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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

:where(html.magnetic-scrollbar-pending, html.has-magnetic-scrollbars) {
  scrollbar-gutter: auto;
}

@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 160ms;
  animation-timing-function: ease-out;
}

::view-transition-old(root) {
  animation-name: page-fade-out;
}

::view-transition-new(root) {
  animation-name: page-fade-in;
}

@keyframes page-fade-out {
  to {
    opacity: 0;
  }
}

@keyframes page-fade-in {
  from {
    opacity: 0;
  }
}

@supports not selector(::-webkit-scrollbar) {
  html {
    scrollbar-color: var(--color-scrollbar-thumb) var(--color-scrollbar-track);
    scrollbar-width: thin;
  }

  :where(html.magnetic-scrollbar-pending, html.has-magnetic-scrollbars) {
    scrollbar-width: none;
  }
}

html::-webkit-scrollbar {
  width: 0.5rem;
  height: 0.5rem;
}

html::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
}

html::-webkit-scrollbar-thumb {
  min-height: 2.5rem;
  background-color: var(--color-scrollbar-thumb);
  background-clip: padding-box;
  border: 0.125rem solid var(--color-scrollbar-track);
  border-radius: 0;
}

html::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-scrollbar-thumb-hover);
}

:where(
  html.magnetic-scrollbar-pending,
  html.has-magnetic-scrollbars
)::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

html::-webkit-scrollbar-corner {
  background: var(--color-scrollbar-track);
}

*::-webkit-scrollbar-button,
*::-webkit-scrollbar-button:single-button,
*::-webkit-scrollbar-button:vertical:decrement,
*::-webkit-scrollbar-button:vertical:increment,
*::-webkit-scrollbar-button:horizontal:decrement,
*::-webkit-scrollbar-button:horizontal:increment {
  appearance: none !important;
  display: none !important;
  width: 0 !important;
  min-width: 0 !important;
  height: 0 !important;
  min-height: 0 !important;
  background: transparent !important;
  border: 0 !important;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-align: start;
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
}

html:lang(fa) body {
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
  line-height: 1.8;
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
}

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

a:hover {
  color: var(--color-link-hover);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 700;
}

code,
pre {
  direction: ltr;
  text-align: left;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }
}