/**
 * ANIMATIONS - Всі @keyframes анімації
 * Консолідовано з різних component файлів для уникнення дублікатів
 * Оновлено: використання CSS custom properties для duration
 */

/* === FADE ANIMATIONS === */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === SLIDE ANIMATIONS === */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutLeft {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(-100%);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpFade {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* === UTILITY ANIMATIONS === */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* === ADDITIONAL ANIMATIONS === */
@keyframes typing {

    0%,
    60%,
    100% {
        opacity: 0.3;
        transform: translateY(0);
    }

    30% {
        opacity: 1;
        transform: translateY(-10px);
    }
}

/* === HELPER CLASSES === */
.animate-fade-in {
    animation: fadeIn var(--transition-base, 0.3s) ease;
}

.animate-fade-out {
    animation: fadeOut var(--transition-base, 0.3s) ease;
}

.animate-slide-in-right {
    animation: slideInRight var(--transition-base, 0.3s) ease;
}

.animate-slide-out-right {
    animation: slideOutRight var(--transition-base, 0.3s) ease;
}

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

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

.animate-fade-in-up {
    animation: fadeInUp var(--transition-base, 0.3s) ease;
}

.animate-typing {
    animation: typing 1.4s infinite ease-in-out;
}

/* will-change додаємо тільки перед анімацією через JS */

/* === REDUCED MOTION SUPPORT === */
@media (prefers-reduced-motion: reduce) {

    .animate-fade-in,
    .animate-fade-out,
    .animate-slide-in-right,
    .animate-slide-out-right,
    .animate-spin {
        animation: none;
    }
}