separation of css again

static/css/base.css

@@ -0,0 +1,75 @@
+:root {
+    --primary-color: #16767b;
+    --secondary-color: #741b5f;
+    --primary-light: #1a8a90;
+    --secondary-light: #8a2170;
+}
+
+body {
+    background-color: #f8f9fa;
+}
+
+.navbar {
+    background-color: var(--primary-color) !important;
+    position: sticky;
+    top: 0;
+    z-index: 1030;
+}
+
+.sidebar {
+    background-color: white;
+    min-height: calc(100vh - 56px);
+    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
+    position: sticky;
+    top: 56px; /* Height of the navbar */
+    height: calc(100vh - 56px);
+    overflow-y: auto;
+}
+
+.sidebar .nav-link {
+    color: #333;
+    padding: 0.8rem 1rem;
+    border-radius: 0.25rem;
+    margin: 0.2rem 0;
+}
+
+.sidebar .nav-link:hover {
+    background-color: #f8f9fa;
+}
+
+.sidebar .nav-link.active {
+    background-color: var(--primary-color);
+    color: white;
+}
+
+.sidebar .nav-link i {
+    margin-right: 0.5rem;
+}
+
+.main-content {
+    padding: 2rem;
+}
+
+.card {
+    border: none;
+    border-radius: 10px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+.btn-primary {
+    background-color: var(--primary-color);
+    border-color: var(--primary-color);
+}
+
+.btn-primary:hover {
+    background-color: var(--primary-light);
+    border-color: var(--primary-light);
+}
+
+.document-card {
+    transition: transform 0.2s;
+}
+
+.document-card:hover {
+    transform: translateY(-5px);
+}