connect game progression state to world

src/index.css

@@ -391,6 +391,77 @@ canvas {
   letter-spacing: 0.03em;
 }
 
+.game-state-hud {
+  position: fixed;
+  top: 18px;
+  right: 18px;
+  z-index: 20;
+  display: grid;
+  gap: 12px;
+  width: min(320px, calc(100vw - 36px));
+  padding: 14px;
+  border: 1px solid rgba(255, 255, 255, 0.18);
+  border-radius: 18px;
+  background: rgba(4, 7, 13, 0.78);
+  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
+  color: #f8fafc;
+  backdrop-filter: blur(16px);
+}
+
+.game-state-hud__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+}
+
+.game-state-hud__header span,
+.game-state-hud__detail {
+  color: rgba(248, 250, 252, 0.68);
+  font-size: 12px;
+  font-weight: 700;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+}
+
+.game-state-hud__header strong {
+  font-size: 16px;
+  letter-spacing: -0.03em;
+  text-transform: uppercase;
+}
+
+.game-state-hud__detail {
+  margin: 0;
+  text-transform: none;
+}
+
+.game-state-hud__states,
+.game-state-hud__actions {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.game-state-hud button {
+  min-height: 32px;
+  padding: 0 10px;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  border-radius: 999px;
+  background: rgba(255, 255, 255, 0.08);
+  color: #f8fafc;
+  font-size: 12px;
+  font-weight: 700;
+  cursor: pointer;
+}
+
+.game-state-hud button:hover,
+.game-state-hud button:focus-visible,
+.game-state-hud button.is-active {
+  border-color: rgba(125, 211, 252, 0.75);
+  background: rgba(125, 211, 252, 0.18);
+  outline: none;
+}
+
 /* Editor page */
 .editor-container {
   position: fixed;