*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-root);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(217, 70, 239, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(34, 211, 238, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-magenta);
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-root);
}

::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

::selection {
  background: rgba(217, 70, 239, 0.3);
  color: var(--text-primary);
}

img { max-width: 100%; }

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

pre code {
  font-size: var(--text-sm);
}

.main-content {
  overflow-x: hidden;
}

@supports (padding: env(safe-area-inset-top)) {
  .header {
    padding-top: var(--safe-area-top);
  }
  .main-content {
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
  }
}