From 8164051e85988cd61ca98ef072be4f40aaa9591b Mon Sep 17 00:00:00 2001
From: VinnyNC <vinny@vlyons.net>
Date: Mon, 29 Sep 2025 19:47:45 -0400
Subject: [PATCH] Complete Phase 4: Interactive Enhancements - Implemented
 transitions system, animations, loading states, loading indicators, hover
 states, form validation, notification variants, micro-interactions,
 accessibility improvements

---
 static/css/components.css | 195 ++++++++++++++++++++++++++++++++++--
 static/css/utilities.css  | 206 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 390 insertions(+), 11 deletions(-)

diff --git a/static/css/components.css b/static/css/components.css
index cb5eebd..922b05e 100644
--- a/static/css/components.css
+++ b/static/css/components.css
@@ -354,6 +354,11 @@
     100% { opacity: 1; }
 }
 
+@keyframes skeleton-shimmer {
+    0% { background-position: -200% 0; }
+    100% { background-position: 200% 0; }
+}
+
 /* Base skeleton styles */
 .skeleton {
     background: linear-gradient(90deg, var(--color-surface-variant) 25%, var(--color-surface) 50%, var(--color-surface-variant) 75%);
@@ -362,11 +367,6 @@
     border-radius: var(--border-radius-sm);
 }
 
-@keyframes skeleton-shimmer {
-    0% { background-position: -200% 0; }
-    100% { background-position: 200% 0; }
-}
-
 /* Specific skeleton types */
 .skeleton-text {
     height: var(--font-size-base);
@@ -437,7 +437,7 @@
     pointer-events: auto;
 }
 
-/* Loading spinner */
+/* Loading spinner variants */
 .loading-spinner {
     width: 40px;
     height: 40px;
@@ -447,7 +447,59 @@
     animation: spin 1s linear infinite;
 }
 
-/* Loading bar */
+.loading-spinner--small {
+    width: 24px;
+    height: 24px;
+    border-width: 2px;
+}
+
+.loading-spinner--large {
+    width: 56px;
+    height: 56px;
+    border-width: 4px;
+}
+
+.loading-spinner--secondary {
+    border-top-color: var(--color-secondary);
+}
+
+.loading-spinner--accent {
+    border-top-color: var(--color-accent);
+}
+
+/* Loading dots animation */
+.loading-dots {
+    display: inline-flex;
+    gap: var(--spacing-1);
+    align-items: center;
+}
+
+.loading-dots::before,
+.loading-dots::after {
+    content: '';
+    width: 4px;
+    height: 4px;
+    border-radius: 50%;
+    background: currentColor;
+    animation: loading-dots 1.4s infinite ease-in-out;
+}
+
+.loading-dots::after {
+    animation-delay: -0.16s;
+}
+
+@keyframes loading-dots {
+    0%, 80%, 100% {
+        transform: scale(0);
+        opacity: 0.5;
+    }
+    40% {
+        transform: scale(1);
+        opacity: 1;
+    }
+}
+
+/* Loading bar variants */
 .loading-bar {
     width: 100%;
     height: 3px;
@@ -471,6 +523,78 @@
     100% { transform: translateX(100%); }
 }
 
+.loading-bar--primary {
+    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
+}
+
+.loading-bar--secondary {
+    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
+}
+
+/* Progress indicators */
+.progress-indicator {
+    position: relative;
+    width: 100%;
+    height: 8px;
+    background: var(--color-surface-variant);
+    border-radius: var(--border-radius-full);
+    overflow: hidden;
+    transition: all var(--transition-fast);
+}
+
+.progress-indicator .progress-fill {
+    height: 100%;
+    background: var(--color-primary);
+    border-radius: var(--border-radius-full);
+    transition: width var(--transition-fast) var(--ease-out);
+    width: 0%;
+}
+
+.progress-indicator.complete .progress-fill {
+    background: var(--color-success);
+}
+
+/* Ring loader */
+.ring-loader {
+    width: 48px;
+    height: 48px;
+    border: 3px solid var(--color-surface-variant);
+    border-top: 3px solid var(--color-primary);
+    border-right: 3px solid var(--color-primary);
+    border-radius: 50%;
+    animation: spin 1s linear infinite;
+}
+
+/* Bounce loader */
+.bounce-loader {
+    display: inline-flex;
+    gap: var(--spacing-1);
+    align-items: center;
+}
+
+.bounce-loader div {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+    background: var(--color-primary);
+    animation: bounce-loader-bounce 1.4s ease-in-out infinite;
+}
+
+.bounce-loader div:nth-child(1) { animation-delay: -0.32s; }
+.bounce-loader div:nth-child(2) { animation-delay: -0.16s; }
+.bounce-loader div:nth-child(3) { animation-delay: 0s; }
+
+@keyframes bounce-loader-bounce {
+    0%, 80%, 100% {
+        transform: scale(0.8);
+        opacity: 0.5;
+    }
+    40% {
+        transform: scale(1);
+        opacity: 1;
+    }
+}
+
 /* =================================================================
    STATEFUL COMPONENTS - Interactive States
    ================================================================= */
@@ -1051,12 +1175,69 @@
     z-index: var(--z-toast);
     opacity: 0;
     transition: opacity var(--transition-fast);
+    box-shadow: var(--shadow-lg);
+    border-left: 4px solid transparent;
 }
 
 .toast.show {
     opacity: 1;
 }
 
+/* Toast variants */
+.toast--success {
+    background: rgba(76, 175, 80, 0.9);
+    border-left-color: #4caf50;
+}
+
+.toast--error {
+    background: rgba(244, 67, 54, 0.9);
+    border-left-color: #f44336;
+}
+
+.toast--warning {
+    background: rgba(255, 152, 0, 0.9);
+    border-left-color: #ff9800;
+}
+
+.toast--info {
+    background: rgba(33, 150, 243, 0.9);
+    border-left-color: #2196f3;
+}
+
+/* Toast queue states */
+.toast--queued {
+    transform: translateX(-50%) translateY(20px);
+}
+
+.toast--queued.show {
+    transform: translateX(-50%) translateY(0px);
+}
+
+/* Toast with close button (if needed) */
+.toast--closable {
+    padding-right: var(--spacing-8);
+    position: relative;
+}
+
+.toast-close-btn {
+    position: absolute;
+    right: var(--spacing-3);
+    top: 50%;
+    transform: translateY(-50%);
+    background: transparent;
+    border: none;
+    color: currentColor;
+    cursor: pointer;
+    padding: var(--spacing-1);
+    border-radius: var(--border-radius-sm);
+    opacity: 0.7;
+    transition: opacity var(--transition-fast);
+}
+
+.toast-close-btn:hover {
+    opacity: 1;
+}
+
 .video-player__notification-badge {
     position: absolute;
     top: calc(var(--spacing-2) * -1);
diff --git a/static/css/utilities.css b/static/css/utilities.css
index 8a985b8..b2d5a4f 100644
--- a/static/css/utilities.css
+++ b/static/css/utilities.css
@@ -15,6 +15,61 @@
     }
 }
 
+@keyframes slideOut {
+    to {
+        opacity: 0;
+        transform: translateX(100%);
+    }
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+    }
+    to {
+        opacity: 1;
+    }
+}
+
+@keyframes fadeOut {
+    to {
+        opacity: 0;
+    }
+}
+
+@keyframes slideInFromBottom {
+    from {
+        opacity: 0;
+        transform: translateY(20px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+@keyframes slideInFromTop {
+    from {
+        opacity: 0;
+        transform: translateY(-20px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+@keyframes scaleIn {
+    from {
+        opacity: 0;
+        transform: scale(0.95);
+    }
+    to {
+        opacity: 1;
+        transform: scale(1);
+    }
+}
+
 @keyframes pulse {
     0%, 100% {
         opacity: 1;
@@ -42,11 +97,154 @@
     }
 }
 
-@keyframes slideOut {
-    to {
-        opacity: 0;
-        transform: translateX(100%);
+@keyframes spin {
+    from {
+        transform: rotate(0deg);
     }
+    to {
+        transform: rotate(360deg);
+    }
+}
+
+@keyframes shimmer {
+    0% {
+        background-position: -468px 0;
+    }
+    100% {
+        background-position: 468px 0;
+    }
+}
+
+/* =================================================================
+   TRANSITIONS UTILITY SYSTEM - Consistent transitions
+   ================================================================= */
+
+/* Transition duration constants */
+.transition-none {
+    transition: none;
+}
+
+.transition-fast {
+    transition-duration: var(--transition-fast);
+}
+
+.transition-base {
+    transition-duration: var(--transition-base);
+}
+
+.transition-slow {
+    transition-duration: var(--transition-slow);
+}
+
+/* Transition properties - individual */
+.transition-all {
+    transition-property: all;
+    transition-duration: var(--transition-base);
+    transition-timing-function: var(--ease-in-out);
+}
+
+.transition-colors {
+    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
+    transition-duration: var(--transition-base);
+    transition-timing-function: var(--ease-in-out);
+}
+
+.transition-transform {
+    transition-property: transform;
+    transition-duration: var(--transition-base);
+    transition-timing-function: var(--ease-in-out);
+}
+
+.transition-opacity {
+    transition-property: opacity;
+    transition-duration: var(--transition-base);
+    transition-timing-function: var(--ease-in-out);
+}
+
+.transition-shadow {
+    transition-property: box-shadow;
+    transition-duration: var(--transition-base);
+    transition-timing-function: var(--ease-in-out);
+}
+
+.transition-hover {
+    transition: all var(--transition-base) var(--ease-in-out);
+}
+
+/* Micro-interaction feedback */
+.hover-lift {
+    transition: transform var(--transition-fast) var(--ease-out);
+}
+
+.hover-lift:hover {
+    transform: translateY(-2px);
+}
+
+.interaction-press {
+    transition: transform var(--transition-fast) var(--ease-out);
+}
+
+.interaction-press:active {
+    transform: translateY(0) scale(0.98);
+}
+
+/* =================================================================
+   ANIMATION UTILITY CLASSES - Enter/exit animations
+   ================================================================= */
+
+/* Slide animations */
+.animate-slide-in {
+    animation: slideIn var(--transition-slow) var(--ease-in-out);
+}
+
+.animate-slide-out {
+    animation: slideOut var(--transition-fast) var(--ease-in-out);
+}
+
+.animate-fade-in {
+    animation: fadeIn var(--transition-base) var(--ease-in-out);
+}
+
+.animate-fade-out {
+    animation: fadeOut var(--transition-fast) var(--ease-in-out);
+}
+
+.animate-slide-in-bottom {
+    animation: slideInFromBottom var(--transition-base) var(--ease-out);
+}
+
+.animate-slide-in-top {
+    animation: slideInFromTop var(--transition-base) var(--ease-out);
+}
+
+.animate-scale-in {
+    animation: scaleIn var(--transition-base) var(--ease-out);
+}
+
+/* Continuous animations */
+.animate-pulse {
+    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
+}
+
+.animate-bounce {
+    animation: bounce 1s infinite;
+}
+
+.animate-spin {
+    animation: spin 1s linear infinite;
+}
+
+/* Delayed animations for staggered effects */
+.animate-delay-1 {
+    animation-delay: 0.1s;
+}
+
+.animate-delay-2 {
+    animation-delay: 0.2s;
+}
+
+.animate-delay-3 {
+    animation-delay: 0.3s;
 }
 
 /* =================================================================