/* PressNews Animation Library */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom keyframe animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 30px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translate3d(30px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
    }
}

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

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

/* Animation classes */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

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

.gradient-shift {
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

.shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Hover animations */
.hover-lift {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Navigation animations */
.nav-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.card-hover:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Button animations */
.btn-animate {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-animate:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

/* Social icon animations */
.social-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-icon:hover {
    transform: scale(1.1) rotate(12deg);
}

/* Reading progress bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(59, 130, 246, 0.1);
    z-index: 1000;
}

.reading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transition: width 0.3s ease-out;
    border-radius: 0 2px 2px 0;
}

/* Floating action button */
.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 50;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

/* Loading states */
.loading-shimmer {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.4) 50%, 
        rgba(255, 255, 255, 0) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Notification animations */
.notification-enter {
    transform: translateX(100%);
    opacity: 0;
}

.notification-enter-active {
    transform: translateX(0);
    opacity: 1;
    transition: all 0.3s ease-out;
}

.notification-exit {
    transform: translateX(0);
    opacity: 1;
}

.notification-exit-active {
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease-in;
}

/* Dropdown animations */
.dropdown-enter {
    opacity: 0;
    transform: translateY(-10px);
}

.dropdown-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.2s ease-out;
}

/* Mobile responsive animations */
@media (max-width: 768px) {
    .hover-lift:hover {
        transform: translateY(-4px);
    }
    
    .card-hover:hover {
        transform: translateY(-2px) scale(1.01);
    }
}