:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --accent: #4a90e2;
  --ok: #1a9e54;
  --bad: #d23f3f;
  --border: #d9dde3;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  padding: 16px;
}
header h1 { font-size: 1.3rem; margin: 0 0 4px; }
.sub { color: var(--muted); margin: 0 0 12px; font-size: 0.9rem; }
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.controls select, .controls button {
  font: inherit;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  cursor: pointer;
}
.status { color: var(--muted); font-size: 0.85rem; }
.badge {
  font-size: 0.8rem;
  padding: 3px 8px;
  border-radius: 10px;
  background: #eef0f3;
  color: var(--muted);
}
.badge.ok { background: #e3f6ec; color: var(--ok); }
.badge.bad { background: #fbe6e6; color: var(--bad); }

.kb-wrap { text-align: center; margin-bottom: 16px; }
#kb {
  width: 100%;
  max-width: 640px;
  height: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  touch-action: none;          /* let pointer events drive the swipe */
}
.hint { color: var(--muted); font-size: 0.85rem; margin: 6px 0 0; }

/* Panels: row on wide screens, stacked (vertical scroll) on narrow/phone */
.panels {
  display: flex;
  flex-direction: row;
  gap: 14px;
  align-items: stretch;
}
.panel {
  flex: 1 1 0;
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.panel h2 { font-size: 1.05rem; margin: 0 0 2px; }
.note { color: var(--muted); font-size: 0.78rem; margin: 0 0 10px; }
.preds { margin: 0 0 10px; padding-left: 1.2em; min-height: 6em; }
.preds li { font-size: 1.05rem; padding: 1px 0; }
.preds li:first-child { font-weight: 600; color: var(--accent); }
.metrics { font-size: 0.8rem; color: var(--muted); line-height: 1.5; border-top: 1px solid var(--border); padding-top: 8px; }
.metrics .ep { font-weight: 600; color: var(--ink); }

@media (max-width: 720px) {
  .panels { flex-direction: column; }
}

/* cross-page nav */
.topnav { display:flex; gap:14px; padding:8px 0 14px; font-size:0.95rem; }
.topnav a { color:#4a90e2; text-decoration:none; padding:4px 10px; border-radius:6px; }
.topnav a:hover { background:#eef3fb; }
.topnav a.active { font-weight:700; color:#1f2430; background:#e9eef5; }