diff --git a/index.html b/index.html
index ac47307..1243428 100644
--- a/index.html
+++ b/index.html
@@ -70,7 +70,7 @@
 }
 html{height:100%}
 html,body{background:var(--bg);color:var(--text);font-family:'Geist',sans-serif;overflow:hidden}
-body{min-height:100%;min-height:-webkit-fill-available}
+body{min-height:100%;min-height:-webkit-fill-available;height:100%}
 
 .aurora{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0}
 .aurora-blob{position:absolute;border-radius:50%;will-change:transform}
@@ -82,7 +82,7 @@ body{min-height:100%;min-height:-webkit-fill-available}
 @keyframes ab3{from{transform:translate(0,0) scale(1)}to{transform:translate(-50px,60px) scale(0.93)}}
 [data-theme="light"] .aurora-blob{opacity:0.35}
 
-#app{position:relative;z-index:1;box-sizing:border-box;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left)}
+#app{position:relative;z-index:1;box-sizing:border-box;height:100vh;height:100dvh;max-height:100dvh;display:flex;flex-direction:column;min-height:0;padding:var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left)}
 
 /* Header */
 header{display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:52px;border-bottom:1px solid var(--border);background:rgba(12,18,33,0.75);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);flex-shrink:0}
@@ -95,10 +95,10 @@ header{display:flex;align-items:center;justify-content:space-between;padding:0 1
 .icon-btn:hover{color:var(--accent);border-color:var(--accent-border)}
 
 /* Body */
-#body{flex:1;display:flex;overflow:hidden}
+#body{flex:1;min-height:0;display:flex;overflow:hidden}
 
 /* Sidebar */
-#sidebar{width:240px;flex-shrink:0;border-right:1px solid var(--border);overflow-y:auto;background:rgba(12,18,33,0.5);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;flex-direction:column}
+#sidebar{width:240px;flex-shrink:0;min-height:0;border-right:1px solid var(--border);overflow-y:auto;-webkit-overflow-scrolling:touch;background:rgba(12,18,33,0.5);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;flex-direction:column}
 [data-theme="light"] #sidebar{background:rgba(239,246,255,0.6)}
 .sidebar-search{padding:10px 12px;border-bottom:1px solid var(--border)}
 .search-wrap{position:relative}
@@ -123,7 +123,7 @@ header{display:flex;align-items:center;justify-content:space-between;padding:0 1
 .sidebar-item.done .item-check{opacity:1}
 
 /* Main */
-#main{flex:1;overflow-y:auto;padding:24px 28px}
+#main{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:24px 28px;touch-action:pan-y}
 
 /* Home */
 .home-hero{text-align:center;padding:36px 0 28px;max-width:500px;margin:0 auto}
diff --git a/sw.js b/sw.js
index dba5dca..81a705c 100644
--- a/sw.js
+++ b/sw.js
@@ -1,5 +1,5 @@
 // posimai-boki SW — stale-while-revalidate + skipWaiting
-const CACHE = 'posimai-boki-v7';
+const CACHE = 'posimai-boki-v8';
 const STATIC = ['/', '/index.html', '/manifest.json', '/logo.png'];
 
 self.addEventListener('install', e => {