:root {
  --border: #d8dde3;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #2563eb;
  --ok: #15803d;
  --warn: #b45309;
  --escalate: #b91c1c;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.brand { font-weight: 700; text-decoration: none; color: var(--text); }

.topbar nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.topbar nav a:hover { color: var(--accent); }

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

h1 { font-size: 1.4rem; margin-top: 0; }
h2 { font-size: 1.1rem; }

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.field { margin-bottom: 0.85rem; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--muted);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}
.field .hint { font-size: 0.78rem; color: var(--muted); margin-top: 0.2rem; }

.row { display: flex; gap: 1rem; }
.row .field { flex: 1; }

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.secondary, .btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.result-headline {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0.25rem 0 1rem;
}

table { width: 100%; border-collapse: collapse; }
table th, table td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
table th { color: var(--muted); font-weight: 600; }

.diagnostics { list-style: none; padding: 0; margin: 0; }
.diagnostics li {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9rem;
}
.diagnostics li:last-child { border-bottom: none; }

.flags { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.flag {
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  margin-bottom: 0.4rem;
  font-size: 0.87rem;
}
.flag.warning { background: #fef3c7; color: var(--warn); }
.flag.escalate { background: #fee2e2; color: var(--escalate); }
.flag.info { background: #e0e7ff; color: var(--accent); }
.flag-empty { color: var(--ok); font-size: 0.9rem; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: #eef2ff;
  color: var(--accent);
}

.filters { display: flex; gap: 1rem; margin-bottom: 1rem; align-items: end; }

.muted { color: var(--muted); }
.error { color: var(--escalate); font-weight: 600; }

.help-content h2 { margin-top: 1.5rem; }
.help-content p { line-height: 1.5; }