.oilpriceapi-widget {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  max-width: 720px;
  border: 1px solid var(--opa-border);
  border-radius: 8px;
  padding: 18px;
  background: var(--opa-bg);
  color: var(--opa-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.4;
}

.oilpriceapi-widget *,
.oilpriceapi-widget *::before,
.oilpriceapi-widget *::after {
  box-sizing: inherit;
}

.oilpriceapi-widget--dark {
  --opa-bg: #15191e;
  --opa-panel: #222830;
  --opa-border: #3a434e;
  --opa-text: #f7f8fa;
  --opa-muted: #b4bdc8;
  --opa-link: #6fb4ff;
  --opa-accent: #ff9a3d;
  --opa-warning: #ffd166;
}

.oilpriceapi-widget--light {
  --opa-bg: #ffffff;
  --opa-panel: #f3f5f7;
  --opa-border: #d8dee5;
  --opa-text: #17202a;
  --opa-muted: #596675;
  --opa-link: #075fa8;
  --opa-accent: #c45200;
  --opa-warning: #8b5a00;
}

.oilpriceapi-widget a {
  color: var(--opa-link);
}

.oilpriceapi-widget__title {
  margin: 0 0 14px;
  color: var(--opa-text);
  font-size: 18px;
  letter-spacing: 0;
}

.oilpriceapi-widget__prices {
  display: flex;
  gap: 12px;
}

.oilpriceapi-widget__prices--vertical {
  flex-direction: column;
}

.oilpriceapi-widget__price {
  min-width: 150px;
  flex: 1 1 0;
  padding: 14px;
  border-radius: 6px;
  background: var(--opa-panel);
  text-align: center;
}

.oilpriceapi-widget__price span,
.oilpriceapi-widget__featured span {
  display: block;
}

.oilpriceapi-widget__price strong,
.oilpriceapi-widget__featured strong {
  display: block;
  margin: 3px 0;
  color: var(--opa-text);
  font-size: 28px;
}

.oilpriceapi-widget__label,
.oilpriceapi-widget__unit,
.oilpriceapi-widget__featured span,
.oilpriceapi-widget__source {
  color: var(--opa-muted);
  font-size: 12px;
}

.oilpriceapi-widget__featured {
  padding: 16px;
  border-radius: 6px;
  background: var(--opa-panel);
  text-align: center;
}

.oilpriceapi-widget__source {
  display: grid;
  gap: 3px;
  margin-top: 14px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.oilpriceapi-widget__stale {
  color: var(--opa-warning);
  font-weight: 600;
}

.oilpriceapi-widget__calculation {
  display: grid;
  gap: 8px;
  margin: 0;
}

.oilpriceapi-widget__calculation > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--opa-panel);
}

.oilpriceapi-widget__calculation dt,
.oilpriceapi-widget__calculation dd {
  margin: 0;
}

.oilpriceapi-widget__calculation dd {
  font-weight: 700;
}

.oilpriceapi-widget__result dd {
  color: var(--opa-accent);
}

.oilpriceapi-widget__message,
.oilpriceapi-widget__action {
  margin: 8px 0 0;
}

@media (max-width: 520px) {
  .oilpriceapi-widget__prices {
    flex-direction: column;
  }

  .oilpriceapi-widget__calculation > div {
    display: block;
  }

  .oilpriceapi-widget__calculation dd {
    margin-top: 3px;
  }
}