/**
 * BW777 Gaming Platform - Design Stylesheet
 * Version: 1.0.0
 * Description: Mobile-first responsive design for BW777 online casino platform
 */

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

html {
    font-size: 62.5%; /* Base font size for rem calculations */
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5rem;
    color: var(--g68c-text-primary);
    background-color: var(--g68c-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* CSS Variables */
:root {
    /* Color Palette */
    --g68c-primary: #EEE8AA;
    --g68c-secondary: #EEEEEE;
    --g68c-tertiary: #ECF0F1;
    --g68c-accent: #FFEF94;
    --g68c-dark: #273746;
    --g68c-darker: #36454F;

    /* Text Colors */
    --g68c-text-primary: #FFFFFF;
    --g68c-text-secondary: var(--g68c-secondary);
    --g68c-text-accent: var(--g68c-primary);
    --g68c-text-dark: var(--g68c-dark);

    /* Background Colors */
    --g68c-bg-primary: var(--g68c-dark);
    --g68c-bg-secondary: var(--g68c-darker);
    --g68c-bg-card: rgba(54, 69, 79, 0.8);
    --g68c-bg-overlay: rgba(39, 55, 70, 0.95);

    /* Gradient Colors */
    --g68c-gradient-primary: linear-gradient(135deg, var(--g68c-darker), var(--g68c-dark));
    --g68c-gradient-accent: linear-gradient(135deg, var(--g68c-accent), var(--g68c-primary));
    --g68c-gradient-overlay: linear-gradient(180deg, transparent, rgba(39, 55, 70, 0.8));

    /* Spacing */
    --g68c-spacing-xs: 0.4rem;
    --g68c-spacing-sm: 0.8rem;
    --g68c-spacing-md: 1.6rem;
    --g68c-spacing-lg: 2.4rem;
    --g68c-spacing-xl: 3.2rem;

    /* Border Radius */
    --g68c-radius-sm: 0.4rem;
    --g68c-radius-md: 0.8rem;
    --g68c-radius-lg: 1.2rem;

    /* Shadows */
    --g68c-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --g68c-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
    --g68c-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);

    /* Z-index Values */
    --g68c-z-dropdown: 1000;
    --g68c-z-sticky: 1020;
    --g68c-z-fixed: 1030;
    --g68c-z-modal-backdrop: 1040;
    --g68c-z-modal: 1050;
    --g68c-z-popover: 1060;
    --g68c-z-tooltip: 1070;
}

/* Container and Layout */
.g68c-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--g68c-spacing-sm);
    position: relative;
}

.g68c-wrapper {
    min-height: 100vh;
    background: var(--g68c-bg-primary);
}

/* Header Styles */
.g68c-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--g68c-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: var(--g68c-z-fixed);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.g68c-header.g68c-scrolled {
    box-shadow: var(--g68c-shadow-md);
}

.g68c-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--g68c-spacing-sm) 0;
    height: 56px;
}

.g68c-logo {
    display: flex;
    align-items: center;
    gap: var(--g68c-spacing-xs);
    text-decoration: none;
    color: var(--g68c-text-primary);
    font-size: 1.8rem;
    font-weight: bold;
}

.g68c-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--g68c-radius-sm);
}

.g68c-header-actions {
    display: flex;
    align-items: center;
    gap: var(--g68c-spacing-sm);
}

.g68c-btn {
    padding: var(--g68c-spacing-xs) var(--g68c-spacing-md);
    background: var(--g68c-gradient-accent);
    color: var(--g68c-text-dark);
    border: none;
    border-radius: var(--g68c-radius-md);
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    min-height: 44px;
    min-width: 44px;
}

.g68c-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--g68c-shadow-md);
}

.g68c-btn:active {
    transform: translateY(0);
}

.g68c-btn.g68c-btn-outline {
    background: transparent;
    border: 2px solid var(--g68c-primary);
    color: var(--g68c-primary);
}

.g68c-menu-btn {
    background: transparent;
    border: none;
    color: var(--g68c-text-primary);
    font-size: 2.4rem;
    cursor: pointer;
    padding: var(--g68c-spacing-xs);
    border-radius: var(--g68c-radius-sm);
    transition: all 0.3s ease;
    display: none;
}

.g68c-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Desktop Navigation */
.g68c-desktop-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--g68c-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.g68c-desktop-nav.g68c-expanded {
    display: block;
}

.g68c-nav-list {
    list-style: none;
    padding: var(--g68c-spacing-md);
}

.g68c-nav-item {
    margin-bottom: var(--g68c-spacing-sm);
}

.g68c-nav-link {
    color: var(--g68c-text-primary);
    text-decoration: none;
    font-size: 1.6rem;
    padding: var(--g68c-spacing-sm);
    border-radius: var(--g68c-radius-sm);
    transition: all 0.3s ease;
    display: block;
}

.g68c-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--g68c-primary);
}

/* Mobile Navigation */
.g68c-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--g68c-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.g68c-mobile-menu.g68c-active {
    right: 0;
}

.g68c-mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--g68c-spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.g68c-mobile-menu-close {
    background: transparent;
    border: none;
    color: var(--g68c-text-primary);
    font-size: 2.4rem;
    cursor: pointer;
    padding: var(--g68c-spacing-xs);
}

.g68c-mobile-menu-body {
    padding: var(--g68c-spacing-md);
}

/* Main Content */
.g68c-main {
    padding-top: 56px; /* Header height */
    padding-bottom: 80px; /* Bottom nav height + clearance */
    min-height: 100vh;
}

.g68c-section {
    padding: var(--g68c-spacing-lg) 0;
}

.g68c-section-title {
    font-size: 2.4rem;
    font-weight: bold;
    color: var(--g68c-text-primary);
    margin-bottom: var(--g68c-spacing-md);
    text-align: center;
}

.g68c-section-subtitle {
    font-size: 1.6rem;
    color: var(--g68c-text-secondary);
    margin-bottom: var(--g68c-spacing-lg);
    text-align: center;
}

/* Carousel */
.g68c-carousel {
    position: relative;
    width: 100%;
    height: 200px;
    margin-bottom: var(--g68c-spacing-lg);
    border-radius: var(--g68c-radius-lg);
    overflow: hidden;
}

.g68c-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    cursor: pointer;
}

.g68c-carousel-slide.g68c-active {
    opacity: 1;
}

.g68c-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.g68c-carousel-dots {
    position: absolute;
    bottom: var(--g68c-spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--g68c-spacing-xs);
    z-index: 10;
}

.g68c-carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.g68c-carousel-dot.g68c-active,
.g68c-carousel-dot:hover {
    background: var(--g68c-primary);
    width: 24px;
    border-radius: 4px;
}

/* Game Grid */
.g68c-game-category {
    margin-bottom: var(--g68c-spacing-xl);
}

.g68c-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--g68c-spacing-md);
    padding: 0 var(--g68c-spacing-sm);
}

.g68c-category-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--g68c-text-primary);
}

.g68c-category-icon {
    font-size: 2.4rem;
    color: var(--g68c-primary);
}

.g68c-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--g68c-spacing-xs);
    padding: 0 var(--g68c-spacing-sm);
}

.g68c-game-item {
    aspect-ratio: 1;
    background: var(--g68c-bg-card);
    border-radius: var(--g68c-radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.g68c-game-item:hover,
.g68c-game-item.g68c-touched {
    transform: scale(1.05);
    border-color: var(--g68c-primary);
    box-shadow: var(--g68c-shadow-md);
}

.g68c-game-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.g68c-game-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.8));
    color: var(--g68c-text-primary);
    font-size: 1rem;
    font-weight: 500;
    padding: var(--g68c-spacing-xs);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Content Sections */
.g68c-content-section {
    background: var(--g68c-bg-card);
    border-radius: var(--g68c-radius-lg);
    padding: var(--g68c-spacing-lg);
    margin-bottom: var(--g68c-spacing-lg);
}

.g68c-content-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--g68c-text-primary);
    margin-bottom: var(--g68c-spacing-md);
    display: flex;
    align-items: center;
    gap: var(--g68c-spacing-sm);
}

.g68c-content-title .g68c-icon {
    color: var(--g68c-primary);
}

.g68c-content-body {
    color: var(--g68c-text-secondary);
    font-size: 1.4rem;
    line-height: 1.8;
}

.g68c-feature-list {
    list-style: none;
    margin: var(--g68c-spacing-md) 0;
}

.g68c-feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--g68c-spacing-sm);
    margin-bottom: var(--g68c-spacing-sm);
    color: var(--g68c-text-secondary);
    font-size: 1.4rem;
}

.g68c-feature-icon {
    color: var(--g68c-primary);
    font-size: 1.6rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* Bottom Navigation */
.g68c-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--g68c-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: var(--g68c-z-fixed);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.g68c-bottom-nav.g68c-hidden {
    transform: translateY(100%);
}

.g68c-bottom-nav-list {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 64px;
    list-style: none;
}

.g68c-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--g68c-spacing-xs);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--g68c-text-secondary);
    position: relative;
    min-height: 60px;
    min-width: 60px;
}

.g68c-bottom-nav-item:hover,
.g68c-bottom-nav-item.g68c-active {
    color: var(--g68c-primary);
    transform: scale(1.05);
}

.g68c-bottom-nav-icon {
    font-size: 2.4rem;
    margin-bottom: 0.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 28px;
}

.g68c-bottom-nav-text {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    line-height: 1;
}

.g68c-bottom-nav-badge {
    position: absolute;
    top: var(--g68c-spacing-xs);
    right: 50%;
    transform: translateX(8px);
    background: var(--g68c-accent);
    color: var(--g68c-text-dark);
    font-size: 1rem;
    font-weight: bold;
    padding: 0.2rem 0.4rem;
    border-radius: 1rem;
    min-width: 1.8rem;
    text-align: center;
}

/* Footer */
.g68c-footer {
    background: var(--g68c-bg-secondary);
    padding: var(--g68c-spacing-lg) 0 var(--g68c-spacing-xl);
    margin-top: var(--g68c-spacing-xl);
}

.g68c-footer-content {
    text-align: center;
}

.g68c-partners {
    margin-bottom: var(--g68c-spacing-lg);
}

.g68c-partners-title {
    font-size: 1.4rem;
    color: var(--g68c-text-secondary);
    margin-bottom: var(--g68c-spacing-md);
}

.g68c-partners-list {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--g68c-spacing-sm);
}

.g68c-partner-item {
    width: 40px;
    height: 40px;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.g68c-partner-item:hover {
    opacity: 1;
}

.g68c-partner-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.g68c-footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--g68c-spacing-md);
    margin-bottom: var(--g68c-spacing-md);
}

.g68c-footer-link {
    color: var(--g68c-text-secondary);
    text-decoration: none;
    font-size: 1.4rem;
    transition: color 0.3s ease;
}

.g68c-footer-link:hover {
    color: var(--g68c-primary);
}

.g68c-copyright {
    color: var(--g68c-text-secondary);
    font-size: 1.2rem;
    margin-top: var(--g68c-spacing-md);
}

/* Utility Classes */
.g68c-text-center {
    text-align: center;
}

.g68c-text-primary {
    color: var(--g68c-primary);
}

.g68c-mt-sm { margin-top: var(--g68c-spacing-sm); }
.g68c-mt-md { margin-top: var(--g68c-spacing-md); }
.g68c-mt-lg { margin-top: var(--g68c-spacing-lg); }
.g68c-mb-sm { margin-bottom: var(--g68c-spacing-sm); }
.g68c-mb-md { margin-bottom: var(--g68c-spacing-md); }
.g68c-mb-lg { margin-bottom: var(--g68c-spacing-lg); }

.g68c-p-sm { padding: var(--g68c-spacing-sm); }
.g68c-p-md { padding: var(--g68c-spacing-md); }
.g68c-p-lg { padding: var(--g68c-spacing-lg); }

.g68c-hidden {
    display: none !important;
}

.g68c-visible {
    display: block !important;
}

/* Responsive Design */
@media (min-width: 769px) {
    .g68c-container {
        max-width: 1200px;
        padding: 0 var(--g68c-spacing-md);
    }

    .g68c-menu-btn {
        display: none;
    }

    .g68c-desktop-nav {
        display: block;
        position: static;
        background: transparent;
        backdrop-filter: none;
    }

    .g68c-nav-list {
        display: flex;
        gap: var(--g68c-spacing-md);
        padding: 0;
    }

    .g68c-nav-item {
        margin: 0;
    }

    .g68c-main {
        padding-bottom: var(--g68c-spacing-xl);
    }

    .g68c-bottom-nav {
        display: none;
    }

    .g68c-game-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: var(--g68c-spacing-sm);
    }

    .g68c-carousel {
        height: 300px;
    }

    .g68c-mobile-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .g68c-menu-btn {
        display: block;
    }

    .g68c-desktop-nav {
        display: none;
    }

    .g68c-mobile-menu {
        display: block;
    }
}

/* Animation Classes */
@keyframes g68c-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.g68c-fade-in {
    animation: g68c-fadeIn 0.6s ease forwards;
}

@keyframes g68c-pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.g68c-pulse {
    animation: g68c-pulse 2s ease infinite;
}

/* Loading and Error States */
.g68c-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--g68c-spacing-lg);
    color: var(--g68c-text-secondary);
}

.g68c-error {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    color: #fca5a5;
    padding: var(--g68c-spacing-md);
    border-radius: var(--g68c-radius-sm);
    font-size: 1.4rem;
}

/* Accessibility */
.g68c-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus States */
.g68c-btn:focus,
.g68c-game-item:focus,
.g68c-bottom-nav-item:focus {
    outline: 2px solid var(--g68c-primary);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .g68c-btn {
        border: 2px solid currentColor;
    }

    .g68c-game-item {
        border: 1px solid var(--g68c-text-secondary);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}