/**
 * bet888 ph Design System
 * Mobile-first gaming platform styles
 */

/* CSS Variables - Color Palette */
:root {
    --g6ba-primary: #4B0082;
    --g6ba-secondary: #8A2BE2;
    --g6ba-dark-bg: #1C2833;
    --g6ba-dark-secondary: #2C3E50;
    --g6ba-light-text: #DCDCDC;
    --g6ba-white: #FFFFFF;
    --g6ba-black: #000000;
    --g6ba-gray-light: #F5F5F5;
    --g6ba-gray-medium: #CCCCCC;
    --g6ba-gray-dark: #666666;
    --g6ba-accent: #FFD700;
    --g6ba-success: #28A745;
    --g6ba-danger: #DC3545;
    --g6ba-warning: #FFC107;
    --g6ba-info: #17A2B8;

    /* Typography */
    --g6ba-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --g6ba-font-size-base: 1.6rem;
    --g6ba-line-height-base: 1.5;

    /* Spacing */
    --g6ba-spacing-xs: 0.5rem;
    --g6ba-spacing-sm: 1rem;
    --g6ba-spacing-md: 1.5rem;
    --g6ba-spacing-lg: 2rem;
    --g6ba-spacing-xl: 3rem;

    /* Border Radius */
    --g6ba-radius-sm: 0.4rem;
    --g6ba-radius-md: 0.8rem;
    --g6ba-radius-lg: 1.2rem;
    --g6ba-radius-full: 50%;

    /* Shadows */
    --g6ba-shadow-sm: 0 0.2rem 0.4rem rgba(0, 0, 0, 0.1);
    --g6ba-shadow-md: 0 0.4rem 0.8rem rgba(0, 0, 0, 0.15);
    --g6ba-shadow-lg: 0 0.8rem 1.6rem rgba(0, 0, 0, 0.2);

    /* Transitions */
    --g6ba-transition: all 0.3s ease;
    --g6ba-transition-fast: all 0.15s ease;
}

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

html {
    font-size: 62.5%; /* 1rem = 10px */
    scroll-behavior: smooth;
}

body {
    font-family: var(--g6ba-font-primary);
    font-size: var(--g6ba-font-size-base);
    line-height: var(--g6ba-line-height-base);
    color: var(--g6ba-light-text);
    background: linear-gradient(135deg, var(--g6ba-dark-bg) 0%, var(--g6ba-dark-secondary) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Layout Components */
.g6ba-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--g6ba-spacing-sm);
    position: relative;
}

.g6ba-wrapper {
    min-height: 100vh;
    padding-bottom: 8rem; /* Space for bottom nav on mobile */
}

.g6ba-grid {
    display: grid;
    gap: var(--g6ba-spacing-sm);
}

.g6ba-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.g6ba-flex-col {
    display: flex;
    flex-direction: column;
}

.g6ba-text-center {
    text-align: center;
}

/* Header Navigation */
.g6ba-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, var(--g6ba-primary) 0%, var(--g6ba-secondary) 100%);
    padding: var(--g6ba-spacing-sm);
    z-index: 1000;
    box-shadow: var(--g6ba-shadow-md);
}

.g6ba-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 430px;
    margin: 0 auto;
}

.g6ba-logo {
    display: flex;
    align-items: center;
    gap: var(--g6ba-spacing-xs);
    text-decoration: none;
    color: var(--g6ba-white);
    font-weight: bold;
    font-size: 1.8rem;
}

.g6ba-logo img {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: var(--g6ba-radius-sm);
}

.g6ba-header-actions {
    display: flex;
    align-items: center;
    gap: var(--g6ba-spacing-sm);
}

.g6ba-btn {
    padding: var(--g6ba-spacing-xs) var(--g6ba-spacing-sm);
    border: none;
    border-radius: var(--g6ba-radius-md);
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--g6ba-transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 4.4rem; /* Touch target size */
    white-space: nowrap;
}

.g6ba-btn-primary {
    background: var(--g6ba-accent);
    color: var(--g6ba-dark-bg);
}

.g6ba-btn-primary:hover {
    background: #E6C200;
    transform: translateY(-0.1rem);
}

.g6ba-btn-outline {
    background: transparent;
    color: var(--g6ba-white);
    border: 0.2rem solid var(--g6ba-white);
}

.g6ba-btn-outline:hover {
    background: var(--g6ba-white);
    color: var(--g6ba-primary);
}

.g6ba-menu-btn {
    background: none;
    border: none;
    color: var(--g6ba-white);
    font-size: 2.4rem;
    cursor: pointer;
    padding: var(--g6ba-spacing-xs);
    border-radius: var(--g6ba-radius-sm);
    transition: var(--g6ba-transition-fast);
}

.g6ba-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu */
.g6ba-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--g6ba-dark-bg);
    z-index: 9999;
    transition: right 0.3s ease;
    padding: var(--g6ba-spacing-lg);
    overflow-y: auto;
}

.g6ba-mobile-menu.active {
    right: 0;
}

.g6ba-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--g6ba-transition);
}

.g6ba-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.g6ba-menu-close {
    position: absolute;
    top: var(--g6ba-spacing-sm);
    right: var(--g6ba-spacing-sm);
    background: none;
    border: none;
    color: var(--g6ba-white);
    font-size: 2.4rem;
    cursor: pointer;
}

.g6ba-menu-nav {
    margin-top: var(--g6ba-spacing-lg);
}

.g6ba-menu-nav ul {
    list-style: none;
}

.g6ba-menu-nav li {
    margin-bottom: var(--g6ba-spacing-sm);
}

.g6ba-menu-nav a {
    color: var(--g6ba-light-text);
    text-decoration: none;
    font-size: 1.6rem;
    padding: var(--g6ba-spacing-sm);
    display: block;
    border-radius: var(--g6ba-radius-sm);
    transition: var(--g6ba-transition-fast);
}

.g6ba-menu-nav a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--g6ba-accent);
}

/* Main Content */
.g6ba-main {
    padding-top: 7rem; /* Space for fixed header */
    min-height: calc(100vh - 7rem);
}

/* Carousel */
.g6ba-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--g6ba-radius-lg);
    margin-bottom: var(--g6ba-spacing-lg);
    box-shadow: var(--g6ba-shadow-lg);
}

.g6ba-carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.g6ba-slide {
    min-width: 100%;
    position: relative;
    cursor: pointer;
}

.g6ba-slide img {
    width: 100%;
    height: 20rem;
    object-fit: cover;
}

.g6ba-slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--g6ba-white);
    padding: var(--g6ba-spacing-lg) var(--g6ba-spacing-md);
}

.g6ba-slide-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: var(--g6ba-spacing-xs);
}

.g6ba-slide-text {
    font-size: 1.4rem;
    opacity: 0.9;
}

.g6ba-carousel-indicators {
    position: absolute;
    bottom: var(--g6ba-spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--g6ba-spacing-xs);
}

.g6ba-indicator {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: var(--g6ba-radius-full);
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--g6ba-transition-fast);
}

.g6ba-indicator.active {
    background: var(--g6ba-accent);
    width: 2.4rem;
}

/* Typography */
.g6ba-h1 {
    font-size: 2.4rem;
    font-weight: bold;
    color: var(--g6ba-white);
    margin-bottom: var(--g6ba-spacing-md);
    text-align: center;
}

.g6ba-h2 {
    font-size: 2rem;
    font-weight: bold;
    color: var(--g6ba-accent);
    margin-bottom: var(--g6ba-spacing-sm);
}

.g6ba-h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--g6ba-white);
    margin-bottom: var(--g6ba-spacing-sm);
}

.g6ba-text {
    font-size: 1.6rem;
    line-height: var(--g6ba-line-height-base);
    color: var(--g6ba-light-text);
    margin-bottom: var(--g6ba-spacing-sm);
}

.g6ba-text-small {
    font-size: 1.4rem;
    color: var(--g6ba-gray-medium);
}

/* Game Grid */
.g6ba-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
    gap: var(--g6ba-spacing-sm);
    margin-bottom: var(--g6ba-spacing-lg);
}

.g6ba-game-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--g6ba-radius-md);
    padding: var(--g6ba-spacing-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--g6ba-transition);
    border: 0.1rem solid transparent;
}

.g6ba-game-card:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--g6ba-accent);
    transform: translateY(-0.2rem);
}

.g6ba-game-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--g6ba-spacing-xs);
    border-radius: var(--g6ba-radius-sm);
    object-fit: cover;
}

.g6ba-game-name {
    font-size: 1.2rem;
    color: var(--g6ba-white);
    font-weight: 500;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Cards */
.g6ba-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--g6ba-radius-lg);
    padding: var(--g6ba-spacing-md);
    margin-bottom: var(--g6ba-spacing-md);
    border: 0.1rem solid rgba(255, 255, 255, 0.1);
    transition: var(--g6ba-transition);
}

.g6ba-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.g6ba-btn-large {
    padding: var(--g6ba-spacing-sm) var(--g6ba-spacing-lg);
    font-size: 1.8rem;
    font-weight: bold;
}

.g6ba-btn-block {
    width: 100%;
    display: block;
}

/* Links */
.g6ba-link {
    color: var(--g6ba-accent);
    text-decoration: none;
    transition: var(--g6ba-transition-fast);
}

.g6ba-link:hover {
    color: #E6C200;
    text-decoration: underline;
}

/* Bottom Navigation */
.g6ba-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--g6ba-dark-bg);
    border-top: 0.1rem solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: var(--g6ba-spacing-xs) 0;
    display: none; /* Hidden by default, shown on mobile */
}

.g6ba-bottom-nav-inner {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 430px;
    margin: 0 auto;
}

.g6ba-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 6rem;
    min-height: 6rem;
    padding: var(--g6ba-spacing-xs);
    cursor: pointer;
    transition: var(--g6ba-transition-fast);
    border: none;
    background: none;
    color: var(--g6ba-gray-medium);
    text-decoration: none;
}

.g6ba-bottom-nav-item:hover,
.g6ba-bottom-nav-item.active {
    color: var(--g6ba-accent);
    transform: scale(1.05);
}

.g6ba-bottom-nav-icon {
    font-size: 2.4rem;
    margin-bottom: 0.2rem;
    transition: var(--g6ba-transition-fast);
}

.g6ba-bottom-nav-text {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
}

/* Footer */
.g6ba-footer {
    background: var(--g6ba-dark-secondary);
    padding: var(--g6ba-spacing-lg) var(--g6ba-spacing-sm);
    margin-top: var(--g6ba-spacing-xl);
    border-top: 0.1rem solid rgba(255, 255, 255, 0.1);
}

.g6ba-footer-content {
    max-width: 430px;
    margin: 0 auto;
}

.g6ba-footer-section {
    margin-bottom: var(--g6ba-spacing-md);
}

.g6ba-footer-title {
    font-size: 1.6rem;
    font-weight: bold;
    color: var(--g6ba-accent);
    margin-bottom: var(--g6ba-spacing-sm);
}

.g6ba-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--g6ba-spacing-sm);
    margin-bottom: var(--g6ba-spacing-md);
}

.g6ba-footer-links a {
    color: var(--g6ba-light-text);
    text-decoration: none;
    font-size: 1.4rem;
    transition: var(--g6ba-transition-fast);
}

.g6ba-footer-links a:hover {
    color: var(--g6ba-accent);
}

.g6ba-partners {
    display: flex;
    flex-wrap: wrap;
    gap: var(--g6ba-spacing-sm);
    justify-content: center;
    margin: var(--g6ba-spacing-md) 0;
}

.g6ba-partner-icon {
    width: 3.2rem;
    height: 3.2rem;
    object-fit: contain;
    opacity: 0.7;
    transition: var(--g6ba-transition);
}

.g6ba-partner-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}

.g6ba-footer-text {
    text-align: center;
    font-size: 1.2rem;
    color: var(--g6ba-gray-medium);
    margin-top: var(--g6ba-spacing-md);
}

/* Scroll to Top */
.g6ba-scroll-top {
    position: fixed;
    bottom: 10rem;
    right: var(--g6ba-spacing-sm);
    background: var(--g6ba-accent);
    color: var(--g6ba-dark-bg);
    border: none;
    border-radius: var(--g6ba-radius-full);
    width: 4.4rem;
    height: 4.4rem;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--g6ba-transition);
    box-shadow: var(--g6ba-shadow-md);
}

.g6ba-scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.g6ba-scroll-top:hover {
    background: #E6C200;
    transform: translateY(-0.2rem);
}

/* Responsive Design */
@media (max-width: 768px) {
    .g6ba-bottom-nav {
        display: block;
    }

    .g6ba-main {
        padding-bottom: 8rem; /* Space for bottom nav */
    }

    .g6ba-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
    }
}

@media (min-width: 769px) {
    .g6ba-container {
        max-width: 1200px;
    }

    .g6ba-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    }

    .g6ba-carousel-inner {
        height: 30rem;
    }

    .g6ba-slide img {
        height: 30rem;
    }
}

/* Utility Classes */
.g6ba-mb-sm { margin-bottom: var(--g6ba-spacing-sm); }
.g6ba-mb-md { margin-bottom: var(--g6ba-spacing-md); }
.g6ba-mb-lg { margin-bottom: var(--g6ba-spacing-lg); }

.g6ba-mt-sm { margin-top: var(--g6ba-spacing-sm); }
.g6ba-mt-md { margin-top: var(--g6ba-spacing-md); }
.g6ba-mt-lg { margin-top: var(--g6ba-spacing-lg); }

.g6ba-p-sm { padding: var(--g6ba-spacing-sm); }
.g6ba-p-md { padding: var(--g6ba-spacing-md); }
.g6ba-p-lg { padding: var(--g6ba-spacing-lg); }

.g6ba-hidden { display: none; }
.g6ba-visible { display: block; }

/* Animations */
@keyframes g6ba-fadeIn {
    from { opacity: 0; transform: translateY(2rem); }
    to { opacity: 1; transform: translateY(0); }
}

.g6ba-fade-in {
    animation: g6ba-fadeIn 0.6s ease-out;
}

@keyframes g6ba-slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.g6ba-slide-in-right {
    animation: g6ba-slideInRight 0.3s ease-out;
}

/* Loading States */
.g6ba-loading {
    position: relative;
    pointer-events: none;
}

.g6ba-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rem;
    height: 2rem;
    margin: -1rem 0 0 -1rem;
    border: 0.2rem solid var(--g6ba-gray-medium);
    border-top-color: var(--g6ba-accent);
    border-radius: var(--g6ba-radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}