:root {
  color-scheme: light;
  --background: #f8fafc;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --border: #dbe3ee;
  --brand: #061222;
  --action: #2f66ff;
  --action-hover: #2458e8;
  --success: #087443;
  --warning: #9a5b00;
  --danger: #b42318;
  --neutral-state: #526175;
  --shell: 960px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--ink);
  min-width: 0;
}

body {
  background: var(--background);
  color: var(--ink);
  margin: 0;
  min-width: 0;
  overflow-x: clip;
}

button,
time,
.rate-value {
  font-variant-numeric: tabular-nums;
}

.shell {
  margin-inline: auto;
  max-width: var(--shell);
  width: calc(100% - 32px);
}

.brand-band {
  background: var(--brand);
  color: #ffffff;
}

.brand {
  align-items: center;
  display: flex;
  font-size: 18px;
  font-weight: 720;
  gap: 10px;
  min-height: 58px;
}

.brand-mark {
  display: block;
  flex: 0 0 36px;
  height: 36px;
  width: 36px;
}

main {
  padding-block: 30px 36px;
}

h1 {
  font-size: 36px;
  font-weight: 720;
  letter-spacing: 0;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}

.status-line {
  align-items: center;
  color: var(--neutral-state);
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 650;
  gap: 6px 9px;
  line-height: 1.45;
  margin-top: 10px;
  min-height: 22px;
}

.status-dot {
  background: currentColor;
  border-radius: 50%;
  flex: 0 0 8px;
  height: 8px;
  width: 8px;
}

.status-line time {
  color: var(--muted);
  font-weight: 500;
}

.status-line time::before {
  content: "\00b7";
  margin-right: 9px;
}

.status-line[data-state="fresh"] {
  color: var(--success);
}

.status-line[data-state="stale"] {
  color: var(--warning);
}

.status-line[data-state="cache-error"],
.status-line[data-state="unavailable"] {
  color: var(--danger);
}

.status-line[data-state="updating"] {
  color: var(--action);
}

.rate-surface {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 22px 0 0;
  overflow: hidden;
}

.rate-item {
  min-width: 0;
  padding: 23px 24px 25px;
}

.rate-item + .rate-item {
  border-left: 1px solid var(--border);
}

.rate-item dt {
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.35;
}

.rate-item dd {
  margin: 0;
  min-width: 0;
}

.rate-value {
  color: var(--ink);
  display: block;
  font-size: 36px;
  font-weight: 735;
  letter-spacing: 0;
  line-height: 1.15;
  margin-top: 7px;
  min-height: 42px;
  white-space: nowrap;
}

.rate-value.is-placeholder::after {
  background: #e8edf4;
  border-radius: 3px;
  content: "";
  display: block;
  height: 30px;
  margin-top: 5px;
  max-width: 148px;
  width: 72%;
}

.rate-unit {
  color: var(--muted);
  display: block;
  font-size: 13px;
  line-height: 1.4;
  margin-top: 3px;
  min-height: 19px;
  overflow-wrap: anywhere;
}

.action-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 18px;
}

button {
  align-items: center;
  background: var(--action);
  border: 0;
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  gap: 9px;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  transition: background-color 180ms var(--ease-out);
}

button:hover:not(:disabled) {
  background: var(--action-hover);
}

button:active:not(:disabled) {
  background: #1d4ed8;
}

button:focus-visible {
  outline: 3px solid var(--action);
  outline-offset: 3px;
}

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

.refresh-icon {
  flex: 0 0 20px;
}

button.is-loading .refresh-icon {
  animation: refresh-turn 900ms linear infinite;
}

@keyframes refresh-turn {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 640px) {
  .shell {
    width: calc(100% - 32px);
  }

  .brand {
    min-height: 56px;
  }

  main {
    padding-block: 20px;
  }

  h1 {
    font-size: 30px;
  }

  .status-line {
    font-size: 13px;
    margin-top: 8px;
  }

  .status-line time {
    flex-basis: 100%;
    padding-left: 17px;
  }

  .status-line time::before {
    content: none;
  }

  .rate-surface {
    display: block;
    margin-top: 15px;
  }

  .rate-item {
    padding: 10px 16px 11px;
  }

  .rate-item + .rate-item {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .rate-item dt {
    font-size: 14px;
  }

  .rate-value {
    font-size: 32px;
    line-height: 1.12;
    margin-top: 2px;
    min-height: 36px;
  }

  .rate-value.is-placeholder::after {
    height: 27px;
    margin-top: 3px;
  }

  .rate-unit {
    line-height: 1.3;
    margin-top: 1px;
    min-height: 17px;
  }

  .action-row {
    margin-top: 16px;
  }

  button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}