phase 1 backup - support for multi-file versioned upload

nonpacks/static/css/style.css

@@ -2705,3 +2705,71 @@ a.deletelink {
     font-size: 0.75rem;
     color: var(--md-sys-color-on-surface-variant);
 }
+
+/* ========== Project ID badge ========== */
+.project-id-badge {
+    display: inline-block;
+    padding: 2px 8px;
+    border-radius: 999px;
+    background: var(--md-sys-color-surface-variant);
+    color: var(--md-sys-color-on-surface-variant);
+    font-size: 0.72rem;
+    font-weight: 600;
+    vertical-align: middle;
+    margin-left: 6px;
+}
+
+/* ========== Per-file version list ========== */
+.version-downloads {
+    display: inline-block;
+    margin-left: 12px;
+    font-size: 0.75rem;
+    color: var(--md-sys-color-on-surface-variant);
+}
+.version-files {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 8px;
+    margin-top: 8px;
+}
+.version-file {
+    display: inline-flex;
+    align-items: center;
+    gap: 8px;
+    padding: 6px 8px;
+    border-radius: 8px;
+    border: 1px solid var(--md-sys-color-outline-variant);
+    background: var(--md-sys-color-surface-variant);
+    max-width: 100%;
+}
+.version-file-thumb {
+    width: 40px;
+    height: 40px;
+    object-fit: cover;
+    border-radius: 6px;
+}
+.version-file-icon {
+    font-size: 1.4rem;
+    color: var(--md-sys-color-on-surface-variant);
+}
+.version-file-name {
+    font-size: 0.8rem;
+    word-break: break-all;
+}
+
+/* ========== Per-file caption on media previews ========== */
+.file-caption {
+    position: absolute;
+    top: 6px;
+    left: 6px;
+    width: calc(100% - 44px);
+    background: rgba(0, 0, 0, 0.55);
+    color: #fff;
+    border: none;
+    border-radius: 6px;
+    font-size: 0.7rem;
+    padding: 3px 6px;
+}
+.file-caption::placeholder {
+    color: rgba(255, 255, 255, 0.7);
+}