/* style/register.css */
/* body đã padding-top: var(--header-offset) từ shared.css, tránh trùng lặp */

:root {
    --color-primary: #11A84E; /* Main color */
    --color-secondary: #22C768; /* Auxiliary color */
    --color-button-gradient-start: #2AD16F;
    --color-button-gradient-end: #13994A;
    --color-card-bg: #11271B;
    --color-bg: #08160F;
    --color-text-main: #F2FFF6;
    --color-text-secondary: #A7D9B8;
    --color-border: #2E7A4E;
    --color-glow: #57E38D;
    --color-gold: #F2C14E;
    --color-divider: #1E3A2A;
    --color-deep-green: #0A4B2C;
}

.page-register {
    font-family: 'Arial', sans-serif;
    color: var(--color-text-main); /* Default text color for the page */
    background-color: var(--color-bg); /* Page background */
    line-height: 1.6;
}

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

/* Hero Section */
.page-register__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column; /* Image on top, content below */
    align-items: center;
    text-align: center;
    padding: 60px 0 40px; /* Adjust padding as per fixed header rule */
    background-color: var(--color-deep-green); /* Fallback background */
    overflow: hidden; /* Ensure image doesn't overflow */
    padding-top: 10px; /* Small top padding, body handles --header-offset */
}

.page-register__hero-image {
    width: 100%;
    height: auto;
    max-height: 500px; /* Limit height for hero image */
    object-fit: cover;
    display: block;
    margin-bottom: 30px; /* Space between image and content */
}

.page-register__hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.page-register__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive font size for H1 */
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: 0.05em;
}

.page-register__description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
}

.page-register__cta-button {
    display: inline-block;
    background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
    color: var(--color-text-main);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Info Section */
.page-register__info-section {
    padding: 80px 0;
    background-color: var(--color-bg);
    text-align: center;
}

.page-register__section-title {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: 700;
}

.page-register__section-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto 50px;
}

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

.page-register__benefit-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    border: 1px solid var(--color-border);
}

.page-register__benefit-card:hover {
    transform: translateY(-5px);
}

.page-register__benefit-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
}

.page-register__benefit-title {
    font-size: 1.4rem;
    color: var(--color-text-main);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-register__benefit-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

/* Form Section */
.page-register__form-section {
    padding: 80px 0;
    background-color: var(--color-deep-green);
    text-align: center;
}

.page-register__registration-form {
    background-color: var(--color-card-bg);
    padding: 40px;
    border-radius: 12px;
    max-width: 600px;
    margin: 40px auto 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-register__input-group {
    margin-bottom: 25px;
    text-align: left;
}

.page-register__label {
    display: block;
    font-size: 1rem;
    color: var(--color-text-main);
    margin-bottom: 8px;
    font-weight: 500;
}

.page-register__input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: #0A2215; /* Darker input background */
    color: var(--color-text-main);
    font-size: 1rem;
    box-sizing: border-box;
}

.page-register__input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

.page-register__input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(17, 168, 78, 0.3);
}

.page-register__captcha-group {
    display: flex;
    flex-wrap: wrap; /* Allow wrapping on small screens */
    align-items: center;
    gap: 15px;
}

.page-register__captcha-group .page-register__label {
    flex: 1 1 100%; /* Label takes full width on top */
}

.page-register__captcha-input {
    flex: 2 1 60%; /* Input takes more space */
    min-width: 150px;
}

.page-register__captcha-image {
    flex: 1 1 30%; /* Image takes remaining space */
    background-color: var(--color-border); /* Placeholder for captcha image */
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 44px; /* Match input height */
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
}

.page-register__terms-checkbox {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.page-register__terms-checkbox input[type="checkbox"] {
    margin-right: 10px;
    min-width: 16px; /* Ensure checkbox is visible */
    min-height: 16px;
    accent-color: var(--color-primary);
}

.page-register__terms-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.page-register__terms-link:hover {
    text-decoration: underline;
}

.page-register__submit-button {
    width: 100%;
    display: block; /* Ensure it takes full width */
    background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
    color: var(--color-text-main);
    padding: 15px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-register__login-prompt {
    margin-top: 20px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.page-register__login-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.page-register__login-link:hover {
    text-decoration: underline;
}

/* How-To Section */
.page-register__how-to-section {
    padding: 80px 0;
    background-color: var(--color-bg);
    text-align: center;
}

.page-register__steps-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    text-align: left;
}

.page-register__step-item {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--color-border);
    position: relative;
    padding-left: 80px; /* Space for step number */
}

.page-register__step-item::before {
    content: "Bước " counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 20px;
    top: 20px;
    background-color: var(--color-primary);
    color: var(--color-text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.page-register__steps-list {
    counter-reset: step-counter; /* Reset counter for the list */
}

.page-register__step-title {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-register__step-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.page-register__cta-bottom {
    margin-top: 50px;
    text-align: center;
}

.page-register__cta-button--bottom {
    padding: 18px 40px;
    font-size: 1.2rem;
}

/* FAQ Section */
.page-register__faq-section {
    padding: 80px 0;
    background-color: var(--color-deep-green);
    text-align: center;
}

.page-register__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: left;
    overflow: hidden;
}

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    background-color: var(--color-card-bg);
    transition: background-color 0.3s ease;
}

.page-register__faq-question:hover {
    background-color: rgba(var(--color-primary), 0.1); /* Slight hover effect */
}

.page-register__faq-item[open] .page-register__faq-question {
    background-color: var(--color-border); /* Highlight when open */
    color: var(--color-primary);
}

.page-register__faq-qtext {
    flex-grow: 1;
    color: var(--color-text-main);
}
.page-register__faq-item[open] .page-register__faq-qtext {
    color: var(--color-primary); /* Text color when open */
}


.page-register__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--color-primary);
}

.page-register__faq-item[open] .page-register__faq-toggle {
    color: var(--color-text-main); /* Toggle color when open */
}

.page-register__faq-answer {
    padding: 0 25px 20px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Hide default details marker */
.page-register__faq-item > summary {
    list-style: none;
}
.page-register__faq-item > summary::-webkit-details-marker {
    display: none;
}


/* Final CTA Section */
.page-register__cta-final-section {
    padding: 80px 0;
    background-color: var(--color-bg);
    text-align: center;
}

.page-register__section-title--light {
    color: var(--color-gold);
}

.page-register__description--light {
    color: var(--color-text-secondary);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__cta-button--large {
    padding: 20px 45px;
    font-size: 1.3rem;
    margin-top: 30px;
}


/* Responsive Design */
@media (max-width: 1024px) {
    .page-register__hero-image {
        max-height: 400px;
    }
    .page-register__main-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    .page-register__description {
        font-size: 1rem;
    }
    .page-register__section-title {
        font-size: clamp(1.6rem, 4vw, 2.5rem);
    }
    .page-register__benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-register__container {
        padding: 0 15px; /* Add padding for smaller screens */
    }

    /* Images */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-register__hero-section,
    .page-register__info-section,
    .page-register__form-section,
    .page-register__how-to-section,
    .page-register__faq-section,
    .page-register__cta-final-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-register__hero-section {
        padding-top: 10px !important; /* Small top padding for hero */
        padding-bottom: 30px;
    }
    .page-register__hero-image {
        max-height: 300px;
        margin-bottom: 20px;
    }
    .page-register__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 15px;
    }
    .page-register__description {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }

    /* Buttons */
    .page-register__cta-button,
    .page-register__submit-button,
    .page-register__cta-button--bottom,
    .page-register__cta-button--large {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 20px !important;
        font-size: 1rem !important;
    }
    .page-register__cta-buttons, /* If multiple buttons were present */
    .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;
        display: flex;
        flex-direction: column; /* Stack buttons vertically */
    }

    .page-register__benefits-grid {
        grid-template-columns: 1fr;
    }
    .page-register__benefit-card {
        padding: 20px;
    }
    .page-register__benefit-icon {
        width: 60px;
        height: 60px;
    }

    .page-register__registration-form {
        padding: 30px 20px;
        margin-top: 30px;
    }
    .page-register__input-group {
        margin-bottom: 20px;
    }
    .page-register__captcha-group {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .page-register__captcha-group .page-register__label {
        flex: none;
    }
    .page-register__captcha-input {
        flex: none;
        width: 100%;
    }
    .page-register__captcha-image {
        flex: none;
        width: 100%;
        height: 40px;
    }
    .page-register__terms-checkbox {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 20px;
    }
    .page-register__terms-checkbox input[type="checkbox"] {
        margin-bottom: 10px;
    }

    .page-register__step-item {
        padding-left: 60px;
    }
    .page-register__step-item::before {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        left: 15px;
        top: 15px;
    }
    .page-register__step-title {
        font-size: 1.2rem;
    }

    .page-register__faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }
    .page-register__faq-answer {
        padding: 0 20px 15px;
    }
}

@media (max-width: 480px) {
    .page-register__hero-section,
    .page-register__info-section,
    .page-register__form-section,
    .page-register__how-to-section,
    .page-register__faq-section,
    .page-register__cta-final-section {
        padding-left: 10px;
        padding-right: 10px;
    }
    .page-register__main-title {
        font-size: clamp(1.6rem, 7vw, 2.2rem);
    }
    .page-register__section-title {
        font-size: clamp(1.4rem, 5vw, 2rem);
    }
    .page-register__hero-image {
        max-height: 250px;
    }
}