Added loading 5et from zip release, or cloning git repo. Improvements to CSS and some missing functionality

src/renderer/styles.css

@@ -213,6 +213,108 @@ body {
   color: var(--text-1);
 }
 
+.setup-wrap {
+  padding: 20px;
+}
+
+.setup-panel {
+  width: min(860px, 100%);
+  display: grid;
+  gap: 12px;
+}
+
+.setup-meta {
+  color: var(--text-2) !important;
+  font-size: 0.85rem;
+}
+
+.setup-error {
+  color: #ff9b9b !important;
+}
+
+.setup-form {
+  margin-top: 4px;
+  display: grid;
+  gap: 12px;
+}
+
+.setup-mode-row {
+  display: flex;
+  gap: 8px;
+}
+
+.setup-mode-btn {
+  border: 1px solid var(--line-strong);
+  border-radius: 9px;
+  background: rgba(10, 16, 28, 0.8);
+  color: var(--text-1);
+  padding: 7px 10px;
+  cursor: pointer;
+}
+
+.setup-mode-btn.is-active {
+  border-color: rgba(120, 205, 255, 0.75);
+  background: linear-gradient(140deg, rgba(63, 132, 207, 0.38), rgba(36, 75, 116, 0.82));
+  color: var(--text-0);
+}
+
+.setup-field {
+  display: grid;
+  gap: 5px;
+}
+
+.setup-field span {
+  color: var(--text-1);
+  font-size: 0.85rem;
+}
+
+.setup-field input {
+  width: 100%;
+  border: 1px solid var(--line-strong);
+  border-radius: 10px;
+  background: rgba(8, 14, 24, 0.88);
+  color: var(--text-0);
+  padding: 10px 12px;
+}
+
+.setup-zip-row {
+  display: grid;
+  grid-template-columns: 1fr auto;
+  gap: 8px;
+}
+
+.setup-zip-pick {
+  border: 1px solid var(--line-strong);
+  border-radius: 10px;
+  background: rgba(18, 32, 50, 0.94);
+  color: var(--text-1);
+  padding: 10px 12px;
+  cursor: pointer;
+}
+
+.setup-checkbox {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  color: var(--text-1);
+}
+
+.setup-submit {
+  justify-self: start;
+  border: 1px solid rgba(120, 205, 255, 0.65);
+  border-radius: 10px;
+  background: linear-gradient(140deg, rgba(56, 126, 198, 0.9), rgba(29, 87, 146, 0.95));
+  color: var(--text-0);
+  font-weight: 600;
+  padding: 10px 14px;
+  cursor: pointer;
+}
+
+.setup-submit:disabled {
+  opacity: 0.7;
+  cursor: default;
+}
+
 @keyframes frame-enter {
   from {
     opacity: 0.5;