headplane/app/tailwind.css

@import "tailwindcss";
@import "./tokens.css";

@plugin "tailwindcss-animate";

/* Dark mode: respect an explicit `.dark` / `.light` class on <html>, and fall
 * back to the user's OS preference when neither is set (i.e. "system"). */
@custom-variant dark {
  &:where(.dark, .dark *) {
    @slot;
  }
  @media (prefers-color-scheme: dark) {
    &:where(html:not(.light):not(.dark)),
    &:where(html:not(.light):not(.dark) *) {
      @slot;
    }
  }
}

@theme {
  --blur-xs: 2px;

  --height-editor: calc(100vh - 20rem);

  --font-sans: "Inter Variable", -apple-system, BlinkMacSystemFont, sans-serif;

  --text-xs: 0.75rem;
  --text-xs--line-height: 1rem;
  --text-sm: 0.8125rem;
  --text-sm--line-height: 1.125rem;
  --text-base: 0.875rem;
  --text-base--line-height: 1.25rem;
  --text-lg: 0.9375rem;
  --text-lg--line-height: 1.375rem;
  --text-xl: 1.25rem;
  --text-xl--line-height: 1.75rem;

  --transition-duration-25: 25ms;
  --transition-duration-50: 50ms;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.625rem;

  --animate-loading: loader 0.8s infinite ease-in-out;

  @keyframes loader {
    from {
      transform: translateX(-100%);
    }
    to {
      transform: translateX(100%);
    }
  }
}

@utility border-overlay {
  border-width: 1px;
  border-color: var(--hp-line);

  @variant dark {
    border-color: var(--hp-line-strong);
  }
}

@utility focus-ring {
  &:focus-visible {
    outline: 2px solid var(--hp-accent);
    outline-offset: 2px;
  }
}

@utility focus-within-ring {
  &:has(:focus-visible) {
    outline: 2px solid var(--hp-accent);
    outline-offset: 2px;
  }
}

@utility container {
  margin-inline: auto;
  padding-inline: 1rem;
  width: 100%;
  max-width: 96rem; /* 1536px - constrain on large displays */

  @media (width >= theme(--breakpoint-sm)) {
    padding-inline: 2rem;
  }
  @media (width >= theme(--breakpoint-lg)) {
    padding-inline: 4rem;
  }

  @media (width >= theme(--breakpoint-xl)) {
    padding-inline: 5rem;
  }

  @media (width >= theme(--breakpoint-2xl)) {
    padding-inline: 6rem;
  }
}

@layer base {
  html {
    /* The scrollbar gutter shows the root background, not body's. */
    background-color: var(--hp-canvas);

    /* app/layout/scrollbar.tsx draws an overlay thumb instead, so the page
       never shifts when a classic scrollbar appears. */
    @media (pointer: fine) {
      scrollbar-width: none;

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

    @apply dark:dark-tokens;
  }

  body {
    @apply bg-canvas text-fg text-base;
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

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

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

  ::-webkit-scrollbar-thumb {
    background-color: var(--hp-line-strong);
    border-radius: 5px;
  }

  * {
    scrollbar-width: thin;
    scrollbar-color: var(--hp-line-strong) transparent;
  }
}

@utility dark-cm-tokens {
  --cm-keyword: var(--color-purple-400);
  --cm-string: var(--color-emerald-400);
  --cm-variable: var(--color-cyan-400);
  --cm-property: var(--color-violet-400);
  --cm-atom: var(--color-orange-400);
  --cm-number: var(--color-orange-400);
}

@layer base {
  html {
    --cm-bg: var(--hp-surface);
    --cm-fg: var(--hp-fg);
    --cm-caret: var(--hp-fg);
    --cm-selection: var(--hp-accent-subtle);
    --cm-selection-match: var(--hp-subtle);
    --cm-line-highlight: var(--hp-subtle);
    --cm-gutter-bg: var(--hp-canvas);
    --cm-gutter-fg: var(--hp-faint);
    --cm-gutter-fg-active: var(--hp-muted);
    --cm-gutter-border: var(--hp-line);
    --cm-comment: var(--hp-muted);
    --cm-keyword: var(--color-purple-600);
    --cm-string: var(--color-emerald-700);
    --cm-type: var(--hp-accent);
    --cm-definition: var(--hp-accent);
    --cm-name: var(--hp-fg);
    --cm-variable: var(--color-cyan-700);
    --cm-property: var(--color-violet-600);
    --cm-atom: var(--color-orange-600);
    --cm-number: var(--color-orange-600);
    --cm-link: var(--hp-accent);
    --cm-bracket: var(--hp-muted);

    @apply dark:dark-cm-tokens;
  }
}

.cm-merge-theme,
.cm-mergeView,
.cm-mergeViewEditor {
  height: 100% !important;
}

.cm-mergeViewEditors {
  height: 100%;
}

.toast-viewport {
  position: fixed;
  z-index: 50;
  bottom: 2rem;
  right: 1rem;
  left: auto;
  top: auto;
  width: 20rem;
}

.toast-root {
  --gap: 0.75rem;
  --peek: 0.75rem;
  --scale: calc(max(0, 1 - (var(--toast-index) * 0.1)));
  --shrink: calc(1 - var(--scale));
  --height: var(--toast-frontmost-height, var(--toast-height));
  --offset-y: calc(
    var(--toast-offset-y) * -1 + (var(--toast-index) * var(--gap) * -1) +
      var(--toast-swipe-movement-y)
  );

  position: absolute;
  right: 0;
  bottom: 0;
  left: auto;
  width: 100%;
  height: var(--height);
  z-index: calc(1000 - var(--toast-index));
  transform-origin: bottom center;
  user-select: none;

  transform: translateX(var(--toast-swipe-movement-x))
    translateY(
      calc(
        var(--toast-swipe-movement-y) - (var(--toast-index) * var(--peek)) -
          (var(--shrink) * var(--height))
      )
    )
    scale(var(--scale));

  transition:
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.5s,
    height 0.15s;

  &[data-expanded] {
    transform: translateX(var(--toast-swipe-movement-x)) translateY(var(--offset-y));
    height: var(--toast-height);
  }

  &[data-starting-style] {
    transform: translateY(150%);
  }

  &[data-ending-style] {
    opacity: 0;
    transform: translateY(150%);

    &[data-swipe-direction="up"] {
      transform: translateY(calc(var(--toast-swipe-movement-y) - 150%));
    }
    &[data-swipe-direction="down"] {
      transform: translateY(calc(var(--toast-swipe-movement-y) + 150%));
    }
    &[data-swipe-direction="left"] {
      transform: translateX(calc(var(--toast-swipe-movement-x) - 150%)) translateY(var(--offset-y));
    }
    &[data-swipe-direction="right"] {
      transform: translateX(calc(var(--toast-swipe-movement-x) + 150%)) translateY(var(--offset-y));
    }
  }

  &[data-limited] {
    opacity: 0;
  }

  /* Invisible hit area to bridge hover gap between toasts */
  &::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: calc(var(--gap) + 1px);
  }
}

.toast-content {
  overflow: hidden;
  transition: opacity 0.25s;

  &[data-behind] {
    opacity: 0;
  }

  &[data-expanded] {
    opacity: 1;
  }
}

.cm-mergeView .cm-editor,
.cm-mergeView .cm-editor .cm-scroller {
  height: 100% !important;
}

.cm-mergeViewEditors {
  scrollbar-color: var(--cm-gutter-border) transparent;
  scrollbar-width: auto;
}