Disk Space alanı eklendi.

client/src/styles/main.css

@@ -31,13 +31,14 @@ body,
 .app {
   display: grid;
   grid-template-columns: 220px 1fr;
-  height: 100%;
+  height: 100vh;
 }
 
 .content {
   display: flex;
   flex-direction: column;
-  height: 100%;
+  height: 100vh;
+  overflow-y: auto;
 }
 
 /* =======================================================
@@ -48,6 +49,9 @@ body,
   border-right: 1px solid var(--border);
   display: flex;
   flex-direction: column;
+  height: 100vh;
+  position: sticky;
+  top: 0;
 }
 
 .sidebar .logo {
@@ -59,6 +63,7 @@ body,
 
 .sidebar .menu {
   padding-top: 6px;
+  flex: 1;
 }
 
 .sidebar .menu .item {
@@ -603,3 +608,85 @@ img.thumb.loaded {
     gap: 6px;
   }
 }
+
+/* =======================================================
+   💾 DISK SPACE
+   ======================================================= */
+.sidebar .disk-space {
+  margin-top: auto;
+  padding: 16px;
+  border-top: 1px solid var(--border);
+}
+
+.sidebar .disk-space-header {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin-bottom: 12px;
+  color: #222;
+  font-weight: 600;
+  font-size: 14px;
+}
+
+.sidebar .disk-space-header .icon {
+  width: 16px;
+  text-align: center;
+  color: #333;
+}
+
+.sidebar .disk-space-title {
+  flex: 1;
+}
+
+.sidebar .disk-space-info {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.sidebar .disk-space-text {
+  font-size: 12px;
+  color: #666;
+  text-align: left;
+  display: flex;
+  align-items: center;
+}
+
+.sidebar .disk-space-values {
+  font-weight: 500;
+  color: #333;
+}
+
+.sidebar .disk-space-bar-container {
+  width: 100%;
+  height: 8px;
+  background: #e5e5e5;
+  border-radius: 99px;
+  overflow: hidden;
+}
+
+.sidebar .disk-space-bar {
+  width: 100%;
+  height: 100%;
+  position: relative;
+}
+
+.sidebar .disk-space-bar-fill {
+  height: 100%;
+  background: linear-gradient(90deg, #f5b333 0%, #e2a62f 100%);
+  border-radius: 99px;
+  transition: width 0.3s ease;
+}
+
+/* Disk space renkleri - kullanım oranına göre */
+.sidebar .disk-space-bar-fill.low {
+  background: linear-gradient(90deg, #4caf50 0%, #388e3c 100%);
+}
+
+.sidebar .disk-space-bar-fill.medium {
+  background: linear-gradient(90deg, #ff9800 0%, #f57c00 100%);
+}
+
+.sidebar .disk-space-bar-fill.high {
+  background: linear-gradient(90deg, #f44336 0%, #d32f2f 100%);
+}