// A small set of utility classes, modeled after TailwindCSS and Bootstrap.
//
// https://tailwindcss.com/docs
// https://getbootstrap.com/docs/5.0/utilities/spacing/

$spacer: 0.25rem; /* 4px */

.invisible { visibility: hidden; }
.visible { visibility: visible; }

.font-arial { font-family: var(--arial-font); }
.font-monospace { font: var(--monospace-font); }
.font-header { font-family: var(--header-font); }
.font-bold { font-weight: bold; }

.cursor-pointer { cursor: pointer; }
.cursor-zoom-in { cursor: zoom-in; }
.cursor-zoom-out { cursor: zoom-out; }
.cursor-wait { cursor: wait; }

.hidden { display: none !important; }
.inline-block { display: inline-block; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.text-left   { text-align: left; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted { color: var(--muted-text-color); }

.text-xxs { font-size: var(--text-xxs); }
.text-xs  { font-size: var(--text-xs); }
.text-sm  { font-size: var(--text-sm); }
.text-lg  { font-size: var(--text-lg); }
.text-xl  { font-size: var(--text-xl); }
.text-xxl { font-size: var(--text-xxl); }

.underline { text-decoration-line: underline; }
.decoration-dotted { text-decoration-style: dotted; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.overflow-auto { overflow: auto; }

.break-all { word-break: break-all; }
.whitespace-nowrap { white-space: nowrap; }

.pointer-events-none { pointer-events: none; }
.select-none { user-select: none; }

.opacity-50 { opacity: 0.5; }

.leading-none   { line-height: 1; }
.leading-normal { line-height: 1.5; }

.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }

.top-0\.5    { top: 0.5 * $spacer; }
.bottom-0\.5 { bottom: 0.5 * $spacer; }
.left-0\.5   { left: 0.5 * $spacer; }
.right-0\.5  { right: 0.5 * $spacer; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0 }

.border, %border { border-width: 1px; }

.border-b   { border-bottom-width: 1px; }
.border-b-2 { border-bottom-width: 0.5 * $spacer; }

.border-current { border-color: currentColor; }

.rounded-sm, %rounded-sm { border-radius: 0.5 * $spacer; }
.rounded,    %rounded    { border-radius: 1   * $spacer; }
.rounded-lg, %rounded-lg { border-radius: 2   * $spacer; }

.rounded-t-sm, %rounded-t-sm { border-top-left-radius: 0.5 * $spacer; border-top-right-radius: 0.5 * $spacer; }
.rounded-t,    %rounded-t    { border-top-left-radius: 1   * $spacer; border-top-right-radius: 1   * $spacer; }
.rounded-t-lg, %rounded-t-lg { border-top-left-radius: 2   * $spacer; border-top-right-radius: 2   * $spacer; }

.shadow-md, %shadow-md { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }
.shadow-lg, %shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }

.object-contain { object-fit: contain; }

.m-auto { margin: auto; }
.m-0    { margin: 0; }
.m-px   { margin: 1px; }
.m-0\.5 { margin: 0.5 * $spacer; }

.mx-auto { margin-left: auto; margin-right: auto; }
.mx-0\.5 { margin-left: 0.5 * $spacer; margin-right: 0.5 * $spacer; }
.mx-2    { margin-left: 2   * $spacer; margin-right: 2   * $spacer; }

.mt-1  { margin-top: 1 * $spacer; }
.mt-2  { margin-top: 2 * $spacer; }
.mt-4  { margin-top: 4 * $spacer; }
.mt-8  { margin-top: 8 * $spacer; }

.mb-2  { margin-bottom: 2 * $spacer; }
.mb-4  { margin-bottom: 4 * $spacer; }
.mb-8  { margin-bottom: 8 * $spacer; }

.-mb-px { margin-bottom: -1px; }

.ml-4  { margin-left: 4 * $spacer; }

.p-0    { padding: 0; }
.p-px   { padding: 1px; }
.p-0\.5 { padding: 0.5 * $spacer; }
.p-1  { padding: 1 * $spacer; }
.p-4  { padding: 4 * $spacer; }

.px-1 { padding-left: 1 * $spacer; padding-right: 1 * $spacer; }
.px-2 { padding-left: 2 * $spacer; padding-right: 2 * $spacer; }
.px-4 { padding-left: 4 * $spacer; padding-right: 4 * $spacer; }
.px-8 { padding-left: 8 * $spacer; padding-right: 8 * $spacer; }

.py-1 { padding-top: 1 * $spacer; padding-bottom: 1 * $spacer; }
.py-2 { padding-top: 2 * $spacer; padding-bottom: 2 * $spacer; }
.py-4 { padding-top: 4 * $spacer; padding-bottom: 4 * $spacer; }
.py-8 { padding-top: 8 * $spacer; padding-bottom: 8 * $spacer; }

.pt-4 { padding-top: 4 * $spacer; }
.pt-8 { padding-top: 8 * $spacer; }

.pb-2 { padding-bottom: 2 * $spacer; }

.pr-2 { padding-right: 2 * $spacer; }
.pr-4 { padding-right: 4 * $spacer; }

.w-auto { width: auto; }
.w-min  { width: min-content; }
.w-max  { width: max-content; }
.w-sm   { width: 24rem; }
.w-md   { width: 28rem; }
.w-1\/4 { width: 25%; }
.w-1\/2 { width: 50%; }
.w-full { width: 100%; }
.w-48px { width: 48px; }
.w-150px { width: 150px; }
.w-180px { width: 180px; }
.w-225px { width: 225px; }
.w-270px { width: 270px; }
.w-360px { width: 360px; }

.max-w-full { max-width: 100%; }
.max-h-full { max-height: 100%; }

.h-auto    { height: auto; }
.h-inherit { height: inherit; }
.h-1    { height: 1  * $spacer; }
.h-3    { height: 3  * $spacer; }
.h-4    { height: 4  * $spacer; }
.h-8    { height: 8  * $spacer; }
.h-10   { height: 10 * $spacer; }
.h-12   { height: 12 * $spacer; }
.h-16   { height: 16 * $spacer; }
.h-full { height: 100%; }
.h-150px { height: 150px; }
.h-180px { height: 180px; }
.h-225px { height: 225px; }
.h-270px { height: 270px; }
.h-360px { height: 360px; }

.max-h-150px { max-height: 150px; }
.max-h-180px { max-height: 180px; }
.max-h-225px { max-height: 225px; }
.max-h-270px { max-height: 270px; }
.max-h-360px { max-height: 360px; }
.max-h-720px { max-height: 720px; }
.max-h-screen { max-height: 100vh; }

.space-x-1 > * + * { margin-left: 1 * $spacer; }
.space-x-2 > * + * { margin-left: 2 * $spacer; }
.space-x-4 > * + * { margin-left: 4 * $spacer; }
.space-y-4 > * + * { margin-top: 4 * $spacer; }

.gap-1 { gap: 1 * $spacer; }
.gap-2 { gap: 2 * $spacer; }
.gap-3 { gap: 3 * $spacer; }
.gap-4 { gap: 4 * $spacer; }

.divide-y-1 > * + * { border-top: 1px solid var(--divider-border-color); }

.align-top { vertical-align: top; }
.align-middle { vertical-align: middle; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-grow-1 { flex-grow: 1; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-items-center { justify-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.self-start { align-self: flex-start; }
.self-center { align-self: center; }
.self-stretch { align-self: stretch; }

.float-right { float: right; }

.grid-cols-1  { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3  { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4  { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6  { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-8  { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.link-color { color: var(--link-color); }

.card {
  @extend %border;
  @extend %rounded-lg;
  @extend %shadow-md;
}

.thin-scrollbar {
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 2 * $spacer;
  overscroll-behavior: contain; // https://caniuse.com/css-overscroll-behavior

  // Firefox only
  // https://caniuse.com/?search=scrollbar-width
  // https://developer.mozilla.org/en-US/docs/Web/CSS/scrollbar-width
  scrollbar-width: thin;

  &::-webkit-scrollbar {
    width: 5px;
    height: 5px;
  }

  &::-webkit-scrollbar-button {
    width: 0;
    height: 0;
  }

  &::-webkit-scrollbar-thumb {
    background: var(--post-tooltip-scrollbar-background);
    border: none;
    border-radius: 0;
  }

  &::-webkit-scrollbar-thumb:hover {
    background: var(--post-tooltip-scrollbar-thumb-color);
  }

  &::-webkit-scrollbar-thumb:active {
    background: var(--post-tooltip-scrollbar-thumb-color);
  }

  &::-webkit-scrollbar-track {
    background: var(--post-tooltip-scrollbar-track-background);
    border: none;
    border-radius: 0;
  }

  &::-webkit-scrollbar-track:hover {
    background: var(--post-tooltip-scrollbar-track-background);
  }

  &::-webkit-scrollbar-track:active {
    background: var(--post-tooltip-scrollbar-track-background);
  }

  &::-webkit-scrollbar-corner {
    background: transparent;
  }
}

.animate-spin {
  animation: animate-spin 1s linear infinite;
}

@keyframes animate-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media screen and (min-width: 660px) {
  .md\:inline-block { display: inline-block; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }

  .md\:space-x-4 > * + * { margin-left: 4 * $spacer; }
  .md\:space-x-8 > * + * { margin-left: 8 * $spacer; }
  .md\:space-y-0 > * + * { margin-top: 0; }
}