:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  color: #15213c;
  background: #f7f8fc;
  font-synthesis: none;
  --brand: #4655e8;
  --brand-dark: #3443ca;
  --secondary-text: #505f77;
  --border: #dce2eb;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 280px; }
button, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid #7583f4; outline-offset: 3px; }

.site-header { background: #fff; border-bottom: 1px solid #e4e8f2; }
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1080px;
  min-height: 62px;
  margin: auto;
  padding: 0 24px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; color: inherit; font-weight: 740; font-size: 17px; text-decoration: none; }
.language { display: inline-flex; align-items: center; gap: 8px; color: var(--secondary-text); font-size: 13px; }
.language select { min-height: 36px; max-width: 130px; padding: 4px 8px; border: 1px solid var(--border); border-radius: 7px; background: #fff; color: #263652; }

main { width: min(100% - 48px, 680px); margin: 46px auto 0; }
.intro { margin-bottom: 23px; }
.intro .eyebrow { margin: 0 0 5px; color: var(--brand-dark); font-size: 13px; font-weight: 690; }
.intro h1 { margin: 0; font-size: clamp(1.65rem, 5vw, 2.15rem); line-height: 1.2; font-weight: 740; }
.intro p { margin: 10px 0 0; color: var(--secondary-text); line-height: 1.55; }
.panel { padding: 22px; background: #fff; border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 4px 16px rgb(33 49 105 / 4%); }
.field-label { display: block; font-weight: 680; }
.field-help, .privacy { margin: 6px 0 11px; color: var(--secondary-text); font-size: 13px; line-height: 1.5; }
.sk-guide { margin: 0 0 12px; border: 1px solid #e0e5fb; border-radius: 8px; background: #f5f7ff; font-size: 14px; line-height: 1.55; }
.sk-guide summary { padding: 10px 12px; color: var(--brand-dark); cursor: pointer; font-weight: 650; }
.sk-guide summary:hover { background: #eef1ff; border-radius: 7px; }
.sk-guide-body { padding: 0 13px 12px; color: var(--secondary-text); }
.sk-guide ol { margin: 0; padding-inline-start: 24px; }
.sk-guide li + li { margin-top: 5px; }
.sk-guide a { color: var(--brand-dark); text-underline-offset: 2px; }
textarea {
  display: block;
  width: 100%;
  min-height: 116px;
  padding: 12px;
  resize: vertical;
  border: 1px solid #bfc9dc;
  border-radius: 8px;
  color: #15213c;
  background: #fcfdff;
  font: 16px/1.45 ui-monospace, "SF Mono", Consolas, monospace;
}
textarea[aria-invalid="true"] { border-color: #a22737; }
.privacy { margin: 9px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
button { min-height: 43px; padding: 8px 17px; border: 1px solid transparent; border-radius: 8px; cursor: pointer; font-weight: 650; }
.primary { background: var(--brand); color: #fff; }
.primary:hover:not(:disabled) { background: var(--brand-dark); }
.primary:disabled { background: #6872c2; cursor: wait; }
.secondary { border-color: var(--border); background: #fff; color: #33415e; }
.secondary:hover { background: #f4f6fc; }
.notice { margin: 12px 0 0; min-height: 1.45em; color: var(--secondary-text); font-size: 14px; line-height: 1.45; }
.notice[data-error="true"] { color: #a22737; }

#results { margin-top: 17px; }
#results h2 { margin: 0 0 10px; font-size: 19px; }
#result-items { display: grid; gap: 10px; }
.result-card { padding: 16px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.result-card header { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.result-card h3 { margin: 0; font-size: 15px; }
.result-status { color: #155b46; font-size: 13px; font-weight: 670; }
.result-status[data-failed="true"] { color: #a22737; }
.result-card p { margin: 8px 0 0; color: var(--secondary-text); font-size: 14px; line-height: 1.5; }
.result-card .partial { color: #744c0b; }
.organization { margin-top: 12px; padding-top: 12px; border-top: 1px solid #e4e8f2; }
.organization h4 { margin: 0 0 8px; color: #30415e; font-size: 14px; }
.fields { display: grid; gap: 7px; margin: 0; font-size: 14px; }
.fields > div { display: grid; grid-template-columns: minmax(95px, 38%) minmax(0, 1fr); gap: 10px; }
.fields dt { color: var(--secondary-text); }
.fields dd { margin: 0; overflow-wrap: anywhere; }
footer { margin: 30px 16px; color: var(--secondary-text); text-align: center; font-size: 12px; }

@media (max-width: 500px) {
  .site-header-inner { padding: 0 16px; }
  main { width: calc(100% - 32px); margin-top: 27px; }
  .panel { padding: 15px; }
  .result-card { padding: 13px; }
}