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

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(16px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-16px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.94);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.fade-in { animation: fadeIn 0.35s ease forwards; }
.fade-out { animation: fadeOut 0.3s ease forwards; }
.slide-up { animation: slideUp 0.35s ease forwards; }
.slide-down { animation: slideDown 0.35s ease forwards; }
.slide-left { animation: slideLeft 0.35s ease forwards; }
.slide-right { animation: slideRight 0.35s ease forwards; }
.scale-in { animation: scaleIn 0.3s ease forwards; }
.pulse { animation: pulse 2s ease-in-out infinite; }

.animate-up {
    opacity: 0;
    transform: translateY(16px);
    animation: slideUp 0.5s ease-out forwards;
}

.rotate-anim {
    animation: spin 1s linear infinite;
}

.transition-fast { transition: all 0.15s ease; }
.transition-base { transition: all 0.22s ease; }
.transition-slow { transition: all 0.35s ease; }

.hover-lift {
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
}

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

.hover-scale {
    transition: transform 0.22s ease;
}

.hover-scale:hover {
    transform: scale(1.03);
}

.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 22px;
    height: 22px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .spinner,
    .spinner-lg,
    .spinner-sm {
        animation: spin 2s linear infinite !important;
        animation-iteration-count: infinite !important;
    }
}