color: var(--danger) !important; }
.ok { color: var(--ok) !important; }

#temp-chart {
  width: 100%;
  margin-top: 0.75rem;
  background: #0d1218;
  border-radius: 8px;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.login-card input {
  background: #0d1218;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.6rem 0.75rem;
}
.login-card button {
  margin-top: 0.5rem;
  background: var(--accent);
  color: #111;
  border: none;
  border-radius: 8px;
  padding: 0.7rem;
  font-weight: 700;
  cursor: pointer;
}
.alert-error {
  background: rgba(255,92,92,0.12);
  color: var(--danger);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
}
.subtitle { color: var(--muted); margin: -0.25rem 0 0.5rem; }