sets default admin creds in docker compose. first pass remote builder feature

src/app/admin/admin.component.scss

@@ -408,3 +408,143 @@
     color: $neutral-white;
   }
 }
+
+// ── Mobile builds tab ───────────────────────────────────
+
+.mobile-builds-panel {
+  display: grid;
+  gap: $spacing-lg;
+}
+
+.mobile-build-grid {
+  display: grid;
+  grid-template-columns: 1fr 2fr;
+  gap: $spacing-md;
+}
+
+.build-card {
+  background: $neutral-white;
+  border: 1px solid $neutral-light;
+  border-radius: $radius-md;
+  padding: $spacing-md;
+
+  h3,
+  h4 {
+    color: $primary-blue;
+    margin-top: 0;
+  }
+}
+
+.derived-list {
+  display: grid;
+  gap: $spacing-xs;
+  font-size: 0.92rem;
+}
+
+.form-row {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
+  gap: $spacing-sm;
+  margin-bottom: $spacing-sm;
+
+  label {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    font-size: 0.85rem;
+    color: $neutral-dark;
+    font-weight: 600;
+  }
+
+  input[type='text'],
+  input[type='file'] {
+    border: 1px solid $neutral-light;
+    border-radius: $radius-sm;
+    padding: $spacing-xs $spacing-sm;
+    font-size: 0.88rem;
+  }
+}
+
+.platform-row {
+  grid-template-columns: auto auto;
+
+  label {
+    flex-direction: row;
+    align-items: center;
+    font-weight: 600;
+  }
+}
+
+.status {
+  border-radius: $radius-sm;
+  padding: $spacing-sm;
+  margin: $spacing-sm 0;
+  font-size: 0.9rem;
+
+  &.success {
+    background: rgba($success-green, 0.1);
+    color: $success-green;
+  }
+
+  &.error {
+    background: rgba($danger-red, 0.1);
+    color: $danger-red;
+  }
+
+  ul {
+    margin: $spacing-xs 0 0 $spacing-md;
+  }
+}
+
+.selected-build {
+  background: rgba($primary-blue, 0.06);
+}
+
+.tab-toolbar.compact {
+  margin-bottom: $spacing-sm;
+}
+
+.action-group {
+  display: flex;
+  gap: $spacing-xs;
+}
+
+.artifact-list {
+  display: grid;
+  gap: $spacing-sm;
+  margin-bottom: $spacing-md;
+}
+
+.artifact-row {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  border: 1px solid $neutral-light;
+  border-radius: $radius-sm;
+  padding: $spacing-sm;
+}
+
+.artifact-meta {
+  font-size: 0.78rem;
+  color: $neutral-medium;
+}
+
+.build-log {
+  background: $neutral-black;
+  color: $neutral-white;
+  border-radius: $radius-sm;
+  padding: $spacing-sm;
+  max-height: 280px;
+  overflow: auto;
+  font-size: 0.8rem;
+}
+
+@include responsive(md) {
+  .mobile-build-grid {
+    grid-template-columns: 1fr;
+  }
+
+  .action-group {
+    flex-wrap: wrap;
+  }
+}