Complete 4.2.1: WCAG AA compliant interactive state implementation

UI_UPDATE.MD

@@ -461,9 +461,9 @@ All utilities follow the established pattern of using CSS custom properties from
 ### Sub-task 4.2: Interactive States and Feedback
 
 #### 4.2.1: State Implementation
-- [ ] Design comprehensive hover states
+- [x] Design comprehensive hover states
-- [ ] Implement focus indicators meeting WCAG standards
+- [x] Implement focus indicators meeting WCAG standards
-- [ ] Add active and pressed state styling
+- [x] Add active and pressed state styling
 
 #### 4.2.2: Form Validation
 - [ ] Implement visual form validation feedback

static/css/components.css

@@ -123,10 +123,11 @@
     background: rgba(var(--color-primary-rgb), 0.1);
 }
 
-/* Focus states for accessibility */
+/* Focus states for accessibility - WCAG AA compliant */
 .btn:focus-visible {
-    outline: 2px solid var(--color-focus);
+    outline: 3px solid var(--color-focus);
     outline-offset: 2px;
+    box-shadow: 0 0 0 1px var(--color-surface), 0 0 0 4px var(--dodgers-blue-100);
 }
 
 /* Loading state */
@@ -225,8 +226,68 @@
 }
 
 .card:focus-visible {
-    outline: 2px solid var(--color-focus);
+    outline: 3px solid var(--color-focus);
     outline-offset: 2px;
+    box-shadow: 0 0 0 2px var(--dodgers-blue-100);
+}
+
+/* Form focus states - WCAG AA compliant */
+.form-control:focus,
+.form-input:focus,
+.form-textarea:focus,
+.form-select:focus {
+    outline: 3px solid var(--color-focus);
+    outline-offset: 2px;
+    box-shadow: 0 0 0 2px var(--dodgers-blue-100);
+    border-color: var(--color-focus);
+}
+
+.chat__input input:focus {
+    outline: 3px solid var(--color-focus);
+    outline-offset: 2px;
+    box-shadow: 0 0 0 2px var(--dodgers-blue-100);
+}
+
+/* Link focus states */
+a:focus-visible {
+    outline: 3px solid var(--color-focus);
+    outline-offset: 2px;
+    text-decoration: underline;
+}
+
+/* Dashboard and control focus states */
+.dashboard__toggle-btn:focus-visible {
+    outline: 3px solid var(--dodgers-white);
+    outline-offset: 2px;
+    background: rgba(255,255,255,0.3);
+}
+
+.video-player__quality-selector:focus-visible,
+.video-player__toggle-chat-btn:focus-visible,
+.stream-stats__refresh-btn:focus-visible {
+    outline: 3px solid var(--dodgers-white);
+    outline-offset: 2px;
+    background: rgba(255,255,255,0.3);
+}
+
+/* Chat admin controls focus */
+.chat__admin-btn:focus-visible {
+    outline: 3px solid var(--dodgers-gold);
+    outline-offset: 1px;
+}
+
+/* Mobile navigation focus */
+.mobile-nav-btn:focus-visible {
+    outline: 3px solid var(--dodgers-white);
+    outline-offset: 2px;
+    background: rgba(255,255,255,0.15);
+}
+
+/* FAB focus */
+.fab:focus-visible {
+    outline: 3px solid var(--dodgers-white);
+    outline-offset: 2px;
+    box-shadow: 0 0 0 1px var(--dodgers-blue-400), var(--elevation-5);
 }
 
 /* Card variants */
@@ -1754,6 +1815,78 @@
 
 .chat__input button:active {
     transform: translateY(0);
+    box-shadow: var(--elevation-1);
+}
+
+/* Active states for links and form elements */
+a:active {
+    transform: scale(0.98);
+}
+
+/* Form elements pressed states */
+.form-control:active {
+    transform: translateY(0);
+}
+
+.form-input:active,
+.form-textarea:active,
+.form-select:active {
+    transform: translateY(0);
+    box-shadow: 0 0 0 2px var(--dodgers-blue-200);
+}
+
+/* Dashboard controls active states */
+.dashboard__toggle-btn:active {
+    transform: translateY(0);
+    background: rgba(255,255,255,0.4);
+}
+
+.stats-card:active {
+    transform: translateY(-1px);
+    box-shadow: var(--elevation-2);
+}
+
+/* Video controls pressed states */
+.video-player__quality-selector:active,
+.video-player__toggle-chat-btn:active,
+.stream-stats__refresh-btn:active {
+    transform: translateY(0);
+    background: rgba(255,255,255,0.3);
+}
+
+/* Chat admin controls active states */
+.chat__admin-btn:active {
+    transform: translateY(0);
+    background: rgba(255,215,0,0.6);
+}
+
+/* Message actions pressed states */
+.delete-btn:active, .ban-btn:active {
+    transform: scale(0.95);
+}
+
+/* Mobile navigation active states */
+.mobile-nav-btn:active {
+    transform: scale(0.95) translateY(0);
+    background: rgba(255,255,255,0.15);
+}
+
+/* FAB active states */
+.fab:active, .fab.secondary:active {
+    transform: scale(1.05);
+    box-shadow: var(--elevation-3);
+}
+
+/* Toast notifications active states */
+.toast:active {
+    transform: translateX(-50%) scale(0.95);
+}
+
+/* Activity and user item active states */
+.activity-item:active,
+.user-item:active {
+    transform: scale(0.98);
+    background: var(--color-surface-variant);
 }
 
 .chat__empty-state {

static/css/variables.css

@@ -109,6 +109,7 @@
     --hover-overlay: rgba(255, 255, 255, 0.1);
     --active-overlay: rgba(255, 255, 255, 0.2);
     --focus-ring: rgba(0, 90, 156, 0.5);
+    --color-focus: var(--dodgers-blue-400); /* WCAG AA compliant focus color */
 
     /* Borders & Dividers */
     --border-color: #1a2332;