/* --- Cart Page Styles (cart.css) --- */

.cart-container {
    max-width: 1000px;
    margin: 120px auto 80px;
    padding: 0 20px;
    color: var(--color-600);
}

.cart-header {
    text-align: center;
    margin-top: 120px;
    margin-bottom: 60px;
}

.cart-header h2 {
    font-size: var(--fz-h2);
    font-family: var(--font-secondary);
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--color-200);
    display: inline-block;
    padding-bottom: 10px;
}
.back-to-products-page{
    margin-bottom: 40px;
    margin-left: auto;
    margin-right: 0;
    border: 1px solid var(--color-600);
    display: block;         /* ブロック要素にする */
    width: fit-content;     /* 幅を中身（文字）に合わせる */
    padding: 8px 24px;
    position: relative;
    overflow: hidden;

}
.back-to-products-page a{
    text-decoration: none;
    color: var(--color-600);
    font-size: var(--fz-m);
}
/* --- Cart Layout --- */
.cart-layout {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

@media (min-width: 900px) {
    .cart-layout {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .cart-main {
        flex: 1;
    }
    
    .cart-summary {
        width: 320px;
        position: sticky;
        top: 40px;
    }
}

/* --- Cart Items --- */
.cart-items {
    border-top: 1px solid var(--color-200);
}

.cart-item {
    display: flex;
    padding: 24px 0;
    border-bottom: 1px solid var(--color-200);
    gap: 20px;
    align-items: center;
}

.cart-item__image {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

.cart-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item__details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cart-item__name {
    font-size: var(--fz-m);
    font-weight: bold;
    color: var(--color-600);
    text-decoration: none;
}

.cart-item__price {
    font-size: var(--fz-s);
}

/* --- Quantity Selector --- */
.cart-item__quantity {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cart-quantity-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid #888;
    height: 36px;
    width: 120px; 
    padding: 0 5px;
}

.cart-quantity-controls button {
    background: none;
    border: none;
    width: 30px;
    height: 100%;
    cursor: pointer;
    font-size: 16px;
}

.cart-quantity-input {
    width: 40px;
    text-align: center;
    border: none;
    background: transparent;
    font-size: 14px;
    appearance: none;
    -moz-appearance: textfield;
}

.cart-quantity-input::-webkit-outer-spin-button,
.cart-quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cart-item__remove {
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    font-size: 14px;
    text-decoration: underline;
    padding: 0;
}

.cart-item__remove:hover {
    color: #333;
}

.cart-item__total {
    font-weight: bold;
    min-width: 80px;
    text-align: right;
}

/* --- Summary --- */
.cart-summary {
    background-color: var(--color-100);
    padding: 24px;
    border-radius: 4px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: var(--fz-s);
}

.summary-row.total {
    border-top: 1px solid var(--color-200);
    padding-top: 16px;
    font-weight: bold;
    font-size: var(--fz-m);
}

.shipping-note {
    font-size: 11px;
    color: #666;
    margin-top: 8px;
    line-height: 1.4;
}

.checkout-btn {
    display: block;
    width: 100%;
    background-color: var(--color-600);
    color: #fff;
    text-align: center;
    padding: 16px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 24px;
    transition: opacity 0.3s;
}

.checkout-btn:hover {
    opacity: 0.9;
}

/* --- Empty State --- */
.empty-cart-message {
    text-align: center;
    padding: 100px 0;
}

.empty-cart-message p {
    margin-bottom: 30px;
}

.continue-shopping {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid var(--color-600);
    color: var(--color-600);
    text-decoration: none;
    transition: all 0.3s;
}

.continue-shopping:hover {
    background-color: var(--color-600);
    color: #fff;
}

/* --- Mobile Adjustments --- */
@media (max-width: 600px) {
    .cart-item {
        flex-wrap: wrap;
    }
    
    .cart-item__details {
        width: calc(100% - 120px);
    }
    
    .cart-item__quantity-wrap {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 10px;
    }
    
    .cart-item__total {
        text-align: right;
    }
}


/* /////////////////////////////////////////// */
/* /////////// Demo Thanks Page ////////////// */
/* /////////////////////////////////////////// */

/* thanks-pageクラスがある時のみ適用されるようにスコープを制限 */
.thanks-page .thanks-container {
    display: flex;     
    flex-direction: column;      
    justify-content: center;  
    align-items: center;      
    width: 100vw;            
    height: 100vh;           
}

.thanks-page .thanks-header {
    margin-bottom: 40px;
}

.thanks-page .thanks-header h2 {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: 0.2em;
    color: var(--color-600);
    margin-bottom: 20px;
}

.thanks-page .thanks-message {
    font-size: var(--fz-m);
    display: inline-block;
    text-align: center;
    line-height: 2;
    color: var(--color-600);
}

.thanks-page .thanks-message p {
    margin-bottom: 10px;
}

.thanks-page .thanks-actions {
    margin-top: 40px;
}

.thanks-page .btn-back-home {
    display: inline-block;
    padding: 16px 48px;
    border: 1px solid var(--color-600);
    color: var(--color-600);
    text-decoration: none;
    font-size: var(--fz-s);
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    background: transparent;
}

.thanks-page .btn-back-home:hover {
    background-color: var(--color-600);
    color: #fff;
}

@media (max-width: 600px) {
    .thanks-page .thanks-container {
        padding: 80px 20px;
    }
    
    .thanks-page .thanks-header h2 {
        font-size: 2rem;
    }
}