/**
 * 4777 port - Core Stylesheet
 * All classes use g8af- prefix for namespace isolation
 * Colors: #8470FF (primary), #1A1A2E (dark bg), #DDA0DD (accent), #B2DFDB (light)
 */

/* CSS Variables */
:root {
    --g8af-primary: #8470FF;
    --g8af-primary-dark: #6A58DD;
    --g8af-bg: #1A1A2E;
    --g8af-bg-light: #252542;
    --g8af-bg-card: #1E1E38;
    --g8af-accent: #DDA0DD;
    --g8af-light: #B2DFDB;
    --g8af-text: #E8E8F0;
    --g8af-text-muted: #A0A0B8;
    --g8af-white: #FFFFFF;
    --g8af-gold: #FFD700;
    --g8af-danger: #FF6B6B;
    --g8af-success: #4ECDC4;
    --g8af-radius: 0.8rem;
    --g8af-radius-sm: 0.4rem;
    --g8af-shadow: 0 2px 12px rgba(0,0,0,0.3);
    --g8af-transition: all 0.3s ease;
    --g8af-font: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
    font-family: var(--g8af-font);
    background: var(--g8af-bg);
    color: var(--g8af-text);
    line-height: 1.5rem;
    font-size: 1.4rem;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--g8af-primary); text-decoration: none; transition: var(--g8af-transition); }
a:hover { color: var(--g8af-accent); }
img { max-width: 100%; height: auto; display: block; }

/* Container */
.g8af-container { max-width: 430px; margin: 0 auto; padding: 0 1.2rem; width: 100%; }
.g8af-wrapper { max-width: 430px; margin: 0 auto; width: 100%; }

/* Header */
.g8af-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: var(--g8af-bg);
    border-bottom: 1px solid rgba(132,112,255,0.15);
    padding: 0.8rem 1.2rem;
    display: flex; align-items: center; justify-content: space-between;
    max-width: 430px; margin: 0 auto;
    transition: var(--g8af-transition);
}
.g8af-header-scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    background: rgba(26,26,46,0.97);
}
.g8af-header-left { display: flex; align-items: center; gap: 0.8rem; }
.g8af-header-logo { width: 28px; height: 28px; border-radius: 6px; }
.g8af-header-brand { color: var(--g8af-white); font-size: 1.6rem; font-weight: 700; }
.g8af-header-right { display: flex; align-items: center; gap: 0.6rem; }
.g8af-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.6rem 1.4rem; border-radius: var(--g8af-radius-sm);
    font-size: 1.2rem; font-weight: 600; cursor: pointer; border: none;
    transition: var(--g8af-transition); text-decoration: none;
    min-height: 36px; min-width: 44px;
}
.g8af-btn:hover { transform: translateY(-1px); }
.g8af-btn-register {
    background: linear-gradient(135deg, var(--g8af-primary), var(--g8af-primary-dark));
    color: var(--g8af-white);
}
.g8af-btn-login {
    background: transparent; color: var(--g8af-primary);
    border: 1.5px solid var(--g8af-primary);
}
.g8af-btn-menu {
    background: transparent; color: var(--g8af-white);
    font-size: 2rem; padding: 0.4rem 0.6rem; border: none; cursor: pointer;
}

/* Mobile Side Menu */
.g8af-menu-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6); z-index: 9998;
    opacity: 0; visibility: hidden; transition: var(--g8af-transition);
}
.g8af-overlay-active { opacity: 1; visibility: visible; }
.g8af-mobile-menu {
    position: fixed; top: 0; left: -280px; width: 280px; height: 100%;
    background: var(--g8af-bg-light); z-index: 9999;
    transition: left 0.3s ease; overflow-y: auto;
    padding: 2rem 1.5rem;
}
.g8af-menu-open { left: 0; }
.g8af-menu-title {
    color: var(--g8af-primary); font-size: 1.8rem; font-weight: 700;
    margin-bottom: 2rem; padding-bottom: 1rem;
    border-bottom: 1px solid rgba(132,112,255,0.2);
}
.g8af-menu-link {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.1rem 1rem; color: var(--g8af-text);
    border-radius: var(--g8af-radius-sm); margin-bottom: 0.3rem;
    transition: var(--g8af-transition); font-size: 1.3rem;
}
.g8af-menu-link:hover, .g8af-menu-link-active {
    background: rgba(132,112,255,0.15); color: var(--g8af-primary);
}
.g8af-menu-link i, .g8af-menu-link .material-icons { font-size: 2rem; width: 24px; text-align: center; }

/* Bottom Navigation */
.g8af-bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
    background: var(--g8af-bg-light);
    border-top: 1px solid rgba(132,112,255,0.2);
    display: flex; justify-content: space-around; align-items: center;
    height: 60px; max-width: 430px; margin: 0 auto;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.3);
}
.g8af-bottom-nav-btn {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-width: 60px; min-height: 60px; background: none; border: none;
    color: var(--g8af-text-muted); cursor: pointer; transition: var(--g8af-transition);
    padding: 0.4rem; gap: 0.2rem;
}
.g8af-bottom-nav-btn i, .g8af-bottom-nav-btn .material-icons {
    font-size: 22px; transition: var(--g8af-transition);
}
.g8af-bottom-nav-btn span { font-size: 1rem; font-weight: 500; }
.g8af-bottom-nav-btn:hover, .g8af-nav-active {
    color: var(--g8af-primary);
}
.g8af-nav-active i, .g8af-nav-active .material-icons {
    transform: scale(1.15);
}
.g8af-bottom-nav-btn:active { transform: scale(0.9); }

/* Main Content */
main { padding-top: 5.5rem; }
@media (max-width: 768px) { main { padding-bottom: 80px; } }

/* Carousel */
.g8af-carousel { position: relative; overflow: hidden; border-radius: var(--g8af-radius); margin: 1rem 0; }
.g8af-carousel-slide { display: none; cursor: pointer; }
.g8af-carousel-slide img { width: 100%; height: auto; border-radius: var(--g8af-radius); }
.g8af-carousel-dots { display: flex; justify-content: center; gap: 0.6rem; padding: 0.8rem 0; }
.g8af-carousel-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--g8af-text-muted); cursor: pointer;
    transition: var(--g8af-transition); border: none;
}
.g8af-dot-active { background: var(--g8af-primary); transform: scale(1.3); }

/* Section Headers */
.g8af-section { padding: 2rem 0; }
.g8af-section-title {
    font-size: 1.8rem; font-weight: 700; color: var(--g8af-white);
    margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.8rem;
}
.g8af-section-title i { color: var(--g8af-primary); font-size: 2rem; }
.g8af-section-subtitle {
    font-size: 1.4rem; color: var(--g8af-text-muted); margin-bottom: 1.5rem;
}

/* Game Grid */
.g8af-game-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}
.g8af-game-item {
    text-align: center; cursor: pointer; transition: var(--g8af-transition);
    border-radius: var(--g8af-radius-sm); padding: 0.5rem;
}
.g8af-game-item:hover { background: rgba(132,112,255,0.1); transform: translateY(-2px); }
.g8af-game-item img {
    width: 100%; aspect-ratio: 1; border-radius: var(--g8af-radius-sm);
    object-fit: cover; margin-bottom: 0.3rem;
}
.g8af-game-name {
    font-size: 1.1rem; color: var(--g8af-text); line-height: 1.3rem;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Category Tabs */
.g8af-category-label {
    font-size: 1.5rem; font-weight: 600; color: var(--g8af-accent);
    margin: 1.5rem 0 1rem; padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--g8af-primary);
    display: inline-block;
}

/* Cards */
.g8af-card {
    background: var(--g8af-bg-card); border-radius: var(--g8af-radius);
    padding: 1.5rem; margin-bottom: 1.2rem; border: 1px solid rgba(132,112,255,0.1);
    transition: var(--g8af-transition);
}
.g8af-card:hover { border-color: rgba(132,112,255,0.3); }
.g8af-card-title {
    font-size: 1.5rem; font-weight: 600; color: var(--g8af-white);
    margin-bottom: 0.8rem;
}
.g8af-card-text { font-size: 1.3rem; color: var(--g8af-text-muted); line-height: 1.8rem; }

/* Promo Buttons */
.g8af-promo-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 1rem 2.4rem; border-radius: var(--g8af-radius);
    background: linear-gradient(135deg, var(--g8af-primary), #9B59B6);
    color: var(--g8af-white); font-size: 1.4rem; font-weight: 700;
    cursor: pointer; border: none; transition: var(--g8af-transition);
    min-height: 44px; text-decoration: none;
}
.g8af-promo-btn:hover {
    background: linear-gradient(135deg, var(--g8af-primary-dark), #8E44AD);
    transform: translateY(-2px); box-shadow: 0 4px 16px rgba(132,112,255,0.4);
    color: var(--g8af-white);
}

/* Text Link */
.g8af-text-link {
    color: var(--g8af-primary); font-weight: 600; cursor: pointer;
    text-decoration: underline; transition: var(--g8af-transition);
}
.g8af-text-link:hover { color: var(--g8af-accent); }

/* Footer */
.g8af-footer {
    background: var(--g8af-bg-light); padding: 2.5rem 1.2rem 3rem;
    margin-top: 2rem; border-top: 1px solid rgba(132,112,255,0.15);
}
.g8af-footer-brand {
    color: var(--g8af-white); font-size: 1.8rem; font-weight: 700;
    margin-bottom: 0.8rem;
}
.g8af-footer-desc { color: var(--g8af-text-muted); font-size: 1.2rem; line-height: 1.6rem; margin-bottom: 1.5rem; }
.g8af-footer-links { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 1.5rem; }
.g8af-footer-link {
    color: var(--g8af-text-muted); font-size: 1.2rem; padding: 0.3rem 0.8rem;
    border: 1px solid rgba(160,160,184,0.3); border-radius: var(--g8af-radius-sm);
    transition: var(--g8af-transition);
}
.g8af-footer-link:hover { color: var(--g8af-primary); border-color: var(--g8af-primary); }
.g8af-footer-copy { color: var(--g8af-text-muted); font-size: 1.1rem; text-align: center; padding-top: 1rem; border-top: 1px solid rgba(132,112,255,0.1); }

/* FAQ Accordion */
.g8af-faq-item { border-bottom: 1px solid rgba(132,112,255,0.1); }
.g8af-faq-q {
    font-size: 1.4rem; font-weight: 600; color: var(--g8af-white);
    padding: 1.2rem 0; cursor: pointer;
}
.g8af-faq-a { font-size: 1.3rem; color: var(--g8af-text-muted); padding-bottom: 1rem; line-height: 1.7rem; }

/* Tips List */
.g8af-tip-item {
    display: flex; gap: 1rem; margin-bottom: 1.2rem;
    padding: 1rem; background: var(--g8af-bg-card);
    border-radius: var(--g8af-radius-sm); border-left: 3px solid var(--g8af-primary);
}
.g8af-tip-num {
    min-width: 2.8rem; height: 2.8rem; border-radius: 50%;
    background: var(--g8af-primary); color: var(--g8af-white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; font-weight: 700;
}
.g8af-tip-text { font-size: 1.3rem; color: var(--g8af-text); line-height: 1.6rem; }

/* Utility */
.g8af-text-center { text-align: center; }
.g8af-mt-1 { margin-top: 0.5rem; }
.g8af-mt-2 { margin-top: 1rem; }
.g8af-mt-3 { margin-top: 1.5rem; }
.g8af-mb-2 { margin-bottom: 1rem; }
.g8af-mb-3 { margin-bottom: 1.5rem; }
.g8af-hidden { display: none; }

/* Desktop: hide bottom nav */
@media (min-width: 769px) {
    .g8af-bottom-nav { display: none; }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .g8af-game-grid { grid-template-columns: repeat(4, 1fr); gap: 0.6rem; }
    .g8af-game-name { font-size: 1rem; }
}

/* Very small screens */
@media (max-width: 360px) {
    .g8af-game-grid { grid-template-columns: repeat(3, 1fr); }
    .g8af-header-brand { font-size: 1.3rem; }
}