/* Register Page Styles */
:root {
    --primary-text: #1d1d1f;
    --secondary-text: #86868b;
    --border-color: #d2d2d7;
    --input-border: #d2d2d7;
    --input-border-focus: #0071e3;
    --button-primary: #0071e3;
    --button-primary-hover: #0077ed;
    --background-white: #fff;
    --background-light: #f5f5f7;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
  body {
    margin: 0;
    padding: 0;
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    background-color: #fff;
  }

.register-main {
    background-color: var(--background-white);
    min-height: 100vh;
    padding: 40px 20px;
    font-family: var(--font-family);
    font-size: 17px;
    font-weight: 400;
}

.register-main * {
    font-size: 17px;
    font-weight: 400;
}

.register-container {
    max-width: 540px;
    margin: 0 auto;
    background-color: var(--background-white);
}

.register-header {
    text-align: center;
    margin-bottom: 48px;
}

.register-header h1 {
    font-size: 48px !important;
    font-weight: 600 !important;
    line-height: 1.08;
    color: var(--primary-text);
    margin: 0 0 24px 0;
    letter-spacing: -0.003em;
}

.register-subtitle {
    font-size: 17px;
    line-height: 1.38;
    color: var(--primary-text);
    margin: 0 0 24px 0;
    font-weight: 400;
}

.login-link {
    font-size: 17px;
    line-height: 1.47;
    color: var(--primary-text);
    margin: 0;
}

.login-link a {
    color: var(--button-primary);
    text-decoration: none;
}

.login-link a:hover {
    text-decoration: underline;
}

.register-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form-group {
    position: relative;
}

.form-label {
    display: block;
    font-size: 17px;
    font-weight: 400;
    color: var(--primary-text);
    margin-bottom: 8px;
    line-height: 1.47;
}

.form-input,
.form-select {
    width: 100%;
    padding: 16px;
    font-size: 17px;
    line-height: 1.47;
    border: 1px solid var(--input-border);
    border-radius: 12px;
    background-color: var(--background-white);
    color: var(--primary-text);
    font-family: var(--font-family);
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

.form-input::placeholder {
    color: var(--secondary-text);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 48px;
}

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

.birthdate-select {
    padding: 16px 48px 16px 16px;
}

.form-help-text {
    font-size: 17px;
    line-height: 1.43;
    color: var(--secondary-text);
    margin: 8px 0 0 0;
}

.form-info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--secondary-text);
    color: white;
    font-size: 12px;
    font-weight: 600;
    margin-left: 8px;
    cursor: help;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 17px;
    line-height: 1.47;
    color: var(--primary-text);
}

.radio-label input[type="radio"] {
    margin-right: 12px;
    width: 16px;
    height: 16px;
    accent-color: var(--button-primary);
}

.checkbox-group {
    margin-top: 24px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 17px;
    line-height: 1.47;
    color: var(--primary-text);
}

.checkbox-label input[type="checkbox"] {
    margin-right: 12px;
    margin-top: 2px;
    width: 16px;
    height: 16px;
    accent-color: var(--button-primary);
    flex-shrink: 0;
}

.checkbox-text {
    flex: 1;
}

.checkbox-text strong {
    font-weight: 400;
}

.privacy-section {
    text-align: center;
    margin: 32px 0;
    padding: 24px;
}

.privacy-icon {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.privacy-text {
    font-size: 12px;
    font-weight: 400;
    line-height: 1.5;
    color: #6e6e73;
    margin: 0;
    text-align: center;
}

.privacy-link {
    color: var(--button-primary);
    text-decoration: none;
    font-size: 12px;
    font-weight: 400;
}

.privacy-link:hover {
    text-decoration: underline;
}

.register-button:disabled {
    background-color: var(--secondary-text);
    cursor: not-allowed;
    opacity: 0.6;
}

.register-button:disabled:hover {
    background-color: var(--secondary-text);
    transform: none;
}

.captcha-section {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
}

.captcha-image {
    background-color: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 24px;
    min-width: 120px;
    text-align: center;
}

.captcha-text {
    font-family: 'Courier New', monospace;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-text);
    letter-spacing: 4px;
    text-decoration: line-through;
    text-decoration-color: var(--secondary-text);
    transform: skew(-10deg);
}

.captcha-input {
    flex: 1;
}

.register-button {
    background-color: var(--button-primary);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 16px 24px;
    font-size: 17px;
    font-weight: 400;
    font-family: var(--font-family);
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: 24px;
}

.register-button:hover {
    background-color: var(--button-primary-hover);
}

.register-button:active {
    transform: translateY(1px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .register-main {
        padding: 20px 16px;
    }
    
    .register-header h1 {
        font-size: 32px !important;
    }
    
    .register-subtitle {
        font-size: 17px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .birthdate-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .captcha-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .captcha-image {
        align-self: center;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .register-header h1 {
        font-size: 28px !important;
    }
    
    .register-subtitle {
        font-size: 17px;
    }
    
    .form-input,
    .form-select {
        font-size: 17px;
        padding: 14px;
    }
    
    .birthdate-select {
        padding: 14px 40px 14px 14px;
    }
    
    .register-button {
        font-size: 17px;
        padding: 14px 20px;
    }
}