:root {
  color-scheme: light;
  --bg: #f3efe5;
  --ink: #1c2321;
  --muted: #66736c;
  --line: #d9d0bf;
  --accent: #b84a2a;
  --accent-dark: #79311d;
  --card: #fffaf0;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(184, 74, 42, 0.18), transparent 28rem),
    linear-gradient(135deg, #efe3ce 0%, var(--bg) 48%, #d8e2d4 100%);
}

.page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  gap: 1.5rem;
  padding: 2rem;
}

.card {
  width: min(100%, 44rem);
  padding: clamp(2rem, 6vw, 4rem);
  border: 1px solid var(--line);
  border-radius: 2rem;
  background: color-mix(in srgb, var(--card) 92%, white);
  box-shadow: 0 2rem 5rem rgba(38, 32, 20, 0.16);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-family: "Trebuchet MS", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 9vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.summary {
  max-width: 34rem;
  margin: 1.25rem 0 2rem;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.rates {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.rates article {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: white;
}

.rates span {
  display: block;
  color: var(--muted);
  font-family: "Trebuchet MS", sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.rates strong {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1;
}

.currency {
  margin-right: 0.25rem;
  color: var(--accent);
  font-size: 0.5em;
  vertical-align: super;
}

.currency-inline {
  margin-right: 0.2rem;
  color: var(--accent);
  font-weight: 700;
}

.date,
.api-link,
.error {
  font-family: "Trebuchet MS", sans-serif;
}

.date {
  margin: 1rem 0 2rem;
  color: var(--muted);
}

.api-link {
  display: inline-flex;
  padding: 0.9rem 1.1rem;
  border-radius: 999px;
  color: white;
  background: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.api-link:hover {
  background: var(--accent-dark);
}

.error {
  margin: 1.5rem 0;
  padding: 1rem;
  border: 1px solid #d58d7a;
  border-radius: 1rem;
  color: #782414;
  background: #fff0eb;
}

.secondary {
  padding-top: 2rem;
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

h2 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  letter-spacing: -0.04em;
}

.text-link {
  color: var(--accent);
  font-family: "Trebuchet MS", sans-serif;
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover {
  color: var(--accent-dark);
}

.chart-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.chart-label {
  margin: 0;
  color: var(--accent);
  font-family: "Trebuchet MS", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chart-summary {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-family: "Trebuchet MS", sans-serif;
  font-size: 0.95rem;
}

.range-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.range-button {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: white;
  cursor: pointer;
  font-family: "Trebuchet MS", sans-serif;
  font-weight: 700;
}

.range-button:hover,
.range-button.is-active {
  border-color: var(--accent);
  color: white;
  background: var(--accent);
}

.chart {
  margin: 0 0 1.5rem;
  height: min(62vh, 28rem);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: white;
  padding: 1rem;
}

.chart canvas {
  width: 100%;
  height: 100%;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: "Trebuchet MS", sans-serif;
  font-size: 0.95rem;
}

th,
td {
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.empty {
  margin: 0;
  color: var(--muted);
  font-family: "Trebuchet MS", sans-serif;
}

@media (max-width: 640px) {
  .page {
    padding: 1rem;
  }

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

  .section-header {
    display: block;
  }

  .text-link {
    display: inline-block;
    margin-top: 0.75rem;
  }

  .chart-toolbar {
    display: block;
  }

  .range-actions {
    justify-content: flex-start;
    margin-top: 1rem;
  }
}