/* CSS cho trang Đăng Ký (register.css) */

:root {
    --primary-color: #F2C14E;
    --secondary-color: #FFD36B;
    --card-bg: #111111;
    --body-bg: #0A0A0A;
    --text-main-color: #FFF6D6;
    --border-color: #3A2A12;
    --glow-color: #FFD36B;
    --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

.page-register {
    background-color: var(--body-bg);
    color: var(--text-main-color);
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding-top: 10px; /* Small top padding for first section to avoid double padding with body */
}

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

.page-register__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-bottom: 40px;
}

.page-register__hero-image-wrapper {
    width: 100%;
    max-height: 600px; /* Limit height to prevent overly tall hero on desktop */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-register__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover; /* Cover the area, may crop */
    display: block;
}

.page-register__hero-content {
    position: relative; /* Ensure content is above image if z-index is used, but we avoid overlaying */
    max-width: 900px;
    margin-top: 20px; /* Space below image */
    padding: 0 20px;
}

.page-register__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-main-color);
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.page-register__hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-main-color);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__btn-primary {
    display: inline-block;
    background: var(--button-gradient);
    color: var(--text-main-color);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(255, 211, 107, 0.3);
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-register__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 211, 107, 0.5);
}

.page-register__section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-main-color);
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.page-register__section-description {
    font-size: 1.1em;
    color: var(--text-main-color);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.page-register__dark-section {
    background-color: var(--body-bg);
    padding: 60px 0;
}

/* Registration Form Section */
.page-register__form-section {
    padding-top: 40px;
}

.page-register__form-wrapper {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    max-width: 600px;
    margin: 0 auto;
    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 {
    font-size: 1em;
    color: var(--text-main-color);
    margin-bottom: 8px;
    font-weight: bold;
}

.page-register__form-input {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: #222222;
    color: var(--text-main-color);
    font-size: 1em;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-register__form-input::placeholder {
    color: #888888;
}

.page-register__form-input:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 211, 107, 0.3);
}

.page-register__form-captcha {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.page-register__captcha-image {
    border-radius: 6px;
    border: 1px solid var(--border-color);
    width: 100px; /* Fixed width for captcha image */
    height: 40px; /* Fixed height for captcha image */
    object-fit: cover;
    min-width: 100px; /* Ensure it's not too small */
    min-height: 40px;
}

.page-register__form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95em;
    color: var(--text-main-color);
}

.page-register__form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    flex-shrink: 0;
}

.page-register__text-link {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-register__text-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.page-register__form-submit-btn {
    width: 100%;
    padding: 15px 20px;
    font-size: 1.2em;
    margin-top: 10px;
}

.page-register__login-prompt {
    text-align: center;
    margin-top: 30px;
    font-size: 1em;
    color: var(--text-main-color);
}

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

.page-register__benefit-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-main-color);
}

.page-register__benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 211, 107, 0.3);
}

.page-register__benefit-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    min-width: 100px;
    min-height: 100px;
}

.page-register__benefit-title {
    font-size: 1.4em;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-register__benefit-text {
    font-size: 0.95em;
    color: var(--text-main-color);
    opacity: 0.8;
}

/* Security Section */
.page-register__security-content {
    display: flex;
    gap: 40px;
    align-items: center;
    margin-top: 40px;
}

.page-register__security-text-block {
    flex: 1;
}

.page-register__security-subtitle {
    font-size: 1.6em;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-register__security-paragraph {
    font-size: 1em;
    color: var(--text-main-color);
    margin-bottom: 20px;
    opacity: 0.85;
}

.page-register__security-image-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-register__security-image {
    width: 100%;
    height: auto;
    max-width: 600px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    display: block;
    min-width: 200px;
    min-height: 200px;
}

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

.page-register__cta-content {
    max-width: 900px;
}

.page-register__cta-button {
    margin-top: 30px;
    padding: 18px 40px;
    font-size: 1.3em;
    box-shadow: 0 8px 20px rgba(255, 211, 107, 0.4);
}

.page-register__cta-button:hover {
    box-shadow: 0 10px 25px rgba(255, 211, 107, 0.6);
}

/* FAQ Section */
.page-register__faq-section {
    padding-bottom: 60px;
}

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

details.page-register__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

details.page-register__faq-item summary.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
    color: var(--text-main-color);
    font-weight: bold;
}

details.page-register__faq-item summary.page-register__faq-question::-webkit-details-marker {
    display: none;
}

details.page-register__faq-item summary.page-register__faq-question:hover {
    background: #1A1A1A;
}

.page-register__faq-qtext {
    flex: 1;
    font-size: 1.15em;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--text-main-color);
}

.page-register__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--secondary-color);
    flex-shrink: 0;
    margin-left: 20px;
    width: 30px;
    text-align: center;
    line-height: 1;
}

details.page-register__faq-item .page-register__faq-answer {
    padding: 0 25px 25px;
    background: #1A1A1A;
    border-radius: 0 0 8px 8px;
    color: var(--text-main-color);
    font-size: 0.95em;
    opacity: 0.85;
}

/* General Image styles for content area */
.page-register img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Responsive Styles --- */

/* Desktop specific adjustments */
@media (min-width: 769px) {
    .page-register__security-image {
        height: 400px; /* Maintain aspect ratio for larger screens */
        object-fit: cover;
    }
}

/* Tablet and Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .page-register__container {
        padding: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__hero-section {
        padding-top: 10px; /* Small top padding */
        padding-bottom: 20px;
    }

    .page-register__hero-image-wrapper {
        max-height: 300px;
    }

    .page-register__hero-image {
        object-fit: contain !important; /* Ensure image is fully visible */
        aspect-ratio: unset !important; /* Remove fixed aspect ratio */
        width: 100% !important;
        height: auto !important;
    }

    .page-register__hero-content {
        margin-top: 15px;
        padding: 0 15px;
    }

    .page-register__hero-title {
        font-size: 1.8rem; /* Adjusted for mobile */
        margin-bottom: 10px;
    }

    .page-register__hero-description {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .page-register__btn-primary {
        padding: 12px 25px;
        font-size: 1em;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-register__section-title {
        font-size: 1.6rem;
        margin-bottom: 15px;
    }

    .page-register__section-description {
        font-size: 0.9em;
        margin-bottom: 30px;
    }

    .page-register__dark-section {
        padding: 40px 0;
    }

    /* Form Section */
    .page-register__form-section {
        padding-top: 30px;
    }

    .page-register__form-wrapper {
        padding: 25px;
        margin: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__form-group {
        gap: 5px;
    }

    .page-register__form-label {
        font-size: 0.9em;
        margin-bottom: 5px;
    }

    .page-register__form-input {
        padding: 10px 12px;
        font-size: 0.9em;
    }

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

    .page-register__captcha-image {
        width: 100px;
        height: 40px;
    }

    .page-register__form-checkbox {
        font-size: 0.85em;
    }

    .page-register__form-submit-btn {
        padding: 12px 15px;
        font-size: 1.1em;
    }

    .page-register__login-prompt {
        margin-top: 20px;
        font-size: 0.9em;
    }

    /* Benefits Section */
    .page-register__benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 20px;
    }

    .page-register__benefit-card {
        padding: 25px;
    }

    .page-register__benefit-icon {
        width: 80px;
        height: 80px;
        min-width: 80px;
        min-height: 80px;
    }

    .page-register__benefit-title {
        font-size: 1.2em;
    }

    .page-register__benefit-text {
        font-size: 0.85em;
    }

    /* Security Section */
    .page-register__security-content {
        flex-direction: column;
        gap: 30px;
        margin-top: 30px;
    }

    .page-register__security-image-wrapper {
        order: -1; /* Image first on mobile */
    }

    .page-register__security-subtitle {
        font-size: 1.4em;
    }

    .page-register__security-paragraph {
        font-size: 0.9em;
    }

    .page-register__security-image {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-width: 200px !important;
        min-height: 200px !important;
    }

    /* CTA Section */
    .page-register__cta-section {
        padding: 50px 0;
    }

    .page-register__cta-button {
        padding: 15px 30px;
        font-size: 1.1em;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* FAQ Section */
    .page-register__faq-list {
        margin-top: 30px;
    }

    details.page-register__faq-item summary.page-register__faq-question {
        padding: 15px 20px;
    }

    .page-register__faq-qtext {
        font-size: 1em;
    }

    .page-register__faq-toggle {
        font-size: 24px;
        margin-left: 15px;
        width: 25px;
    }

    details.page-register__faq-item .page-register__faq-answer {
        padding: 0 20px 20px;
        font-size: 0.9em;
    }

    /* General image and button container overrides for mobile */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-register__section,
    .page-register__card,
    .page-register__container,
    .page-register__form-wrapper,
    .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;
    }

    .page-register__cta-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
}