:root {
  --color-primary: #5c4a3a;
  --color-secondary: #e8ddd0;
  --color-accent: #8b7355;
  --color-background: #faf6f0;
  --color-text: #3d3229;
  --font-display: "Palatino Linotype", "Book Antiqua", serif;
  --font-body: "Trebuchet MS", Verdana, sans-serif;
}

* { box-sizing: border-box; }

body.theme-rustic {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-background)
    url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 20h40M20 0v40' stroke='%23e0d5c4' stroke-width='0.5' fill='none'/%3E%3C/svg%3E");
}

.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--color-accent);
  color: #fff;
  padding: 0.5rem 1rem;
}

.skip-link:focus { left: 1rem; }

.site-header {
  text-align: center;
  padding: 3rem 1.25rem;
  border-bottom: 3px double var(--color-primary);
}

.site-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-primary);
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
  margin: 0;
  padding: 1rem;
}

.site-nav a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.site-nav a:focus-visible {
  border-bottom-color: var(--color-accent);
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.panel {
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: color-mix(in srgb, var(--color-secondary) 70%, #fff);
  border-radius: 4px;
}

.panel h2 {
  font-family: var(--font-display);
  color: var(--color-primary);
}

.rsvp-form label {
  display: block;
  margin-top: 0.75rem;
}

.rsvp-form input,
.rsvp-form button {
  width: 100%;
  max-width: 22rem;
  margin-top: 0.3rem;
  padding: 0.55rem;
}

.rsvp-form .rsvp-attending {
  border: 0;
  margin: 0.75rem 0 0;
  padding: 0;
  min-inline-size: 0;
  max-width: 22rem;
}

.rsvp-form .rsvp-attending legend {
  padding: 0;
  font-weight: 600;
}

.rsvp-form .rsvp-attending-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-top: 0.45rem;
}

.rsvp-form .rsvp-attending-option {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0.75rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  border-radius: 0.5rem;
  background: color-mix(in srgb, var(--color-secondary) 55%, #fff);
  cursor: pointer;
  line-height: 1.3;
}

.rsvp-form .rsvp-attending-option input {
  width: 1.1rem;
  height: 1.1rem;
  max-width: none;
  margin: 0;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.rsvp-form .rsvp-attending-option:has(input:checked) {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 16%, #fff);
}

.rsvp-form button {
  background: var(--color-accent);
  color: #fff;
  border: none;
  margin-top: 1rem;
}

.site-footer {
  text-align: center;
  padding: 2rem;
  font-family: var(--font-display);
}


@media (max-width: 640px) {
  .site-nav ul { flex-direction: column; align-items: center; }
  .rsvp-form .rsvp-attending-options { grid-template-columns: 1fr; }
}