/* Inkoustové kapky — ink diffusing in pale water */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, #f2f4f0, #dfe4dc);
  color: oklch(0.3 0.02 220);
  font-family: "Newsreader", "Georgia", serif;
  -webkit-font-smoothing: antialiased;
}

#ink {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: pointer;
  touch-action: none;
}

.hint {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 22px;
  border-radius: 16px;
  background: oklch(0.3 0.02 220 / 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid oklch(0.4 0.02 220 / 0.15);
  color: oklch(0.4 0.02 220 / 0.7);
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  pointer-events: none;
  user-select: none;
  transition: opacity 1.6s ease 1.2s;
}

.hint.hidden {
  opacity: 0;
}

.next-hue {
  position: fixed;
  top: 24px;
  right: 24px;
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid oklch(0.4 0.02 220 / 0.3);
  background: oklch(0.95 0.01 220 / 0.6);
  color: oklch(0.3 0.02 220);
  cursor: pointer;
  transition: background 200ms ease;
}

.next-hue:hover {
  background: oklch(0.9 0.02 220 / 0.7);
}