:root {
  color-scheme: light;
  --bg: #f6f7f3;
  --panel: #ffffff;
  --ink: #172026;
  --muted: #5d6972;
  --line: #d8ded7;
  --accent: #0a7c72;
  --accent-strong: #065a53;
  --danger: #b42318;
  --code: #102026;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 32px;
}

.lookup-panel,
.result-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 38px rgba(23, 32, 38, 0.08);
}

.lookup-panel {
  padding: 32px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.1rem, 3rem, 3.2rem);
  line-height: 1.05;
}

h2 {
  font-size: 1.6rem;
}

.lede {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.lookup-form {
  margin-top: 28px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-weight: 650;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
}

input,
button {
  min-height: 46px;
  border-radius: 8px;
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  padding: 0 14px;
  color: var(--ink);
}

input:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(10, 124, 114, 0.15);
}

button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 0 18px;
  font-weight: 750;
  cursor: pointer;
}

button.secondary {
  background: #fff;
  color: var(--accent-strong);
}

button:disabled {
  cursor: progress;
  opacity: 0.7;
}

.status {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--muted);
}

.status.error {
  color: var(--danger);
}

.result-card {
  margin-top: 22px;
  padding: 28px;
}

.hidden {
  display: none;
}

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

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.result-grid div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

dd {
  margin: 8px 0 0;
  overflow-wrap: anywhere;
  font-weight: 750;
}

.raw-json {
  max-height: 360px;
  overflow: auto;
  margin: 0;
  border-radius: 8px;
  background: var(--code);
  color: #e9f4f1;
  padding: 18px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.attribution {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.attribution a {
  color: var(--accent-strong);
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 24px, 980px);
    padding-top: 28px;
  }

  .lookup-panel,
  .result-card {
    padding: 20px;
  }

  h1 {
    font-size: 2.15rem;
  }

  .input-row,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .result-header {
    align-items: flex-start;
    flex-direction: column;
  }

  button {
    width: 100%;
  }
}