Main functions

public/css/theme-toggle.css

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+/* Animated Theme Toggle Styles */
+.theme-toggle-slider {
+    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
+                background-color 0.3s ease;
+}
+
+.theme-sun-icon,
+.theme-moon-icon {
+    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
+                opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+/* Initial states - Light theme */
+.theme-sun-icon {
+    transform: rotate(0deg) scale(1);
+    opacity: 1;
+}
+
+.theme-moon-icon {
+    transform: rotate(-180deg) scale(0);
+    opacity: 0;
+}
+
+/* Dark theme states */
+.dark .theme-sun-icon {
+    transform: rotate(180deg) scale(0);
+    opacity: 0;
+}
+
+.dark .theme-moon-icon {
+    transform: rotate(0deg) scale(1);
+    opacity: 1;
+}
+
+/* Toggle background enhancement with perfect centering */
+.theme-toggle-bg {
+    background: linear-gradient(135deg, #e0f2fe 0%, #fff3e0 100%);
+    border: 2px solid #e5e7eb;
+    transition: all 0.3s ease;
+    position: relative;
+    display: flex;
+    align-items: center;
+}
+
+.dark .theme-toggle-bg {
+    background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
+    border-color: #6b7280;
+}
+
+/* Enhanced slider styles with perfect centering */
+.theme-toggle-slider {
+    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
+    border: 1px solid rgba(0, 0, 0, 0.1);
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
+    /* Позволяем Tailwind CSS управлять позиционированием */
+}
+
+.dark .theme-toggle-slider {
+    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
+    border-color: rgba(0, 0, 0, 0.2);
+}
+
+/* Hover effects */
+label:hover .theme-toggle-slider {
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+/* Focus styles for accessibility */
+input[type="checkbox"]:focus + label > div {
+    box-shadow: 0 0 0 2px #3b82f6, 0 0 0 4px rgba(59, 130, 246, 0.1);
+}
+
+/* Animation keyframes for icon rotation */
+@keyframes iconSpinIn {
+    from {
+        transform: rotate(-180deg) scale(0);
+        opacity: 0;
+    }
+    to {
+        transform: rotate(0deg) scale(1);
+        opacity: 1;
+    }
+}
+
+@keyframes iconSpinOut {
+    from {
+        transform: rotate(0deg) scale(1);
+        opacity: 1;
+    }
+    to {
+        transform: rotate(180deg) scale(0);
+        opacity: 0;
+    }
+}
+
+/* Animation states */
+.icon-animate-in {
+    animation: iconSpinIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
+}
+
+.icon-animate-out {
+    animation: iconSpinOut 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
+}