/*
 * Desktop Material documentation hub — dim sum surprise.
 *
 * Colour, shape, elevation and motion all come from the M3 tokens declared in
 * `docs-hub.css`; nothing here invents a value. The illustrations carry their
 * own warm mat inside the SVG because an <img> cannot inherit those tokens, so
 * the artwork reads the same in the light and dark schemes.
 *
 * The card sits bottom-left. Toasts already own bottom-right, and a garnish
 * must never cover a message the reader needs.
 */

.dm-dimsum {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 45;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  box-sizing: border-box;
  /* Never wider than the viewport, so 320 px never scrolls sideways. */
  width: min(22rem, calc(100vw - 2rem));
  /*
   * Never taller than the viewport either. A fixed card cannot be scrolled
   * into view, so on a short window — a landscape phone, or a desktop window
   * dragged down to 256 px — an uncapped card pushes its own title and its
   * dismiss button off the top of the screen where nothing can reach them.
   * `dvh` follows the mobile visual viewport; the `vh` line above it is the
   * fallback for engines that do not know the newer unit.
   */
  max-height: calc(100vh - 2rem);
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  /* Scrolling the garnish must not start scrolling the page behind it. */
  overscroll-behavior: contain;
  padding: 0.75rem 0.75rem 0.85rem 0.85rem;
  border-radius: var(--md-shape-lg);
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  border: 1px solid var(--md-outline-variant);
  box-shadow: var(--md-elevation-3);
  animation: dm-dimsum-in var(--md-motion-medium) var(--md-motion-easing);
}

/*
 * A card on its way out is already invisible, so it must stop taking the
 * pointer: without this, a cursor resting in the bottom-left corner would both
 * cancel the removal (mouseenter clears the leave timer) and swallow clicks
 * meant for whatever is underneath a card nobody can see.
 */
.dm-dimsum[data-leaving='true'] {
  pointer-events: none;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 220ms var(--md-motion-easing),
    transform 220ms var(--md-motion-easing);
}

.dm-dimsum__art {
  flex: none;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--md-shape-md);
  /* The SVG is authored at 64 px; scaling stays crisp because it is vector. */
  display: block;
}

.dm-dimsum__text {
  flex: 1 1 auto;
  min-width: 0;
}

.dm-dimsum__text > p {
  margin: 0;
}

.dm-dimsum__title {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--md-on-surface-variant);
}

/* The dish's name is the fact on this card, so it is the loudest thing on it. */
.dm-dimsum__dish {
  margin-top: 0.15rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  /* Long bilingual names wrap rather than clip at narrow widths. */
  overflow-wrap: anywhere;
}

.dm-dimsum__rom {
  margin-top: 0.1rem;
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
}

.dm-dimsum__lead {
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--md-on-surface-variant);
}

.dm-dimsum__lead--second {
  margin-top: 0.2rem;
}

.dm-dimsum__close {
  flex: none;
  /* 44 px in both dimensions: the rules' minimum touch target. */
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: var(--md-shape-full);
  background: transparent;
  color: var(--md-on-surface-variant);
  font-size: 0.9rem;
  cursor: pointer;
}

.dm-dimsum__close:hover {
  background: color-mix(in srgb, currentColor 14%, transparent);
}

.dm-dimsum__close:focus-visible {
  outline: 2px solid var(--md-primary);
  outline-offset: 2px;
}

@keyframes dm-dimsum-in {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/*
 * Below 420 px the card spans the width it is given rather than sitting in a
 * corner, which keeps the dish name on two lines instead of five.
 */
@media (max-width: 420px) {
  .dm-dimsum {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    width: auto;
  }

  .dm-dimsum__art {
    width: 3rem;
    height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dm-dimsum {
    animation: none;
  }

  .dm-dimsum[data-leaving='true'] {
    transition: none;
  }
}

@media (forced-colors: active) {
  .dm-dimsum {
    border: 1px solid CanvasText;
    background: Canvas;
    color: CanvasText;
  }

  .dm-dimsum__close {
    border: 1px solid CanvasText;
  }
}

/* A garnish has no place on paper. */
@media print {
  .dm-dimsum {
    display: none !important;
  }
}