/* iOS-Inspired Animations and Micro-interactions */

/* Advanced Animation Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* iOS-style Loading Animations */
@keyframes iosSpinner {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes iosProgress {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Animation Classes */
.animate-fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.animate-bounce-in {
    animation: bounceIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.animate-slide-in-bottom {
    animation: slideInFromBottom 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

/* Staggered Animations */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.8s; }

/* iOS-style Ripple Effect */
.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple-effect:active::before {
    width: 300px;
    height: 300px;
}

/* iOS-style Loading Spinner */
.ios-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--ios-gray-3);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: iosSpinner 1s linear infinite;
}

.ios-spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

/* iOS-style Progress Bar */
.ios-progress {
    width: 100%;
    height: 3px;
    background: var(--ios-gray-2);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.ios-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.ios-progress-indeterminate .ios-progress-bar {
    width: 30%;
    animation: iosProgress 2s ease-in-out infinite;
}

/* iOS-style Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--ios-gray-2) 25%, var(--ios-gray-1) 50%, var(--ios-gray-2) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 0.875em;
    margin-bottom: 0.375em;
}

.skeleton-text:last-child {
    margin-bottom: 0;
    width: 60%;
}

.skeleton-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.skeleton-button {
    height: 32px;
    width: 100px;
    border-radius: var(--radius-lg);
}

/* iOS-style Hover Effects */
.hover-lift {
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.hover-scale {
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow {
    transition: all 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 122, 255, 0.3);
}

/* iOS-style Focus Effects */
.focus-ring {
    transition: all 0.2s ease;
}

.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.2);
    transform: scale(1.02);
}

/* iOS-style Parallax Effect */
.parallax-container {
    perspective: 1000px;
}

.parallax-element {
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

/* iOS-style Glassmorphism Enhanced */
.glass-enhanced {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* iOS-style Neumorphism */
.neumorphic {
    background: var(--bg-secondary);
    box-shadow: 
        8px 8px 16px rgba(0, 0, 0, 0.1),
        -8px -8px 16px rgba(255, 255, 255, 0.8);
    border: none;
}

.neumorphic-inset {
    background: var(--bg-secondary);
    box-shadow: 
        inset 4px 4px 8px rgba(0, 0, 0, 0.1),
        inset -4px -4px 8px rgba(255, 255, 255, 0.8);
}

/* iOS-style Floating Action Button */
.fab {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    border: none;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
}

.fab:hover {
    transform: scale(1.05) translateY(-1px);
    box-shadow: var(--shadow-2xl);
    color: white;
}

.fab:active {
    transform: scale(0.95);
}

/* iOS-style Toast Notifications */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    max-width: 300px;
}

.toast-ios {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--ios-gray-3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3);
    margin-bottom: var(--spacing-2);
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-ios.show {
    transform: translateX(0);
}

.toast-ios.hide {
    transform: translateX(100%);
    opacity: 0;
}

/* iOS-style Modal Enhancements */
.modal-ios .modal-dialog {
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-ios.show .modal-dialog {
    transform: scale(1);
}

.modal-ios .modal-content {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--ios-gray-3);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

/* iOS-style Dropdown Enhancements */
.dropdown-menu-ios {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--ios-gray-3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2);
    transform: scale(0.95) translateY(-10px);
    opacity: 0;
    transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.dropdown-menu-ios.show {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* iOS-style Table Enhancements */
.table-ios {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--ios-gray-3);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table-ios tbody tr {
    transition: all 0.2s ease;
}

.table-ios tbody tr:hover {
    background: rgba(0, 122, 255, 0.05);
    transform: scale(1.01);
}

/* iOS-style Form Enhancements */
.form-floating-ios {
    position: relative;
}

.form-floating-ios .form-control {
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

.form-floating-ios .form-label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: all 0.2s ease-in-out;
}

.form-floating-ios .form-control:focus ~ .form-label,
.form-floating-ios .form-control:not(:placeholder-shown) ~ .form-label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* iOS-style Switch */
.switch-ios {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 26px;
}

.switch-ios input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-ios .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--ios-gray-4);
    transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 26px;
}

.switch-ios .slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.switch-ios input:checked + .slider {
    background-color: var(--primary-color);
}

.switch-ios input:checked + .slider:before {
    transform: translateX(18px);
}

/* iOS-style Segmented Control */
.segmented-control {
    display: flex;
    background: var(--ios-gray-2);
    border-radius: var(--radius-lg);
    padding: 2px;
    position: relative;
}

.segmented-control input {
    display: none;
}

.segmented-control label {
    flex: 1;
    text-align: center;
    padding: var(--spacing-2) var(--spacing-3);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    z-index: 2;
    font-size: var(--font-size-sm);
}

.segmented-control input:checked + label {
    color: var(--text-primary);
    background: white;
    box-shadow: var(--shadow-sm);
}

/* Responsive Animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Enhancements */
@media (prefers-color-scheme: dark) {
    .glass-enhanced {
        background: rgba(28, 28, 30, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .neumorphic {
        background: var(--ios-gray-10);
        box-shadow: 
            8px 8px 16px rgba(0, 0, 0, 0.3),
            -8px -8px 16px rgba(255, 255, 255, 0.05);
    }
    
    .switch-ios .slider:before {
        background-color: var(--ios-gray-1);
    }
}