/* 0. RESET */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    font-family: var(--dk-font-body);
    -webkit-font-smoothing: antialiased;
    background-color: var(--dk-secondary);
    color: var(--dk-text);
    width: 100%;
    overflow-x: hidden;
}

/* 1. TOP BAR */
.checkout-top-bar {
    background-color: var(--dk-primary);
    color: var(--dk-white);
    padding: 8px 0;
    font-size: 11px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 500;
}

.top-bar-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.top-bar-content i {
    font-size: 12px;
    color: var(--dk-accent);
}

/* 2. HEADER */
.custom-minimal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--dk-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-link {
    text-decoration: none;
    color: var(--dk-text);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    transition: var(--dk-transition);
}

.nav-link:hover {
    color: var(--dk-accent);
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -1px;
    text-transform: uppercase;
    color: var(--dk-primary);
    text-decoration: none;
    font-family: var(--dk-font-heading);
}

/* 3. MAIN CONTAINER */
#checkout-main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.checkout-modern-header {
    padding-top: 30px;
    margin-bottom: 20px;
}

.checkout-modern-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dk-primary);
    margin: 0 0 15px 0;
    font-family: var(--dk-font-heading);
}

.full-width-form-border {
    height: 1px;
    background: var(--dk-border);
    width: 100%;
}

/* 4. GRID LAYOUT */
.checkout-grid-modern {
    display: grid;
    grid-template-columns: 63% 37%;
    gap: 50px;
    align-items: start;
}

.checkout-form-column {
    order: 1;
    min-width: 0;
}

.order-summary-column {
    order: 2;
    position: sticky;
    top: 80px;
}

/* 5. FORM */
.checkout-section-card {
    background: var(--dk-white);
    border: 1px solid var(--dk-border);
    border-radius: var(--dk-radius);
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: var(--dk-shadow);
    transition: var(--dk-transition);
}

.checkout-section-card:hover {
    box-shadow: var(--dk-shadow-lg);
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dk-primary);
    font-family: var(--dk-font-heading);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--dk-accent);
    color: var(--dk-white);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    font-family: var(--dk-font-body);
}

.form-row-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
    color: var(--dk-text);
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--dk-border);
    border-radius: var(--dk-radius-sm);
    font-size: 16px;
    transition: var(--dk-transition);
    background: var(--dk-white);
    color: var(--dk-text);
    font-family: var(--dk-font-body);
}

.form-group input:focus {
    outline: none;
    border-color: var(--dk-accent);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.15);
}

.form-group input.input-error {
    border-color: #e54d42;
    background: #fff8f8;
}

.mb-15 { margin-bottom: 15px; }
.mt-20 { margin-top: 20px; }

/* Checkbox */
.terms-acceptance {
    margin-top: 20px;
}

.custom-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--dk-text-light);
}

.custom-checkbox input {
    margin-top: 2px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--dk-accent);
}

.terms-text a {
    color: var(--dk-accent);
    text-decoration: underline;
    font-weight: 600;
    transition: var(--dk-transition);
}

.terms-text a:hover {
    color: var(--dk-accent-hover);
}

/* ==========================================
   ÖDEME BÖLÜMÜ - YATAY DÜZEN
   ========================================== */

#payment-section {
    transition: var(--dk-transition);
}

.payment-desc {
    font-size: 14px;
    color: var(--dk-text-light);
    margin-bottom: 20px;
    line-height: 1.5;
}

#payment-element {
    margin-top: 10px;
    width: 100%;
}

#payment-element iframe {
    width: 100% !important;
}

#payment-element .StripeElement {
    width: 100%;
}

#payment-element [role="tablist"] {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
}

#payment-element [role="tab"] {
    flex: 1 !important;
    min-width: 120px !important;
    max-width: 200px !important;
}

/* Hata mesajları */
#card-errors,
#checkout-validation-error {
    color: #e54d42;
    font-size: 14px;
    font-weight: 500;
    margin-top: 10px;
    padding: 10px;
    background: #fff5f5;
    border-radius: var(--dk-radius-sm);
    display: none;
}

/* Buton */
.main-checkout-btn {
    width: 100%;
    padding: 16px;
    background: var(--dk-primary);
    color: var(--dk-white);
    border: none;
    border-radius: var(--dk-radius-sm);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    margin-top: 20px;
    transition: var(--dk-transition);
    font-family: var(--dk-font-body);
    letter-spacing: 0.5px;
}

.main-checkout-btn:hover {
    background: var(--dk-accent);
    transform: translateY(-2px);
    box-shadow: var(--dk-shadow);
}

.main-checkout-btn:disabled,
.main-checkout-btn.btn-disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 6. ORDER SUMMARY */
.order-summary-box {
    background: var(--dk-white);
    border: 1px solid var(--dk-border);
    border-radius: var(--dk-radius);
    overflow: hidden;
    box-shadow: var(--dk-shadow);
}

.summary-title {
    font-size: 1.1rem;
    font-weight: 700;
    padding: 16px 20px;
    border-bottom: 1px solid var(--dk-border);
    background: var(--dk-secondary);
    color: #000;
    font-family: var(--dk-font-heading);
}

.summary-product-list {
    padding: 0 20px;
    max-height: 400px;
    overflow-y: auto;
}

/* Urun Karti */
.summary-item {
    display: flex;
    gap: 15px;
    padding: 20px 0;
    border-bottom: 1px solid var(--dk-border);
    align-items: flex-start;
}

.summary-item:last-child {
    border-bottom: none;
}

.item-thumb {
    width: 80px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--dk-radius-sm);
    flex-shrink: 0;
    background: var(--dk-secondary);
}

.item-details-wrapper {
    flex: 1;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    min-width: 0;
}

.item-info-left {
    flex: 1;
    min-width: 0;
}

.item-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--dk-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--dk-font-body);
}

.item-variant {
    font-size: 13px;
    color: var(--dk-text-light);
    margin-bottom: 12px;
}

/* Miktar Kontrolu */
.quantity-control {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--dk-border);
    border-radius: var(--dk-radius-sm);
    overflow: hidden;
    height: 32px;
}

.qty-btn {
    width: 32px;
    height: 32px;
    background: var(--dk-secondary);
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--dk-text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--dk-transition);
}

.qty-btn:hover {
    background: var(--dk-accent);
    color: var(--dk-white);
}

.qty-display {
    width: 40px;
    height: 32px;
    border: none;
    border-left: 1px solid var(--dk-border);
    border-right: 1px solid var(--dk-border);
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    background: var(--dk-white);
    outline: none;
    -moz-appearance: textfield;
    appearance: textfield;
    color: var(--dk-primary);
    font-family: var(--dk-font-body);
}

/* Sag Taraf - Fiyat & Sil */
.item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    min-width: 80px;
}

.item-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--dk-accent);
    white-space: nowrap;
}

.remove-btn {
    font-size: 12px;
    color: var(--dk-text-light);
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
    transition: var(--dk-transition);
}

.remove-btn:hover {
    color: #e54d42;
    text-decoration: none;
}

/* Toplam Alan */
.totals-area {
    padding: 12px 20px;
    background: var(--dk-secondary);
    border-top: 1px solid var(--dk-border);
    display: flex;
    flex-direction: column;
    gap: 0;
}

.total-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
    font-size: 0.9rem;
    margin-bottom: 0;
    color: #000;
}

.total-line span:first-child {
    color: #000;
    font-weight: 500;
}

.total-line span:last-child {
    font-weight: 600;
    color: #000;
}

/* Shipping */
.static-shipping-text {
    color: #000;
    font-weight: 600;
}

/* Subtotal */
#subtotal-display {
    color: #000;
    font-weight: 600;
}

.total-line[style*="color: #27ae60"] span:first-child,
#savings-display {
    color: #800020 !important;
    font-weight: 600;
}



/* Grand Total */
.total-line.grand-total {
    margin-top: 0;
    padding-top: 8px;
    border-top: 1px solid var(--dk-border);
    font-size: 1.1rem;
    font-weight: 700;
    color: #000;
}

.grand-total strong:first-child {
    color: #000;
    font-weight: 700;
}

#grand-total-display {
    font-size: 1.1rem;
    color: #000;
    font-family: var(--dk-font-heading);
}

/* inkl. moms - küçük not */
.moms-mini-text {
    font-size: 0.75em;
    color: #000;
    text-align: right;
    display: block;
    margin-top: 2px;
    font-weight: 400;
}

/* Total price wrapper düzeni */
.total-price-wrapper {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* 7. BOS SEPET */
#empty-cart-message-box {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 400px;
    padding: 40px 20px;
    gap: 20px;
    background: var(--dk-white);
    border-radius: var(--dk-radius);
    box-shadow: var(--dk-shadow);
}

#empty-cart-message-box h2 {
    font-size: 24px;
    color: var(--dk-primary);
    font-family: var(--dk-font-heading);
}

#empty-cart-message-box p {
    font-size: 16px;
    color: var(--dk-text-light);
}

#empty-cart-message-box a {
    display: inline-block;
    background: var(--dk-primary);
    color: var(--dk-white);
    padding: 15px 40px;
    border-radius: var(--dk-radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--dk-transition);
    font-family: var(--dk-font-body);
}

#empty-cart-message-box a:hover {
    background: var(--dk-accent);
    transform: translateY(-2px);
    box-shadow: var(--dk-shadow);
}

/* 8. FOOTER */
.custom-checkout-footer {
    background: var(--dk-secondary);
    padding: 40px 20px 30px;
    border-top: 1px solid var(--dk-border);
    margin-top: 50px;
}

.checkout-container {
    max-width: 900px;
    margin: 0 auto;
}

.checkout-info-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    max-width: 150px;
}

.info-item i {
    font-size: 24px;
    color: var(--dk-accent);
    margin-bottom: 10px;
}

.info-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--dk-primary);
    margin-bottom: 4px;
    font-family: var(--dk-font-heading);
}

.info-desc {
    font-size: 12px;
    color: var(--dk-text-light);
    line-height: 1.3;
}

.footer-divider {
    border: none;
    border-top: 1px solid var(--dk-border);
    margin: 20px 0;
}

.footer-help-section {
    text-align: center;
    margin: 20px 0;
}

.help-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--dk-primary);
    margin-bottom: 15px;
    font-family: var(--dk-font-heading);
}

.footer-btn-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-outline-btn {
    padding: 12px 25px;
    border: 1px solid var(--dk-border);
    border-radius: var(--dk-radius-sm);
    text-decoration: none;
    color: var(--dk-text);
    font-size: 13px;
    font-weight: 500;
    background: var(--dk-white);
    transition: var(--dk-transition);
    font-family: var(--dk-font-body);
}

.footer-outline-btn:hover {
    background: var(--dk-accent);
    border-color: var(--dk-accent);
    color: var(--dk-white);
    transform: translateY(-2px);
    box-shadow: var(--dk-shadow);
}

.footer-bottom-brand {
    text-align: center;
    margin-top: 30px;
}

.footer-text-logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--dk-primary);
    margin-bottom: 10px;
    font-family: var(--dk-font-heading);
}

.copyright {
    font-size: 12px;
    color: var(--dk-text-light);
    margin: 5px 0;
}

.experience-text {
    font-size: 11px;
    color: #bbb;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 9. RESPONSIVE */
@media (max-width: 1024px) {
    .checkout-grid-modern {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .order-summary-column {
        position: static;
        order: -1;
    }

    .checkout-modern-header h1 {
        font-size: 24px;
    }

    .custom-minimal-header {
        padding: 12px 15px;
    }

    .nav-link span {
        display: none;
    }

    .checkout-info-grid {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    #checkout-main-container {
        padding: 0 15px;
    }

    .checkout-section-card {
        padding: 20px;
        border-radius: var(--dk-radius-sm);
    }

    .form-row-split {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .summary-item {
        gap: 12px;
    }

    .item-thumb {
        width: 70px;
        height: 90px;
    }

    .item-name {
        font-size: 14px;
        max-width: 150px;
    }

    .checkout-info-grid {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }

    .footer-btn-group {
        flex-direction: column;
        align-items: center;
    }

    .footer-outline-btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 18px;
    }

    .checkout-modern-header h1 {
        font-size: 22px;
    }

    .section-title {
        font-size: 16px;
    }

    .main-checkout-btn {
        font-size: 15px;
        padding: 14px;
    }
}




@media (max-width: 768px) {
    /* 1. Grid yapısının dışa taşmasını kesin olarak engellemek için */
    .checkout-grid-modern {
        width: 100%;
        max-width: 100%;
        overflow: hidden; /* Dışarı sarkan elemanları kırpar */
    }

    /* 2. Stripe veya diğer form alanlarının sütunu sıkıştırmaması için */
    .checkout-form-column, 
    .order-summary-column {
        width: 100%;
        min-width: 0; /* Tarayıcıların varsayılan min-content zorlamasını kırar */
    }

    /* 3. Ödeme elementinin içindeki esnek butonların (Tab) mobilde taşmasını önlemek */
    #payment-element [role="tab"] {
        flex: 1 1 calc(50% - 8px) !important; /* Yan yana sığmıyorsa alt alta düzgünce kırar */
        max-width: 100% !important;
    }
}