/* Shared look for every Traffic Predict page */
:root {
  --bar-bg: #111;
  --bar-fg: #fff;
  --bar-line: #3a3a3a;
  --accent: #5cc55c;           /* the site's green */
  --accent-strong: #2e9e3a;
  --text: #1f2328;
  --muted: #5f6670;
  --line: #d9dde2;
  --page-bg: #fff;
  --soft-bg: #f5f6f7;
  --panel-bg: rgba(255, 255, 255, 0.96);
  --shadow: 0 1px 6px rgba(0, 0, 0, 0.22);
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--page-bg);
}
a { color: var(--accent-strong); }

.bar {
  display: flex;
  align-items: center;
  gap: 8px 20px;
  padding: 8px 16px;
  background: var(--bar-bg);
  color: var(--bar-fg);
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--bar-fg);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  white-space: nowrap;
}
.brand img { width: 22px; height: 22px; }
.site-nav { display: flex; gap: 4px; }
.site-nav a {
  color: #cfd3d8;
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 4px;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--bar-fg); background: #222; }
.site-nav a[aria-current="page"] { color: var(--accent); }

button, select, input { font: inherit; }

@media (max-width: 600px) {
  .bar { padding: 6px 10px; gap: 6px 12px; }
  .brand { font-size: 16px; }
  .site-nav a { padding: 3px 8px; }
}