cinny/src/app/features/room/MediaGallery.css.ts

import { style } from '@vanilla-extract/css';
import { color, config, toRem } from 'folds';
import { SIDE_PANEL_WIDTH } from '../../styles/sidePanel';

// Right-side drawer DOCKED into the room layout row (a flex sibling of the
// timeline), exactly like MembersDrawer — not a floating overlay. Same width as
// every other right-hand panel (styles/sidePanel.ts, #263). On narrow viewports
// it becomes a full-screen fixed panel, matching the app's other drawers.
export const MediaGalleryDrawer = style({
  width: SIDE_PANEL_WIDTH,
  overflow: 'hidden',
  '@media': {
    '(max-width: 750px)': {
      position: 'fixed',
      inset: 0,
      width: '100%',
      zIndex: 500,
    },
  },
});

export const MediaGalleryHeader = style({
  flexShrink: 0,
  padding: `0 ${config.space.S200} 0 ${config.space.S300}`,
  borderBottomWidth: config.borderWidth.B300,
});

export const MediaGalleryTabs = style({
  flexShrink: 0,
  padding: config.space.S200,
  gap: config.space.S100,
  borderBottomWidth: config.borderWidth.B300,
  borderBottomStyle: 'solid',
  borderBottomColor: color.Background.ContainerLine,
});

export const MediaGalleryContent = style({
  padding: config.space.S200,
});

export const MediaGalleryGroup = style({
  marginBottom: config.space.S300,
});

export const MediaGalleryGroupLabel = style({
  padding: `${config.space.S200} ${config.space.S100}`,
});

export const MediaGalleryGrid = style({
  display: 'grid',
  gridTemplateColumns: 'repeat(3, 1fr)',
  gap: config.space.S100,
});

// Wraps a tile + its floating download button so the download control is a
// sibling of the tile <button> (never nested inside it — that would be invalid
// interactive-in-interactive markup). The wrapper is the grid cell; the tile
// button fills it via aspect-ratio.
export const GalleryTileWrap = style({
  position: 'relative',
  display: 'flex',
});

export const GalleryTileDownload = style({
  position: 'absolute',
  top: config.space.S100,
  right: config.space.S100,
  zIndex: 1,
  opacity: 0,
  transition: 'opacity 100ms ease-in-out',
  selectors: {
    [`${GalleryTileWrap}:hover &, ${GalleryTileWrap}:focus-within &`]: {
      opacity: 1,
    },
  },
  // Touch devices have no hover; keep the control reachable there.
  '@media': {
    '(hover: none)': {
      opacity: 1,
    },
  },
});

export const GalleryTile = style({
  position: 'relative',
  width: '100%',
  aspectRatio: '1',
  overflow: 'hidden',
  borderRadius: config.radii.R300,
  background: color.SurfaceVariant.Container,
  borderWidth: config.borderWidth.B300,
  borderStyle: 'solid',
  borderColor: color.SurfaceVariant.ContainerLine,
  cursor: 'pointer',
  padding: 0,
  display: 'flex',
  alignItems: 'center',
  justifyContent: 'center',
  transition: 'border-color 100ms ease-in-out',
  selectors: {
    '&:hover, &:focus-visible': {
      borderColor: color.Primary.Main,
    },
  },
});

export const GalleryTileImg = style({
  width: '100%',
  height: '100%',
  objectFit: 'cover',
  objectPosition: 'center top',
  display: 'block',
});

// Dark scrim is intentional: it overlays arbitrary media, so a theme surface
// token would not guarantee legibility of the sender/date caption.
export const GalleryTileOverlay = style({
  position: 'absolute',
  inset: 0,
  background: 'linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 55%)',
  opacity: 0,
  transition: 'opacity 100ms ease-in-out',
  pointerEvents: 'none',
  selectors: {
    [`${GalleryTile}:hover &, ${GalleryTile}:focus-visible &`]: {
      opacity: 1,
    },
  },
});

export const GalleryTileCaption = style({
  position: 'absolute',
  bottom: 0,
  left: 0,
  right: 0,
  padding: `${config.space.S100} ${config.space.S200}`,
});

export const GalleryVideoBadge = style({
  position: 'absolute',
  top: '50%',
  left: '50%',
  transform: 'translate(-50%, -50%)',
  width: toRem(28),
  height: toRem(28),
  borderRadius: '50%',
  background: 'rgba(0,0,0,0.6)',
  display: 'flex',
  alignItems: 'center',
  justifyContent: 'center',
  pointerEvents: 'none',
});