/*!
 * Bet100 Universal CSS Design System
 * Mobile-first casino gaming website styles
 * Version: 1.0.0
 * All classes prefixed with 'vb74-' for namespace protection
 */

/* CSS Custom Properties */
:root {
    --vb74-primary: #FF6347;
    --vb74-secondary: #BF360C;
    --vb74-bg: #1C2833;
    --vb74-bg-light: #2C3E50;
    --vb74-bg-card: #34495E;
    --vb74-text: #FFFFFF;
    --vb74-text-light: #BDC3C7;
    --vb74-text-muted: #95A5A6;
    --vb74-border: #48617A;
    --vb74-success: #27AE60;
    --vb74-warning: #F39C12;
    --vb74-error: #E74C3C;
    --vb74-shadow: rgba(0, 0, 0, 0.3);
    --vb74-shadow-light: rgba(0, 0, 0, 0.1);
    --vb74-gradient: linear-gradient(135deg, var(--vb74-primary), var(--vb74-secondary));
    --vb74-gradient-dark: linear-gradient(135deg, var(--vb74-bg), var(--vb74-bg-light));
    --vh: 1vh;
}

/* 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: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 1.4rem;
    line-height: 1.5;
    color: var(--vb74-text);
    background: var(--vb74-bg);
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container and Layout */
.vb74-container {
    width: 100%;
    max-width: 43rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.vb74-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.vb74-main {
    flex: 1;
    padding-top: 7rem;
    padding-bottom: 8rem;
}

/* Typography */
.vb74-h1 {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--vb74-text);
}

.vb74-h2 {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1.2rem;
    color: var(--vb74-text);
}

.vb74-h3 {
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--vb74-text);
}

.vb74-text {
    font-size: 1.4rem;
    line-height: 1.5;
    color: var(--vb74-text-light);
    margin-bottom: 1rem;
}

.vb74-text-small {
    font-size: 1.2rem;
    color: var(--vb74-text-muted);
}

/* Header and Navigation */
.vb74-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--vb74-bg);
    border-bottom: 1px solid var(--vb74-border);
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.vb74-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    height: 5.6rem;
}

.vb74-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: var(--vb74-text);
    font-weight: 700;
    font-size: 1.8rem;
}

.vb74-logo-icon {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 0.6rem;
}

.vb74-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.vb74-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4.4rem;
    height: 4.4rem;
    background: none;
    border: none;
    color: var(--vb74-text);
    font-size: 2rem;
    cursor: pointer;
    border-radius: 0.8rem;
    transition: all 0.3s ease;
}

.vb74-menu-toggle:hover {
    background: var(--vb74-bg-light);
}

.vb74-menu-toggle:active {
    transform: scale(0.95);
}

/* Mobile Navigation Menu */
.vb74-mobile-menu {
    position: fixed;
    top: 5.6rem;
    left: 0;
    right: 0;
    background: var(--vb74-bg);
    border-bottom: 1px solid var(--vb74-border);
    transform: translateY(-100%);
    transition: transform 0.3s ease, visibility 0.3s ease;
    z-index: 999;
    max-height: calc(100vh - 5.6rem);
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
}

.vb74-mobile-menu.vb74-menu-open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
}

.vb74-nav-list {
    list-style: none;
    padding: 1rem 0;
}

.vb74-nav-item {
    border-bottom: 1px solid var(--vb74-border);
}

.vb74-nav-item:last-child {
    border-bottom: none;
}

.vb74-nav-link {
    display: flex;
    align-items: center;
    padding: 1.5rem 2rem;
    color: var(--vb74-text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    min-height: 4.4rem;
}

.vb74-nav-link:hover {
    background: var(--vb74-bg-light);
    color: var(--vb74-primary);
}

.vb74-nav-link.vb74-nav-active {
    background: var(--vb74-primary);
    color: var(--vb74-text);
}

/* Buttons */
.vb74-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.4rem;
    font-size: 1.4rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 4.4rem;
    line-height: 1;
    white-space: nowrap;
}

.vb74-btn-primary {
    background: var(--vb74-gradient);
    color: var(--vb74-text);
    box-shadow: 0 4px 12px var(--vb74-shadow);
}

.vb74-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--vb74-shadow);
}

.vb74-btn-secondary {
    background: var(--vb74-bg-light);
    color: var(--vb74-text);
    border: 1px solid var(--vb74-border);
}

.vb74-btn-secondary:hover {
    background: var(--vb74-bg-card);
    border-color: var(--vb74-primary);
}

.vb74-btn-outline {
    background: transparent;
    color: var(--vb74-primary);
    border: 2px solid var(--vb74-primary);
}

.vb74-btn-outline:hover {
    background: var(--vb74-primary);
    color: var(--vb74-text);
}

.vb74-btn-small {
    padding: 0.8rem 1.6rem;
    font-size: 1.2rem;
    min-height: 3.6rem;
}

.vb74-btn:active {
    transform: scale(0.98);
}

/* Cards */
.vb74-card {
    background: var(--vb74-bg-card);
    border-radius: 1.2rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px var(--vb74-shadow-light);
    border: 1px solid var(--vb74-border);
}

.vb74-card-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--vb74-border);
}

.vb74-card-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--vb74-text);
    margin-bottom: 0.5rem;
}

.vb74-card-subtitle {
    color: var(--vb74-text-muted);
    font-size: 1.2rem;
}

/* Grid System */
.vb74-grid {
    display: grid;
    gap: 1.5rem;
}

.vb74-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.vb74-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.vb74-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.vb74-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

/* Carousel */
.vb74-carousel {
    position: relative;
    width: 100%;
    height: 20rem;
    border-radius: 1.2rem;
    overflow: hidden;
    margin-bottom: 2rem;
}

.vb74-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.vb74-carousel-slide.vb74-slide-active {
    opacity: 1;
}

.vb74-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vb74-carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.4), rgba(0,0,0,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vb74-text);
    text-align: center;
    padding: 2rem;
}

/* Game Grid */
.vb74-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.vb74-game-item {
    background: var(--vb74-bg-card);
    border-radius: 1rem;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--vb74-border);
    min-height: 4.4rem;
}

.vb74-game-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--vb74-shadow);
    border-color: var(--vb74-primary);
}

.vb74-game-item:active {
    transform: scale(0.98);
}

.vb74-game-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.8rem;
    margin-bottom: 0.8rem;
    object-fit: cover;
}

.vb74-game-name {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--vb74-text);
    line-height: 1.2;
}

/* Game Categories */
.vb74-game-category {
    margin-bottom: 3rem;
}

.vb74-category-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--vb74-text);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

/* Promotional Links */
.promo-link {
    color: var(--vb74-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    padding: 0.2rem 0.4rem;
    border-radius: 0.4rem;
}

.promo-link:hover {
    background: var(--vb74-primary);
    color: var(--vb74-text);
    transform: translateY(-1px);
}

/* Footer */
.vb74-footer {
    background: var(--vb74-bg-light);
    padding: 3rem 0 10rem;
    border-top: 1px solid var(--vb74-border);
    margin-top: auto;
}

.vb74-footer-content {
    text-align: center;
}

.vb74-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.vb74-footer-link {
    color: var(--vb74-text-light);
    text-decoration: none;
    font-size: 1.3rem;
    transition: color 0.3s ease;
}

.vb74-footer-link:hover {
    color: var(--vb74-primary);
}

.vb74-partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.vb74-partner-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.4rem;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.vb74-partner-icon:hover {
    opacity: 1;
}

.vb74-copyright {
    color: var(--vb74-text-muted);
    font-size: 1.2rem;
    margin-top: 2rem;
}

/* Mobile Bottom Navigation */
.vb74-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--vb74-bg);
    border-top: 1px solid var(--vb74-border);
    z-index: 999;
    height: 6rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.vb74-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--vb74-text-muted);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    min-height: 4.4rem;
    min-width: 4.4rem;
    padding: 0.5rem;
    border-radius: 0.8rem;
    position: relative;
}

.vb74-bottom-nav-item:hover {
    color: var(--vb74-primary);
    background: var(--vb74-bg-light);
}

.vb74-bottom-nav-item.vb74-nav-active {
    color: var(--vb74-primary);
}

.vb74-bottom-nav-icon {
    font-size: 2rem;
    margin-bottom: 0.2rem;
}

.vb74-bottom-nav-text {
    font-size: 1rem;
    line-height: 1;
}

/* Sections */
.vb74-section {
    padding: 3rem 0;
}

.vb74-section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--vb74-text);
    margin-bottom: 2rem;
    text-align: center;
}

.vb74-section-subtitle {
    color: var(--vb74-text-light);
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.4rem;
}

/* Utility Classes */
.vb74-text-center {
    text-align: center;
}

.vb74-text-left {
    text-align: left;
}

.vb74-text-right {
    text-align: right;
}

.vb74-mb-0 {
    margin-bottom: 0;
}

.vb74-mb-1 {
    margin-bottom: 1rem;
}

.vb74-mb-2 {
    margin-bottom: 2rem;
}

.vb74-mb-3 {
    margin-bottom: 3rem;
}

.vb74-hidden {
    display: none;
}

.vb74-visible {
    display: block;
}

/* Loading States */
.vb74-loading {
    position: relative;
    pointer-events: none;
}

.vb74-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Animations */
@keyframes vb74-fadeIn {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.vb74-fade-in {
    animation: vb74-fadeIn 0.6s ease;
}

/* Mobile Device Optimizations */
.vb74-mobile-device {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Menu Overlay */
.vb74-menu-overlay {
    overflow: hidden;
}

.vb74-menu-overlay::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    pointer-events: none;
}

/* Responsive Design */
@media (min-width: 48rem) {
    .vb74-game-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .vb74-carousel {
        height: 25rem;
    }
    
    .vb74-bottom-nav {
        display: none;
    }
    
    .vb74-main {
        padding-bottom: 3rem;
    }
}

@media (min-width: 64rem) {
    .vb74-container {
        max-width: 64rem;
    }
    
    .vb74-game-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* High DPI Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .vb74-game-icon,
    .vb74-logo-icon,
    .vb74-partner-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --vb74-shadow: rgba(0, 0, 0, 0.5);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .vb74-carousel-slide {
        transition: none;
    }
}

/* Print Styles */
@media print {
    .vb74-header,
    .vb74-bottom-nav,
    .vb74-mobile-menu {
        display: none !important;
    }
    
    .vb74-main {
        padding-top: 0;
        padding-bottom: 0;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .vb74-card {
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}