:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #dcdfe4;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #2f5f8a;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --ok-bg: #eef3ee;
}

* { 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: 14px 20px;
  background: #16202b;
  color: #fff;
}
.topbar-title { font-weight: 600; font-size: 1.05rem; }
.badge {
  font-size: 0.7rem;
  font-weight: 500;
  background: var(--accent);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
}
.topbar-nav a { color: #cfe0ef; text-decoration: none; font-size: 0.9rem; }
.topbar-nav a:hover { text-decoration: underline; }

.app-root {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px 40px;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 16px;
}

h1 { font-size: 1.4rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 24px 0 8px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}
.toolbar input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 260px;
}
.toolbar button, .action-link {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}
.toolbar button:hover, .action-link:hover { background: #eef3f8; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; }
tr:last-child td { border-bottom: none; }

.loading, .empty-state, .error-state {
  padding: 24px;
  text-align: center;
  border-radius: 8px;
}
.loading { color: var(--muted); }
.empty-state { color: var(--muted); background: var(--panel); border: 1px dashed var(--border); }
.error-state { color: var(--danger); background: var(--danger-bg); border: 1px solid #f3c8c4; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px 20px;
  margin-bottom: 8px;
}
.field-grid .field-label { font-size: 0.72rem; text-transform: uppercase; color: var(--muted); }
.field-grid .field-value { font-size: 0.95rem; }

pre.json-block {
  background: #0f1720;
  color: #d7e3ef;
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.8rem;
  margin: 4px 0 16px;
}

.breadcrumbs { font-size: 0.85rem; color: var(--muted); margin-bottom: 10px; }
.breadcrumbs a { color: var(--accent); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }

@media (max-width: 640px) {
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr { border: 1px solid var(--border); border-radius: 6px; margin-bottom: 10px; padding: 8px; }
  td { border: none; padding: 4px 0; }
  td::before { content: attr(data-label); display: block; font-size: 0.7rem; color: var(--muted); text-transform: uppercase; }
  .field-grid { grid-template-columns: 1fr; }
}