:root {
  --color-primary: #0066cc;
  --color-ink: #1d1d1f;
  --color-muted: #6e6e73;
  --color-canvas: #ffffff;
  --color-parchment: #f5f5f7;
  --color-hairline: #e0e0e0;
  --shadow-card: 0 24px 80px rgba(29, 29, 31, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-parchment);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-ink);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Text",
    "Inter",
    sans-serif;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.9), transparent 42rem),
    var(--color-parchment);
}

.page-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.hero-card {
  width: min(100%, 560px);
  padding: clamp(48px, 8vw, 80px) clamp(28px, 6vw, 64px);
  text-align: center;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
}

.test-mark {
  display: grid;
  width: 88px;
  height: 88px;
  margin: 0 auto 28px;
  place-items: center;
  color: var(--color-primary);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 245, 247, 0.82));
  border: 1px solid var(--color-hairline);
  border-radius: 50%;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 18px 48px rgba(29, 29, 31, 0.1);
}

.test-mark svg {
  width: 56px;
  height: 56px;
}

.test-mark-ring,
.test-mark-line {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.test-mark-ring {
  opacity: 0.22;
  stroke-width: 4;
}

.test-mark-line {
  stroke-width: 5;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.system-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin: 0 0 20px;
  padding: 7px 14px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  background: var(--color-parchment);
  border: 1px solid var(--color-hairline);
  border-radius: 9999px;
}

h1 {
  margin: 0;
  color: var(--color-ink);
  font-size: clamp(34px, 7vw, 56px);
  font-weight: 600;
  line-height: 1.08;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 32px;
  padding: 11px 24px;
  color: #ffffff;
  font: inherit;
  font-size: 17px;
  line-height: 1;
  background: var(--color-primary);
  border: 0;
  border-radius: 9999px;
  cursor: pointer;
}

.primary-action:hover {
  background: #0071e3;
}

.primary-action:active {
  transform: scale(0.96);
}

.primary-action:focus-visible,
.dialog-close:focus-visible {
  outline: 2px solid #0071e3;
  outline-offset: 3px;
}

.test-dialog {
  width: min(calc(100% - 32px), 360px);
  padding: 0;
  color: var(--color-ink);
  background: transparent;
  border: 0;
}

.test-dialog::backdrop {
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(8px);
}

.dialog-panel {
  padding: 32px;
  text-align: center;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
}

.dialog-panel p {
  margin: 0 0 24px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
}

.dialog-close {
  min-height: 40px;
  padding: 9px 18px;
  color: var(--color-primary);
  font: inherit;
  font-size: 15px;
  background: var(--color-canvas);
  border: 1px solid var(--color-primary);
  border-radius: 9999px;
  cursor: pointer;
}

@media (max-width: 420px) {
  .page-shell {
    padding: 16px;
  }

  .hero-card {
    border-radius: 14px;
  }

  .system-badge {
    max-width: 100%;
  }
}