/**
 * ShopUHIV - Animations & Transitions
 * Анимации, transitions и keyframes
 */

/* ────────────────────────────────────────────
   KEYFRAMES
   ──────────────────────────────────────────── */

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

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

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

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

@keyframes badge-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes dot-pulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

/* ────────────────────────────────────────────
   ANIMATION UTILITIES
   ──────────────────────────────────────────── */

.fade-in {
    animation: fadeIn var(--transition-base) ease-in;
}

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

.slide-up {
    animation: slideUp var(--transition-base) ease-out;
}

.slide-down {
    animation: slideDown var(--transition-base) ease-out;
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ────────────────────────────────────────────
   TRANSITION UTILITIES
   ──────────────────────────────────────────── */

.transition-all {
    transition: all var(--transition-base);
}

.transition-colors {
    transition-property: color, background-color, border-color;
    transition-duration: var(--transition-fast);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-transform {
    transition-property: transform;
    transition-duration: var(--transition-fast);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-opacity {
    transition-property: opacity;
    transition-duration: var(--transition-fast);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}