feat: game over screen

css/style.css

@@ -136,6 +136,64 @@ canvas {
   display: none;
 }
 
+.p5-particles-container {
+  position: absolute;
+  inset: 0;
+  z-index: 1;
+  pointer-events: none;
+}
+
+.p5-game-over-panel {
+  position: fixed;
+  inset: 0;
+  width: 100vw;
+  height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 20px;
+  background: rgba(0, 0, 0, 0.95);
+  z-index: 9999;
+}
+
+.p5-game-over-panel[hidden] {
+  display: none;
+  pointer-events: none;
+}
+
+.p5-sketch-container {
+  position: relative;
+  width: 100%;
+  height: 100%;
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.game-over-info {
+  position: relative;
+  z-index: 10;
+  text-align: center;
+  padding: 20px;
+}
+
+.game-over-info .game-over-text {
+  margin-top: 0;
+  font-size: clamp(24px, 4vw, 40px);
+  font-weight: 700;
+  color: #f3f7ff;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+}
+
+.game-over-info .game-over-subtext {
+  font-size: 14px;
+  color: #c9d8ea;
+  letter-spacing: 0.05em;
+}
+
 .game-over-image {
   width: min(70%, 460px);
   max-height: 52vh;