/**
 * em77 Website Stylesheet
 * Prefix: ui7f- - All classes use this prefix
 * Color Palette: #FAFAFA (light) | #87CEFA (accent) | #1A1A2E (dark)
 */

/* CSS Variables */
:root {
    --ui7f-primary: #87CEFA;
    --ui7f-bg: #1A1A2E;
    --ui7f-text: #FAFAFA;
    --ui7f-bg-light: #2A2A3E;
    --ui7f-bg-card: #252538;
    --ui7f-border: #3A3A4E;
    --ui7f-gradient: linear-gradient(135deg, #87CEFA 0%, #5BA3D9 100%);
    --ui7f-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --ui7f-radius: 8px;
    --ui7f-radius-lg: 12px;
}

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 1.6rem;
    line-height: 1.5;
    background-color: var(--ui7f-bg);
    color: var(--ui7f-text);
    max-width: 430px;
    margin: 0 auto;
    overflow-x: hidden;
}

a {
    color: var(--ui7f-primary);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.ui7f-container {
    width: 100%;
    padding: 0 1.6rem;
}

.ui7f-wrapper {
    max-width: 430px;
    margin: 0 auto;
}

/* Header */
.ui7f-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--ui7f-bg);
    border-bottom: 1px solid var(--ui7f-border);
    max-width: 430px;
    margin: 0 auto;
}

.ui7f-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.6rem;
    height: 60px;
}

.ui7f-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.ui7f-logo img {
    width: 32px;
    height: 32px;
}

.ui7f-logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ui7f-primary);
}

.ui7f-header-actions {
    display: flex;
    gap: 0.8rem;
}

.ui7f-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    border-radius: var(--ui7f-radius);
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    min-height: 44px;
    min-width: 44px;
}

.ui7f-btn-primary {
    background: var(--ui7f-gradient);
    color: var(--ui7f-bg);
}

.ui7f-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.ui7f-btn-secondary {
    background: transparent;
    border: 1px solid var(--ui7f-primary);
    color: var(--ui7f-primary);
}

.ui7f-btn-secondary:hover {
    background: rgba(135, 206, 250, 0.1);
}

/* Mobile Menu Toggle */
.ui7f-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.ui7f-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--ui7f-text);
    transition: all 0.3s ease;
}

/* Mobile Menu */
.ui7f-mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--ui7f-bg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    max-width: 430px;
    margin: 0 auto;
}

.web7fa-menu-open {
    transform: translateX(0);
}

.ui7f-menu-overlay {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
    max-width: 430px;
    margin: 0 auto;
}

.web7fa-overlay-visible {
    opacity: 1;
    visibility: visible;
}

.ui7f-nav-list {
    list-style: none;
    padding: 1.6rem;
}

.ui7f-nav-item {
    margin-bottom: 0.8rem;
}

.ui7f-nav-link {
    display: block;
    padding: 1.2rem 1.6rem;
    color: var(--ui7f-text);
    font-size: 1.6rem;
    border-radius: var(--ui7f-radius);
    transition: all 0.3s ease;
}

.ui7f-nav-link:hover {
    background-color: var(--ui7f-bg-light);
    color: var(--ui7f-primary);
}

/* Main Content */
.ui7f-main {
    padding-top: 60px;
    padding-bottom: 80px;
}

/* Carousel */
.ui7f-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.ui7f-carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.ui7f-slide {
    min-width: 100%;
    position: relative;
}

.ui7f-slide img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.web7fa-active {
    display: block;
}

.ui7f-carousel-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.8rem;
}

.ui7f-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(250, 250, 250, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.ui7f-indicator.web7fa-active {
    background-color: var(--ui7f-primary);
}

/* Section */
.ui7f-section {
    padding: 2rem 1.6rem;
}

.ui7f-section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.6rem;
    color: var(--ui7f-primary);
    text-align: center;
}

/* Game Grid */
.ui7f-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.ui7f-game-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.8rem;
    background-color: var(--ui7f-bg-card);
    border-radius: var(--ui7f-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.ui7f-game-card:hover {
    transform: translateY(-2px);
    background-color: var(--ui7f-bg-light);
}

.ui7f-game-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--ui7f-radius);
    object-fit: cover;
    margin-bottom: 0.5rem;
}

.ui7f-game-name {
    font-size: 1.1rem;
    text-align: center;
    color: var(--ui7f-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
}

/* Category Title */
.ui7f-category-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    padding-left: 1.6rem;
    color: var(--ui7f-primary);
    border-left: 4px solid var(--ui7f-primary);
}

/* Cards */
.ui7f-card {
    background-color: var(--ui7f-bg-card);
    border-radius: var(--ui7f-radius-lg);
    padding: 1.6rem;
    margin-bottom: 1.6rem;
}

.ui7f-card-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--ui7f-primary);
}

.ui7f-card-text {
    font-size: 1.4rem;
    line-height: 1.6;
    color: var(--ui7f-text);
}

/* Footer */
.ui7f-footer {
    background-color: var(--ui7f-bg-light);
    padding: 2rem 1.6rem;
    padding-bottom: 8rem;
}

.ui7f-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.6rem;
}

.ui7f-footer-link {
    font-size: 1.3rem;
    color: var(--ui7f-text);
    opacity: 0.8;
}

.ui7f-footer-link:hover {
    color: var(--ui7f-primary);
    opacity: 1;
}

.ui7f-partners {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin: 1.6rem 0;
}

.ui7f-partner-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.ui7f-partner-icon:hover {
    opacity: 1;
}

.ui7f-copyright {
    text-align: center;
    font-size: 1.2rem;
    color: var(--ui7f-text);
    opacity: 0.6;
    margin-top: 1.6rem;
}

/* Bottom Navigation */
.ui7f-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--ui7f-bg);
    border-top: 1px solid var(--ui7f-border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 64px;
    z-index: 1000;
    max-width: 430px;
    margin: 0 auto;
}

.ui7f-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    color: var(--ui7f-text);
    opacity: 0.7;
    transition: all 0.3s ease;
    min-width: 44px;
    min-height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.ui7f-nav-btn:hover,
.ui7f-nav-btn.active {
    color: var(--ui7f-primary);
    opacity: 1;
}

.ui7f-nav-btn i {
    font-size: 2.2rem;
    margin-bottom: 0.2rem;
}

.ui7f-nav-btn span {
    font-size: 1rem;
}

/* FAQ Section */
.ui7f-faq-item {
    background-color: var(--ui7f-bg-card);
    border-radius: var(--ui7f-radius);
    margin-bottom: 1rem;
    overflow: hidden;
}

.ui7f-faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.6rem;
    cursor: pointer;
    font-weight: 500;
}

.ui7f-faq-answer {
    padding: 0 1.6rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.web7fa-faq-open {
    max-height: 500px;
    padding: 0 1.6rem 1.2rem;
}

/* Features Grid */
.ui7f-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.ui7f-feature-item {
    background-color: var(--ui7f-bg-card);
    border-radius: var(--ui7f-radius);
    padding: 1.2rem;
    text-align: center;
}

.ui7f-feature-icon {
    font-size: 2.4rem;
    color: var(--ui7f-primary);
    margin-bottom: 0.8rem;
}

.ui7f-feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.ui7f-feature-desc {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* Promotional Banner */
.ui7f-promo-banner {
    background: var(--ui7f-gradient);
    border-radius: var(--ui7f-radius-lg);
    padding: 2rem;
    text-align: center;
    margin: 1.6rem;
}

.ui7f-promo-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ui7f-bg);
    margin-bottom: 0.8rem;
}

.ui7f-promo-text {
    font-size: 1.4rem;
    color: var(--ui7f-bg);
    margin-bottom: 1.6rem;
}

.ui7f-promo-btn {
    background-color: var(--ui7f-bg);
    color: var(--ui7f-primary);
    padding: 1rem 2rem;
    border-radius: var(--ui7f-radius);
    font-weight: 600;
    display: inline-block;
}

/* List Styles */
.ui7f-list {
    list-style: none;
    padding: 0;
}

.ui7f-list-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--ui7f-border);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.ui7f-list-item:last-child {
    border-bottom: none;
}

.ui7f-list-icon {
    color: var(--ui7f-primary);
    font-size: 1.6rem;
    margin-top: 0.2rem;
}

/* Text Utilities */
.ui7f-text-center {
    text-align: center;
}

.ui7f-text-primary {
    color: var(--ui7f-primary);
}

.ui7f-text-bold {
    font-weight: 700;
}

.ui7f-mb-1 {
    margin-bottom: 0.8rem;
}

.ui7f-mb-2 {
    margin-bottom: 1.6rem;
}

.ui7f-mb-3 {
    margin-bottom: 2.4rem;
}

/* H1 Title */
.ui7f-h1 {
    font-size: 2.4rem;
    font-weight: 700;
    text-align: center;
    margin: 1.6rem 0;
    color: var(--ui7f-primary);
    line-height: 1.3;
}

/* Paragraph */
.ui7f-paragraph {
    font-size: 1.4rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
    color: var(--ui7f-text);
}

/* Affiliate Link Styles */
.ui7f-affiliate-link {
    color: var(--ui7f-primary);
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
}

.ui7f-affiliate-link:hover {
    color: #A8D8FF;
}

/* Responsive */
@media (max-width: 380px) {
    .ui7f-game-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ui7f-game-icon {
        width: 50px;
        height: 50px;
    }
}