/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */

/* --- Scroll Reveal --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
    transition-delay: var(--delay, 0ms);
}
.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Fade In --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* --- Scale --- */
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* --- Pulse Ring (order status) --- */
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(255, 128, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 128, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 128, 0, 0); }
}

/* --- Cart Bounce --- */
@keyframes cartBounce {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(0.95); }
    75% { transform: scale(1.1); }
}
.cart-bounce {
    animation: cartBounce 0.5s var(--ease-smooth);
}

/* --- Slide animations --- */
@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}
@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}
@keyframes slideInUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* --- Shimmer / Loading --- */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
.shimmer {
    background: linear-gradient(90deg,
        rgba(255,255,255,0.03) 25%,
        rgba(255,255,255,0.08) 50%,
        rgba(255,255,255,0.03) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease infinite;
}

/* --- Success Check --- */
@keyframes successCheck {
    0% { transform: scale(0) rotate(45deg); opacity: 0; }
    50% { transform: scale(1.2) rotate(0deg); opacity: 1; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
.success-anim {
    animation: successCheck 0.6s var(--ease-smooth) forwards;
}

/* --- Tab switch --- */
.tab-panel {
    animation: fadeIn 0.3s ease;
}

/* --- Hover interactivity --- */
.product-card { will-change: transform; }
.category-card { will-change: transform; }
.btn { will-change: transform; }

/* --- Search Loading Pulse --- */
@keyframes searchPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}
.search-loading {
    animation: searchPulse 1s ease infinite;
}

/* --- Dot Indicator for Bottom Nav --- */
@keyframes dotPop {
    0% { transform: scale(0); }
    60% { transform: scale(1.3); }
    100% { transform: scale(1); }
}
.bottom-nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    animation: dotPop 0.3s var(--ease-smooth);
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
}