/* ==========================================
   استایل‌های اختصاصی صفحه تسویه حساب (checkout.html)
   ========================================== */

.checkout-header-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkout-container {
    max-width: 1100px;
    width: 100%;
    margin: 1.5rem auto 3rem;
    padding: 0 1rem;
    box-sizing: border-box;
}

.checkout-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.25rem;
    align-items: start;
}

.step-section-title {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.summary-info-box {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.9rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--text-main);
}

/* ستون سمت چپ (سایدبار سبد خرید) */
.checkout-sidebar {
    position: sticky;
    top: 1rem;
}

.sidebar-title {
    font-size: 0.98rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.items-badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 20px;
    font-weight: 700;
}

.sidebar-cart-items {
    max-height: 280px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-left: 4px;
    margin-bottom: 1.2rem;
}

.sidebar-cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-page);
    padding: 0.65rem 0.8rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.sidebar-cart-item-title {
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 2px;
}

.sidebar-cart-item-qty {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sidebar-cart-item-price {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
}

.sidebar-totals {
    border-top: 1px dashed var(--border-color);
    padding-top: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.84rem;
}

.sidebar-total-row {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
}

.sidebar-total-row.discount-row {
    color: var(--secondary);
    font-weight: 700;
}

.sidebar-total-row.total-amount {
    font-size: 0.98rem;
    font-weight: 800;
    color: var(--text-main);
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: 0.3rem;
}

.sidebar-total-row.total-amount span:last-child {
    color: var(--primary);
}

.checkout-btn-submit {
    flex-grow: 1;
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(194, 65, 12, 0.25);
}

.checkout-btn-submit:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* رسپانسیو */
@media (max-width: 850px) {
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    .checkout-sidebar {
        position: static;
        order: -1;
    }
    .checkout-header-title {
        display: none;
    }
}

@media (max-width: 600px) {
    .checkout-container {
        margin-top: 1rem;
        padding: 0 0.6rem;
    }
    .checkout-card {
        padding: 1rem 0.85rem;
    }
}