diff --git a/public/app.js b/public/app.js
index bc37dd3..7e8bdbc 100644
--- a/public/app.js
+++ b/public/app.js
@@ -1648,6 +1648,86 @@ els.btnMenu.onclick = () => els.sidebar.classList.contains('open') ? closeSideba
 els.sidebarBackdrop.onclick = closeSidebar;
 document.querySelectorAll('.channel.text').forEach((el) => el.addEventListener('click', closeSidebar));
 
+// ---------------------------------------------------------------------------
+// desktop panel resizing + sidebar collapse
+// ---------------------------------------------------------------------------
+const LS_SIDEBAR_W = 'voicepoc.sidebarWidth';
+const LS_SIDEBAR_COLLAPSED = 'voicepoc.sidebarCollapsed';
+const LS_SPATIAL_H = 'voicepoc.spatialHeight';
+const SIDEBAR_MIN = 180, SIDEBAR_MAX = 420;
+const SPATIAL_MIN = 140, SPATIAL_MAX_RATIO = 0.75;
+const isDesktop = () => window.matchMedia('(min-width: 861px)').matches;
+
+function dragResize({ handle, axis, onMove }) {
+  handle.addEventListener('mousedown', (e) => {
+    if (!isDesktop()) return;
+    e.preventDefault();
+    handle.classList.add('dragging');
+    const start = axis === 'x' ? e.clientX : e.clientY;
+    const onMouseMove = (ev) => onMove((axis === 'x' ? ev.clientX : ev.clientY) - start);
+    const onMouseUp = () => {
+      handle.classList.remove('dragging');
+      document.removeEventListener('mousemove', onMouseMove);
+      document.removeEventListener('mouseup', onMouseUp);
+    };
+    document.addEventListener('mousemove', onMouseMove);
+    document.addEventListener('mouseup', onMouseUp);
+  });
+}
+
+// sidebar width
+const sidebarResizer = $('#sidebar-resizer');
+const savedSidebarW = parseInt(localStorage.getItem(LS_SIDEBAR_W), 10);
+if (isDesktop() && savedSidebarW) els.sidebar.style.width = `${savedSidebarW}px`;
+let sidebarStartW = 0;
+dragResize({
+  handle: sidebarResizer, axis: 'x',
+  onMove: (dx) => {
+    if (!sidebarStartW) sidebarStartW = els.sidebar.getBoundingClientRect().width;
+    const w = Math.min(SIDEBAR_MAX, Math.max(SIDEBAR_MIN, sidebarStartW + dx));
+    els.sidebar.style.width = `${w}px`;
+    localStorage.setItem(LS_SIDEBAR_W, String(Math.round(w)));
+  },
+});
+sidebarResizer.addEventListener('mousedown', () => { sidebarStartW = 0; });
+
+// sidebar collapse/expand
+const btnSidebarCollapse = $('#btn-sidebar-collapse');
+const btnSidebarExpand = $('#btn-sidebar-expand');
+function setSidebarCollapsed(collapsed) {
+  document.body.classList.toggle('sidebar-collapsed', collapsed);
+  localStorage.setItem(LS_SIDEBAR_COLLAPSED, collapsed ? '1' : '0');
+}
+btnSidebarCollapse.onclick = () => setSidebarCollapsed(true);
+btnSidebarExpand.onclick = () => setSidebarCollapsed(false);
+if (isDesktop() && localStorage.getItem(LS_SIDEBAR_COLLAPSED) === '1') setSidebarCollapsed(true);
+
+// spatial pane height
+const spatialResizer = $('#spatial-resizer');
+const spatialWrap = $('#spatial-wrap');
+const savedSpatialH = parseInt(localStorage.getItem(LS_SPATIAL_H), 10);
+if (isDesktop() && savedSpatialH) spatialWrap.style.height = `${savedSpatialH}px`;
+let spatialStartH = 0;
+dragResize({
+  handle: spatialResizer, axis: 'y',
+  onMove: (dy) => {
+    if (!spatialStartH) spatialStartH = spatialWrap.getBoundingClientRect().height;
+    const max = window.innerHeight * SPATIAL_MAX_RATIO;
+    const h = Math.min(max, Math.max(SPATIAL_MIN, spatialStartH - dy));
+    spatialWrap.style.height = `${h}px`;
+    localStorage.setItem(LS_SPATIAL_H, String(Math.round(h)));
+    if (typeof cy !== 'undefined') cy.resize();
+  },
+});
+spatialResizer.addEventListener('mousedown', () => { spatialStartH = 0; });
+
+// dropping below the desktop breakpoint: let mobile's own CSS take over sizing
+window.addEventListener('resize', () => {
+  if (isDesktop()) return;
+  els.sidebar.style.width = '';
+  spatialWrap.style.height = '';
+});
+
 // Initial roster fetch and lightweight periodic sync (especially for unjoined clients)
 updateMicButton();
 updateDeafenButton();
diff --git a/public/index.html b/public/index.html
index 3c65256..f7d4096 100644
--- a/public/index.html
+++ b/public/index.html
@@ -44,7 +44,8 @@
   <aside id="sidebar">
     <header id="server-name">
       <img id="server-logo" src="/icons/icon.svg" alt="" width="22" height="22" />
-      gibbz voice <span class="poc-tag">POC</span>
+      <span class="server-name-text">gibbz voice <span class="poc-tag">POC</span></span>
+      <button id="btn-sidebar-collapse" class="icon-btn" title="Hide sidebar"><span class="material-symbols-outlined">left_panel_close</span></button>
     </header>
     <div class="channel-group-label">Text channels</div>
     <div class="channel text" data-mx-room="gibbz-general"><span class="material-symbols-outlined channel-icon">tag</span>
@@ -55,6 +56,12 @@
     <div class="channel voice" data-room="lounge"><span class="material-symbols-outlined channel-icon">volume_up</span> Lounge <span class="count" data-room-count="lounge"></span></div>
 
     <footer id="user-panel">
+      <div class="user-buttons">
+        <button id="btn-mic" class="ctl" title="Toggle mic (M)"><span class="material-symbols-outlined">mic</span></button>
+        <button id="btn-deafen" class="ctl" title="Toggle deafen (D)"><span class="material-symbols-outlined">headphones</span></button>
+        <button id="btn-share" class="ctl" title="Share your screen (S)"><span class="material-symbols-outlined">present_to_all</span></button>
+        <button id="btn-settings" class="ctl" title="Voice &amp; ICE settings"><span class="material-symbols-outlined">settings</span></button>
+      </div>
       <div class="me">
         <div class="avatar" id="me-avatar">?</div>
         <div class="me-meta">
@@ -64,19 +71,15 @@
             <span id="voice-status">Disconnected</span>
           </div>
         </div>
-      </div>
-      <div class="user-buttons">
-        <button id="btn-mic" class="ctl" title="Toggle mic (M)"><span class="material-symbols-outlined">mic</span></button>
-        <button id="btn-deafen" class="ctl" title="Toggle deafen (D)"><span class="material-symbols-outlined">headphones</span></button>
-        <button id="btn-share" class="ctl" title="Share your screen (S)"><span class="material-symbols-outlined">present_to_all</span></button>
-        <button id="btn-settings" class="ctl" title="Voice &amp; ICE settings"><span class="material-symbols-outlined">settings</span></button>
-        <button id="btn-help" class="ctl" title="How to use gibbz voice"><span class="material-symbols-outlined">help</span></button>
+        <button id="btn-help" class="ctl help-ctl" title="How to use gibbz voice"><span class="material-symbols-outlined">help</span></button>
       </div>
     </footer>
+    <div id="sidebar-resizer" title="Drag to resize"></div>
   </aside>
 
   <!-- main content area -->
   <main id="main">
+    <button id="btn-sidebar-expand" title="Show sidebar"><span class="material-symbols-outlined">left_panel_open</span></button>
     <!-- voice stage and spatial audio view -->
     <div id="voice-view">
       <div id="stage">
@@ -88,6 +91,7 @@
         </div>
       </div>
 
+      <div id="spatial-resizer" title="Drag to resize"></div>
       <div id="spatial-wrap">
         <div class="spatial-label">
           <span>SPATIAL AUDIO</span>
diff --git a/public/style.css b/public/style.css
index 755d08b..a675cc6 100644
--- a/public/style.css
+++ b/public/style.css
@@ -65,11 +65,38 @@ body {
   position: relative; z-index: 10;
 }
 #server-name {
-  padding: 14px 16px; font-weight: 700; font-size: 15px;
+  padding: 14px 10px 14px 16px; font-weight: 700; font-size: 15px;
   border-bottom: 1px solid rgba(0,0,0,.25); box-shadow: 0 1px 0 rgba(0,0,0,.06);
   display: flex; align-items: center; gap: 8px;
 }
 #server-logo, #mobile-logo { border-radius: 6px; flex-shrink: 0; }
+.server-name-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.icon-btn {
+  background: transparent; border: none; color: var(--text-2); cursor: pointer;
+  width: 26px; height: 26px; border-radius: 6px; display: grid; place-items: center;
+  flex-shrink: 0; padding: 0; transition: background .12s, color .12s;
+}
+.icon-btn .material-symbols-outlined { font-size: 18px; }
+.icon-btn:hover { background: var(--bg-3); color: var(--text-0); }
+
+/* sidebar drag-to-resize handle */
+#sidebar-resizer {
+  position: absolute; top: 0; right: -3px; width: 6px; height: 100%;
+  cursor: col-resize; z-index: 15; background: transparent;
+}
+#sidebar-resizer:hover, #sidebar-resizer.dragging { background: var(--brand); opacity: .5; }
+body.sidebar-collapsed #sidebar { display: none; }
+
+/* floating button to bring the sidebar back once collapsed */
+#btn-sidebar-expand {
+  display: none; position: absolute; top: 12px; left: 12px; z-index: 20;
+  background: var(--bg-1); border: 1px solid var(--bg-4); color: var(--text-1);
+  width: 32px; height: 32px; border-radius: 6px; cursor: pointer; place-items: center;
+  box-shadow: 0 2px 6px rgba(0,0,0,.35);
+}
+#btn-sidebar-expand .material-symbols-outlined { font-size: 18px; }
+#btn-sidebar-expand:hover { background: var(--bg-3); color: var(--text-0); }
+body.sidebar-collapsed #btn-sidebar-expand { display: grid; }
 .poc-tag {
   font-size: 10px; background: var(--yellow); color: #000; border-radius: 4px;
   padding: 1px 5px; vertical-align: 2px; margin-left: 6px; font-weight: 800;
@@ -92,10 +119,27 @@ body {
 
 #user-panel {
   margin-top: auto; background: var(--bg-0); padding: 8px;
-  display: flex; align-items: center; justify-content: space-between; gap: 6px;
-  min-height: 52px;
+  display: flex; flex-direction: column; gap: 6px;
 }
-.me { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; }
+
+/* row 1: available tools */
+.user-buttons {
+  display: flex; align-items: center; justify-content: center; gap: 4px;
+  padding-bottom: 6px; border-bottom: 1px solid rgba(255,255,255,.06);
+}
+.ctl {
+  background: transparent; border: none; color: var(--text-1); font-size: 15px;
+  width: 34px; height: 30px; border-radius: 6px; cursor: pointer; position: relative;
+  display: grid; place-items: center; padding: 0; transition: background .12s, color .12s;
+}
+.ctl .material-symbols-outlined { font-size: 19px; }
+.ctl:hover { background: var(--bg-3); color: var(--text-0); }
+.ctl.off { color: var(--red); }
+.ctl:disabled { opacity: .35; cursor: not-allowed; }
+.ctl.active { color: var(--green); }
+
+/* row 2: user info + help */
+.me { display: flex; align-items: center; gap: 8px; min-width: 0; }
 .me-meta { display: flex; flex-direction: column; min-width: 0; flex: 1; overflow: hidden; }
 #nick {
   background: transparent; border: none; color: var(--text-0); font: inherit;
@@ -116,17 +160,7 @@ body {
 #voice-status {
   white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
 }
-.user-buttons { display: flex; gap: 2px; flex-shrink: 0; }
-.ctl {
-  background: transparent; border: none; color: var(--text-1); font-size: 15px;
-  width: 28px; height: 28px; border-radius: 6px; cursor: pointer; position: relative;
-  display: grid; place-items: center; padding: 0;
-}
-.ctl .material-symbols-outlined { font-size: 20px; }
-.ctl:hover { background: var(--bg-3); color: var(--text-0); }
-.ctl.off { color: var(--red); }
-.ctl:disabled { opacity: .35; cursor: not-allowed; }
-.ctl.active { color: var(--green); }
+.help-ctl { flex-shrink: 0; color: var(--text-2); }
 
 /* main */
 #main { flex: 1; display: flex; flex-direction: column; min-width: 0; position: relative; height: 100%; }
@@ -281,6 +315,13 @@ body {
 }
 
 /* spatial plane */
+#spatial-resizer {
+  height: 6px; flex-shrink: 0; cursor: row-resize; background: transparent; position: relative;
+}
+#spatial-resizer::after {
+  content: ''; position: absolute; left: 0; right: 0; top: 2px; height: 2px;
+}
+#spatial-resizer:hover, #spatial-resizer.dragging { background: var(--brand); opacity: .5; }
 #spatial-wrap {
   height: 34vh; min-height: 220px; background: var(--bg-1);
   border-top: 1px solid rgba(0,0,0,.35); display: flex; flex-direction: column;
@@ -547,6 +588,10 @@ code { font-family: ui-monospace, monospace; font-size: 12px; }
     transform: translateX(-100%); transition: transform .2s ease; box-shadow: 8px 0 24px rgba(0,0,0,.5);
   }
   #sidebar.open { transform: translateX(0); }
+  /* desktop sidebar collapse/resize is irrelevant here — the drawer always exists,
+     it's just toggled on/off screen via .open */
+  body.sidebar-collapsed #sidebar { display: flex; }
+  #sidebar-resizer, #spatial-resizer, #btn-sidebar-expand, #btn-sidebar-collapse { display: none !important; }
 
   #main { width: 100%; padding-bottom: 64px; } /* room for the fixed bottom controls */
   #stage { padding: 10px; gap: 10px; }