new UI, unify map/demo/live architecture more, cleanup

src/components/GameDialog.module.css

@@ -0,0 +1,83 @@
+.Dialog {
+  position: relative;
+  max-width: calc(100dvw - 40px);
+  max-height: calc(100dvh - 40px);
+  background: rgba(20, 37, 38, 0.8);
+  border: 1px solid rgba(65, 131, 139, 0.6);
+  border-radius: 4px;
+  box-shadow:
+    0 0 50px rgba(0, 0, 0, 0.4),
+    inset 0 0 60px rgba(1, 7, 13, 0.6);
+  color: #b0d5c9;
+  font-size: 14px;
+  line-height: 1.5;
+  overflow: hidden;
+  outline: none;
+  user-select: text;
+  -webkit-touch-callout: default;
+}
+
+.Overlay {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.7);
+  z-index: 10;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 20px;
+}
+
+.DialogButton {
+  background: linear-gradient(
+    to bottom,
+    rgba(48, 164, 151, 0.8),
+    rgba(31, 150, 136, 0.8) 33%,
+    rgba(33, 131, 119, 0.8) 67%,
+    rgba(4, 101, 100, 0.8)
+  );
+  border: 1px solid rgba(56, 124, 116, 0.8);
+  border-top-color: rgba(87, 183, 185, 0.8);
+  border-radius: 4px;
+  box-shadow: inset 0 0 4px rgba(2, 128, 142, 0.5);
+  color: rgb(153, 255, 241);
+  text-shadow: 0 -1px 1px rgba(0, 0, 0, 0.4);
+  font-size: 14px;
+  font-weight: 500;
+  padding: 4px 18px;
+  cursor: pointer;
+  font-family: inherit;
+}
+
+.DialogButton:hover:not(:disabled) {
+  color: rgb(177, 255, 245);
+  border: 1px solid rgba(64, 145, 136, 0.9);
+  border-top-color: rgba(90, 198, 194, 0.9);
+  box-shadow:
+    inset 0 0 4px rgba(2, 128, 142, 0.5),
+    0 0 5px rgba(62, 255, 191, 0.5);
+}
+
+.DialogButton:active:not(:disabled) {
+  transform: translate(0, 1px);
+}
+
+.DialogButton:disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+/* Secondary/ghost variant for less prominent actions (Close, Cancel). */
+.Secondary {
+  composes: DialogButton;
+  background: transparent;
+  border: 1px solid rgba(56, 124, 116, 0.8);
+  box-shadow: none;
+  color: rgba(162, 226, 207, 0.8);
+  text-shadow: none;
+}
+
+.Secondary:hover:not(:disabled) {
+  color: rgba(169, 255, 229, 0.8);
+  border: 1px solid rgba(63, 144, 135, 0.9);
+}