TelegramPWA/src/styles/index.scss

@import 'reboot';
@import 'variables';
@import 'mixins';
@import 'spacing';
@import 'forms';
@import 'icons';
@import 'common';
@import '../assets/fonts/roboto.css';

html, body {
  width: 100%;
  height: 100%;
  background: var(--color-background);
  margin: 0;
  padding: 0;
  font-size: 16px;
  font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI", Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  @media (max-width: 600px) {
    height: calc(var(--vh, 1vh) * 100);
  }
}

body.is-ios,
body.is-macos {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Roboto", "Apple Color Emoji", "Helvetica Neue", sans-serif;
}

html[lang=fa],
html[lang=fa] body {
  font-family: "Vazir", "Roboto", -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI", Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;

  &.is-ios,
  &.is-macos {
    font-family: "Vazir", -apple-system, BlinkMacSystemFont, "Roboto", "Apple Color Emoji", "Segoe UI", Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  }
}

body.is-ios {
  --border-radius-messages: 1rem;
  --border-radius-messages-small: 0.5rem;
}

body.cursor-grabbing, body.cursor-grabbing * {
  cursor: grabbing !important;
}

body.cursor-ew-resize {
  cursor: ew-resize !important;
}

#root {
  height: 100%;
  @media (max-width: 600px) {
    height: calc(var(--vh, 1vh) * 100);
  }
}

#middle-column-portals,
#portals {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

.hidden {
  visibility: hidden;
}

.no-selection {
  user-select: none;
  -webkit-user-select: none !important;
}

.resize-handle {
  display: none;
  position: absolute;
  top: 0;
  right: -.25rem;
  bottom: 0;
  width: .25rem;
  z-index: var(--z-resize-handle);
  cursor: ew-resize;

  @media (min-width: 926px) {
    display: block;
  }
}

/*
 See the article for more information on this visually-hidden pattern.
 https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
*/
.visually-hidden {
  position: absolute !important;
  width: 0;
  height: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  z-index: -1;
}

.not-implemented {
  opacity: 0.5;

  &, & * {
    cursor: not-allowed !important;
  }
}

* {
  box-sizing: border-box;
}

.no-animations #root *,
.no-animations #root *::before,
.no-animations #root *::after {
  transition: none !important;
}

.custom-scroll,
.custom-scroll-x {
  scrollbar-width: thin;
  scrollbar-color: rgba(90, 90, 90, 0) transparent;
  transition: scrollbar-color .3s ease;

  -webkit-overflow-scrolling: touch;
  // Fix scroll lock on iOS
  pointer-events: auto;

  &::-webkit-scrollbar-thumb {
    background-color: rgba(90, 90, 90, 0);
    border-radius: 0.375rem;
    // `box-shadow` prevents repaint on macOS when hovering out of scrollable container
    box-shadow: 0 0 1px rgba(255, 255, 255, .01);
  }

  &:hover, &:focus, &:focus-within {
    scrollbar-color: rgba(90, 90, 90, 0.3) transparent;

    &::-webkit-scrollbar-thumb {
      background-color: rgba(90, 90, 90, 0.3);
    }
  }
}

body:not(.is-ios) {
  .custom-scroll {
    &::-webkit-scrollbar {
      width: .375rem;
    }
  }

  .custom-scroll-x {
    &::-webkit-scrollbar {
      height: .35rem;
    }
  }
}

.no-scrollbar {
  scrollbar-width: none;

  &::-webkit-scrollbar {
    display: none;
  }
}

.emoji-small {
  background: no-repeat;
  background-size: 1.25rem;
  color: transparent;
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  margin-inline-end: 1px;
  overflow: hidden;
  flex-shrink: 0;

  &::selection {
    background-color: var(--color-selection-highlight-emoji);
    color: transparent;
  }
}

div[role="button"] {
  outline: none !important;
  cursor: pointer;
}

.opacity-transition {
  opacity: 1;
  transition: opacity .15s ease;

  &:not(.open) {
    opacity: 0;
  }

  &:not(.shown) {
    display: none;
  }

  &.slow {
    transition-duration: .3s;
  }
}

.color-primary {
  color: var(--color-primary) !important;
}

.color-danger {
  color: var(--color-error) !important;
}

.text-muted {
  color: var(--color-text-secondary) !important;
}

.protector {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

.for-ios-autocapitalization-fix {
  position: fixed;
  font-size: 16px;
  opacity: 0;
  bottom: 1rem;
  z-index: -1;
}

@keyframes grow-icon {
  0% {
    transform: scale(0.5);
    opacity: .8;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

@keyframes hide-icon {
  from {
    transform: scale(1);
    opacity: .4;
  }
  to {
    transform: scale(.5);
    opacity: 0;
  }
}