diff --git a/static/css/dashboard.css b/static/css/dashboard.css
index fdb9a123..15094479 100644
--- a/static/css/dashboard.css
+++ b/static/css/dashboard.css
@@ -6,7 +6,7 @@
 }
 
 :root {
-    /* ... existing colors ... */
+    /* Color Palette - Modern SaaS Darkish Theme */
     --primary: #6366f1;
     --primary-dark: #4f46e5;
     --primary-light: #818cf8;
@@ -86,7 +86,7 @@ body {
 }
 
 .sidebar-header {
-    padding: var(--spacing-lg);
+    padding: 0 var(--spacing-lg);
     display: flex;
     align-items: center;
     justify-content: space-between;
@@ -94,21 +94,38 @@ body {
     border-bottom: 1px solid rgba(255, 255, 255, 0.05);
 }
 
-.sidebar.collapsed .sidebar-header {
+.sidebar-toggle {
+    background: rgba(255, 255, 255, 0.05);
+    border: none;
+    color: var(--text-white);
+    width: 32px;
+    height: 32px;
+    border-radius: 6px;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
     justify-content: center;
-    padding: var(--spacing-sm);
+    transition: all 0.2s;
+    opacity: 0.7;
+    flex-shrink: 0;
 }
 
-.sidebar.collapsed .logo span {
+.sidebar-toggle:hover {
+    background: rgba(255, 255, 255, 0.1);
+    opacity: 1;
+}
+
+.sidebar.collapsed .sidebar-header {
+    justify-content: center;
+    padding: 0;
+}
+
+.sidebar.collapsed .logo {
     display: none;
 }
 
 .sidebar.collapsed .sidebar-toggle {
-    display: none; /* Hide toggle when collapsed to simplify, or center it */
-}
-
-.sidebar.collapsed .logo {
-    justify-content: center;
+    opacity: 1;
 }
 
 .logo {
@@ -119,6 +136,7 @@ body {
     font-weight: 800;
     letter-spacing: -0.025em;
     overflow: hidden;
+    white-space: nowrap;
 }
 
 .logo i {
@@ -188,6 +206,101 @@ body {
     font-size: 1.25rem;
 }
 
+/* Sidebar Tooltips (for collapsed state) */
+.sidebar.collapsed .menu-item {
+    position: relative;
+}
+
+.sidebar.collapsed .menu-item::after {
+    content: attr(data-tooltip);
+    position: absolute;
+    left: 100%;
+    margin-left: 10px;
+    background: #1e293b;
+    color: white;
+    padding: 4px 8px;
+    border-radius: 4px;
+    font-size: 0.75rem;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.2s;
+    white-space: nowrap;
+    z-index: 1001;
+}
+
+.sidebar.collapsed .menu-item:hover::after {
+    opacity: 1;
+}
+
+.sidebar-footer {
+    padding: var(--spacing-lg);
+    border-top: 1px solid rgba(255, 255, 255, 0.05);
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    min-height: 70px;
+}
+
+.sidebar.collapsed .sidebar-footer {
+    justify-content: center;
+    padding: var(--spacing-lg) 0;
+}
+
+.sidebar.collapsed .user-details,
+.sidebar.collapsed .logout-btn {
+    display: none;
+}
+
+.user-info {
+    display: flex;
+    align-items: center;
+    gap: 0.75rem;
+    overflow: hidden;
+}
+
+.user-avatar {
+    width: 32px;
+    height: 32px;
+    border-radius: 50%;
+    background: rgba(255, 255, 255, 0.1);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+}
+
+.user-details {
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+}
+
+.user-name {
+    font-size: 0.875rem;
+    font-weight: 600;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+}
+
+.user-role {
+    font-size: 0.75rem;
+    color: var(--text-light);
+    opacity: 0.7;
+}
+
+.logout-btn {
+    background: none;
+    border: none;
+    color: #94a3b8;
+    cursor: pointer;
+    font-size: 1.125rem;
+    transition: color 0.2s;
+}
+
+.logout-btn:hover {
+    color: var(--danger);
+}
+
 /* Main Content Area */
 .main-content {
     margin-left: 260px;
@@ -216,6 +329,12 @@ body {
     z-index: 100;
 }
 
+.nav-left .page-title {
+    font-size: 1.25rem;
+    font-weight: 700;
+    color: var(--text-primary);
+}
+
 .nav-right {
     display: flex;
     align-items: center;
@@ -228,9 +347,44 @@ body {
     gap: var(--spacing-sm);
     color: var(--text-secondary);
     font-size: 0.875rem;
+    cursor: pointer;
+    transition: color 0.2s;
 }
 
+.nav-item:hover {
+    color: var(--primary);
+}
+
+/* Page Content */
+.page-content {
+    padding: var(--spacing-xl);
+    flex: 1;
+    animation: fadeIn 0.3s ease-out;
+}
+
+@keyframes fadeIn {
+    from { opacity: 0; transform: translateY(5px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+/* Grids */
+.grid-2, .grid-3 {
+    display: grid;
+    gap: 1.5rem;
+    margin-bottom: 1.5rem;
+}
+
+.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }
+.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
+
 /* Stat Cards */
+.stats-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
+    gap: 1.5rem;
+    margin-bottom: 1.5rem;
+}
+
 .stat-card {
     background: var(--bg-card);
     padding: var(--spacing-lg);
@@ -239,7 +393,14 @@ body {
     box-shadow: var(--shadow-sm);
     display: flex;
     gap: 1.25rem;
-    align-items: center; /* Center horizontally/vertically */
+    align-items: center;
+    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.stat-card:hover {
+    border-color: var(--primary-light);
+    transform: translateY(-2px);
+    box-shadow: var(--shadow-md);
 }
 
 .stat-icon {
@@ -253,19 +414,275 @@ body {
     flex-shrink: 0;
 }
 
+.stat-icon.primary { background: rgba(99, 102, 241, 0.1); color: var(--primary); }
+.stat-icon.success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
+.stat-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
+.stat-icon.danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
+
 .stat-content {
     flex: 1;
+    display: flex;
+    flex-direction: column;
 }
 
-/* Grids */
-.grid-2, .grid-3 {
-    display: grid;
-    gap: 1.5rem;
+.stat-value {
+    font-size: 1.5rem;
+    font-weight: 800;
+    letter-spacing: -0.025em;
+    line-height: 1.2;
+}
+
+.stat-label {
+    color: var(--text-secondary);
+    font-size: 0.875rem;
+    font-weight: 500;
+    margin-bottom: 2px;
+}
+
+.stat-change {
+    font-size: 0.75rem;
+    font-weight: 600;
+    margin-top: 4px;
+}
+
+.stat-change.positive { color: var(--success); }
+.stat-change.negative { color: var(--danger); }
+
+/* Generic Cards */
+.card {
+    background: var(--bg-card);
+    border-radius: var(--border-radius);
+    border: 1px solid var(--border-color);
+    box-shadow: var(--shadow-sm);
     margin-bottom: 1.5rem;
+    display: flex;
+    flex-direction: column;
 }
 
-.grid-2 { grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); }
-.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
+.card-header {
+    padding: 1.25rem var(--spacing-lg);
+    border-bottom: 1px solid var(--border-color);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.card-title {
+    font-size: 1rem;
+    font-weight: 700;
+    color: var(--text-primary);
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+}
+
+.card-body {
+    padding: var(--spacing-lg);
+}
+
+.card-action-btn {
+    background: none;
+    border: none;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 1rem;
+    transition: color 0.2s;
+}
+
+.card-action-btn:hover {
+    color: var(--primary);
+}
+
+/* Tables */
+.table-container {
+    overflow-x: auto;
+}
+
+.table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.table th {
+    background: #f8fafc;
+    text-align: left;
+    padding: 0.75rem 1rem;
+    font-size: 0.75rem;
+    font-weight: 600;
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+    color: #64748b;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.table td {
+    padding: 1rem;
+    border-bottom: 1px solid #f1f5f9;
+    font-size: 0.875rem;
+}
+
+.table tr:hover td {
+    background-color: var(--bg-hover);
+}
+
+.table tr:last-child td {
+    border-bottom: none;
+}
+
+/* Badges */
+.status-badge {
+    padding: 0.25rem 0.75rem;
+    border-radius: 9999px;
+    font-size: 0.7rem;
+    font-weight: 700;
+    text-transform: uppercase;
+    display: inline-flex;
+    align-items: center;
+    gap: 0.375rem;
+}
+
+.status-badge.online, .status-badge.success { background: #dcfce7; color: #166534; }
+.status-badge.offline, .status-badge.danger { background: #fee2e2; color: #991b1b; }
+.status-badge.warning { background: #fef9c3; color: #854d0e; }
+
+.badge-client {
+    background: #f1f5f9;
+    color: #475569;
+    padding: 2px 8px;
+    border-radius: 6px;
+    font-family: monospace;
+    font-size: 0.85rem;
+    border: 1px solid #e2e8f0;
+}
+
+/* Charts */
+.chart-container {
+    background: white;
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius);
+    padding: 1.5rem;
+}
+
+/* Forms */
+.form-control {
+    margin-bottom: 1.25rem;
+}
+
+.form-control label {
+    display: block;
+    font-weight: 600;
+    margin-bottom: 0.5rem;
+    font-size: 0.875rem;
+    color: var(--text-secondary);
+}
+
+.form-control input, .form-control textarea, .form-control select {
+    width: 100%;
+    border: 1px solid #cbd5e1;
+    border-radius: 8px;
+    padding: 0.75rem;
+    font-family: inherit;
+    font-size: 0.875rem;
+    transition: all 0.2s;
+}
+
+.form-control input:focus, .form-control textarea:focus, .form-control select:focus {
+    outline: none;
+    border-color: var(--primary);
+    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
+}
+
+.btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.5rem;
+    padding: 0.625rem 1.25rem;
+    border-radius: 8px;
+    font-weight: 600;
+    font-size: 0.875rem;
+    cursor: pointer;
+    transition: all 0.2s;
+    border: 1px solid transparent;
+}
+
+.btn-primary { background: var(--primary); color: white; }
+.btn-primary:hover { background: var(--primary-dark); }
+
+.btn-secondary { background: white; border-color: var(--border-color); color: var(--text-secondary); }
+.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }
+
+.btn-danger { background: var(--danger); color: white; }
+.btn-danger:hover { background: #dc2626; }
+
+/* Modals */
+.modal {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(15, 23, 42, 0.6);
+    backdrop-filter: blur(4px);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 2000;
+    opacity: 0;
+    visibility: hidden;
+    transition: all 0.2s;
+}
+
+.modal.active {
+    opacity: 1;
+    visibility: visible;
+}
+
+.modal-content {
+    background: white;
+    border-radius: 16px;
+    width: 90%;
+    max-width: 500px;
+    box-shadow: var(--shadow-lg);
+    transform: translateY(20px);
+    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.modal.active .modal-content {
+    transform: translateY(0);
+}
+
+.modal-header {
+    padding: 1.25rem 1.5rem;
+    border-bottom: 1px solid var(--border-color);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.modal-title {
+    font-size: 1.125rem;
+    font-weight: 700;
+}
+
+.modal-close {
+    background: none;
+    border: none;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 1.25rem;
+}
+
+.modal-body {
+    padding: 1.5rem;
+}
+
+.modal-footer {
+    padding: 1.25rem 1.5rem;
+    border-top: 1px solid var(--border-color);
+    display: flex;
+    justify-content: flex-end;
+    gap: 0.75rem;
+}
 
 /* WebSocket Dot Pulse */
 @keyframes ws-pulse {
@@ -286,161 +703,8 @@ body {
     animation: ws-pulse 2s infinite;
 }
 
-.status-badge.online, .status-badge.success { background: #dcfce7; color: #166534; }
-.status-badge.offline, .status-badge.danger { background: #fee2e2; color: #991b1b; }
-.status-badge.warning { background: #fef9c3; color: #854d0e; }
-
-.badge-client {
-    background: #f1f5f9;
-    color: #475569;
-    padding: 2px 8px;
-    border-radius: 6px;
-    font-family: monospace;
-    font-size: 0.85rem;
-    border: 1px solid #e2e8f0;
-}
-
-/* Provider Grid */
-.provider-cards-grid {
-    display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
-    gap: 1.5rem;
-}
-
-.provider-card {
-    background: var(--bg-card);
-    border-radius: var(--border-radius);
-    border: 1px solid var(--border-color);
-    overflow: hidden;
-    transition: all 0.2s;
-}
-
-.provider-card:hover {
-    box-shadow: var(--shadow-md);
-    transform: translateY(-2px);
-}
-
-.provider-card-header {
-    padding: 1.25rem;
-    border-bottom: 1px solid var(--border-color);
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-}
-
-.provider-name {
-    font-size: 1.125rem;
-    font-weight: 700;
-}
-
-.provider-card-body {
-    padding: 1.25rem;
-}
-
-.model-tags {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 0.5rem;
-    margin-top: 1rem;
-}
-
-.model-tag {
-    background: #f1f5f9;
-    padding: 2px 10px;
-    border-radius: 6px;
-    font-size: 0.75rem;
-    font-weight: 600;
-    color: #64748b;
-}
-
-/* Forms */
-.form-control label {
-    font-weight: 600;
-    margin-bottom: 0.5rem;
-    font-size: 0.875rem;
-}
-
-.form-control input, .form-control textarea {
-    border: 1px solid #cbd5e1;
-    border-radius: 8px;
-    padding: 0.75rem;
-    transition: all 0.2s;
-}
-
-.form-control input:focus {
-    border-color: var(--primary);
-    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
-}
-
-/* Modals */
-.modal {
-    background: rgba(15, 23, 42, 0.6);
-    backdrop-filter: blur(4px);
-}
-
-.modal-content {
-    border-radius: 16px;
-    border: none;
-    box-shadow: var(--shadow-lg);
-}
-
-/* Charts Area */
-.chart-container {
-    background: white;
-    border: 1px solid var(--border-color);
-    border-radius: var(--border-radius);
-    padding: 1.5rem;
-}
-
-/* Logs Style */
-.log-row {
-    font-family: 'Inter', sans-serif;
-}
-
-.log-meta {
-    display: flex;
-    flex-direction: column;
-    gap: 4px;
-}
-
-.log-provider {
-    font-size: 0.75rem;
-    color: var(--text-light);
-    text-transform: uppercase;
-    font-weight: 700;
-}
-
-.log-message-container {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 8px;
-    align-items: center;
-}
-
-.log-tokens, .log-duration {
-    font-size: 0.75rem;
-    color: var(--text-secondary);
-    background: #f8fafc;
-    padding: 2px 6px;
-    border-radius: 4px;
-}
-
-.log-error-msg {
-    width: 100%;
-    color: var(--danger);
-    font-size: 0.8rem;
-    margin-top: 4px;
-    font-style: italic;
-}
-
-/* WebSocket Status */
-.ws-status {
-    background: #0f172a;
-    color: white;
-    padding: 6px 16px;
-    border-radius: 999px;
-    border: 1px solid rgba(255, 255, 255, 0.1);
-}
+.ws-dot.disconnected { background: var(--danger); }
+.ws-dot.error { background: var(--warning); }
 
 /* Loading Spinner */
 .spinner-container {
@@ -469,94 +733,133 @@ body {
     to { transform: rotate(360deg); }
 }
 
-/* Page Content Transition */
-.page-content {
-    padding: 2rem;
-    animation: fadeIn 0.3s ease-out;
-}
-
-@keyframes fadeIn {
-    from { opacity: 0; transform: translateY(5px); }
-    to { opacity: 1; transform: translateY(0); }
-}
-
-/* Sidebar Tooltips (for collapsed state) */
-.sidebar.collapsed .menu-item {
-    position: relative;
-}
-
-.sidebar.collapsed .menu-item::after {
-    content: attr(data-tooltip);
-    position: absolute;
-    left: 100%;
-    margin-left: 10px;
-    background: #1e293b;
-    color: white;
-    padding: 4px 8px;
-    border-radius: 4px;
-    font-size: 0.75rem;
-    opacity: 0;
-    pointer-events: none;
-    transition: opacity 0.2s;
-    white-space: nowrap;
-    z-index: 1001;
-}
-
-.sidebar.collapsed .menu-item:hover::after {
-    opacity: 1;
-}
-
-/* Card Header Polish */
-.card-header {
+/* Login Screen */
+.login-container {
+    min-height: 100vh;
     display: flex;
-    justify-content: space-between;
     align-items: center;
-    margin-bottom: 1.25rem;
+    justify-content: center;
+    background: radial-gradient(circle at top left, #1e293b, #0f172a);
+    padding: 1.5rem;
 }
 
-.card-title {
-    font-size: 1rem;
-    font-weight: 700;
-    color: var(--text-primary);
-    display: flex;
+.login-card {
+    background: var(--bg-primary);
+    border-radius: var(--border-radius);
+    box-shadow: var(--shadow-lg);
+    padding: 3rem;
+    width: 100%;
+    max-width: 450px;
+}
+
+.login-header {
+    text-align: center;
+    margin-bottom: 2rem;
+}
+
+.login-icon {
+    font-size: 3rem;
+    color: var(--primary);
+    margin-bottom: 1rem;
+}
+
+.login-subtitle {
+    color: var(--text-secondary);
+    font-size: 0.875rem;
+}
+
+.login-btn {
+    width: 100%;
+    padding: 0.75rem;
+    margin-top: 1rem;
+}
+
+.error-message {
+    background: #fef2f2;
+    color: var(--danger);
+    padding: 0.75rem;
+    border-radius: 8px;
+    margin-bottom: 1.5rem;
+    font-size: 0.875rem;
+    display: none;
     align-items: center;
     gap: 0.5rem;
 }
 
-/* Table Polish */
-.table {
-    width: 100%;
-    border-spacing: 0;
+/* Provider Grid Details */
+.provider-card-header .provider-info {
+    display: flex;
+    flex-direction: column;
 }
 
-.table th {
-    background: #f8fafc;
-    text-align: left;
-    padding: 0.75rem 1rem;
+.provider-id {
     font-size: 0.75rem;
+    color: var(--text-light);
     font-weight: 600;
-    text-transform: uppercase;
-    letter-spacing: 0.05em;
-    color: #64748b;
-    border-bottom: 1px solid var(--border-color);
 }
 
-.table td {
+.provider-meta {
+    display: flex;
+    flex-direction: column;
+    gap: 0.5rem;
+    margin-bottom: 1rem;
+}
+
+.meta-item {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    font-size: 0.875rem;
+    color: var(--text-secondary);
+}
+
+.provider-card-footer {
+    padding: 1rem 1.25rem;
+    background: #f8fafc;
+    border-top: 1px solid var(--border-color);
+    display: flex;
+    gap: 0.75rem;
+}
+
+.btn-sm {
+    padding: 0.4rem 0.75rem;
+    font-size: 0.75rem;
+}
+
+/* Toast Container */
+.toast-container {
+    position: fixed;
+    bottom: 1.5rem;
+    right: 1.5rem;
+    z-index: 3000;
+    display: flex;
+    flex-direction: column;
+    gap: 0.75rem;
+}
+
+.toast {
+    background: white;
+    border-radius: 12px;
     padding: 1rem;
-    border-bottom: 1px solid #f1f5f9;
+    box-shadow: var(--shadow-lg);
+    display: flex;
+    align-items: center;
+    gap: 1rem;
+    min-width: 300px;
+    border-left: 4px solid var(--primary);
+    animation: slideIn 0.3s ease-out forwards;
 }
 
-.table tr:last-child td {
-    border-bottom: none;
+@keyframes slideIn {
+    from { transform: translateX(100%); opacity: 0; }
+    to { transform: translateX(0); opacity: 1; }
 }
 
-/* Stat Card Hover */
-.stat-card {
-    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
-}
+.toast.success { border-left-color: var(--success); }
+.toast.error { border-left-color: var(--danger); }
+.toast.warning { border-left-color: var(--warning); }
 
-.stat-card:hover {
-    border-color: var(--primary-light);
-    transform: translateY(-2px);
-    box-shadow: var(--shadow-md);
-}
+.toast-content { flex: 1; }
+.toast-title { font-weight: 700; font-size: 0.875rem; }
+.toast-message { font-size: 0.8rem; color: var(--text-secondary); }
+.toast-close { background: none; border: none; color: var(--text-light); cursor: pointer; }