.register-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #1D61E7, #0A2472);
}

.register-card {
    width: 100%;
    max-width: 500px;
    padding: 32px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.1);
    margin: 20px 0;
}

.register-header {
    text-align: center;
    margin-bottom: 24px;
}

.register-header h1 {
    color: #1D61E7;
    font-size: 28px;
    margin-bottom: 8px;
}

.register-subtitle {
    color: #666;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.password-hint {
    color: #666;
    font-size: 12px;
    font-weight: normal;
}

.input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e1e1;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.input:focus {
    border-color: #1D61E7;
    outline: none;
}

#errorMessage, #kvkkError {
    color: #ff4444;
    font-size: 14px;
    margin-top: 8px;
    display: none;
    background: #fff1f1;
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid #ffdddd;
}

.price-summary {
    background: #f8f9fa;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    text-align: center;
}

.price-info {
    color: #333;
    font-size: 14px;
}

.price-info span {
    color: #444;
    font-weight: 500;
}

.price-info strong {
    color: #1D61E7;
    font-size: 24px;
}

.price-note {
    color: #666;
    font-size: 13px;
}

.submit-button {
    width: 100%;
    padding: 14px;
    background: #1D61E7;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.submit-button:hover {
    background: #174bb5;
}

.error-message {
    color: #d63031;
    background: #fff2f2;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
}

.form-footer {
    text-align: center;
    margin-top: 24px;
    color: #666;
}

.form-footer a {
    color: #1D61E7;
    text-decoration: none;
    font-weight: 500;
}

.kvkk-group {
    margin-bottom: 16px;
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.checkbox-input {
    display: none; /* Gerçek checkbox'ı gizle */
}

.checkbox-label {
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-custom {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #1D61E7;
    border-radius: 4px;
    position: relative;
    background: white;
    transition: all 0.2s;
}

.checkbox-input:checked + .checkbox-label .checkbox-custom {
    background: #1D61E7;
}

.checkbox-input:checked + .checkbox-label .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.kvkk-text {
    font-size: 14px;
    color: #333;
    line-height: 1.4;
    flex: 1;
}

.kvkk-button {
    color: #1D61E7;
    background: none;
    border: none;
    text-decoration: underline;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    font-family: inherit;
}

.kvkk-button:hover {
    color: #174bb5;
}

/* Modal stiller */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    overflow-y: auto;
}

.modal-content {
    background-color: #fefefe;
    margin: 2% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #e1e1e1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: #1D61E7;
    font-size: 20px;
}

.close-button {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
}

.modal-body {
    padding: 20px;
    line-height: 1.6;
}

.modal-body h3 {
    color: #1D61E7;
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 16px;
}

.modal-body h4 {
    color: #333;
    margin-top: 16px;
    margin-bottom: 8px;
    font-size: 14px;
}

.modal-body p {
    margin-bottom: 12px;
    color: #444;
}

.modal-body ul {
    margin-bottom: 16px;
}

.modal-body li {
    margin-bottom: 8px;
    font-size: 14px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #e1e1e1;
    text-align: right;
}

.modal-button {
    background: #1D61E7;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}

.welcome-content {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 16px;
}

.welcome-content h3 {
    color: #1D61E7;
    margin: 24px 0 12px;
    font-size: 18px;
}

.welcome-content ul {
    margin: 0 0 16px 20px;
    color: #444;
}

.welcome-content li {
    margin-bottom: 8px;
}

.welcome-content .note {
    background: #f8f9fa;
    padding: 16px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 14px;
}

.success-content {
    text-align: center;
}

.success-content p {
    margin-bottom: 16px;
    color: #333;
    font-size: 15px;
}

.success-content ol {
    text-align: left;
    margin: 16px 0;
}

/* Tablet için */
@media (max-width: 768px) {
    .register-container {
        padding: 16px;
    }
    
    .register-card {
        padding: 24px;
        max-width: 100%;
        margin: 10px 0;
    }
    
    .register-header h1 {
        font-size: 24px;
    }
    
    .input {
        font-size: 16px; /* iOS zoom önleme */
        padding: 12px;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
    }
    
    .modal-header {
        padding: 16px;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .modal-footer {
        padding: 16px;
    }
}

/* Mobil için */
@media (max-width: 480px) {
    .register-container {
        padding: 12px;
    }
    
    .register-card {
        padding: 20px;
        margin: 5px 0;
    }
    
    .register-header h1 {
        font-size: 22px;
    }
    
    .register-subtitle {
        font-size: 13px;
    }
    
    .input {
        padding: 14px 12px; /* Touch-friendly */
        font-size: 16px;
    }
    
    .submit-button {
        padding: 16px;
        font-size: 16px;
    }
    
    .kvkk-text {
        font-size: 13px;
    }
    
    .price-summary {
        padding: 12px;
    }
    
    .price-info {
        font-size: 13px;
    }
    
    .modal-content {
        width: 98%;
        margin: 2% auto;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 12px;
    }
    
    .modal-header h2 {
        font-size: 18px;
    }
    
    .modal-body {
        padding: 12px;
        font-size: 14px;
    }
    
    .modal-body h3 {
        font-size: 15px;
    }
    
    .modal-body h4 {
        font-size: 13px;
    }
    
    .modal-body li {
        font-size: 13px;
    }
    
    .modal-footer {
        padding: 12px;
    }
    
    .checkbox-wrapper {
        gap: 6px;
    }
    
    .checkbox-input {
        width: 14px;
        height: 14px;
        min-width: 14px;
    }
}

/* Çok küçük ekranlar */
@media (max-width: 320px) {
    .register-card {
        padding: 16px;
    }
    
    .register-header h1 {
        font-size: 20px;
    }
    
    .input {
        padding: 12px 10px;
    }
    
    .modal-content {
        width: 100%;
        height: 100%;
        margin: 0;
        border-radius: 0;
    }
}