:root {
  --navy: #0f2b4a;
  --gold: #f59e0b;
  --bg: #f7f9fc;
  --paper: #ffffff;
  --line: #e2e8f0;
  --muted: #64748b;
  --green: #16a34a;
  --orange: #d97706;
  --red: #dc2626;
  --yellow: #ca8a04;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, "SF Pro Display", system-ui, sans-serif; background: var(--bg); color: #0f172a; }
main { padding: 24px; max-width: 1600px; margin: 0 auto; }
h1, h2, h3 { color: var(--navy); }
h1 { font-size: 28px; margin: 0 0 16px; }
h2 { font-size: 20px; margin: 24px 0 12px; }
.badge { font-size: 14px; background: var(--navy); color: white; border-radius: 12px; padding: 2px 10px; margin-left: 8px; }
a { color: var(--navy); }

/* Topbar */
.topbar { display: flex; align-items: center; gap: 24px; background: var(--navy); color: white; padding: 12px 24px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.logo { color: var(--gold); font-size: 22px; }
.brand-text { font-size: 16px; }
.nav-links { display: flex; gap: 16px; flex: 1; }
.nav-links a { color: white; text-decoration: none; opacity: 0.85; }
.nav-links a:hover { opacity: 1; border-bottom: 2px solid var(--gold); }
.user-block { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.user-name { color: white; }
.user-role { color: var(--gold); }
.logout-form { margin: 0; }
.logout-form button { background: transparent; color: white; border: 1px solid rgba(255,255,255,0.3); border-radius: 4px; padding: 4px 10px; cursor: pointer; }

/* Login */
.login-card { max-width: 400px; margin: 80px auto; background: var(--paper); padding: 32px; border-radius: 12px; box-shadow: 0 4px 24px rgba(15,43,74,0.08); }
.login-card h1 { display: flex; align-items: center; gap: 10px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
.login-card input { padding: 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 15px; }
.login-card button { background: var(--navy); color: white; border: none; padding: 12px; border-radius: 6px; font-size: 15px; cursor: pointer; }
.login-card .error { color: var(--red); background: #fef2f2; padding: 10px; border-radius: 6px; margin-bottom: 12px; }
.login-card .muted { color: var(--muted); font-size: 12px; margin-top: 16px; }

/* KPI grid */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 16px 0 24px; }
.kpi { background: var(--paper); padding: 16px; border-radius: 8px; box-shadow: 0 1px 4px rgba(15,43,74,0.06); border-left: 4px solid var(--navy); }
.kpi.green { border-left-color: var(--green); }
.kpi.orange { border-left-color: var(--orange); }
.kpi.yellow { border-left-color: var(--yellow); }
.kpi.red { border-left-color: var(--red); }
.kpi .num { display: block; font-size: 24px; font-weight: 600; color: var(--navy); }
.kpi .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

/* Tables */
table { border-collapse: collapse; width: 100%; background: var(--paper); border-radius: 8px; overflow: hidden; box-shadow: 0 1px 4px rgba(15,43,74,0.06); }
th, td { padding: 8px 12px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--line); }
th { background: var(--navy); color: white; font-weight: 500; font-size: 12px; }
tr:hover { background: #f8fafc; }
table.audit td.ts { font-family: "SF Mono", Menlo, monospace; font-size: 12px; color: var(--muted); }
table code { background: #f1f5f9; padding: 1px 6px; border-radius: 3px; font-size: 12px; }
.layers { font-size: 11px; color: var(--muted); }

.cls-multi_topic_portal { color: var(--orange); }
.cls-single_topic_aviation { color: var(--green); }
.method-direct { color: var(--green); }
.method-broken { color: var(--red); font-weight: 600; }
.method- { color: var(--muted); }
.verdict-production_ready { color: var(--green); }
.verdict-bot_block, .verdict-login_gated, .verdict-empty, .verdict-fetch_failed, .verdict-no_aviation_signal { color: var(--red); }
.verdict-uncertain { color: var(--yellow); }
.appr-Y { color: var(--green); }
.appr-Paused { color: var(--orange); }
.appr-N { color: var(--red); }
.status-verified { color: var(--green); }
.status-confirmed_via_agent { color: var(--green); opacity: 0.8; }
.status-needs_research { color: var(--yellow); }
.status-not_found { color: var(--red); }
.op-INSERT { background: rgba(22, 163, 74, 0.04); }
.op-UPDATE { background: rgba(245, 158, 11, 0.04); }
.op-DELETE { background: rgba(220, 38, 38, 0.04); }

/* Filters */
.filters { display: flex; gap: 8px; align-items: center; margin: 12px 0; }
.filters select, .filters input, .filters button { padding: 6px 10px; border: 1px solid var(--line); border-radius: 4px; font-size: 13px; }
.filters button { background: var(--navy); color: white; border: none; cursor: pointer; }
.filters .reset { color: var(--muted); text-decoration: none; padding: 6px 10px; }

/* Add forms */
.add-form { display: flex; gap: 8px; align-items: center; margin: 12px 0; padding: 12px; background: var(--paper); border-radius: 8px; box-shadow: 0 1px 4px rgba(15,43,74,0.06); }
.add-form input { flex: 1; padding: 8px 10px; border: 1px solid var(--line); border-radius: 4px; }
.add-form button { background: var(--navy); color: white; border: none; padding: 8px 16px; border-radius: 4px; cursor: pointer; }
.inline-form { margin: 0; display: inline; }
.btn-danger { background: var(--red); color: white; border: none; padding: 4px 10px; border-radius: 4px; cursor: pointer; font-size: 12px; }
.btn-detail { font-size: 11px; padding: 2px 8px; background: var(--gold); color: var(--navy); text-decoration: none; border-radius: 3px; }

/* Detail page */
.detail-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; margin-bottom: 24px; }
.detail-grid dl { background: var(--paper); padding: 16px; border-radius: 8px; box-shadow: 0 1px 4px rgba(15,43,74,0.06); display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; margin: 0; }
.detail-grid dt { color: var(--muted); font-size: 12px; }
.detail-grid dd { margin: 0; font-size: 13px; }
.approval-card { background: var(--paper); padding: 16px; border-radius: 8px; box-shadow: 0 1px 4px rgba(15,43,74,0.06); }
.approval-card h3 { margin: 0 0 12px; }
.approval-card form { display: flex; flex-direction: column; gap: 8px; }
.approval-card select, .approval-card input, .approval-card button { padding: 8px; border: 1px solid var(--line); border-radius: 4px; }
.approval-card button { background: var(--navy); color: white; border: none; cursor: pointer; }