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

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-text);
}

h1 { font-size: var(--text-2xl); margin-bottom: var(--space-6); }
h2 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }

p { margin-bottom: var(--space-4); color: var(--color-text-secondary); line-height: 1.6; }

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
  text-decoration: underline;
}

img { max-width: 100%; height: auto; display: block; }

ul, ol { padding-left: var(--space-6); margin-bottom: var(--space-4); }

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-gray-100);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-primary-700);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) code {
    background: var(--color-gray-800);
    color: var(--color-primary-300);
  }
}

[data-theme="dark"] code {
  background: var(--color-gray-800);
  color: var(--color-primary-300);
}

/* Custom Global Scrollbar Styles matching Sidebar design */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.15) transparent;
}

:root[data-theme="dark"] * {
  scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) * {
    scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
  }
}

/* Chrome, Edge, and Safari */
*::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-full);
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

:root[data-theme="dark"] *::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
}

:root[data-theme="dark"] *::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) *::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
  }
  :root:not([data-theme="light"]) *::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
  }
}