chg: usr: add ReCaptcha overlay again to protect the game #7

assets/css/mineseeker/_overlay.scss

@@ -676,3 +676,96 @@
    }
 }
 
+// CaptchaOverlay Styles
+.captcha-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(7, 9, 13, 0.95);
+  backdrop-filter: blur(8px);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+}
+
+.captcha-content {
+  text-align: center;
+  color: #fff;
+  max-width: 400px;
+  padding: 40px;
+}
+
+.captcha-icon {
+  font-size: 64px;
+  color: #236f87;
+  margin-bottom: 24px;
+}
+
+.captcha-title {
+  font: 800 32px 'Rajdhani', sans-serif;
+  margin: 0 0 16px;
+  letter-spacing: 1px;
+}
+
+.captcha-description {
+  color: rgba(149, 207, 245, 0.7);
+  font: 400 16px 'Rajdhani', sans-serif;
+  margin: 0 0 32px;
+  letter-spacing: 0.5px;
+}
+
+.captcha-button {
+  background: linear-gradient(#236f87 0%, #1a5068 100%);
+  border: 2px solid #2e7a9a;
+  border-radius: 8px;
+  color: #e0f4ff;
+  cursor: pointer;
+  font: 800 18px 'Rajdhani', sans-serif;
+  letter-spacing: 2px;
+  padding: 16px 40px;
+  text-transform: uppercase;
+  transition: all 0.3s ease;
+  display: inline-flex;
+  align-items: center;
+  gap: 12px;
+  opacity: 1;
+
+  i {
+    font-size: 16px;
+  }
+
+  &:disabled {
+    opacity: 0.7;
+    cursor: wait;
+  }
+
+  &:hover:not(:disabled) {
+    background: linear-gradient(#2d8aa8 0%, #236f87 100%);
+    border-color: #5ba4d4;
+    color: #fff;
+    box-shadow: 0 8px 24px rgba(35, 111, 135, 0.4);
+    transform: translateY(-2px);
+  }
+
+  &:active:not(:disabled) {
+    transform: translateY(0);
+  }
+
+  &.captcha-button--error {
+    background: linear-gradient(#8a2323 0%, #681a1a 100%);
+    border-color: #9a2e2e;
+
+    &:hover {
+      background: linear-gradient(#a82d2d 0%, #872323 100%);
+      border-color: #d45b5b;
+      box-shadow: 0 8px 24px rgba(135, 35, 35, 0.4);
+    }
+  }
+
+  &.captcha-button--loading {
+    opacity: 0.7;
+  }
+}