.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  background: #f3f6fb;
  color: #1f2937;
}

body {
  margin: 0;
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: #fff;
  border: 1px solid #dbe2ea;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
  padding: 24px;
  margin-bottom: 20px;
}

.hero h1,
.results-header h2,
.card h2,
.chart-section h3 {
  margin: 0 0 8px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: #2563eb;
  margin: 0 0 8px;
}

.subtle,
.hint {
  color: #5b6472;
}

.lookup-form,
.manual-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.lookup-form {
  grid-template-columns: 1fr auto;
}

input,
select,
button {
  font: inherit;
  border-radius: 12px;
}

input,
select {
  width: 100%;
  border: 1px solid #cdd6e1;
  padding: 14px 16px;
  box-sizing: border-box;
}

button {
  border: 0;
  background: #2563eb;
  color: #fff;
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 700;
}

button:disabled {
  background: #93b2f4;
  cursor: wait;
}

.hidden {
  display: none;
}

.results-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.text-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 700;
}

.message-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.message {
  border-radius: 12px;
  padding: 12px 14px;
}

.message.warning {
  background: #fff8db;
  border: 1px solid #f5d565;
}

.message.note {
  background: #eef4ff;
  border: 1px solid #bfd1ff;
}

.summary-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.summary-item {
  border: 1px solid #dbe2ea;
  border-radius: 14px;
  padding: 16px;
  background: #f8fafc;
}

.summary-label {
  display: block;
  color: #5b6472;
  margin-bottom: 6px;
}

.school-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.school-card {
  border: 1px solid #dbe2ea;
  border-radius: 14px;
  padding: 18px;
}

.school-card h3,
.school-card p {
  margin: 0 0 8px;
}

.school-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: #5b6472;
  font-size: 0.95rem;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 700;
  margin-bottom: 10px;
}

.chart-section {
  margin-top: 24px;
}

#chart-container svg {
  width: 100%;
  max-width: 560px;
  height: auto;
  display: block;
}

@media (max-width: 760px) {
  .page {
    padding: 16px;
  }

  .lookup-form {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .results-header {
    flex-direction: column;
  }
}