:root {
  --bg: #f5f6f8;
  --fg: #1f2937;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #1f4e78;
  --bad: #f8cbad;
  --warn: #fff2cc;
}

* { box-sizing: border-box; }

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

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--accent);
  color: white;
  padding: 0.75rem 1.5rem;
}

.topnav .brand { font-weight: 600; }
.topnav .links { display: flex; gap: 1.25rem; align-items: center; }
.topnav a, .topnav .linklike {
  color: white;
  text-decoration: none;
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
  padding: 0;
}
.topnav a:hover, .topnav .linklike:hover { text-decoration: underline; }
.inline-form { display: inline; margin: 0; }

.container { padding: 1.5rem; max-width: 1400px; margin: 0 auto; }

.page-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 0.5rem; }
.page-head .meta { color: var(--muted); display: flex; gap: 0.75rem; align-items: center; }

section { margin-top: 2rem; }
h1 { margin-top: 0; }
h2 { font-size: 1.1rem; color: var(--accent); }

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  background: var(--accent);
  color: white;
  cursor: pointer;
  position: sticky;
  top: 0;
}

tr.row-bad { background: var(--bad); }
tr.row-warn { background: var(--warn); }
td.small, .small { font-size: 0.8rem; color: var(--muted); }

.login-box {
  max-width: 320px;
  margin: 4rem auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

form label { display: block; margin-bottom: 0.75rem; }
form input {
  display: block;
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}
button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
}
button:hover { opacity: 0.9; }

.error { color: #b3261e; font-weight: 600; }
.warning { background: var(--warn); padding: 0.75rem; border-radius: 4px; }
.info { background: #d9ead3; padding: 0.75rem; border-radius: 4px; }