:root {
  --tg-theme-bg-color: #f4f1eb;
  --tg-theme-text-color: #201a16;
  --tg-theme-hint-color: #7c6f64;
  --tg-theme-button-color: #8b5e34;
  --tg-theme-button-text-color: #ffffff;
  --card-bg: color-mix(in srgb, var(--tg-theme-bg-color) 88%, white);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--tg-theme-text-color);
  background: var(--tg-theme-bg-color);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.card {
  width: min(440px, 100%);
  padding: 28px;
  border: 1px solid color-mix(in srgb, var(--tg-theme-hint-color) 22%, transparent);
  border-radius: 28px;
  background: var(--card-bg);
  box-shadow: 0 24px 80px rgb(0 0 0 / 0.12);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--tg-theme-hint-color);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(36px, 12vw, 56px);
  line-height: 1;
}

.subtitle {
  margin: 14px 0 22px;
  color: var(--tg-theme-hint-color);
  font-size: 18px;
}

.loader {
  width: 42px;
  height: 42px;
  border: 4px solid color-mix(in srgb, var(--tg-theme-button-color) 22%, transparent);
  border-top-color: var(--tg-theme-button-color);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.health-result {
  margin: 22px 0 0;
  padding: 16px;
  overflow-x: auto;
  border-radius: 18px;
  color: var(--tg-theme-button-text-color);
  background: var(--tg-theme-button-color);
  white-space: pre-wrap;
}

.actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

button {
  width: 100%;
  padding: 14px 16px;
  border: 0;
  border-radius: 16px;
  color: var(--tg-theme-button-text-color);
  background: var(--tg-theme-button-color);
  font: inherit;
  font-weight: 700;
}

[hidden] {
  display: none !important;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}