/* Advanced Animations for SLH Enterprise - Enhanced Version */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(99, 102, 241, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.8);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@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 typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes check {
    to {
        transform: scaleX(1);
    }
}

@keyframes dots {
    0%, 20% {
        color: rgba(0,0,0,0);
        text-shadow: .25em 0 0 rgba(0,0,0,0), .5em 0 0 rgba(0,0,0,0);
    }
    40% {
        color: white;
        text-shadow: .25em 0 0 rgba(0,0,0,0), .5em 0 0 rgba(0,0,0,0);
    }
    60% {
        text-shadow: .25em 0 0 white, .5em 0 0 rgba(0,0,0,0);
    }
    80%, 100% {
        text-shadow: .25em 0 0 white, .5em 0 0 white;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Additional Animations for Payment System */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes progress {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

.float {
    animation: float 3s ease-in-out infinite;
}

.glow {
    animation: glow 2s ease-in-out infinite;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary);
    white-space: nowrap;
    animation: typewriter 3s steps(40) 1s both, blink 0.8s infinite;
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Hover Effects */
.glow-on-hover {
    transition: all 0.3s ease;
}

.glow-on-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Premium Animations */
.premium-glow {
    position: relative;
}

.premium-glow::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ffd700, #ffed4e, #ffd700);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.premium-glow:hover::before {
    opacity: 1;
    animation: glow 1.5s ease-in-out infinite;
}

/* Particle Effects */
.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

/* Success Animation */
.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.check-icon {
    width: 80px;
    height: 80px;
    position: relative;
    border-radius: 50%;
    box-sizing: content-box;
    border: 4px solid var(--success);
}

.check-icon::before {
    top: 3px;
    left: -2px;
    width: 30px;
    transform-origin: 100% 50%;
}

.check-icon::after {
    top: 0;
    left: 30px;
    width: 60px;
    transform-origin: 0 50%;
}

.check-icon::before, .check-icon::after {
    content: '';
    height: 4px;
    background: var(--success);
    position: absolute;
    transform: scaleX(0);
    animation: check 0.8s ease-in-out 0.2s forwards;
}

/* Loading Dots */
.loading-dots {
    display: inline-block;
}

.loading-dots:after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

/* Gradient Border Animation */
.gradient-border {
    position: relative;
    background: var(--dark);
    border-radius: 20px;
    padding: 2px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent), var(--primary));
    border-radius: 22px;
    z-index: -1;
    background-size: 400% 400%;
    animation: gradient 3s ease infinite;
}

/* Staggered Animations */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
}

.stagger-item.animated {
    animation: fadeInUp 0.6s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }

/* Magnetic Button Effect */
.magnetic-btn {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.magnetic-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.magnetic-btn:hover::before {
    width: 300px;
    height: 300px;
}

/* Text Glow */
.text-glow {
    text-shadow: 0 0 10px currentColor;
}

/* Floating Elements */
.floating {
    animation: float 6s ease-in-out infinite;
}

.floating-1 { animation-delay: 0s; }
.floating-2 { animation-delay: 2s; }
.floating-3 { animation-delay: 4s; }

/* Attention Seeker */
.attention-pulse {
    animation: pulse 1s infinite, glow 2s infinite;
}

/* Page Transition */
.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s, transform 0.5s;
}

/* Ripple Effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* Enhanced Glow Effects */
.enhanced-glow {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
}

.enhanced-glow:hover {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
    transform: translateY(-2px);
}

/* Modern Card Hover */
.modern-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Shine Effect */
.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.shine-effect:hover::before {
    left: 100%;
}

/* Payment Specific Animations */
.payment-status {
    animation: slideDown 0.5s ease;
}

.status-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.uploading .fa-cloud-upload-alt {
    animation: pulse 1s infinite;
}

.shake {
    animation: shake 0.5s ease;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    animation: progress 2s ease-in-out infinite;
}

/* Success checkmark animation */
.checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: var(--success);
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

/* Floating action buttons */
.fab {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    cursor: pointer;
    z-index: 1000;
    animation: float 3s ease-in-out infinite;
}

.fab:hover {
    transform: scale(1.1);
}

/* Notification badge */
.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--error);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

/* Enhanced loading states */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(10px);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255,255,255,0.1);
    border-left: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Payment receipt styles */
.receipt {
    background: white;
    color: #333;
    padding: 2rem;
    border-radius: 15px;
    max-width: 400px;
    margin: 0 auto;
}

.receipt-header {
    text-align: center;
    border-bottom: 2px solid #eee;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.receipt-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.receipt-total {
    font-weight: bold;
    font-size: 1.2rem;
    border-top: 2px solid #333;
    margin-top: 1rem;
    padding-top: 1rem;
}

/* Admin panel animations */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.admin-stats .stat-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.admin-stats .stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.admin-stats .stat-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.admin-stats .stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--light);
    margin-bottom: 0.5rem;
}

.admin-stats .stat-label {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Payment request animations */
.payment-request {
    animation: slideInLeft 0.5s ease;
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.payment-amount {
    background: var(--premium-gradient);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

.payment-details {
    display: flex;
    justify-content: space-between;
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Enhanced button animations */
.btn-premium {
    position: relative;
    overflow: hidden;
}

.btn-premium::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .payment-details {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .fab {
        bottom: 1rem;
        left: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* Dark mode enhancements */
@media (prefers-color-scheme: dark) {
    .receipt {
        background: var(--dark);
        color: var(--light);
        border: 1px solid rgba(255,255,255,0.1);
    }
    
    .receipt-header {
        border-bottom-color: rgba(255,255,255,0.2);
    }
    
    .receipt-item {
        border-bottom-color: rgba(255,255,255,0.1);
    }
    
    .receipt-total {
        border-top-color: rgba(255,255,255,0.2);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}