added blackout timer

actionBlocks_website/src/components/BlackoutTimer.module.css

@@ -0,0 +1,46 @@
+.timer {
+  position: absolute;
+  top: 4px;
+  right: 4px;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 6px;
+  border: 3px solid;
+  background: #000;
+  font-size: 12px;
+  line-height: 1;
+  pointer-events: none;
+  z-index: 2;
+}
+
+.icon {
+  width: 14px;
+  height: 14px;
+  image-rendering: pixelated;
+}
+
+.small {
+  top: 2px;
+  right: 2px;
+  gap: 3px;
+  padding: 2px 3px;
+  border-width: 2px;
+  font-size: 8px;
+}
+
+.small .icon {
+  width: 8px;
+  height: 8px;
+}
+
+/* Blink during the last second so the return of the board isn't a surprise. */
+.ending {
+  animation: blink 0.25s steps(2) infinite;
+}
+
+@keyframes blink {
+  50% {
+    opacity: 0.3;
+  }
+}

actionBlocks_website/src/components/BlackoutTimer.tsx

@@ -0,0 +1,18 @@
+import { itemVisual } from '../theme/assets';
+import styles from './BlackoutTimer.module.css';
+
+/** Seconds left on a player's blackout, in the corner of their board. */
+export function BlackoutTimer({ remaining, small = false }: { remaining: number; small?: boolean }) {
+  if (remaining <= 0) return null;
+  const visual = itemVisual('blind');
+  return (
+    <div
+      className={[styles.timer, small ? styles.small : '', remaining < 1 ? styles.ending : ''].join(' ')}
+      style={{ color: visual.color, borderColor: visual.color }}
+      title={visual.name}
+    >
+      <img className={styles.icon} src={visual.icon} alt="" />
+      {remaining.toFixed(1)}s
+    </div>
+  );
+}

actionBlocks_website/src/components/MiniBoard.tsx

@@ -1,6 +1,7 @@
 import { memo } from 'react';
 import type { PlayerState } from '../net/types';
 import type { ItemFlash } from '../net/useGameConnection';
+import { BlackoutTimer } from './BlackoutTimer';
 import { BoardCanvas } from './BoardCanvas';
 import { ItemBar } from './ItemBar';
 import { ItemFlashOverlay } from './ItemFlashOverlay';
@@ -29,6 +30,7 @@ export const MiniBoard = memo(function MiniBoard({ state, width, height, slot, s
       </div>
       <BoardCanvas state={state} width={width} height={height} cell={cell} highlighted={selected}>
         <ItemFlashOverlay flashes={flashes} small />
+        <BlackoutTimer remaining={state.alive ? state.invisibleRemaining : 0} small />
       </BoardCanvas>
       <div className={styles.items} style={{ width: width * cell + 6 }}>
         <ItemBar items={state.inventory} size={Math.max(10, cell)} />