/* ================================
   CHECKOUT PAGE — Premium Design
   ================================ */

.checkout-page {
    padding: 120px 0 80px;
    min-height: 100vh;
    background: var(--bg-light);
}

.checkout-page h1 {
    font-size: 2rem;
    margin-bottom: 32px;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 28px;
    align-items: start;
}

.checkout-section {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-light);
}

.checkout-section h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.02rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.section-icon { width: 20px; height: 20px; color: var(--primary); }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group-wide { grid-column: span 2; }

.checkout-section .form-group { margin-bottom: 16px; }

.checkout-section .form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.checkout-section .form-group input,
.checkout-section .form-group textarea {
    width: 100%;
    padding: 13px 18px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    color: var(--text-dark);
    transition: var(--transition);
    background: var(--bg-white);
}

.checkout-section .form-group input:focus,
.checkout-section .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.checkout-notice {
    display: flex;
    gap: 12px;
    padding: 16px 18px;
    background: var(--primary-glow);
    border-radius: var(--radius-sm);
    margin: 24px 0;
    align-items: flex-start;
    border: 1px solid rgba(45, 122, 58, 0.08);
}

.notice-icon { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.checkout-notice p { font-size: 0.85rem; color: var(--text-body); line-height: 1.5; }

.btn-pay {
    padding: 17px 32px;
    font-size: 1.02rem;
    margin-top: 8px;
}

.payment-note {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    margin-top: 14px;
    font-size: 0.76rem;
    color: var(--text-light);
}

.tiny-icon { width: 14px; height: 14px; }

/* Summary Card */
.summary-card {
    position: sticky;
    top: 100px;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
}

.summary-item-img {
    width: 58px;
    height: 58px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: var(--bg-light);
}

.summary-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.summary-item-name {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-dark);
}

.summary-item-qty {
    font-size: 0.8rem;
    color: var(--text-light);
}

.summary-item-total {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.summary-totals { padding-top: 16px; }

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 0.9rem;
}

.summary-total {
    border-top: 2px solid var(--text-dark);
    margin-top: 8px;
    padding-top: 14px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.shipping-free {
    color: var(--primary);
    font-weight: 600;
}

.edit-cart-link {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
    margin-top: 22px;
    font-size: 0.8rem;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.edit-cart-link:hover { color: var(--primary); }

/* Back button */
.btn-outline-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--text-body);
    border: 1.5px solid var(--border);
    transition: var(--transition);
}

.btn-outline-back:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-glow);
}

/* Order Status */
.order-status {
    text-align: center;
    padding: 80px 24px;
    max-width: 500px;
    margin: 0 auto;
}

.status-icon { margin-bottom: 24px; }

.order-status h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.order-status > p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.status-order-info {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 22px;
    margin-top: 16px;
    box-shadow: var(--shadow-sm);
}

.status-order-info p {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

/* Empty state */
.checkout-empty {
    text-align: center;
    padding: 80px 24px;
}

.empty-icon {
    width: 64px;
    height: 64px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.checkout-empty h2 { margin-bottom: 12px; }
.checkout-empty p { color: var(--text-light); margin-bottom: 24px; }

/* Spinner */
.spinner { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ================================
   RESPONSIVE
   ================================ */

/* iPad */
@media (max-width: 1024px) {
    .checkout-grid {
        grid-template-columns: 1.2fr 1fr;
        gap: 22px;
    }
    .checkout-section { padding: 28px; }
}

/* Tablet */
@media (max-width: 768px) {
    .checkout-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .form-group-wide { grid-column: span 1; }
    .summary-card { position: static; }

    .checkout-page { padding: 100px 0 40px; }
    .checkout-page h1 { font-size: 1.65rem; }
    .checkout-section { padding: 24px; border-radius: var(--radius-lg); }
    .checkout-section h3 { font-size: 0.95rem; }

    .btn-pay { padding: 16px 28px; font-size: 0.98rem; min-height: 52px; }

    .summary-item-img { width: 52px; height: 52px; }

    .btn-outline-back { padding: 10px 18px; font-size: 0.82rem; min-height: 44px; }

    .checkout-section .form-group input,
    .checkout-section .form-group textarea {
        padding: 14px 16px;
        font-size: 16px; /* prevents iOS zoom */
    }
}

/* Small phones */
@media (max-width: 480px) {
    .checkout-page { padding: 95px 0 32px; }
    .checkout-page h1 { font-size: 1.45rem; margin-bottom: 22px; }
    .checkout-section { padding: 20px; }

    .checkout-notice { padding: 14px; }
    .checkout-notice p { font-size: 0.82rem; }

    .order-status { padding: 44px 18px; }
    .order-status h2 { font-size: 1.45rem; }

    .checkout-empty { padding: 44px 18px; }
}

/* Safe area */
@supports (padding: env(safe-area-inset-bottom)) {
    .checkout-page { padding-bottom: calc(32px + env(safe-area-inset-bottom)); }
}