:root {
  color-scheme: light;
  --ink: #1c2730;
  --muted: #5f6c75;
  --line: #d8e0e5;
  --panel: #ffffff;
  --canvas: #f5f7f8;
  --brand-blue: #1a1a8c;
  --brand-soft: #ececff;
  --brand-focus: rgba(26, 26, 140, 0.24);
  --blue: var(--brand-blue);
  --gold: #936b13;
  --gold-soft: #fbefd3;
  --red: #9f2f35;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.shell {
  width: calc(100% - 48px);
  margin: 0 auto;
  padding: 32px 0 48px;
}

.intro {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.brand-logo {
  display: block;
  width: clamp(118px, 13vw, 150px);
  height: auto;
  margin-bottom: 2px;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.lede {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.lookup-panel,
.result-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 30px rgba(28, 39, 48, 0.07);
}

.lookup-panel {
  display: grid;
  gap: 18px;
  padding: 20px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
}

select,
button {
  width: 100%;
  min-height: 46px;
  border-radius: 6px;
  font: inherit;
}

select {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
  padding: 0 12px;
}

select option {
  font-size: 0.92rem;
}

button {
  border: 0;
  background: var(--brand-blue);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

button:focus,
select:focus {
  outline: 3px solid var(--brand-focus);
  outline-offset: 2px;
}

.panel-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.result-card {
  width: 100%;
  padding: 24px;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  background: var(--brand-soft);
  color: var(--brand-blue);
  font-weight: 800;
}

.needs-review .status-pill {
  background: var(--gold-soft);
  color: var(--gold);
}

.result-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding: 16px;
  border-left: 4px solid var(--blue);
  background: #f0f4fb;
}

.result-summary strong {
  font-size: 1.6rem;
}

.category-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.category-list li,
.empty-match,
.course-card {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.category-list small,
.course-card small,
.empty-match span,
.muted {
  color: var(--muted);
}

.source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.source-list a {
  color: var(--blue);
  font-weight: 700;
}

.disclaimer {
  max-width: 900px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .shell {
    width: calc(100% - 24px);
    padding-top: 22px;
  }

  .tool-layout {
    grid-template-columns: 1fr;
  }

  .lookup-panel {
    position: static;
  }

  .result-card {
    padding: 18px;
  }
}