learnhouse/apps/web/styles/globals.css

@import url('https://api.fonts.coollabs.io/css2?family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400;1,500&display=swap')
layer(base);
/*
  ---break---
*/
@plugin 'tailwindcss-animate';

@import 'tailwindcss';

@plugin "@tailwindcss/typography";

@custom-variant dark (&:is(.dark *));

@theme {
  --radius-lg: var(--radius);
  --radius-md: calc(var(--radius) - 2px);
  --radius-sm: calc(var(--radius) - 4px);

  --color-background: hsl(var(--background));
  --color-foreground: hsl(var(--foreground));

  --color-card: hsl(var(--card));
  --color-card-foreground: hsl(var(--card-foreground));

  --color-popover: hsl(var(--popover));
  --color-popover-foreground: hsl(var(--popover-foreground));

  --color-primary: hsl(var(--primary));
  --color-primary-foreground: hsl(var(--primary-foreground));

  --color-secondary: hsl(var(--secondary));
  --color-secondary-foreground: hsl(var(--secondary-foreground));

  --color-muted: hsl(var(--muted));
  --color-muted-foreground: hsl(var(--muted-foreground));

  --color-accent: hsl(var(--accent));
  --color-accent-foreground: hsl(var(--accent-foreground));

  --color-destructive: hsl(var(--destructive));
  --color-destructive-foreground: hsl(var(--destructive-foreground));

  --color-border: hsl(var(--border));
  --color-input: hsl(var(--input));
  --color-ring: hsl(var(--ring));

  --color-chart-1: hsl(var(--chart-1));
  --color-chart-2: hsl(var(--chart-2));
  --color-chart-3: hsl(var(--chart-3));
  --color-chart-4: hsl(var(--chart-4));
  --color-chart-5: hsl(var(--chart-5));
}

/*
  The default border color has changed to `currentColor` in Tailwind CSS v4,
  so we've added these compatibility styles to make sure everything still
  looks the same as it did with Tailwind CSS v3.

  If we ever want to remove these styles, we need to add an explicit border
  color utility to any element that depends on these defaults.
*/
@layer base {
  *,
  ::after,
  ::before,
  ::backdrop,
  ::file-selector-button {
    border-color: var(--color-gray-200, currentColor);
  }
}

@layer utilities {
  .nice-shadow {
    @apply shadow-md shadow-gray-300/25 outline outline-1 outline-neutral-200/40;
  }

  .light-shadow {
    @apply shadow-lg shadow-gray-300/15 outline outline-1 outline-neutral-200/30;
  }

  .custom-dots-bg {
    @apply bg-fixed;
    background-image:
      radial-gradient(#4744446b 1px, transparent 1px),
      radial-gradient(#4744446b 1px, transparent 1px);
    background-position:
      0 0,
      25px 25px;
    background-size: 50px 50px;
    background-repeat: repeat;
  }

  html,
  body {
    padding: 0;
    margin: 0;
    transition: all 0.2s ease;
    font-family:
      'DM Sans',
      -apple-system,
      BlinkMacSystemFont,
      Segoe UI,
      Roboto,
      Oxygen,
      Ubuntu,
      Cantarell,
      Fira Sans,
      Droid Sans,
      Helvetica Neue,
      sans-serif;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button {
    @apply cursor-pointer;
  }

  * {
    box-sizing: border-box;
  }

  @media (prefers-color-scheme: dark) {
    body {
      color: black;
      background: #fbfbfb;
    }
  }

  /* Basic editor styles */
  .ProseMirror > * + * {
    margin-top: 0.75em;
  }
  /* Placeholder (at the top) */
  .ProseMirror p.is-editor-empty:first-child::before {
    color: #adb5bd;
    content: attr(data-placeholder);
    float: left;
    height: 0;
    pointer-events: none;
  }
  /* Give a remote user a caret */
  .collaboration-cursor__caret {
    border-left: 1px solid #0d0d0d;
    border-right: 1px solid #0d0d0d;
    margin-left: -1px;
    margin-right: -1px;
    pointer-events: none;
    position: relative;
    word-break: normal;
  }
  /* Render the username above the caret */
  .collaboration-cursor__label {
    border-radius: 3px 3px 3px 0;
    color: #0d0d0d;
    font-size: 12px;
    font-style: normal;
    font-weight: 600;
    left: -1px;
    line-height: normal;
    padding: 0.1rem 0.3rem;
    position: absolute;
    top: -1.4em;
    user-select: none;
    white-space: nowrap;
  }

  .fade-enter {
    opacity: 0;
    transform: translateY(-20px);
  }

  .fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition:
      opacity 300ms,
      transform 300ms;
  }

  .fade-exit {
    opacity: 1;
    transform: translateY(0);
  }

  .fade-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition:
      opacity 300ms,
      transform 300ms;
  }
}

@layer base {
  :root {
    --background: 0 0% 100%;
    --foreground: 0 0% 3.9%;
    --card: 0 0% 100%;
    --card-foreground: 0 0% 3.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 0 0% 3.9%;
    --primary: 0 0% 9%;
    --primary-foreground: 0 0% 98%;
    --secondary: 0 0% 96.1%;
    --secondary-foreground: 0 0% 9%;
    --muted: 0 0% 96.1%;
    --muted-foreground: 0 0% 45.1%;
    --accent: 0 0% 96.1%;
    --accent-foreground: 0 0% 9%;
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 0 0% 98%;
    --border: 0 0% 89.8%;
    --input: 0 0% 89.8%;
    --ring: 0 0% 3.9%;
    --chart-1: 12 76% 61%;
    --chart-2: 173 58% 39%;
    --chart-3: 197 37% 24%;
    --chart-4: 43 74% 66%;
    --chart-5: 27 87% 67%;
    --radius: 0.5rem;}
  .dark {
    --background: 0 0% 3.9%;
    --foreground: 0 0% 98%;
    --card: 0 0% 3.9%;
    --card-foreground: 0 0% 98%;
    --popover: 0 0% 3.9%;
    --popover-foreground: 0 0% 98%;
    --primary: 0 0% 98%;
    --primary-foreground: 0 0% 9%;
    --secondary: 0 0% 14.9%;
    --secondary-foreground: 0 0% 98%;
    --muted: 0 0% 14.9%;
    --muted-foreground: 0 0% 63.9%;
    --accent: 0 0% 14.9%;
    --accent-foreground: 0 0% 98%;
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 0 0% 98%;
    --border: 0 0% 14.9%;
    --input: 0 0% 14.9%;
    --ring: 0 0% 83.1%;
    --chart-1: 220 70% 50%;
    --chart-2: 160 60% 45%;
    --chart-3: 30 80% 55%;
    --chart-4: 280 65% 60%;
    --chart-5: 340 75% 55%;}}

@layer base {
  * {
    @apply border-border;}
  body {
    @apply bg-background text-foreground;}}

    /* Flipcard 3D Animation Styles */
.flipcard-container {
  perspective: 1000px;
}

.flipcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.7s ease-in-out;
  transform-style: preserve-3d;
}

.flipcard-inner.flipped {
  transform: rotateY(180deg);
}

.flipcard-front,
.flipcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 12px;
}

.flipcard-back {
  transform: rotateY(180deg);
}