:root {
  --bg: #f6f8fa;
  --card: #fff;
  --text: #1a1a2e;
  --muted: #5c6370;
  --accent: #1e5a8a;
  --warn: #8a5a00;
  --error: #8a1e1e;
  --ok: #1e6a3a;
  --border: #d8dee4;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 1rem; }
.site-header { background: var(--accent); color: #fff; padding: 1rem 0; }
.site-header h1 { margin: 0; font-size: 1.4rem; }
.tagline { margin: 0.25rem 0 0; opacity: 0.9; font-size: 0.9rem; }
.banner {
  background: #fff3cd;
  border-bottom: 1px solid #e6d48a;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}
.nav { display: flex; gap: 1rem; padding-top: 0.5rem; padding-bottom: 0.5rem; }
.nav a { color: var(--accent); text-decoration: none; font-weight: 600; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.highlight { border-left: 4px solid var(--accent); }
.lead { font-size: 1.15rem; font-weight: 600; margin: 0.25rem 0; }
.muted { color: var(--muted); font-size: 0.9rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.btn {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn.primary, button.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.case-table { width: 100%; border-collapse: collapse; background: var(--card); }
.case-table th, .case-table td { border: 1px solid var(--border); padding: 0.5rem 0.75rem; text-align: left; }
.case-table th { background: #eef2f6; }
.status { padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.85rem; }
.status-unreviewed { background: #eee; }
.status-reviewed { background: #d4edda; color: var(--ok); }
.status-flagged { background: #f8d7da; color: var(--error); }
.flash { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.flash-error { background: #f8d7da; color: var(--error); }
.flash-success { background: #d4edda; color: var(--ok); }
.flash-warn { background: #fff3cd; color: var(--warn); }
.login-card { max-width: 420px; margin: 2rem auto; }
label { display: block; margin-top: 0.75rem; font-weight: 600; font-size: 0.9rem; }
input[type=text], input[type=password], textarea {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
fieldset { border: 1px solid var(--border); border-radius: 6px; margin: 1rem 0; padding: 0.75rem; }
legend { font-weight: 600; padding: 0 0.25rem; }
.radio { display: inline-block; margin-right: 1rem; font-weight: normal; }
.provenance { font-size: 0.75rem; overflow: auto; max-height: 240px; background: #f0f2f5; padding: 0.75rem; }
.metrics { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.metric { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; min-width: 120px; text-align: center; }
.metric .num { display: block; font-size: 1.8rem; font-weight: 700; color: var(--accent); }
.metric .lbl { font-size: 0.85rem; color: var(--muted); }
.rate-bar { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer { color: var(--muted); padding-bottom: 2rem; }
.form-actions, .review-actions { margin-top: 1rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }