ui: login landing and header version

backend/static/styles.css

@@ -97,6 +97,48 @@ body.dark-mode .theme-toggle .sun-icon {
     padding: 20px;
 }
 
+.hidden {
+    display: none !important;
+}
+
+.login-landing {
+    min-height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 24px;
+    background: radial-gradient(circle at 20% 10%, rgba(102, 126, 234, 0.15), transparent 45%),
+        radial-gradient(circle at 80% 20%, rgba(72, 187, 120, 0.12), transparent 40%),
+        var(--bg-main);
+}
+
+.login-card {
+    width: min(520px, 100%);
+    background: var(--bg-panel);
+    border: 1px solid var(--border-main);
+    border-radius: 16px;
+    padding: 32px;
+    box-shadow: var(--shadow-lg);
+}
+
+.login-brand {
+    display: flex;
+    align-items: center;
+    gap: 16px;
+    margin-bottom: 24px;
+}
+
+.login-brand i {
+    width: 40px;
+    height: 40px;
+    color: var(--primary);
+}
+
+.login-brand h1 {
+    font-size: 1.6rem;
+    margin-bottom: 4px;
+}
+
 /* Header - Keep the gradient but more professional */
 header {
     background: var(--bg-header);
@@ -105,6 +147,11 @@ header {
     border-radius: 12px;
     margin-bottom: 30px;
     box-shadow: var(--shadow-md);
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 16px;
+    flex-wrap: wrap;
 }
 
 header h1 {
@@ -119,6 +166,34 @@ header p {
     font-weight: 400;
 }
 
+.header-main {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+.header-main i {
+    width: 32px;
+    height: 32px;
+}
+
+.header-meta {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-end;
+    gap: 6px;
+}
+
+.header-version {
+    font-size: 0.9rem;
+    font-weight: 700;
+    letter-spacing: 0.04em;
+    text-transform: uppercase;
+    padding: 6px 10px;
+    border-radius: 999px;
+    background: rgba(255, 255, 255, 0.2);
+}
+
 /* Statistics Dashboard - More visual interest */
 .stats {
     display: grid;
@@ -647,6 +722,14 @@ textarea:focus {
     .modal-content {
         padding: 24px 20px;
     }
+
+    .login-card {
+        padding: 24px;
+    }
+
+    .header-meta {
+        align-items: flex-start;
+    }
 }
 
 /* NEW STYLES FOR ENHANCED UI */