:root {
  color-scheme: dark;
  background: #08090d;
}

* { box-sizing: border-box; }

html, body, main, canvas {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100dvh;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 44%, #151825 0%, #0b0c13 35%, #08090d 70%);
}

main, canvas {
  display: block;
  height: 100dvh;
}

canvas { touch-action: none; }

.dashboard-link {
  position: fixed;
  right: clamp(1.25rem, 3vw, 2.5rem);
  bottom: clamp(1.25rem, 3vw, 2.5rem);
  z-index: 1;
  padding: 0.65rem 0.95rem;
  border: 1px solid rgba(191, 208, 255, 0.45);
  border-radius: 999px;
  color: #eaf0ff;
  background: rgba(12, 15, 27, 0.68);
  box-shadow: 0 0 20px rgba(100, 137, 255, 0.16);
  font: 500 0.85rem/1 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.dashboard-link:hover {
  border-color: rgba(220, 230, 255, 0.8);
  background: rgba(35, 44, 78, 0.82);
  box-shadow: 0 0 28px rgba(121, 157, 255, 0.3);
}

.dashboard-link:focus-visible {
  outline: 2px solid #dce7ff;
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}