/* style/registration-guide.css */

/* Base styles for the page content */
.page-registration-guide {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light backgrounds */
    background-color: var(--primary-bg, #f8f9fa); /* Assuming a light default background if --primary-bg is not dark */
}

/* Fixed header spacing for the first content section */
.page-registration-guide__hero-banner {
    padding-top: 120px; /* Desktop spacing */
    background: linear-gradient(135deg, #0A192F, #1A345E); /* Dark gradient for hero */
    color: #ffffff; /* Light text for dark background */
    text-align: center;
    padding-bottom: 60px;
}

.page-registration-guide__hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-registration-guide__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: #FFD700; /* Gold for emphasis */
    line-height: 1.2;
}

.page-registration-guide__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.9;
}

.page-registration-guide__hero-description a {
    color: #FFD700;
    text-decoration: underline;
}

.page-registration-guide__hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.page-registration-guide__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.page-registration-guide__btn--primary {
    background-color: #FFD700; /* Gold background */
    color: #0A192F; /* Dark text for gold background */
    border-color: #FFD700;
}

.page-registration-guide__btn--primary:hover {
    background-color: #e6c200;
    border-color: #e6c200;
    transform: translateY(-3px);
}

.page-registration-guide__btn--secondary {
    background-color: transparent;
    color: #FFD700; /* Gold text */
    border-color: #FFD700;
}

.page-registration-guide__btn--secondary:hover {
    background-color: #FFD700;
    color: #0A192F;
    transform: translateY(-3px);
}

.page-registration-guide__btn-small {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
    transition: all 0.3s ease;
    cursor: pointer;
    background-color: #0A192F;
    color: #FFD700;
    border: 1px solid #FFD700;
    margin-top: 15px;
}

.page-registration-guide__btn-small:hover {
    background-color: #1A345E;
    color: #ffffff;
    border-color: #ffffff;
}

/* General section styles */
.page-registration-guide__section {
    padding: 60px 0;
    background-color: var(--primary-bg, #ffffff);
}

.page-registration-guide__dark-section {
    background-color: #0A192F; /* Dark blue background */
    color: #ffffff; /* Light text for dark background */
}

.page-registration-guide__dark-section .page-registration-guide__section-title {
    color: #FFD700; /* Gold title on dark background */
}

.page-registration-guide__dark-section .page-registration-guide__section-description,
.page-registration-guide__dark-section p,
.page-registration-guide__dark-section li {
    color: #f0f0f0;
}

.page-registration-guide__dark-section a {
    color: #FFD700;
    text-decoration: underline;
}

.page-registration-guide__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-registration-guide__container--center {
    text-align: center;
}

.page-registration-guide__section-title {
    font-size: 2.5em;
    margin-bottom: 20px;
    text-align: center;
    color: #0A192F; /* Dark blue for titles on light background */
}

.page-registration-guide__section-description {
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-registration-guide__section-description a {
    color: #0A192F;
    text-decoration: underline;
}

/* Intro section specific */
.page-registration-guide__section--intro {
    padding-top: 40px; /* Reduce top padding as hero already has it */
}

.page-registration-guide__content-grid {
    display: flex;
    gap: 40px;
    align-items: center;
}

.page-registration-guide__content-text {
    flex: 1;
}

.page-registration-guide__content-image {
    flex: 1;
    text-align: center;
}

.page-registration-guide__content-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: block; /* Ensure no extra space below image */
}

/* Step cards for registration */
.page-registration-guide__step-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-registration-guide__step-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e0e0e0;
}

.page-registration-guide__step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-registration-guide__step-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background-color: #FFD700;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-registration-guide__step-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0) invert(0); /* Ensure original color, remove any potential filter changes */
}

.page-registration-guide__step-title {
    font-size: 1.5em;
    color: #0A192F;
    margin-bottom: 15px;
}

.page-registration-guide__step-card ul {
    list-style: none;
    padding: 0;
    margin: 15px 0;
    text-align: left;
}

.page-registration-guide__step-card ul li {
    margin-bottom: 8px;
    padding-left: 25px;
    position: relative;
}

.page-registration-guide__step-card ul li::before {
    content: '✓';
    color: #FFD700;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Login steps */
.page-registration-guide__login-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-registration-guide__login-step-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e0e0e0;
    position: relative;
    padding-top: 60px; /* Space for number */
}

.page-registration-guide__login-step-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-registration-guide__login-step-number {
    position: absolute;
    top: 20px;
    left: 30px;
    background-color: #0A192F;
    color: #FFD700;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    font-weight: bold;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-registration-guide__login-step-title {
    font-size: 1.4em;
    color: #0A192F;
    margin-bottom: 15px;
}

.page-registration-guide__login-step-item ul {
    list-style: none;
    padding: 0;
    margin: 15px 0;
    text-align: left;
}

.page-registration-guide__login-step-item ul li {
    margin-bottom: 8px;
    padding-left: 25px;
    position: relative;
}

.page-registration-guide__login-step-item ul li::before {
    content: '•';
    color: #FFD700;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Troubleshooting cards */
.page-registration-guide__issue-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-registration-guide__issue-card {
    background-color: rgba(255, 255, 255, 0.1); /* Slightly transparent white on dark background */
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-registration-guide__issue-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
}

.page-registration-guide__issue-title {
    font-size: 1.3em;
    color: #FFD700;
    margin-bottom: 15px;
}

.page-registration-guide__issue-card p {
    color: #f0f0f0;
}

.page-registration-guide__contact-support {
    text-align: center;
    margin-top: 40px;
    font-size: 1.1em;
    color: #f0f0f0;
}

.page-registration-guide__contact-support a {
    color: #FFD700;
    text-decoration: underline;
}

/* Security tips */
.page-registration-guide__security-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-registration-guide__security-tip-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e0e0e0;
}

.page-registration-guide__security-tip-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-registration-guide__security-tip-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
    filter: brightness(0) invert(0); /* Ensure original color, remove any potential filter changes */
}

.page-registration-guide__security-tip-item h3 {
    font-size: 1.4em;
    color: #0A192F;
    margin-bottom: 10px;
}

/* FAQ section */
.page-registration-guide__faq-list {
    max-width: 900px;
    margin: 40px auto 0;
}

/* FAQ容器样式 */
.page-registration-guide__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
}

/* FAQ默认状态 - 答案隐藏 */
.page-registration-guide__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 và đủ lớn max-height để đảm bảo có thể mở rộng */
.page-registration-guide__faq-item.active .page-registration-guide__faq-answer {
    max-height: 2000px !important; /* 🚨 Sử dụng!important để đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
    padding: 20px 15px !important;
    opacity: 1;
    background: #f9f9f9;
    border-radius: 0 0 5px 5px;
    border-left: 1px solid #e0e0e0;
    border-right: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

/* Câu hỏi FAQ */
.page-registration-guide__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.page-registration-guide__faq-question:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
}

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

/* Tiêu đề câu hỏi */
.page-registration-guide__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 1.1em;
    font-weight: 600;
    line-height: 1.5;
    pointer-events: none; /* Ngăn thẻ h3 chặn sự kiện click */
    color: #0A192F;
}

/* Biểu tượng chuyển đổi */
.page-registration-guide__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    color: #666;
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none; /* Ngăn biểu tượng chặn sự kiện click */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.page-registration-guide__faq-item.active .page-registration-guide__faq-toggle {
    color: #333;
    transform: rotate(45deg); /* Thay đổi thành X hoặc xoay */
}

/* CTA section at the bottom */
.page-registration-guide__section--cta {
    padding: 80px 0;
}

.page-registration-guide__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

/* Responsive design */
@media (max-width: 1024px) {
    .page-registration-guide__hero-title {
        font-size: 2.8em;
    }

    .page-registration-guide__section-title {
        font-size: 2em;
    }

    .page-registration-guide__content-grid {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    /* Mobile fixed header spacing */
    .page-registration-guide__hero-banner {
        padding-top: 100px; /* Mobile spacing */
        padding-bottom: 40px;
    }

    .page-registration-guide__hero-title {
        font-size: 2em;
    }

    .page-registration-guide__hero-description {
        font-size: 1em;
    }

    .page-registration-guide__hero-cta {
        flex-direction: column;
        gap: 15px;
    }

    .page-registration-guide__btn {
        width: 100%;
        padding: 12px 20px;
        font-size: 1em;
    }

    .page-registration-guide__section {
        padding: 40px 0;
    }

    .page-registration-guide__container {
        padding: 0 15px;
    }

    .page-registration-guide__section-title {
        font-size: 1.8em;
    }

    .page-registration-guide__section-description {
        font-size: 0.95em;
    }

    .page-registration-guide__step-cards,
    .page-registration-guide__login-steps,
    .page-registration-guide__issue-cards,
    .page-registration-guide__security-tips {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-registration-guide__step-card,
    .page-registration-guide__login-step-item,
    .page-registration-guide__issue-card,
    .page-registration-guide__security-tip-item {
        padding: 20px;
    }

    .page-registration-guide__step-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }

    .page-registration-guide__step-icon img {
        width: 50px;
        height: 50px;
    }

    .page-registration-guide__step-title,
    .page-registration-guide__login-step-title,
    .page-registration-guide__issue-title,
    .page-registration-guide__security-tip-item h3 {
        font-size: 1.2em;
    }

    .page-registration-guide__login-step-number {
        width: 35px;
        height: 35px;
        font-size: 1.3em;
        top: 15px;
        left: 20px;
    }

    .page-registration-guide__login-step-item {
        padding-top: 50px;
    }

    /* Mobile FAQ styles */
    .page-registration-guide__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    
    .page-registration-guide__faq-question h3 {
        font-size: 15px;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }
    
    .page-registration-guide__faq-toggle {
        margin-left: 10px;
        width: 24px;
        height: 24px;
        font-size: 20px;
    }
    
    .page-registration-guide__faq-answer {
        padding: 0 15px;
    }
    
    .page-registration-guide__faq-item.active .page-registration-guide__faq-answer {
        padding: 15px !important;
    }

    .page-registration-guide__section--cta {
        padding: 60px 0;
    }

    .page-registration-guide__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    /* Images responsive fix */
    .page-registration-guide img {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
    }
    
    .page-registration-guide__section,
    .page-registration-guide__card,
    .page-registration-guide__container,
    .page-registration-guide__step-card,
    .page-registration-guide__login-step-item,
    .page-registration-guide__issue-card,
    .page-registration-guide__security-tip-item {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
    }
}