/* Smart Cart Icon Styles */
.cart-badge.firebase-data {
    background: linear-gradient(45deg, #4285f4, #0f9d58) !important;
    box-shadow: 0 0 10px rgba(66, 133, 244, 0.3);
    animation: firebase-pulse 2s infinite;
}

.cart-badge.local-data {
    background: linear-gradient(45deg, #ff6b6b, #ffa500) !important;
    box-shadow: 0 0 10px rgba(255, 107, 107, 0.3);
}

.fas.fa-shopping-cart.firebase-data {
    color: #4285f4 !important;
    filter: drop-shadow(0 0 3px rgba(66, 133, 244, 0.5));
}

.fas.fa-shopping-cart.local-data {
    color: #ff6b6b !important;
    filter: drop-shadow(0 0 3px rgba(255, 107, 107, 0.5));
}

@keyframes firebase-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(66, 133, 244, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 15px rgba(66, 133, 244, 0.6);
    }
}

/* Cart Icon Wrapper Enhanced */
.cart-icon-wrapper {
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cart-icon-wrapper:hover {
    transform: scale(1.1);
}

/* Data Source Indicator */
.cart-icon-wrapper::after {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cart-icon-wrapper.has-firebase-data::after {
    background: #4285f4;
    opacity: 1;
    animation: firebase-indicator 2s infinite;
}

.cart-icon-wrapper.has-local-data::after {
    background: #ff6b6b;
    opacity: 1;
}

@keyframes firebase-indicator {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Mobile Cart Count Enhanced */
#mobileCartCount.firebase-data {
    color: #4285f4;
    font-weight: bold;
}

#mobileCartCount.local-data {
    color: #ff6b6b;
    font-weight: bold;
}

/* Tooltip for Cart State */
.cart-state-tooltip {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.cart-icon-wrapper:hover .cart-state-tooltip {
    opacity: 1;
}

.cart-state-tooltip::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-bottom-color: rgba(0, 0, 0, 0.8);
}