:root {
    --c-bg:            #fff;
    --c-border:        #f0f0f0;
    --c-bg-image:      #f5f5f5;
    --c-text:          #333;
    --c-text-muted:    #888;
    --c-text-price:    #555;
    --c-text-muted-label: #999;
    --c-btn-border:    #ddd;
    --c-btn-bg:        #fff;
    --c-btn-hover-bg:  #f5f5f5;
    --c-select-bg:     #fff;
    --c-remove:        #b3261e;
}

@media (prefers-color-scheme: dark) {
    :root {
        --c-bg:            #222;
        --c-border:        rgba(255,255,255,0.1);
        --c-bg-image:      #2a2a2a;
        --c-text:          #eee;
        --c-text-muted:    #888;
        --c-text-price:    #bbb;
        --c-text-muted-label: #777;
        --c-btn-border:    rgba(255,255,255,0.2);
        --c-btn-bg:        #2a2a2a;
        --c-btn-hover-bg:  #3a3a3a;
        --c-select-bg:     #2a2a2a;
        --c-remove:        #e06c6c;
    }
}

.cart-container {
    max-width: 720px;
    margin: 20px auto 60px;
    padding: 0 20px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--c-border);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    background-color: var(--c-bg-image);
    flex-shrink: 0;
}

.cart-item-info {
    flex-grow: 1;
}

.cart-item-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.cart-item-variant {
    color: var(--c-text-muted);
    font-size: 0.9rem;
}

.cart-item-price {
    color: var(--c-text-price);
    margin-top: 4px;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--c-btn-border);
    border-radius: 6px;
    background-color: var(--c-btn-bg);
    color: var(--c-text);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
}

.qty-btn:hover {
    background-color: var(--c-btn-hover-bg);
}

.qty-value {
    min-width: 24px;
    text-align: center;
    font-weight: 600;
}

.cart-item-remove {
    background: transparent;
    border: none;
    color: var(--c-remove);
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 0 0 10px;
}

.cart-empty {
    text-align: center;
    color: var(--c-text-muted);
    padding: 60px 0;
}

.cart-empty a {
    color: var(--c-text);
    font-weight: 600;
}

.cart-subtotal {
    text-align: right;
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 20px;
}

.cart-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 20px;
    margin-top: 30px;
}

.cart-summary .purchase-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cart-summary .purchase-field label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--c-text-muted-label);
}

.cart-summary .purchase-field select {
    padding: 14px 18px;
    font-size: 1rem;
    border: 1px solid var(--c-btn-border);
    border-radius: 8px;
    background-color: var(--c-select-bg);
    color: var(--c-text);
    min-width: 220px;
}

.cart-summary .purchase-btn {
    display: inline-block;
    background-color: #7cdbfb;
    color: #000;
    padding: 20px 60px;
    font-size: 1.2rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-align: center;
    width: fit-content;
    transition: transform 0.2s, background 0.2s;
}

.cart-summary .purchase-btn:hover {
    background-color: #5ec4e8;
    transform: translateY(-2px);
}