:root {
  --primary: #d97706;
  --primary-hover: #b45309;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
}

a {
  color: var(--primary-hover);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--primary);
}

:focus-visible {
  outline: 2px solid var(--primary-hover);
  outline-offset: 4px;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.site-brand {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none;
}

.site-brand span {
  color: var(--primary);
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

.site-header [aria-current="page"],
.site-header .planner-link {
  font-weight: 700;
}

.site-footer {
  margin-top: 8px;
  padding: 4px 0 12px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.5;
}

.footer-brand {
  margin-bottom: 8px;
}

.guide-link {
  margin-bottom: 8px;
  font-size: 0.8rem;
  font-weight: 600;
}