*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --color-bg: #f7f6f3;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5c5c5c;
  --color-border: #d4d0c8;
  --color-primary: #2d5a3d;
  --color-primary-hover: #234a31;
  --color-error-bg: #fdecea;
  --color-error-text: #8b1e14;
  --color-info-bg: #eef4fb;
  --color-info-text: #1a3f6b;
  --color-relevant: #2d5a3d;
  --color-resource: #3d5a80;
  --color-fallback: #6b5b4f;
  --focus-ring: 0 0 0 3px rgba(45, 90, 61, 0.35);
  --radius: 8px;
  --space: 1rem;
  --max-width: 40rem;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header,
.site-main,
.site-footer {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space);
}

.site-header {
  padding-top: calc(var(--space) * 2);
  padding-bottom: var(--space);
}

.site-header h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
}

.tagline {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  color: var(--color-primary);
  font-weight: 500;
}

.trust-copy {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.search-ideas {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.site-main {
  flex: 1;
  padding-bottom: calc(var(--space) * 2);
}

.search-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1.25);
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field label {
  font-weight: 600;
  font-size: 0.9375rem;
}

.field input,
.field select {
  font: inherit;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  width: 100%;
  min-height: 2.75rem;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.btn {
  font: inherit;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 2.75rem;
  width: 100%;
}

.btn:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg);
}

.btn-secondary[aria-busy='true'] {
  opacity: 0.7;
  cursor: wait;
}

.status-message {
  margin-top: var(--space);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.status-message[data-variant='error'] {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.status-message[data-variant='info'] {
  background: var(--color-info-bg);
  color: var(--color-info-text);
}

.disclaimers {
  margin-top: var(--space);
}

.disclaimer {
  margin: 0 0 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-info-bg);
  color: var(--color-info-text);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.results {
  margin-top: var(--space);
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1.125);
}

.result-card[data-class='RELEVANT_BORROWING_PROGRAM'] {
  border-left: 4px solid var(--color-relevant);
}

.result-card[data-class='REGIONAL_OR_SPECIALIST_RESOURCE'] {
  border-left: 4px solid var(--color-resource);
}

.result-card[data-class='NEARBY_LIBRARY_TO_ASK'] {
  border-left: 4px solid var(--color-fallback);
}

.result-class-label {
  margin: 0 0 0.375rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-muted);
}

.result-title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.result-distance {
  margin: 0 0 0.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.result-note {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.result-review {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.result-cta {
  display: inline-block;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  padding: 0.25rem 0;
}

.result-cta:focus {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 2px;
}

.cibt-explainer {
  margin-top: calc(var(--space) * 2);
  padding: calc(var(--space) * 1.25);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.cibt-explainer h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}

.cibt-explainer h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
}

.cibt-explainer p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.site-footer {
  padding-bottom: calc(var(--space) * 2);
  font-size: 0.8125rem;
  color: var(--color-muted);
}

@media (min-width: 30rem) {
  .actions {
    flex-direction: row;
  }

  .btn {
    width: auto;
    flex: 1;
  }
}