:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --good: #4ade80;
  --bad: #f87171;
}

* { box-sizing: border-box; }

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

header.topnav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

header.topnav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

header.topnav a:hover { color: var(--accent); }

header.topnav .brand {
  font-weight: 700;
  color: var(--accent);
  margin-right: auto;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

h1, h2, h3 { color: var(--text); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th { color: var(--muted); font-weight: 600; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.stat .label { color: var(--muted); font-size: 0.85rem; }
.stat .value { font-size: 1.6rem; font-weight: 700; }
.stat .value.good { color: var(--good); }
.stat .value.bad { color: var(--bad); }

form.stacked label {
  display: block;
  margin: 0.75rem 0 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input, select, textarea {
  width: 100%;
  padding: 0.5rem;
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.95rem;
}

input[type="checkbox"] { width: auto; }

button, .btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.55rem 1.1rem;
  background: var(--accent);
  color: #0b1220;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

button:hover, .btn:hover { opacity: 0.9; }

.error { color: var(--bad); margin-top: 0.5rem; }

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

.login-card { width: 320px; }

.tag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: #0b1220;
  border: 1px solid var(--border);
  color: var(--muted);
}