/**
 * jljl775.xyz Design System CSS
 * Mobile-first responsive design with color palette: #FF8C00, #00BFFF, #0C0C0C, #FFCCCB, #708090
 * All classes use "w91c4-" prefix to avoid conflicts
 */

/* Root Variables */
:root {
    --w91c4-primary: #FF8C00;
    --w91c4-secondary: #00BFFF;
    --w91c4-bg: #0C0C0C;
    --w91c4-text: #FFCCCB;
    --w91c4-muted: #708090;
    --w91c4-white: #ffffff;
    --w91c4-black: #000000;
    
    /* Gradients */
    --w91c4-gradient-primary: linear-gradient(135deg, #FF8C00 0%, #00BFFF 100%);
    --w91c4-gradient-secondary: linear-gradient(45deg, #00BFFF 0%, #FF8C00 100%);
    --w91c4-gradient-dark: linear-gradient(180deg, #0C0C0C 0%, #1a1a1a 100%);
    
    /* Spacing */
    --w91c4-space-xs: 0.5rem;
    --w91c4-space-sm: 1rem;
    --w91c4-space-md: 1.5rem;
    --w91c4-space-lg: 2rem;
    --w91c4-space-xl: 3rem;
    
    /* Typography */
    --w91c4-font-size-xs: 1.2rem;
    --w91c4-font-size-sm: 1.4rem;
    --w91c4-font-size-md: 1.6rem;
    --w91c4-font-size-lg: 1.8rem;
    --w91c4-font-size-xl: 2.4rem;
    --w91c4-font-size-xxl: 3.2rem;
    
    /* Borders */
    --w91c4-radius-sm: 0.4rem;
    --w91c4-radius-md: 0.8rem;
    --w91c4-radius-lg: 1.2rem;
    --w91c4-radius-full: 50%;
    
    /* Shadows */
    --w91c4-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --w91c4-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.16);
    --w91c4-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.25);
    --w91c4-shadow-glow: 0 0 20px rgba(255, 140, 0, 0.3);
}

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

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--w91c4-font-size-md);
    line-height: 1.5;
    color: var(--w91c4-text);
    background: var(--w91c4-bg);
    overflow-x: hidden;
}

/* Container & Layout */
.w91c4-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--w91c4-space-sm);
    width: 100%;
}

.w91c4-wrapper {
    min-height: 100vh;
    padding-top: 6rem;
    padding-bottom: 7rem;
}

.w91c4-grid {
    display: grid;
    gap: var(--w91c4-space-md);
}

.w91c4-flex {
    display: flex;
    align-items: center;
    gap: var(--w91c4-space-sm);
}

.w91c4-flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.w91c4-flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.w91c4-flex-col {
    display: flex;
    flex-direction: column;
    gap: var(--w91c4-space-sm);
}

/* Header */
.w91c4-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(12, 12, 12, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 140, 0, 0.2);
    height: 6rem;
}

.w91c4-nav {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--w91c4-space-sm);
}

.w91c4-logo {
    display: flex;
    align-items: center;
    gap: var(--w91c4-space-xs);
    text-decoration: none;
    color: var(--w91c4-text);
    font-weight: 700;
    font-size: var(--w91c4-font-size-lg);
}

.w91c4-logo img {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: var(--w91c4-radius-sm);
}

.w91c4-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--w91c4-space-xs);
}

.w91c4-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 4.4rem;
    height: 4.4rem;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.w91c4-menu-toggle span {
    display: block;
    width: 2.4rem;
    height: 0.2rem;
    background: var(--w91c4-primary);
    margin: 0.3rem auto;
    transition: all 0.3s ease;
    border-radius: 0.1rem;
}

.w91c4-menu-toggle.w91c4-active span:nth-child(1) {
    transform: rotate(45deg) translate(0.5rem, 0.5rem);
}

.w91c4-menu-toggle.w91c4-active span:nth-child(2) {
    opacity: 0;
}

.w91c4-menu-toggle.w91c4-active span:nth-child(3) {
    transform: rotate(-45deg) translate(0.7rem, -0.6rem);
}

/* Mobile Navigation */
.w91c4-mobile-nav {
    position: fixed;
    top: 6rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(12, 12, 12, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.w91c4-mobile-nav.w91c4-active {
    transform: translateX(0);
}

.w91c4-mobile-nav ul {
    list-style: none;
    padding: var(--w91c4-space-lg) 0;
}

.w91c4-mobile-nav li {
    margin: 0;
}

.w91c4-mobile-nav a {
    display: block;
    padding: var(--w91c4-space-md) var(--w91c4-space-lg);
    color: var(--w91c4-text);
    text-decoration: none;
    font-size: var(--w91c4-font-size-lg);
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 140, 0, 0.1);
    transition: all 0.3s ease;
}

.w91c4-mobile-nav a:hover,
.w91c4-mobile-nav a:focus {
    background: rgba(255, 140, 0, 0.1);
    color: var(--w91c4-primary);
    padding-left: calc(var(--w91c4-space-lg) + var(--w91c4-space-xs));
}

/* Buttons */
.w91c4-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--w91c4-radius-md);
    font-size: var(--w91c4-font-size-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 4.4rem;
    position: relative;
    overflow: hidden;
}

.w91c4-btn-primary {
    background: var(--w91c4-gradient-primary);
    color: var(--w91c4-white);
    box-shadow: var(--w91c4-shadow-md);
}

.w91c4-btn-primary:hover {
    transform: translateY(-0.2rem);
    box-shadow: var(--w91c4-shadow-lg), var(--w91c4-shadow-glow);
}

.w91c4-btn-secondary {
    background: transparent;
    color: var(--w91c4-secondary);
    border: 2px solid var(--w91c4-secondary);
}

.w91c4-btn-secondary:hover {
    background: var(--w91c4-secondary);
    color: var(--w91c4-white);
}

.w91c4-btn-small {
    padding: 0.8rem 1.6rem;
    font-size: var(--w91c4-font-size-xs);
    min-height: 3.6rem;
}

.w91c4-btn-large {
    padding: 1.4rem 3rem;
    font-size: var(--w91c4-font-size-lg);
    min-height: 5.2rem;
}

/* Touch states */
.w91c4-btn.w91c4-touch-active,
.w91c4-btn:active {
    transform: scale(0.95);
}

/* Carousel */
.w91c4-carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--w91c4-radius-lg);
    margin: var(--w91c4-space-md) 0;
    aspect-ratio: 16/9;
    max-height: 20rem;
}

.w91c4-carousel {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;
}

.w91c4-carousel-slide {
    flex: 0 0 100%;
    position: relative;
    cursor: pointer;
}

.w91c4-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--w91c4-radius-lg);
}

.w91c4-carousel-dots {
    position: absolute;
    bottom: var(--w91c4-space-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--w91c4-space-xs);
}

.w91c4-carousel-dot {
    width: 1rem;
    height: 1rem;
    border-radius: var(--w91c4-radius-full);
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.w91c4-carousel-dot.w91c4-active {
    background: var(--w91c4-primary);
    transform: scale(1.2);
}

/* Game Grid */
.w91c4-games-section {
    margin: var(--w91c4-space-lg) 0;
}

.w91c4-section-title {
    font-size: var(--w91c4-font-size-xl);
    font-weight: 700;
    color: var(--w91c4-primary);
    margin-bottom: var(--w91c4-space-md);
    text-align: center;
}

.w91c4-game-category {
    margin-bottom: var(--w91c4-space-lg);
}

.w91c4-category-title {
    font-size: var(--w91c4-font-size-lg);
    font-weight: 600;
    color: var(--w91c4-secondary);
    margin-bottom: var(--w91c4-space-sm);
    text-transform: capitalize;
}

.w91c4-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--w91c4-space-sm);
}

.w91c4-game-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--w91c4-space-xs);
    border-radius: var(--w91c4-radius-md);
    background: rgba(255, 140, 0, 0.05);
    border: 1px solid rgba(255, 140, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    min-height: 8rem;
}

.w91c4-game-item:hover {
    background: rgba(255, 140, 0, 0.1);
    border-color: var(--w91c4-primary);
    transform: translateY(-0.2rem);
}

.w91c4-game-item img {
    width: 4rem;
    height: 4rem;
    border-radius: var(--w91c4-radius-sm);
    margin-bottom: var(--w91c4-space-xs);
    object-fit: cover;
}

.w91c4-game-name {
    font-size: var(--w91c4-font-size-xs);
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
    color: var(--w91c4-text);
}

/* Content Sections */
.w91c4-section {
    margin: var(--w91c4-space-xl) 0;
    padding: var(--w91c4-space-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--w91c4-radius-lg);
    border: 1px solid rgba(255, 140, 0, 0.1);
}

.w91c4-section h2 {
    font-size: var(--w91c4-font-size-xl);
    font-weight: 700;
    color: var(--w91c4-primary);
    margin-bottom: var(--w91c4-space-md);
}

.w91c4-section h3 {
    font-size: var(--w91c4-font-size-lg);
    font-weight: 600;
    color: var(--w91c4-secondary);
    margin: var(--w91c4-space-md) 0 var(--w91c4-space-sm) 0;
}

.w91c4-section p {
    margin-bottom: var(--w91c4-space-sm);
    line-height: 1.6;
    color: var(--w91c4-text);
}

.w91c4-section ul,
.w91c4-section ol {
    margin: var(--w91c4-space-sm) 0;
    padding-left: var(--w91c4-space-lg);
}

.w91c4-section li {
    margin-bottom: var(--w91c4-space-xs);
    color: var(--w91c4-text);
}

.w91c4-section a {
    color: var(--w91c4-secondary);
    text-decoration: none;
    font-weight: 500;
}

.w91c4-section a:hover {
    color: var(--w91c4-primary);
    text-decoration: underline;
}

/* FAQ Styles */
.w91c4-faq-item {
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: var(--w91c4-radius-md);
    margin-bottom: var(--w91c4-space-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.w91c4-faq-question {
    padding: var(--w91c4-space-md);
    background: rgba(255, 140, 0, 0.05);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--w91c4-text);
    border: none;
    width: 100%;
    text-align: left;
    font-size: var(--w91c4-font-size-md);
}

.w91c4-faq-question:hover {
    background: rgba(255, 140, 0, 0.1);
}

.w91c4-faq-question::after {
    content: '+';
    font-size: var(--w91c4-font-size-lg);
    color: var(--w91c4-primary);
    transition: transform 0.3s ease;
}

.w91c4-faq-item.w91c4-active .w91c4-faq-question::after {
    transform: rotate(45deg);
}

.w91c4-faq-answer {
    padding: 0 var(--w91c4-space-md);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.w91c4-faq-item.w91c4-active .w91c4-faq-answer {
    padding: var(--w91c4-space-md);
    max-height: 50rem;
}

/* Bottom Navigation */
.w91c4-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6.4rem;
    background: rgba(12, 12, 12, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 140, 0, 0.2);
    z-index: 1000;
    max-width: 430px;
    margin: 0 auto;
}

.w91c4-bottom-nav-container {
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 var(--w91c4-space-xs);
}

.w91c4-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--w91c4-space-xs);
    border-radius: var(--w91c4-radius-sm);
    transition: all 0.3s ease;
    min-width: 6rem;
    cursor: pointer;
}

.w91c4-nav-item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--w91c4-muted);
    transition: color 0.3s ease;
}

.w91c4-nav-item.w91c4-active a,
.w91c4-nav-item a:hover {
    color: var(--w91c4-primary);
}

.w91c4-nav-item i {
    font-size: 2.4rem;
    margin-bottom: 0.4rem;
}

.w91c4-nav-item span {
    font-size: var(--w91c4-font-size-xs);
    font-weight: 500;
}

.w91c4-nav-item.w91c4-clicked {
    transform: scale(0.9);
}

/* Footer */
.w91c4-footer {
    background: var(--w91c4-gradient-dark);
    padding: var(--w91c4-space-xl) 0;
    margin-top: var(--w91c4-space-xl);
    border-top: 1px solid rgba(255, 140, 0, 0.2);
}

.w91c4-footer-content {
    text-align: center;
}

.w91c4-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--w91c4-space-md);
    margin-bottom: var(--w91c4-space-lg);
}

.w91c4-footer-links a {
    color: var(--w91c4-text);
    text-decoration: none;
    font-size: var(--w91c4-font-size-sm);
    padding: var(--w91c4-space-xs) var(--w91c4-space-sm);
    border-radius: var(--w91c4-radius-sm);
    transition: all 0.3s ease;
}

.w91c4-footer-links a:hover {
    color: var(--w91c4-primary);
    background: rgba(255, 140, 0, 0.1);
}

.w91c4-partners {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--w91c4-space-sm);
    margin: var(--w91c4-space-lg) 0;
}

.w91c4-partner-logo {
    width: 100%;
    height: 4rem;
    object-fit: contain;
    filter: grayscale(1) opacity(0.7);
    transition: all 0.3s ease;
}

.w91c4-partner-logo:hover {
    filter: grayscale(0) opacity(1);
    transform: scale(1.1);
}

.w91c4-copyright {
    font-size: var(--w91c4-font-size-xs);
    color: var(--w91c4-muted);
    margin-top: var(--w91c4-space-lg);
}

/* Utility Classes */
.w91c4-text-center { text-align: center; }
.w91c4-text-left { text-align: left; }
.w91c4-text-right { text-align: right; }

.w91c4-font-bold { font-weight: 700; }
.w91c4-font-semibold { font-weight: 600; }
.w91c4-font-medium { font-weight: 500; }

.w91c4-text-primary { color: var(--w91c4-primary); }
.w91c4-text-secondary { color: var(--w91c4-secondary); }
.w91c4-text-muted { color: var(--w91c4-muted); }

.w91c4-bg-primary { background: var(--w91c4-primary); }
.w91c4-bg-secondary { background: var(--w91c4-secondary); }
.w91c4-bg-gradient { background: var(--w91c4-gradient-primary); }

.w91c4-mb-sm { margin-bottom: var(--w91c4-space-sm); }
.w91c4-mb-md { margin-bottom: var(--w91c4-space-md); }
.w91c4-mb-lg { margin-bottom: var(--w91c4-space-lg); }

.w91c4-mt-sm { margin-top: var(--w91c4-space-sm); }
.w91c4-mt-md { margin-top: var(--w91c4-space-md); }
.w91c4-mt-lg { margin-top: var(--w91c4-space-lg); }

.w91c4-hidden { display: none; }
.w91c4-visible { display: block; }

/* Responsive Design */
@media (max-width: 375px) {
    .w91c4-container {
        padding: 0 1rem;
    }
    
    .w91c4-game-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .w91c4-partners {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 320px) {
    .w91c4-game-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--w91c4-space-xs);
    }
    
    .w91c4-partners {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Loading States */
.w91c4-lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.w91c4-lazy.w91c4-loaded {
    opacity: 1;
}

/* Print Styles */
@media print {
    .w91c4-header,
    .w91c4-bottom-nav,
    .w91c4-menu-toggle,
    .w91c4-mobile-nav {
        display: none;
    }
    
    .w91c4-wrapper {
        padding-top: 0;
        padding-bottom: 0;
    }
}