/* ── Cart layout ──────────────────────────────────────────────────── */
.cart-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
    align-items: start;
}

@media (max-width: 768px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }
}

.cart-item {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}

@media (max-width: 500px) {
    .cart-item { flex-direction: column; }
}

.cart-item-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

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

.cart-item-name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cart-item-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cart-item-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.cart-item-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    flex-shrink: 0;
}

.cart-qty-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.35rem 0.75rem;
}

.cart-qty-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 0.25rem;
    line-height: 1;
    transition: color 0.2s;
}

.cart-qty-btn:hover { color: var(--accent-teal); }

.cart-qty-num {
    font-size: 1rem;
    font-weight: 600;
    min-width: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

.cart-shipping-note {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: rgba(0, 194, 178, 0.05);
    border: 1px solid rgba(0, 194, 178, 0.15);
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ── Summary ──────────────────────────────────────────────────────── */
.cart-summary,
.checkout-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    position: sticky;
    top: 5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-row:last-of-type { border-bottom: none; }

.summary-total {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    margin-top: 0.25rem;
}

/* ── Checkout form ────────────────────────────────────────────────── */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
    align-items: start;
}

@media (max-width: 768px) {
    .checkout-layout {
        grid-template-columns: 1fr;
    }
    .checkout-summary {
        position: static;
        order: -1;
    }
}

.checkout-form fieldset,
.form-section {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--bg-card);
}

.checkout-form legend,
.form-section legend {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 0 0.5rem;
}

.form-row {
    margin-bottom: 1rem;
}

.form-row.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 500px) {
    .form-row.two-col { grid-template-columns: 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.required {
    color: var(--accent-teal);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    padding: 0.7rem 0.9rem;
    transition: border-color 0.2s;
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 3px rgba(0, 194, 178, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.form-group select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.checkout-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    padding: 0.875rem 1.25rem;
    color: #fca5a5;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* ── Spinner ──────────────────────────────────────────────────────── */
.spinner.spinning {
    animation: spin 0.8s linear infinite;
}

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

/* ── Product page two-column layout ──────────────────────────────── */
.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}