/* Plain CSS for the Sample Airline SSR shell. No framework, no build step. */

:root {
  --sa-ink: #1a1a1a;
  --sa-muted: #666;
  --sa-border: #ddd;
  --sa-brand: #0b5fff;
  --sa-error: #b3261e;
  --sa-bg: #fafafa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--sa-ink);
  background: var(--sa-bg);
}

a {
  color: var(--sa-brand);
}

.sa-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sa-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid var(--sa-border);
}

.sa-wordmark {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--sa-ink);
}

.sa-header-nav a {
  margin-left: 1rem;
  text-decoration: none;
}

.sa-main {
  flex: 1;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
}

.sa-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--sa-border);
  color: var(--sa-muted);
  font-size: 0.85rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.sa-card {
  background: #fff;
  border: 1px solid var(--sa-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.sa-trip-toggle {
  border: 0;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  gap: 1.5rem;
}

.sa-field {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--sa-muted);
}

.sa-field select,
.sa-field input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem;
  border: 1px solid var(--sa-border);
  border-radius: 4px;
  font-size: 1rem;
  color: var(--sa-ink);
}

.sa-field-error {
  display: block;
  color: var(--sa-error);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.sa-submit,
.sa-select-btn,
.sa-continue-btn {
  background: var(--sa-brand);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.6rem 1.25rem;
  font-size: 1rem;
  cursor: pointer;
}

.sa-flight-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.sa-flight-meta {
  color: var(--sa-muted);
  font-size: 0.9rem;
}

.sa-flight-price {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0.25rem 0;
}

.sa-selection-title {
  margin-top: 0;
}

.sa-inline-note {
  color: var(--sa-muted);
  font-size: 0.85rem;
}

.sa-legal h1 {
  margin-top: 0;
}

.sa-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.sa-greeting {
  font-weight: 600;
}