/* --------------------------------------------------------------- base ---- */
* { box-sizing: border-box; }
/* every layout rule below would otherwise out-specify the UA's [hidden] */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
html, body { overflow-x: clip; max-width: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  background-color: var(--sky);
  background-image:
    radial-gradient(140% 80% at 50% -20%, var(--sky-2), var(--sky) 55%),
    radial-gradient(80% 50% at 100% 100%, var(--sky-3), transparent 70%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(18px, 3.4vh, 34px);
  padding:
    calc(env(safe-area-inset-top) + clamp(12px, 3vw, 28px))
    calc(env(safe-area-inset-right) + clamp(12px, 3vw, 26px))
    calc(env(safe-area-inset-bottom) + clamp(32px, 7vh, 64px))
    calc(env(safe-area-inset-left) + clamp(12px, 3vw, 26px));
  -webkit-tap-highlight-color: transparent;
}

.mono {
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas,
               "Liberation Mono", monospace;
  font-variant-numeric: tabular-nums;
}

.wrap { width: 100%; max-width: 1000px; }

.sr {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

button { font: inherit; color: inherit; }
button:focus-visible, [tabindex]:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}