diff --git a/src/css/layout.css b/src/css/layout.css
index 9f13994..8dad956 100644
--- a/src/css/layout.css
+++ b/src/css/layout.css
@@ -158,109 +158,6 @@
     margin-left: auto; font-size: 10px; color: var(--text-3);
 }
 
-/* Chat/Channel list */
-.sidebar-chats {
-    flex: 1; overflow-y: auto; overflow-x: hidden;
-    padding: 8px 6px;
-}
-.sidebar-chats::-webkit-scrollbar { width: 4px; }
-
-/* Channels section header */
-.sidebar-section-header {
-    display: flex; align-items: center; gap: 6px;
-    padding: 8px 10px 4px; cursor: pointer;
-    user-select: none;
-}
-.sidebar-section-header .section-arrow {
-    font-size: 10px; color: var(--text-3); transition: transform var(--transition);
-}
-.sidebar-section-header.collapsed .section-arrow { transform: rotate(-90deg); }
-.sidebar-section-header .section-label {
-    font-size: 11px; font-weight: 600; color: var(--text-3);
-    text-transform: uppercase; letter-spacing: 0.5px;
-}
-.sidebar-section-header .section-count {
-    font-size: 10px; color: var(--text-3); margin-left: auto;
-}
-.sidebar.collapsed .sidebar-section-header { display: none; }
-
-.channel-item {
-    display: flex; align-items: center; gap: 8px;
-    padding: 7px 10px; border-radius: var(--radius);
-    cursor: pointer; font-size: 13px; color: var(--text-2);
-    transition: background var(--transition); position: relative;
-    overflow: hidden;
-}
-.channel-item:hover { background: var(--bg-hover); color: var(--text); }
-.channel-item.active { background: var(--bg-raised); color: var(--text); }
-.channel-item .channel-hash { color: var(--text-3); font-weight: 600; flex-shrink: 0; }
-.channel-item .channel-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
-.sidebar.collapsed .channel-item .channel-name { display: none; }
-
-.chat-group-label {
-    font-size: 11px; font-weight: 600; color: var(--text-3);
-    padding: 12px 10px 4px; text-transform: uppercase; letter-spacing: 0.5px;
-    white-space: nowrap; overflow: hidden;
-}
-.sidebar.collapsed .chat-group-label { display: none; }
-
-.chat-item {
-    display: flex; align-items: center; gap: 8px;
-    padding: 7px 10px; border-radius: var(--radius);
-    cursor: pointer; font-size: 13px; color: var(--text-2);
-    transition: background var(--transition); position: relative;
-    overflow: hidden;
-}
-.chat-item:hover { background: var(--bg-hover); color: var(--text); }
-.chat-item.active { background: var(--bg-raised); color: var(--text); }
-.chat-item-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
-.chat-item-time {
-    font-size: 10px; color: var(--text-3); flex-shrink: 0;
-    white-space: nowrap;
-}
-.chat-item-delete {
-    opacity: 0; position: absolute; right: 6px; background: var(--bg-raised);
-    border: none; color: var(--text-3); cursor: pointer; font-size: 11px;
-    padding: 2px 6px; border-radius: 4px; transition: opacity var(--transition);
-}
-.chat-item:hover .chat-item-delete { opacity: 1; }
-.chat-item:hover .chat-item-time { display: none; }
-.sidebar.collapsed .chat-item-title,
-.sidebar.collapsed .chat-item-time,
-.sidebar.collapsed .chat-item-delete { display: none; }
-.sidebar.collapsed .sidebar-chats { visibility: hidden; }
-
-.sidebar-empty {
-    color: var(--text-3); font-size: 12px; text-align: center; padding: 2rem 0.5rem;
-}
-.sidebar.collapsed .sidebar-empty { display: none; }
-
-/* User area */
-.sidebar-bottom {
-    border-top: 1px solid var(--border);
-    padding: 8px 10px; position: relative;
-}
-.sidebar-bottom-divider {
-    height: 1px; background: var(--border);
-    margin: 4px 8px;
-}
-.sidebar-notes-btn {
-    color: var(--text-2); font-size: 13px;
-}
-.sidebar-notes-btn:hover { background: var(--bg-hover); color: var(--text); }
-.sidebar.collapsed .sidebar-notes-btn .sb-label { opacity: 0; width: 0; }
-.sidebar.collapsed .sidebar-notes-btn { justify-content: center; padding: 8px 0; gap: 0; }
-.sidebar-editor-btn {
-    display: flex; align-items: center; gap: 10px;
-    padding: 4px 8px; color: var(--text-2); text-decoration: none;
-    font-size: 13px; white-space: nowrap;
-    transition: background var(--transition), color var(--transition);
-}
-.sidebar-editor-btn:hover { background: var(--bg-hover); color: var(--text); text-decoration: none; }
-.sidebar-editor-btn svg { flex-shrink: 0; }
-.sidebar.collapsed .sidebar-editor-btn .sb-label { opacity: 0; width: 0; }
-.sidebar.collapsed .sidebar-editor-btn { justify-content: center; padding: 8px 0; gap: 0; }
-.sidebar.collapsed .sidebar-bottom-divider { margin: 4px 12px; }
 
 .user-btn {
     display: flex; align-items: center; gap: 10px;
diff --git a/src/css/surfaces.css b/src/css/surfaces.css
index eb3ca76..e07062b 100644
--- a/src/css/surfaces.css
+++ b/src/css/surfaces.css
@@ -1,5 +1,5 @@
 /* ── surfaces.css ─────────────────────────────
-   Admin, settings, editor, projects, stat cards, data tables
+   Admin, settings, editor, stat cards, data tables
    ──────────────────────────────────────────── */
 
 /* ── Admin Storage Panel ────────────────────── */
@@ -19,193 +19,6 @@
 .admin-storage-value { font-size: 14px; font-weight: 500; }
 
 
-/* =========================================
-   PROJECTS (v0.19.0)
-   ========================================= */
-
-.project-group {
-    margin-bottom: 2px;
-    border-radius: var(--radius);
-    transition: background 0.15s;
-}
-.project-group.drag-over {
-    background: color-mix(in srgb, var(--accent) 12%, transparent);
-    outline: 1px dashed var(--accent);
-    outline-offset: -1px;
-    border-radius: var(--radius);
-}
-
-.project-header {
-    display: flex; align-items: center; gap: 6px;
-    padding: 6px 10px; cursor: pointer; user-select: none;
-    border-radius: var(--radius);
-    transition: background var(--transition);
-}
-.project-header:hover { background: var(--bg-hover); }
-
-.project-arrow {
-    font-size: 10px; color: var(--text-3); width: 12px; text-align: center; flex-shrink: 0;
-}
-.project-dot {
-    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
-    background: var(--text-3); display: inline-block;
-}
-.project-name {
-    font-size: 12px; font-weight: 600; color: var(--text-2);
-    flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
-}
-.project-count {
-    font-size: 10px; color: var(--text-3); flex-shrink: 0; margin-left: auto;
-}
-.project-menu-btn {
-    opacity: 0; background: none; border: none; color: var(--text-3);
-    cursor: pointer; font-size: 14px; padding: 0 4px; border-radius: 4px;
-    transition: opacity var(--transition), background var(--transition);
-    line-height: 1; flex-shrink: 0;
-}
-.project-header:hover .project-menu-btn { opacity: 1; }
-.project-header:hover .project-count { display: none; }
-.project-menu-btn:hover { background: var(--bg-raised); color: var(--text); }
-
-.project-empty {
-    font-size: 11px; color: var(--text-3); padding: 4px 10px 8px 28px;
-    font-style: italic;
-}
-
-/* Active project indicator (v0.19.1) */
-.project-group.active { border-left: 2px solid var(--accent); }
-.project-group.active .project-header { background: color-mix(in srgb, var(--accent) 6%, transparent); }
-.project-pin { font-size: 10px; margin-left: 2px; opacity: 0.7; }
-
-.sidebar.collapsed .project-group { display: none; }
-.sidebar.collapsed .recent-section .chat-group-label { display: none; }
-
-/* Recent section drop target */
-.recent-section { min-height: 40px; }
-.recent-section.drag-over {
-    background: color-mix(in srgb, var(--accent) 8%, transparent);
-    border-radius: var(--radius);
-}
-
-/* Dragging state */
-.chat-item.dragging { opacity: 0.4; }
-.chat-item[draggable="true"] { cursor: grab; }
-.chat-item[draggable="true"]:active { cursor: grabbing; }
-
-/* Context menu */
-.project-ctx-menu {
-    position: fixed; z-index: 9999;
-    background: var(--bg-surface); border: 1px solid var(--border);
-    border-radius: var(--radius); box-shadow: var(--shadow);
-    padding: 4px; min-width: 160px; max-width: 220px;
-}
-.ctx-item {
-    display: flex; align-items: center; gap: 8px;
-    width: 100%; padding: 7px 10px; border: none; background: none;
-    color: var(--text-2); font-size: 13px; cursor: pointer;
-    border-radius: calc(var(--radius) - 2px); text-align: left;
-    white-space: nowrap; overflow: hidden;
-}
-.ctx-item:hover { background: var(--bg-hover); color: var(--text); }
-.ctx-item.ctx-danger:hover { background: var(--danger-bg, #fef2f2); color: var(--danger, #ef4444); }
-.ctx-icon { width: 16px; text-align: center; flex-shrink: 0; font-size: 12px; }
-.ctx-divider { height: 1px; background: var(--border); margin: 3px 0; }
-.ctx-hint { font-size: 11px; color: var(--text-3); padding: 6px 10px; }
-
-/* Time labels inside project-grouped sidebar */
-.chat-time-label { padding-left: 12px; font-size: 10px; }
-
-/* ── Project Detail Panel (v0.19.1) ───────── */
-.project-panel { padding: 16px; display: flex; flex-direction: column; gap: 16px; }
-.project-panel-section { display: flex; flex-direction: column; gap: 6px; }
-.project-panel-section-header { display: flex; justify-content: space-between; align-items: center; }
-.project-panel-label { font-size: 12px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.5px; }
-.project-panel-textarea {
-    width: 100%; resize: vertical; min-height: 80px; padding: 8px;
-    font-family: var(--mono); font-size: 13px;
-    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
-    color: var(--text);
-}
-.project-panel-textarea:focus { outline: none; border-color: var(--accent); }
-.project-panel-status { font-size: 11px; margin-left: 8px; }
-.project-panel-status.success { color: var(--success, #22c55e); }
-.project-panel-status.error { color: var(--danger, #ef4444); }
-.project-panel-list { display: flex; flex-direction: column; gap: 2px; }
-.project-panel-item {
-    display: flex; align-items: center; justify-content: space-between;
-    padding: 6px 8px; border-radius: var(--radius);
-    background: var(--bg); border: 1px solid var(--border);
-    font-size: 13px;
-}
-.project-panel-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
-.project-panel-item-remove {
-    background: none; border: none; cursor: pointer; color: var(--text-3);
-    font-size: 14px; padding: 2px 4px; border-radius: 4px; flex-shrink: 0;
-}
-.project-panel-item-remove:hover { color: var(--danger, #ef4444); background: var(--danger-bg, #fef2f2); }
-.project-panel-empty { font-size: 12px; color: var(--text-3); font-style: italic; padding: 4px 0; }
-.project-panel-select {
-    width: 100%; padding: 6px 8px; font-size: 13px;
-    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
-    color: var(--text);
-}
-.project-panel-select:focus { outline: none; border-color: var(--accent); }
-.project-panel-hint { font-size: 11px; color: var(--text-3); margin-top: 2px; }
-.project-panel-ws-row { display: flex; gap: 6px; align-items: center; }
-.project-panel-ws-row select { flex: 1; }
-.project-panel-checkbox {
-    display: flex; align-items: center; gap: 8px; font-size: 13px;
-    cursor: pointer; color: var(--text-2);
-}
-.project-panel-checkbox input { cursor: pointer; }
-.project-panel-footer { padding-top: 8px; border-top: 1px solid var(--border); }
-.project-show-archived {
-    background: none; border: none; cursor: pointer;
-    font-size: 11px; color: var(--text-3); padding: 6px 10px;
-    width: 100%; text-align: left;
-}
-.project-show-archived:hover { color: var(--text-2); }
-.project-group.archived { opacity: 0.5; }
-.project-group.archived .project-header { font-style: italic; }
-
-/* ── Router Workspace Picker (v0.21.6) ──── */
-
-.router-picker-overlay {
-    position: fixed; inset: 0; z-index: 9999;
-    background: rgba(0,0,0,0.5); backdrop-filter: blur(2px);
-    display: flex; align-items: center; justify-content: center;
-}
-.router-picker {
-    background: var(--bg-primary, #1a1a2e); color: var(--text, #e0e0e0);
-    border: 1px solid var(--border, #333); border-radius: 12px;
-    padding: 24px; min-width: 320px; max-width: 440px;
-    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
-}
-.router-picker h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
-.router-picker p { margin: 0 0 16px; font-size: 13px; color: var(--text-2, #999); }
-.router-picker-list {
-    display: flex; flex-direction: column; gap: 4px;
-    max-height: 280px; overflow-y: auto; margin-bottom: 16px;
-}
-.router-picker-empty {
-    padding: 24px; text-align: center; color: var(--text-3, #666); font-size: 13px;
-}
-.router-picker-item {
-    display: flex; align-items: center; gap: 10px;
-    padding: 10px 12px; border: 1px solid var(--border, #333);
-    border-radius: 8px; background: none; color: var(--text, #e0e0e0);
-    cursor: pointer; font-size: 14px; text-align: left;
-    transition: background 0.15s, border-color 0.15s;
-}
-.router-picker-item:hover {
-    background: var(--hover, rgba(255,255,255,0.05));
-    border-color: var(--accent, #6366f1);
-}
-.router-picker-icon { font-size: 18px; flex-shrink: 0; }
-.router-picker-actions {
-    display: flex; gap: 8px; justify-content: flex-end;
-}
-
 /* ── Settings Surface ────────────────────── */
 
 .surface-settings {
@@ -404,19 +217,6 @@
     font-size: 11px; color: var(--text-3);
     font-family: var(--mono);
 }
-.editor-chat {
-    display: flex; flex-direction: column;
-    min-width: 200px; background: var(--bg-surface);
-}
-.editor-chat-header {
-    padding: 8px 12px; border-bottom: 1px solid var(--border);
-    display: flex; align-items: center; gap: 8px;
-}
-.editor-chat-messages { flex: 1; overflow-y: auto; padding: 12px; }
-.editor-chat-input {
-    padding: 8px 12px; border-top: 1px solid var(--border);
-}
-
 /* ── Stat Cards Grid ──────────────────────── */
 .stat-cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
 .stat-card {
@@ -720,45 +520,3 @@
     flex-shrink: 0;
 }
 
-/* ── Chats section folder items ── */
-
-.sb-folder-group { margin-bottom: 1px; }
-.sb-folder-group.drag-over .sb-folder-header { background: var(--accent-dim); }
-.sb-folder-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
-.sb-folder-menu {
-    visibility: hidden; background: none; border: none; cursor: pointer;
-    color: var(--text-3); font-size: 14px; padding: 0 2px; line-height: 1;
-    flex-shrink: 0; border-radius: 3px;
-}
-.sb-folder-menu:hover { color: var(--text); background: var(--bg-hover); }
-.sb-folder-header:hover .sb-folder-menu { visibility: visible; }
-.sb-folder-empty { padding: 4px 14px 6px 28px; font-size: 11px; color: var(--text-3); font-style: italic; }
-
-.sb-folder-header {
-    display: flex;
-    align-items: center;
-    gap: 6px;
-    padding: 5px 10px;
-    border-radius: 6px;
-    margin: 0 4px;
-    cursor: pointer;
-    font-size: 12px;
-    font-weight: 500;
-    color: var(--text-3);
-    transition: background 0.1s;
-}
-.sb-folder-header:hover { background: var(--bg-hover); color: var(--text-2); }
-
-.sb-folder-arrow { font-size: 9px; flex-shrink: 0; width: 12px; text-align: center; }
-
-/* v0.23.2: Drop zone for chats section */
-#sbBodyChats.drag-over { outline: 2px dashed var(--accent); outline-offset: -2px; border-radius: 4px; }
-.sb-unfiled-zone { min-height: 30px; border-radius: 4px; margin-top: 2px; }
-.sb-unfiled-zone.drag-over { outline: 2px dashed var(--accent); outline-offset: -2px; }
-.sb-unfiled-hint { padding: 6px 14px; font-size: 11px; color: var(--text-3); font-style: italic; }
-
-/* Indented chat items inside folders */
-.chat-item.indented { padding-left: 28px; }
-
-/* ── Notes Surface ─────────────────────── */
-/* v0.37.11: Moved to sw-notes-surface.css (Preact surface) */