:root {
    --primary-color: #ff4a11;
    --primary-dark: #e03d0e;
    --secondary-color: #000b45;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --bg-color: #f9fafb;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #001a6b 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-color);
    position: relative;
}

/* Language Selector */
.sale-language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.sale-language-selector .home-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(255, 74, 17, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sale-language-selector .home-btn:hover {
    background: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(255, 74, 17, 0.2);
    transform: translateY(-2px);
}

.sale-language-selector .home-btn i {
    font-size: 16px;
}

.sale-language-selector .language-dropdown {
    position: relative;
}

.sale-language-selector .language-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(255, 74, 17, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sale-language-selector .language-btn:hover {
    background: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(255, 74, 17, 0.2);
    transform: translateY(-2px);
}

.sale-language-selector .language-btn .language-flag {
    font-size: 18px;
}

.sale-language-selector .language-btn .language-code {
    font-weight: 700;
    min-width: 25px;
}

.sale-language-selector .language-btn i {
    font-size: 10px;
    transition: transform 0.3s ease;
    margin-left: 4px;
}

.sale-language-selector .language-dropdown.active .language-btn i {
    transform: rotate(180deg);
}

.sale-language-selector .language-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    min-width: 150px;
    overflow: hidden;
    display: none;
    z-index: 1001;
}

.sale-language-selector .language-dropdown.active .language-menu {
    display: block;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sale-language-selector .language-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.sale-language-selector .language-option:last-child {
    border-bottom: none;
}

.sale-language-selector .language-option:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

.sale-language-selector .language-option.active {
    background: rgba(255, 74, 17, 0.1);
    color: var(--primary-color);
    font-weight: 600;
}

.sale-language-selector .language-option .language-flag {
    font-size: 20px;
}

@media (max-width: 768px) {
    .sale-language-selector {
        top: 10px;
        right: 10px;
        flex-direction: column;
        gap: 8px;
    }
    
    .sale-language-selector .language-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .sale-language-selector .language-btn .language-code {
        display: none;
    }
    
    .sale-language-selector .home-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .sale-language-selector .home-btn span {
        display: none;
    }
}

.sale-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: calc(100vh - 40px);
    padding: 20px;
}

.sale-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    width: 100%;
    max-width: 1400px;
    align-items: stretch;
}

/* Sol Taraf: Güven Bölümü */
.sale-sidebar {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    position: sticky;
    top: 20px;
    display: flex;
    flex-direction: column;
    height: fit-content;
    min-height: 100%;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
    flex: 1;
}

/* Site Logosu */
.site-logo-container {
    text-align: center;
    margin-bottom: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease-in;
}

.site-logo {
    max-width: 150px;
    max-height: 80px;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    margin: 0 auto;
}

/* Site Başlığı */
.site-title {
    font-size: 28px;
    color: var(--secondary-color);
    margin: 0 0 20px 0;
    font-weight: 700;
    text-align: center;
    transition: opacity 0.3s ease-in;
}

/* Ürün Açıklaması */
.package-description {
    padding: 20px;
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 10px;
}

.package-description-title {
    font-size: 18px;
    color: var(--secondary-color);
    margin: 0 0 10px 0;
    font-weight: 600;
}

.package-description p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* Güven Metinleri Bölümü */
.security-section {
    margin-top: 20px;
}

.security-messages {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.security-message-item {
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
}

.security-message-title {
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 16px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.security-message-title i {
    color: var(--success-color);
    font-size: 18px;
}

.security-message-text {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 14px;
    margin: 0;
}

/* Sağ Taraf: Form Bölümü */
.sale-main {
    display: flex;
    justify-content: center;
    height: 100%;
}

.sale-modal {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Ödeme Başlığı */
.payment-header {
    padding: 30px 40px 20px 40px;
    border-bottom: 2px solid var(--border-color);
    background: #ff4a11;
    color: var(--white);
    margin-bottom: 0;
    text-align: center;
}

.payment-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 15px 0;
    color: var(--white);
}

.package-name {
    font-size: 20px;
    margin: 0;
    opacity: 0.95;
    font-weight: 700;
    text-align: center;
}

/* Progress Bar */
.progress-bar {
    height: 4px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transition: width 0.3s ease;
    width: 0%;
    box-shadow: 0 0 10px rgba(255, 74, 17, 0.5);
}

/* Steps */
.sale-step {
    display: none;
    padding: 40px;
    animation: fadeIn 0.3s ease;
    flex: 1;
    overflow-y: auto;
}

.sale-step.active {
    display: flex;
    flex-direction: column;
}

.customer-form {
    display: flex;
    flex-direction: column;
    flex: 1;
    height: 100%;
}

.fields-container {
    flex: 1;
    overflow-y: auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Step 1: Package Info */
.step-header {
    text-align: center;
    margin-bottom: 30px;
}

.package-image-container {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.package-logo {
    width: auto;
    max-width: 250px;
    max-height: 120px;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
    display: block;
}

.package-image {
    width: 100%;
    max-width: 300px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.package-image-placeholder {
    width: 100%;
    max-width: 300px;
    height: 200px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--text-light);
    font-size: 48px;
}

.package-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-color);
    margin-top: 20px;
}

/* Form */
.customer-form {
    margin-top: 30px;
}

.fields-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 14px;
}

.form-control {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.2s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 30px;
}

.form-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Contracts Step */
.contract-container {
    text-align: center;
}

.contract-header {
    margin-bottom: 30px;
}

.contract-header h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

.contract-progress {
    color: var(--text-light);
    font-size: 14px;
}

.contract-content {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    text-align: left;
    max-height: 400px;
    overflow-y: auto;
    line-height: 1.8;
}

.contract-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contract-buttons {
    display: flex;
    gap: 10px;
    justify-content: space-between;
}

.contract-buttons .btn {
    flex: 1;
}

.contract-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
    transition: background 0.2s;
}

.contract-checkbox:hover {
    background: var(--border-color);
}

.contract-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.contract-checkbox span {
    font-size: 14px;
    color: var(--text-color);
}

/* Payment Summary */
.summary-container {
    padding: 20px 0;
}

.summary-title {
    font-size: 24px;
    margin-bottom: 30px;
    text-align: center;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 16px;
}

.summary-item span:first-child {
    color: var(--text-light);
}

.summary-item span:last-child {
    font-weight: 600;
    color: var(--text-color);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    margin-top: 10px;
    border-top: 2px solid var(--text-color);
    font-size: 20px;
    font-weight: 700;
}

.extra-fees-container {
    margin: 10px 0;
}

/* Payment Step */
.payment-container {
    padding: 20px 0;
}

.card-info-notice {
    background: #fff3e0;
    border: 2px solid #ff9800;
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 25px;
    text-align: center;
    color: #e65100;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.card-info-notice i {
    font-size: 18px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

.payment-title {
    font-size: 24px;
    margin-bottom: 30px;
    text-align: center;
}

.payment-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.payment-total {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    font-size: 20px;
    font-weight: 700;
    margin: 20px 0;
}

/* Success/Error Steps */
.success-container,
.error-container {
    text-align: center;
    padding: 60px 40px;
}

.success-icon,
.error-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.success-icon {
    color: var(--success-color);
}

.error-icon {
    color: var(--danger-color);
}

.success-title,
.error-title {
    font-size: 28px;
    margin-bottom: 15px;
}

.success-message,
.error-message {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 20px;
}

.success-congratulations {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    text-align: left;
    max-height: 400px;
    overflow-y: auto;
}

.success-congratulations h1,
.success-congratulations h2,
.success-congratulations h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.success-order-info {
    margin-top: 20px;
}

.success-total-amount {
    background: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--success-color);
}

.success-total-amount strong {
    color: var(--text-color);
    margin-right: 10px;
}

.success-total-amount span {
    color: var(--success-color);
    font-size: 18px;
}

.success-order-id,
.success-payment-intent-id {
    background: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
    font-size: 14px;
}

.success-order-id strong,
.success-payment-intent-id strong {
    color: var(--text-color);
}

.success-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

.success-actions .btn {
    min-width: 200px;
}

/* Loading State */
.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sale-layout {
        grid-template-columns: 1fr;
        align-items: stretch;
    }
    
    .sale-sidebar {
        position: relative;
        top: 0;
        margin-bottom: 20px;
        min-height: auto;
    }
    
    .sale-modal {
        height: auto;
    }
    
    .security-section {
        grid-template-columns: 1fr;
    }
    
    .payment-header {
        padding: 20px 30px 15px 30px;
    }
    
    .payment-title {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 5px;
    }
    
    .sale-container {
        padding: 10px 5px;
    }
    
    .sale-layout {
        gap: 15px;
    }
    
    .sale-sidebar {
        padding: 25px 20px;
    }
    
    .sale-modal {
        max-width: 100%;
    }
    
    .sale-step {
        padding: 25px 15px;
    }
    
    .payment-header {
        padding: 20px 15px 15px 15px;
    }
    
    .payment-title {
        font-size: 22px;
    }
    
    .package-name {
        font-size: 16px;
    }
    
    .site-title {
        font-size: 24px;
    }
    
    .site-logo {
        max-width: 120px;
        max-height: 60px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .card-info-notice {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .security-section {
        margin-top: 15px;
    }
    
    .security-title {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .security-messages {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .security-message-item {
        padding: 12px;
    }
    
    .security-message-title {
        font-size: 15px;
    }
    
    .security-message-text {
        font-size: 13px;
    }
}


/* Demo Card Form Styles */
.demo-card-form {
    padding: 20px;
    background: #f9fafb;
    border-radius: 8px;
    border: 2px solid #e5e7eb;
}

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

.demo-card-form .form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #374151;
    font-size: 14px;
}

.demo-card-form .form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 16px;
    font-family: monospace;
}

.demo-card-form .form-row {
    display: flex;
    gap: 15px;
}

.demo-card-form .demo-note {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    border-radius: 8px;
    padding: 12px;
    margin-top: 15px;
}

.demo-card-form .demo-note p {
    color: #2e7d32;
    font-size: 13px;
    font-weight: 500;
    margin: 0;
    text-align: center;
}