/* style/register.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */

:root {
    --color-primary: #11A84E;
    --color-secondary: #22C768;
    --color-button-gradient-start: #2AD16F;
    --color-button-gradient-end: #13994A;
    --color-card-bg: #11271B;
    --color-background: #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 {
    background-color: var(--color-background);
    color: var(--color-text-main); /* Sử dụng màu chữ sáng trên nền tối */
    font-family: 'Arial', sans-serif;
}

.page-register__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 10px 0 60px 0; /* Padding top nhỏ, body đã có padding-top */
    text-align: center;
}

.page-register__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.page-register__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.6); /* Làm tối ảnh nền để chữ dễ đọc hơn */
}

.page-register__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.4); /* Nền tối nhẹ cho chữ */
    border-radius: 10px;
    margin-top: 100px; /* Đẩy nội dung xuống dưới header */
}

.page-register__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--color-gold);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-register__tagline {
    font-size: 1.2rem;
    color: var(--color-text-main);
    margin-bottom: 30px;
    line-height: 1.5;
}

.page-register__section-title {
    font-size: 2.5rem;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 0 5px rgba(242, 193, 78, 0.3);
}

.page-register__section-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

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

.page-register__form-section, 
.page-register__benefits-section, 
.page-register__process-section, 
.page-register__security-section, 
.page-register__faq-section, 
.page-register__cta-section {
    padding: 80px 0;
}

.page-register__form-section {
    background-color: var(--color-card-bg);
    border-top: 1px solid var(--color-divider);
    border-bottom: 1px solid var(--color-divider);
}

.page-register__registration-form {
    max-width: 600px;
    margin: 40px auto;
    background-color: var(--color-background);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-border);
}

.page-register__form-group {
    margin-bottom: 25px;
}

.page-register__form-label {
    display: block;
    margin-bottom: 10px;
    color: var(--color-text-main);
    font-weight: 600;
    font-size: 1rem;
}

.page-register__form-input {
    width: calc(100% - 20px);
    padding: 12px 10px;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    background-color: #1a3a2a; /* Nền input hơi sáng hơn nền form */
    color: var(--color-text-main);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

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

.page-register__form-input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 8px rgba(17, 168, 78, 0.5);
}

.page-register__form-hint {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.page-register__captcha-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.page-register__captcha-image {
    border-radius: 5px;
    border: 1px solid var(--color-border);
    width: 120px; /* Kích thước cố định cho mã xác minh */
    height: 40px;
    object-fit: cover;
}

.page-register__refresh-captcha {
    padding: 10px 15px;
    background: var(--color-secondary);
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

.page-register__refresh-captcha:hover {
    background-color: #1da85c;
}

.page-register__form-checkbox {
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: var(--color-text-main);
}

.page-register__form-checkbox input {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary); /* Màu checkbox */
}

.page-register__link {
    color: var(--color-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-register__link:hover {
    color: #ffd700;
    text-decoration: underline;
}

.page-register__btn-primary {
    display: block;
    width: 100%;
    padding: 15px 25px;
    background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-register__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

.page-register__btn-secondary {
    display: inline-block;
    padding: 15px 25px;
    background-color: var(--color-background);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.page-register__btn-secondary:hover {
    background-color: var(--color-primary);
    color: #ffffff;
}

.page-register__submit-button {
    margin-top: 20px;
}

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

.page-register__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-register__benefit-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease;
}

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

.page-register__benefit-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
}

.page-register__benefit-title {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-register__benefit-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.page-register__process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.page-register__step-card {
    background-color: var(--color-card-bg);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
    position: relative;
}

.page-register__step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: -70px auto 20px auto; /* Đặt số bước lên trên */
    box-shadow: 0 5px 15px rgba(17, 168, 78, 0.5);
}

.page-register__step-title {
    font-size: 1.6rem;
    color: var(--color-gold);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-register__step-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.page-register__cta-bottom {
    text-align: center;
    margin-top: 60px;
}

.page-register__security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-register__security-item {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-register__security-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
}

.page-register__security-title {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-register__security-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.page-register__security-note {
    font-size: 1rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 40px;
    font-style: italic;
}

.page-register__faq-list {
    margin-top: 40px;
}

.page-register__faq-item {
    background-color: var(--color-card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    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: #1a3a2a;
    transition: background-color 0.3s ease;
    list-style: none; /* Dành cho details */
}

.page-register__faq-question::-webkit-details-marker {
    display: none; /* Dành cho details */
}

.page-register__faq-question:hover {
    background-color: #2a4a3a;
}

.page-register__faq-qtext {
    flex-grow: 1;
    text-align: left;
}

.page-register__faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-gold);
    margin-left: 15px;
}

.page-register__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-height: 0; /* Dành cho js-driven accordion */
    overflow: hidden; /* Dành cho js-driven accordion */
    transition: max-height 0.3s ease-out, padding 0.3s ease-out; /* Dành cho js-driven accordion */
}

.page-register__faq-item[open] .page-register__faq-answer { /* Dành cho details */
    max-height: fit-content;
    padding: 0 25px 20px 25px;
}

.page-register__faq-item.active .page-register__faq-answer { /* Dành cho js-driven accordion */
    max-height: 2000px; /* Đủ lớn để chứa nội dung */
    padding: 0 25px 20px 25px;
}

.page-register__cta-section {
    background: linear-gradient(135deg, var(--color-deep-green) 0%, var(--color-primary) 100%);
    text-align: center;
    padding: 100px 0;
    border-top: 1px solid var(--color-divider);
}

.page-register__cta-section .page-register__section-title {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.page-register__cta-section .page-register__section-description {
    color: #e0ffe0;
    margin-bottom: 50px;
}

.page-register__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-register__main-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }
    .page-register__section-title {
        font-size: 2rem;
    }
    .page-register__benefits-grid, 
    .page-register__process-steps, 
    .page-register__security-features {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-register {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-register__hero-content {
        margin-top: 50px;
    }
    .page-register__main-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    .page-register__tagline {
        font-size: 1rem;
    }
    .page-register__section-title {
        font-size: 1.8rem;
    }
    .page-register__section-description {
        font-size: 0.95rem;
    }
    .page-register__form-section, 
    .page-register__benefits-section, 
    .page-register__process-section, 
    .page-register__security-section, 
    .page-register__faq-section, 
    .page-register__cta-section {
        padding: 40px 0;
    }
    .page-register__registration-form {
        padding: 20px;
    }
    .page-register__captcha-group {
        flex-direction: column;
        align-items: stretch;
    }
    .page-register__captcha-image {
        width: 100%;
        height: auto;
        margin-bottom: 10px;
    }
    .page-register__refresh-captcha {
        width: 100%;
    }
    .page-register__btn-primary, .page-register__btn-secondary {
        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;
    }
    .page-register__cta-buttons {
        flex-direction: column;
        gap: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px;
    }
    .page-register__benefits-grid, 
    .page-register__process-steps, 
    .page-register__security-features {
        grid-template-columns: 1fr;
    }
    .page-register__step-number {
        margin-top: -50px;
    }
    .page-register__container {
        padding: 0 15px;
    }

    /* Mobile image and video responsive */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-register video,
    .page-register__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-register__section, 
    .page-register__card, 
    .page-register__container, 
    .page-register__video-section,
    .page-register__video-container,
    .page-register__video-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;
        overflow: hidden !important; /* Ensure no horizontal scroll */
    }
    .page-register__hero-section {
        padding-top: 10px !important;
    }
}

@media (max-width: 480px) {
    .page-register__main-title {
        font-size: clamp(1.5rem, 10vw, 2rem);
    }
    .page-register__section-title {
        font-size: 1.5rem;
    }
    .page-register__registration-form {
        padding: 15px;
    }
}