Working and layout's drawers resize

src/myfasthtml/assets/myfasthtml.css

@@ -171,6 +171,116 @@
     grid-template-columns: 1fr;
 }
 
+/**
+ * Layout Drawer Resizer Styles
+ *
+ * Styles for the resizable drawer borders with visual feedback
+ */
+/**
+ * Layout Drawer Resizer Styles
+ *
+ * Styles for the resizable drawer borders with visual feedback
+ */
+
+/* Ensure drawer has relative positioning and no overflow */
+.mf-layout-drawer {
+    position: relative;
+    overflow: hidden;
+}
+
+/* Content wrapper handles scrolling */
+.mf-layout-drawer-content {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    overflow-y: auto;
+    overflow-x: hidden;
+}
+
+/* Base resizer styles */
+.mf-layout-resizer {
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    width: 4px;
+    background-color: transparent;
+    transition: background-color 0.2s ease;
+    z-index: 100;
+}
+
+/* Resizer on the right side (for left drawer) */
+.mf-layout-resizer-right {
+    right: 0;
+    cursor: col-resize;
+}
+
+/* Resizer on the left side (for right drawer) */
+.mf-layout-resizer-left {
+    left: 0;
+    cursor: col-resize;
+}
+
+/* Hover state */
+.mf-layout-resizer:hover {
+    background-color: rgba(59, 130, 246, 0.3); /* Blue-500 with opacity */
+}
+
+/* Active state during resize */
+.mf-layout-drawer-resizing .mf-layout-resizer {
+    background-color: rgba(59, 130, 246, 0.5);
+}
+
+/* Disable transitions during resize for smooth dragging */
+.mf-layout-drawer-resizing {
+    transition: none !important;
+}
+
+/* Prevent text selection during resize */
+.mf-layout-resizing {
+    user-select: none;
+    -webkit-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+}
+
+/* Cursor override for entire body during resize */
+.mf-layout-resizing * {
+    cursor: col-resize !important;
+}
+
+/* Visual indicator for resizer on hover - subtle border */
+.mf-layout-resizer::before {
+    content: '';
+    position: absolute;
+    top: 50%;
+    transform: translateY(-50%);
+    width: 2px;
+    height: 40px;
+    background-color: rgba(156, 163, 175, 0.4); /* Gray-400 with opacity */
+    border-radius: 2px;
+    opacity: 0;
+    transition: opacity 0.2s ease;
+}
+
+.mf-layout-resizer-right::before {
+    right: 1px;
+}
+
+.mf-layout-resizer-left::before {
+    left: 1px;
+}
+
+.mf-layout-resizer:hover::before,
+.mf-layout-drawer-resizing .mf-layout-resizer::before {
+    opacity: 1;
+}
+
+/* *********************************************** */
+/* *********** Tabs Manager Component ************ */
+/* *********************************************** */
+
 /* Tabs Manager Container */
 .mf-tabs-manager {
     display: flex;