diff --git a/public/analytics.js b/public/analytics.js
index cdec50b7..c420dc6e 100644
--- a/public/analytics.js
+++ b/public/analytics.js
@@ -790,7 +790,7 @@
             const prefixDisplay = rawHops.join(' → ');
             return `<tr data-hops="${esc(rawHops.join(','))}" ${hasSelfLoop ? 'class="subpath-selfloop"' : ''} style="cursor:pointer">
               <td>${i + 1}</td>
-              <td style="white-space:nowrap">${routeDisplay}${hasSelfLoop ? ' <span title="Contains self-loop — likely 1-byte prefix collision" style="cursor:help">🔄</span>' : ''}<br><span class="hop-prefix mono">${esc(prefixDisplay)}</span></td>
+              <td>${routeDisplay}${hasSelfLoop ? ' <span title="Contains self-loop — likely 1-byte prefix collision" style="cursor:help">🔄</span>' : ''}<br><span class="hop-prefix mono">${esc(prefixDisplay)}</span></td>
               <td>${s.count.toLocaleString()}</td>
               <td>${s.pct}%</td>
               <td><div style="background:${hasSelfLoop ? '#f59e0b' : 'var(--accent,#3b82f6)'};height:14px;border-radius:3px;width:${barW}%;opacity:0.7"></div></td>
@@ -819,7 +819,7 @@
             <div id="sp-quads">${renderTable(d4, 'Quads (4-hop chains)')}</div>
             <div id="sp-long">${renderTable(d5, 'Long chains (5+ hops)')}</div>
           </div>
-          <div class="subpath-detail" id="subpathDetail">
+          <div class="subpath-detail collapsed" id="subpathDetail">
             <div class="text-muted" style="padding:40px;text-align:center">Select a route to view details</div>
           </div>
         </div>`;
@@ -858,6 +858,7 @@
 
   async function loadSubpathDetail(hopsStr) {
     const panel = document.getElementById('subpathDetail');
+    panel.classList.remove('collapsed');
     panel.innerHTML = '<div class="text-center text-muted" style="padding:40px">Loading…</div>';
     try {
       const data = await api('/analytics/subpath-detail?hops=' + encodeURIComponent(hopsStr));
diff --git a/public/style.css b/public/style.css
index a5575519..7fa5565b 100644
--- a/public/style.css
+++ b/public/style.css
@@ -1155,10 +1155,11 @@ button.ch-item.ch-item-encrypted .ch-badge { filter: grayscale(0.6); }
 .hop-prefix { color: #9ca3af; font-size: 0.8em; }
 
 /* Subpath split layout */
-.subpath-layout { display: flex; gap: 0; height: calc(100vh - 160px); }
-.subpath-list { flex: 1; overflow-y: auto; padding: 16px; }
-.subpath-detail { width: 380px; min-width: 320px; border-left: 1px solid var(--border, #e5e7eb); overflow-y: auto; padding: 16px; }
-.subpath-detail-inner h4 { margin: 0 0 4px; }
+.subpath-layout { display: flex; gap: 0; height: calc(100vh - 160px); position: relative; }
+.subpath-list { flex: 1; overflow-y: auto; padding: 16px; min-width: 0; }
+.subpath-detail { width: 420px; min-width: 360px; max-width: 50vw; border-left: 1px solid var(--border, #e5e7eb); overflow-y: auto; padding: 16px; transition: width 0.2s; }
+.subpath-detail.collapsed { width: 0; min-width: 0; padding: 0; overflow: hidden; border: none; }
+.subpath-detail-inner h4 { margin: 0 0 4px; word-break: break-word; }
 .subpath-meta { display: flex; flex-direction: column; gap: 2px; margin-bottom: 12px; color: #9ca3af; font-size: 0.9em; }
 .subpath-section { margin: 16px 0; }
 .subpath-section h5 { margin: 0 0 6px; font-size: 0.9em; }
@@ -1184,3 +1185,8 @@ tr[data-hops]:hover { background: rgba(59,130,246,0.1); }
 .subpath-jump-nav span { color: #9ca3af; }
 .subpath-jump-nav a { padding: 4px 12px; border-radius: 4px; background: var(--accent, #3b82f6); color: #fff; text-decoration: none; font-size: 0.85em; }
 .subpath-jump-nav a:hover { opacity: 0.8; }
+
+/* Route patterns table breathing room */
+.subpath-list .analytics-table td:nth-child(2) { white-space: normal; word-break: break-word; max-width: 50vw; }
+.subpath-list .analytics-table { table-layout: auto; }
+.subpath-list h4 { margin-top: 24px; }