/* style/register.css */
:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --button-register-color: #C30808;
    --button-text-color-safe: #FFFFFF; /* Adjusted for WCAG AA contrast */
    --text-color-dark: #333333;
    --text-color-light: #ffffff;
    --border-color: #e0e0e0;
    --background-light-alt: #f9f9f9; /* For FAQ answers, etc. */
}

/* Base styles for the register page content */
.page-register {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark); /* Default text color for light body background */
    background-color: var(--secondary-color); /* Matches body background */
}

.page-register__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-register__section-title {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-register__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-color-dark);
}

/* HERO Section */
.page-register__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    background-color: var(--primary-color); /* Green background for hero */
    color: var(--text-color-light); /* White text for hero */
    padding-top: var(--header-offset, 120px); /* Ensures content is not hidden by fixed header */
}

.page-register__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.page-register__hero-image {
    width: 100%;
    margin-bottom: 30px;
}

.page-register__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-register__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.page-register__main-title {
    font-size: 3em;
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--text-color-light);
    font-weight: bold;
}

.page-register__description {
    font-size: 1.2em;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-color-light);
}

.page-register__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--button-register-color);
    color: var(--button-text-color-safe); /* Adjusted for WCAG AA contrast */
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2em;
    font-weight: bold;
    margin-top: 30px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register__cta-button:hover {
    background: #a80707; /* Darken effect for hover from #C30808 */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Form Section */
.page-register__form-section {
    padding: 80px 0;
    background-color: var(--secondary-color); /* White background for form */
}

.page-register__form-wrapper {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 40px auto;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
}

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

.page-register__form-group {
    display: flex;
    flex-direction: column;
}

.page-register__form-label {
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--text-color-dark);
    font-size: 1.05em;
}

.page-register__form-input {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    color: var(--text-color-dark);
    background-color: var(--secondary-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-register__form-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(1, 116, 57, 0.2); /* Using RGB for primary-color with alpha */
}

.page-register__captcha-group {
    flex-direction: row;
    align-items: center;
    gap: 15px;
}

.page-register__captcha-input {
    flex: 1;
}

.page-register__captcha-image {
    width: 120px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    overflow: hidden;
    flex-shrink: 0;
}

.page-register__captcha-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-register__terms {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
}

.page-register__checkbox {
    margin-top: 4px; /* Align checkbox with text */
    flex-shrink: 0;
}

.page-register__terms-label {
    font-size: 0.95em;
    color: var(--text-color-dark);
}

.page-register__link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-register__link:hover {
    text-decoration: underline;
    color: #005a2c; /* Darken primary color */
}

.page-register__submit-button {
    display: block;
    width: 100%;
    padding: 15px 20px;
    background: var(--button-register-color);
    color: var(--button-text-color-safe); /* Adjusted for WCAG AA contrast */
    border: none;
    border-radius: 5px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register__submit-button:hover {
    background: #a80707; /* Darken effect for hover */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-register__login-prompt {
    text-align: center;
    margin-top: 25px;
    font-size: 1em;
    color: var(--text-color-dark);
}

.page-register__link-login {
    color: var(--button-register-color);
}

.page-register__link-login:hover {
    text-decoration: underline;
    color: #a80707; /* Darken button color */
}

/* Benefits Section */
.page-register__benefits-section {
    padding: 80px 0;
    background-color: var(--primary-color); /* Dark section background */
    color: var(--text-color-light); /* White text for dark section */
}

.page-register__benefits-section .page-register__section-title,
.page-register__benefits-section .page-register__section-description {
    color: var(--text-color-light);
}

.page-register__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-register__benefit-item {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1); /* Slightly transparent white for cards on dark bg */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-color-light);
}

.page-register__benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.page-register__benefit-icon {
    width: 100%; /* Ensure images fill card width */
    height: auto;
    max-width: 200px; /* Max width for benefit icons */
    margin: 0 auto 20px;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-register__benefit-title {
    font-size: 1.5em;
    margin-top: 15px;
    margin-bottom: 10px;
    color: var(--text-color-light);
    font-weight: bold;
}

.page-register__benefit-text {
    font-size: 1em;
    color: var(--text-color-light);
}

/* Steps Section */
.page-register__steps-section {
    padding: 80px 0;
    background-color: var(--background-light-alt); /* Light background for steps */
}

.page-register__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-register__step-item {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background: var(--secondary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-color-dark);
}

.page-register__step-number {
    font-size: 3em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-register__step-title {
    font-size: 1.6em;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: bold;
}

.page-register__step-text {
    font-size: 1em;
    color: var(--text-color-dark);
}

/* FAQ Section */
.page-register__faq-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.page-register__faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

/* FAQ容器样式 */
.page-register__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* FAQ默认状态 - 答案隐藏 */
.page-register__faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    padding: 0 15px;
    opacity: 0;
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-register__faq-item.active .page-register__faq-answer {
    max-height: 2000px !important; /* 🚨 Sử dụng!important đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
    padding: 20px 15px !important;
    opacity: 1;
    background: var(--background-light-alt);
    border-radius: 0 0 5px 5px;
    color: var(--text-color-dark);
}

/* Vấn đề phong cách */
.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: var(--secondary-color);
    border-bottom: 1px solid var(--border-color); /* Dòng phân cách */
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.page-register__faq-item.active .page-register__faq-question {
    border-bottom: none; /* Loại bỏ đường viền khi hoạt động */
    border-radius: 5px 5px 0 0;
}

.page-register__faq-question:hover {
    background: var(--background-light-alt);
    border-color: #d0d0d0;
}

.page-register__faq-question:active {
    background: #eeeeee;
}

/* Phong cách tiêu đề câu hỏi */
.page-register__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 1.1em;
    font-weight: 600;
    line-height: 1.5;
    color: var(--primary-color);
    pointer-events: none; /* Ngăn chặn thẻ h3 chặn sự kiện nhấp */
}

/* Chuyển đổi biểu tượng */
.page-register__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    color: var(--primary-color);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện nhấp */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.page-register__faq-item.active .page-register__faq-toggle {
    color: var(--button-register-color);
    transform: rotate(45deg); /* Xoay cho hiệu ứng dấu trừ */
}

/* Bottom CTA Section */
.page-register__cta-bottom {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--text-color-light);
    text-align: center;
}

.page-register__cta-bottom .page-register__section-title,
.page-register__cta-bottom .page-register__section-description {
    color: var(--text-color-light);
}

.page-register__cta-bottom .page-register__cta-button {
    margin-top: 40px;
}


/* Responsive Design */
@media (max-width: 1024px) {
    .page-register__main-title {
        font-size: 2.5em;
    }
    .page-register__description {
        font-size: 1.1em;
    }
    .page-register__section-title {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    .page-register__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Mobile specific padding top */
        padding-bottom: 40px;
    }

    .page-register__main-title {
        font-size: 2em;
        margin-bottom: 15px;
    }

    .page-register__description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-register__cta-button {
        padding: 12px 30px;
        font-size: 1em;
        margin-top: 20px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* General section padding for mobile */
    .page-register__form-section,
    .page-register__benefits-section,
    .page-register__steps-section,
    .page-register__faq-section,
    .page-register__cta-bottom {
        padding: 40px 0;
    }
    
    .page-register__container {
        padding: 0 15px;
    }

    .page-register__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }

    .page-register__section-description {
        font-size: 0.95em;
        margin-bottom: 30px;
    }

    .page-register__form-wrapper {
        padding: 25px;
        margin: 20px auto;
    }

    .page-register__form-label {
        font-size: 1em;
    }

    .page-register__form-input {
        padding: 10px 12px;
        font-size: 0.95em;
    }

    .page-register__captcha-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .page-register__captcha-input {
        width: 100%;
    }

    .page-register__captcha-image {
        width: 100%;
        max-width: 120px; /* Keep captcha image size reasonable */
        height: 40px;
    }

    .page-register__terms {
        align-items: center;
    }

    .page-register__terms-label {
        font-size: 0.9em;
    }

    .page-register__submit-button {
        padding: 12px 15px;
        font-size: 1em;
    }

    .page-register__benefits-grid,
    .page-register__steps-grid {
        grid-template-columns: 1fr;
    }

    .page-register__benefit-item,
    .page-register__step-item {
        padding: 20px;
    }

    .page-register__benefit-title {
        font-size: 1.3em;
    }

    .page-register__step-title {
        font-size: 1.4em;
    }

    .page-register__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    
    .page-register__faq-question h3 {
        font-size: 1em;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }
    
    .page-register__faq-toggle {
        margin-left: 10px;
        width: 24px;
        height: 24px;
        font-size: 20px;
    }
    
    .page-register__faq-answer {
        padding: 0 15px;
    }
    
    .page-register__faq-item.active .page-register__faq-answer {
        padding: 15px !important;
    }

    /* All images must be responsive */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    
    .page-register__section,
    .page-register__card,
    .page-register__container,
    .page-register__form-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__cta-buttons,
    .page-register__button-group,
    .page-register__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }
}