/* ========================================
 * CART FLY ANIMATION — Анимация полёта в корзину
 * ======================================== */

.flying-product {
    will-change: transform, opacity, width, height, left, top;
    transition: none;
}

.flying-product--animate {
    transition: all 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Cart Bounce Effect */
.cart-btn {
    transition: transform 0.2s ease;
}

.cart-btn--bounce {
    animation: cartBounce 0.5s ease;
}

@keyframes cartBounce {
    0%   { transform: scale(1); }
    25%  { transform: scale(1.25); }
    50%  { transform: scale(0.95); }
    75%  { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Cart Count Badge */
.cart-btn__count.has-items {
    background-color: var(--color-accent, #FF6B35);
    color: #fff;
    animation: pulse 0.3s ease;
}

@keyframes pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ========================================
 * BUTTON STATES — Состояния кнопок корзины
 * ======================================== */

.p-card__btn-cart,
.product-actions__add-to-cart {
    position: relative;
    transition: all 0.3s ease;
}

/* Loading State */
.p-card__btn-cart.loading,
.product-actions__add-to-cart.loading {
    pointer-events: none;
    opacity: 0.85;
}

/* Spinner */
.btn-spinner {
    flex-shrink: 0;
    margin-right: 6px;
}

/* Success State */
.p-card__btn-cart.is-success,
.product-actions__add-to-cart.is-success {
    background-color: var(--color-primary, #2D5A27) !important;
    border-color: var(--color-primary, #2D5A27) !important;
    color: #fff !important;
}

/* ========================================
 * QUICK BUY BUTTON — Эффект при наведении
 * ======================================== */

.p-card__btn-quick-link,
.product-actions__quick-buy {
    position: relative;
    overflow: hidden;
}

.p-card__btn-quick-link::after,
.product-actions__quick-buy::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    pointer-events: none;
}

.p-card__btn-quick-link:hover::after,
.product-actions__quick-buy:hover::after {
    width: 300%;
    height: 300%;
}

/* ========================================
 * MOBILE OPTIMIZATIONS
 * ======================================== */

@media (max-width: 768px) {
    .flying-product--animate {
        transition-duration: 600ms;
    }
    
    @keyframes cartBounce {
        0%   { transform: scale(1); }
        50%  { transform: scale(1.15); }
        100% { transform: scale(1); }
    }
}

/* ========================================
 * BUTTON LOADING STATE
 * ======================================== */

.p-card__btn-cart.loading,
.product-actions__add-to-cart.loading {
    pointer-events: none;
    opacity: 0.8;
}

.p-card__btn-cart.loading svg,
.product-actions__add-to-cart.loading svg {
    animation: spin 1s linear infinite;
}

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

/* Success state */
.p-card__btn-cart.is-success,
.product-actions__add-to-cart.is-success {
    background-color: var(--color-primary, #2D5A27) !important;
    border-color: var(--color-primary, #2D5A27) !important;
    color: #fff !important;
}