diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 34a6e0c..123a07a 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -71,7 +71,8 @@
     #sentinel-grid.layout-row .part-mount { color:var(--text-dim);font-size:.65rem }
     #sentinel-grid.layout-row .part-bar { height:3px;border-radius:1px;background:var(--md-sys-color-surface-container-lowest);margin:2px 0 }
     #sentinel-grid.layout-row .part-bar-fill { height:100%;border-radius:1px;background:var(--primary);transition:width .6s }
-    #sentinel-grid.layout-row .part-pct { font-size:.6rem;color:var(--text-dim);text-align:right }
+    #sentinel-grid.layout-row .part-detail { display:flex;justify-content:space-between;font-size:.6rem;color:var(--text-dim) }
+    #sentinel-grid.layout-row .part-size { text-align:left }
     #sentinel-grid.layout-row .mtr-data .rlabel { font-size:.7rem;color:var(--text-dim);text-transform:uppercase;margin-right:6px }
     #sentinel-grid.layout-row .mtr-data .rval { font-weight:600 }
     #sentinel-grid.layout-row .mtr { display:flex;align-items:center;height:48px;padding:0 8px;margin-bottom:6px;position:relative }
@@ -300,7 +301,7 @@
             var parts = sysData.partitions || [];
             if (!diskList.querySelector('.part-row') || diskList.children.length !== parts.length) {
               diskList.innerHTML = parts.map(function(p){
-                return '<div class="part-row"><div class="part-info"><span class="part-name">'+esc(p.device||'?')+'</span> <span class="part-mount">'+esc(p.mount||'')+'</span></div><div class="part-bar"><div class="part-bar-fill" style="width:'+(p.percent||0)+'%"></div></div><span class="part-pct">'+(p.percent||0).toFixed(0)+'%</span></div>';
+                return '<div class="part-row"><div class="part-info"><span class="part-name">'+esc(p.device||'?')+'</span> <span class="part-mount">'+esc(p.mount||'')+'</span></div><div class="part-bar"><div class="part-bar-fill" style="width:'+(p.percent||0)+'%"></div></div><div class="part-detail"><span class="part-size">'+fmtSizeGB(p)+'</span><span class="part-pct">'+(p.percent||0).toFixed(0)+'%</span></div></div>';
               }).join('');
             } else {
               var rows = diskList.querySelectorAll('.part-row');
@@ -363,6 +364,8 @@
     }
 
 function bar(v) { return v < 60 ? 'bar-green' : (v < 85 ? 'bar-yellow' : 'bar-red'); }
+    function fmtSizeGB(p) { var u=p.used_gb||0, t=p.total_gb||0; return fmtSize(u*1073741824)+' / '+fmtSize(t*1073741824); }
+    function fmtSize(bytes) { if(bytes===undefined||bytes===null)return'—'; bytes=Math.abs(bytes); if(bytes>=1e12)return(bytes/1e12).toFixed(1)+' TB'; if(bytes>=1e9)return(bytes/1e9).toFixed(1)+' GB'; if(bytes>=1e6)return(bytes/1e6).toFixed(1)+' MB'; if(bytes>=1e3)return(bytes/1e3).toFixed(1)+' KB'; return bytes.toFixed(0)+' B'; }
     function fmtSpeed(bps) { return bps<1024?bps.toFixed(0)+'B/s':(bps<1048576?(bps/1024).toFixed(0)+'K/s':(bps/1048576).toFixed(1)+'M/s'); }
     function esc(s) { return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;'); }