/* Companion Buttons — scoped under its tile via [data-module="companion-buttons"],
   styled with the shell's CSS variables only. The button pictures carry
   Companion's own colours; everything around them follows the theme. */

[data-module="companion-buttons"] .cb-root {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 6px;
  overflow: hidden;
}

[data-module="companion-buttons"] .cb-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(var(--cb-cols, 1), var(--cb-size, 64px));
  grid-auto-rows: var(--cb-size, 64px);
  gap: 6px;
  align-content: center;
  justify-content: center;
}

[data-module="companion-buttons"] .cb-grid[hidden] { display: none; }

[data-module="companion-buttons"] .cb-face {
  position: relative;
  width: var(--cb-size, 64px);
  height: var(--cb-size, 64px);
  border-radius: 8%;
  overflow: hidden;
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

[data-module="companion-buttons"] .cb-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
}

[data-module="companion-buttons"] .cb-face.is-waiting {
  animation: cb-wait 1.4s ease-in-out infinite alternate;
}

@keyframes cb-wait {
  from { opacity: 0.35; }
  to { opacity: 0.8; }
}

/* A ticked place with no button on it any more. */
[data-module="companion-buttons"] .cb-face.is-empty {
  background: transparent;
  outline: 1px dashed var(--border);
  outline-offset: -1px;
}

/* Companion gone: the last pictures stay, faded, so nobody reads them as live. */
[data-module="companion-buttons"] .cb-root.is-offline .cb-face {
  opacity: 0.3;
  filter: grayscale(1);
}

[data-module="companion-buttons"] .cb-banner {
  flex: none;
  margin-bottom: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: var(--danger);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

[data-module="companion-buttons"] .cb-banner[hidden] { display: none; }

[data-module="companion-buttons"] .cb-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

[data-module="companion-buttons"] .cb-empty[hidden] { display: none; }

/* Choosing: the whole page is shown and clickable; buttons this tile leaves out are faded. */
[data-module="companion-buttons"] .cb-root.is-choosing .cb-face {
  cursor: pointer;
}

[data-module="companion-buttons"] .cb-root.is-choosing .cb-face:hover {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

[data-module="companion-buttons"] .cb-root.is-choosing .cb-face.is-off {
  opacity: 0.25;
  filter: grayscale(1);
}