diff --git a/hubzilla/addon/scn01/view/css/scn01.css b/hubzilla/addon/scn01/view/css/scn01.css
index 232d13d..a68d7d3 100644
--- a/hubzilla/addon/scn01/view/css/scn01.css
+++ b/hubzilla/addon/scn01/view/css/scn01.css
@@ -1,15 +1,74 @@
-/* scn01 — Vital Signs — v0.1.0 */
+/* scn01 — Scenarios — v0.3.0 */
 
-/* --- Layout --- */
+.scn01-content {
+    max-width: 48rem;
+}
 
-/* --- Header --- */
+.scn01-header h2 {
+    margin-bottom: 0.25rem;
+}
 
-/* --- Content --- */
+/* --- Pinned strip --- */
 
-/* --- Directory (aside) --- */
+.scn01-pinned {
+    display: none;
+    margin-bottom: 0.75rem;
+}
 
-/* --- Directory: Core tab --- */
+.scn01-pinned-label {
+    margin-bottom: 0.25rem;
+}
 
-/* --- Directory: Tier tabs --- */
+.scn01-pin-chip {
+    display: inline-block;
+    background: var(--bs-secondary-bg, #e9ecef);
+    border-radius: 999px;
+    padding: 0.2rem 0.75rem;
+    margin: 0 0.25rem 0.25rem 0;
+    font-size: 0.85rem;
+    cursor: pointer;
+}
 
-/* --- Placeholder states --- */
+.scn01-pin-chip:hover {
+    background: var(--bs-secondary-bg-subtle, #d6d8db);
+}
+
+/* --- Carousel --- */
+
+.scn01-carousel {
+    display: flex;
+    align-items: center;
+    gap: 0.75rem;
+    margin-bottom: 0.75rem;
+}
+
+.scn01-card {
+    flex: 1;
+    border: 1px solid var(--bs-border-color, #dee2e6);
+    border-radius: 0.375rem;
+    padding: 1rem;
+    min-height: 8rem;
+}
+
+.scn01-category {
+    font-weight: bold;
+    text-transform: uppercase;
+    font-size: 0.75rem;
+    letter-spacing: 0.05em;
+    color: var(--bs-secondary-color, #6c757d);
+    margin-bottom: 0.5rem;
+}
+
+.scn01-text {
+    margin-bottom: 0.75rem;
+}
+
+.scn01-counter {
+    margin-top: 0.5rem;
+}
+
+/* --- Narrative form --- */
+
+.scn01-narrative textarea {
+    width: 100%;
+}