/* style/app.css */

/* Biến màu sắc */
:root {
    --color-primary: #2563eb;
    --color-secondary: #64748b;
    --color-dark-bg: #1a1a1a; /* Gần đen */
    --color-light-bg: #f5f5f5; /* Gần trắng */
    --color-text-light: #ffffff;
    --color-text-dark: #333333;
    --color-accent-yellow: #ffeb3b; /* Vàng */
}

/* Reset cơ bản cho trang */
.page-app {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--color-text-dark); /* Mặc định chữ tối trên nền sáng */
    background-color: var(--color-dark-bg); /* Nền tối toàn trang */
}

.page-app__dark-bg {
    background-color: var(--color-dark-bg);
    color: var(--color-text-light);
}

.page-app__light-bg {
    background-color: var(--color-light-bg);
    color: var(--color-text-dark);
}

.page-app__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px 20px 60px; /* Padding top nhỏ, body đã xử lý offset */
    overflow: hidden;
    box-sizing: border-box;
}

.page-app__hero-image-container {
    width: 100%;
    max-width: 1200px; /* Giới hạn kích thước ảnh trên desktop */
    margin-bottom: 30px;
    overflow: hidden;
    border-radius: 10px;
}

.page-app__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 10px;
}

.page-app__hero-content {
    max-width: 900px;
    padding: 0 15px;
    box-sizing: border-box;
}

.page-app__main-title {
    color: var(--color-accent-yellow);
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    font-size: clamp(24px, 4vw, 48px); /* H1 font size không cố định quá lớn */
}

.page-app__description {
    font-size: 1.1em;
    color: var(--color-text-light);
    margin-bottom: 30px;
    opacity: 0.9;
}

.page-app__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.page-app__cta-buttons--center {
    margin-top: 40px;
}

.page-app__btn-primary,
.page-app__btn-secondary,
.page-app__btn-tertiary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-app__btn-primary {
    background-color: var(--color-accent-yellow);
    color: var(--color-dark-bg);
    border: 2px solid var(--color-accent-yellow);
}

.page-app__btn-primary:hover {
    background-color: #ffc107;
    border-color: #ffc107;
}

.page-app__btn-secondary {
    background-color: transparent;
    color: var(--color-accent-yellow);
    border: 2px solid var(--color-accent-yellow);
}

.page-app__btn-secondary:hover {
    background-color: var(--color-accent-yellow);
    color: var(--color-dark-bg);
}

.page-app__btn-tertiary {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: 2px solid var(--color-primary);
}

.page-app__btn-tertiary:hover {
    background-color: #1c52c7;
    border-color: #1c52c7;
}

.page-app__section-title {
    font-size: clamp(22px, 3.5vw, 38px);
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-accent-yellow);
}

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

.page-app__features-section,
.page-app__download-guide,
.page-app__game-showcase,
.page-app__providers-section,
.page-app__faq-section,
.page-app__call-to-action,
.page-app__social-media {
    padding: 80px 20px;
    text-align: center;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.page-app__features-grid,
.page-app__download-options,
.page-app__game-grid,
.page-app__providers-grid {
    display: grid;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

.page-app__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.page-app__feature-card {
    background-color: var(--color-dark-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: var(--color-text-light);
}

.page-app__feature-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
    display: block;
    object-fit: cover;
    min-width: 200px;
    min-height: 200px;
}

.page-app__download-options {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-app__download-card {
    background-color: var(--color-light-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: var(--color-text-dark);
}

.page-app__download-icon {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
    display: block;
    min-width: 200px;
    min-height: 200px;
}

.page-app__game-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.page-app__game-card {
    background-color: var(--color-dark-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: var(--color-text-light);
}

.page-app__game-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
    display: block;
    object-fit: cover;
    min-width: 200px;
    min-height: 200px;
}

.page-app__providers-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    max-width: 1000px;
}

.page-app__provider-item {
    background-color: var(--color-light-bg);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-app__provider-logo {
    max-width: 100px;
    height: auto;
    display: block;
    object-fit: contain;
    min-width: 80px; /* gamelogo không có kích thước cụ thể, nhưng phải lớn hơn 200px */
    min-height: 80px;
}

.page-app__faq-list {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    padding: 0 15px;
    box-sizing: border-box;
}

.page-app__faq-item {
    background-color: var(--color-dark-bg);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: var(--color-text-light);
}

.page-app__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    user-select: none;
    background-color: #2a2a2a;
    border-bottom: 1px solid #3a3a3a;
    transition: background-color 0.3s ease;
}

.page-app__faq-question:hover {
    background-color: #3a3a3a;
}

.page-app__faq-qtext {
    font-weight: bold;
    font-size: 1.1em;
    color: var(--color-accent-yellow);
    pointer-events: none; /* Ngăn chặn văn bản chặn sự kiện click của summary */
}

.page-app__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--color-accent-yellow);
    pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện click của summary */
    transition: transform 0.3s ease;
}

/* Details element native toggle */
.page-app__faq-item[open] .page-app__faq-toggle {
    transform: rotate(45deg);
}

.page-app__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    color: var(--color-text-light);
}

.page-app__faq-item[open] .page-app__faq-answer {
    max-height: 2000px !important; /* Đảm bảo đủ cao để chứa nội dung */
    padding: 20px !important;
    opacity: 1;
}

.page-app__faq-answer p {
    margin-bottom: 0;
    font-size: 0.95em;
}

.page-app__social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-top: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 15px;
    box-sizing: border-box;
}

.page-app__social-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #3a3a3a;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-app__social-icon:hover {
    transform: translateY(-5px);
    background-color: var(--color-accent-yellow);
}

.page-app__social-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    min-width: 40px; /* Icon nhỏ hơn 200px được phép trong social media */
    min-height: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-app {
        font-size: 15px;
        line-height: 1.5;
    }

    .page-app__hero-section {
        padding: 10px 15px 40px;
    }

    .page-app__main-title {
        font-size: clamp(20px, 6vw, 40px);
    }

    .page-app__description {
        font-size: 1em;
    }

    .page-app__cta-buttons {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px;
    }

    .page-app__btn-primary,
    .page-app__btn-secondary,
    .page-app__btn-tertiary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
    }

    .page-app__section-title {
        font-size: clamp(20px, 5vw, 30px);
        margin-bottom: 30px;
    }

    .page-app__features-section,
    .page-app__download-guide,
    .page-app__game-showcase,
    .page-app__providers-section,
    .page-app__faq-section,
    .page-app__call-to-action,
    .page-app__social-media {
        padding: 40px 15px;
    }

    .page-app__features-grid,
    .page-app__download-options,
    .page-app__game-grid,
    .page-app__providers-grid {
        padding: 0;
    }

    .page-app__feature-card,
    .page-app__download-card,
    .page-app__game-card {
        padding: 20px;
    }

    .page-app img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-app__section,
    .page-app__card,
    .page-app__container,
    .page-app__hero-image-container,
    .page-app__download-card,
    .page-app__feature-card,
    .page-app__game-card,
    .page-app__provider-item,
    .page-app__faq-item,
    .page-app__social-links {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-app__faq-list {
        padding: 0;
    }

    .page-app__faq-question {
        padding: 15px;
    }

    .page-app__faq-answer {
        padding: 0 15px;
    }
    .page-app__faq-item[open] .page-app__faq-answer {
        padding: 15px !important;
    }

    .page-app__social-icon {
        width: 50px;
        height: 50px;
    }

    .page-app__social-icon img {
        width: 30px;
        height: 30px;
        min-width: 30px;
        min-height: 30px;
    }
    /* Ensure list items are full width */
    .page-app ul li,
    .page-app ol li {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }

    .page-app ul,
    .page-app ol {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}

@media (max-width: 480px) {
    .page-app__main-title {
        font-size: clamp(18px, 8vw, 36px);
    }
    .page-app__section-title {
        font-size: clamp(18px, 7vw, 28px);
    }
    .page-app__card-title {
        font-size: 1.3em;
    }
    .page-app__social-links {
        gap: 15px;
    }
    .page-app__social-icon {
        width: 45px;
        height: 45px;
    }
    .page-app__social-icon img {
        width: 25px;
        height: 25px;
        min-width: 25px;
        min-height: 25px;
    }
}