/* beeph Gaming Platform - Design System CSS */
/* All classes use ui18- prefix for namespace isolation */

/* CSS Variables for consistent theming */
:root {
    /* Color palette based on requirements */
    --ui18-primary-dark: #0E1621;
    --ui18-primary-light: #F5DEB3;
    --ui18-accent-gold: #CD853F;
    --ui18-accent-hover: #B8742F;
    --ui18-text-primary: #FFFFFF;
    --ui18-text-secondary: #E8D4A8;
    --ui18-text-muted: #A0A0A0;
    --ui18-border-color: rgba(205, 133, 63, 0.3);
    --ui18-overlay-bg: rgba(14, 22, 33, 0.95);
    --ui18-card-bg: rgba(14, 22, 33, 0.8);
    --ui18-gradient-primary: linear-gradient(135deg, var(--ui18-accent-gold), var(--ui18-accent-hover));
    --ui18-gradient-dark: linear-gradient(180deg, var(--ui18-primary-dark), #1A2332);

    /* Spacing and sizing */
    --ui18-border-radius-sm: 4px;
    --ui18-border-radius-md: 8px;
    --ui18-border-radius-lg: 12px;
    --ui18-border-radius-xl: 16px;
    --ui18-spacing-xs: 4px;
    --ui18-spacing-sm: 8px;
    --ui18-spacing-md: 16px;
    --ui18-spacing-lg: 24px;
    --ui18-spacing-xl: 32px;

    /* Typography */
    --ui18-font-size-xs: 10px;
    --ui18-font-size-sm: 12px;
    --ui18-font-size-md: 14px;
    --ui18-font-size-lg: 16px;
    --ui18-font-size-xl: 18px;
    --ui18-font-size-xxl: 24px;
    --ui18-font-size-xxxl: 32px;

    /* Shadows and effects */
    --ui18-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --ui18-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --ui18-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    --ui18-glow-effect: 0 0 20px rgba(205, 133, 63, 0.3);

    /* Animations */
    --ui18-transition-fast: 0.15s ease;
    --ui18-transition-normal: 0.3s ease;
    --ui18-transition-slow: 0.5s ease;
}

/* Base styles */
* {
    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, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: var(--ui18-font-size-md);
    line-height: 1.5;
    color: var(--ui18-text-primary);
    background: var(--ui18-gradient-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container utilities */
.ui18-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--ui18-spacing-md);
}

.ui18-wrapper {
    padding: var(--ui18-spacing-md);
}

/* Grid system */
.ui18-grid {
    display: grid;
    gap: var(--ui18-spacing-md);
}

.ui18-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.ui18-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.ui18-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.ui18-flex {
    display: flex;
}

.ui18-flex-center {
    justify-content: center;
    align-items: center;
}

.ui18-flex-between {
    justify-content: space-between;
    align-items: center;
}

.ui18-flex-column {
    flex-direction: column;
}

/* Typography */
.ui18-h1 {
    font-size: var(--ui18-font-size-xxxl);
    font-weight: 700;
    margin-bottom: var(--ui18-spacing-md);
    color: var(--ui18-accent-gold);
    text-align: center;
}

.ui18-h2 {
    font-size: var(--ui18-font-size-xxl);
    font-weight: 600;
    margin-bottom: var(--ui18-spacing-md);
    color: var(--ui18-primary-light);
}

.ui18-h3 {
    font-size: var(--ui18-font-size-xl);
    font-weight: 600;
    margin-bottom: var(--ui18-spacing-sm);
    color: var(--ui18-accent-gold);
}

.ui18-text {
    color: var(--ui18-text-secondary);
    margin-bottom: var(--ui18-spacing-md);
}

.ui18-text-small {
    font-size: var(--ui18-font-size-sm);
    color: var(--ui18-text-muted);
}

/* Header styles */
.ui18-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--ui18-overlay-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ui18-border-color);
    z-index: 1000;
    transition: all var(--ui18-transition-normal);
}

.ui18-header-content {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--ui18-spacing-md);
}

.ui18-logo {
    display: flex;
    align-items: center;
    gap: var(--ui18-spacing-sm);
    font-size: var(--ui18-font-size-lg);
    font-weight: 600;
    color: var(--ui18-accent-gold);
    text-decoration: none;
}

.ui18-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--ui18-border-radius-sm);
}

.ui18-nav-actions {
    display: flex;
    gap: var(--ui18-spacing-sm);
}

.ui18-btn {
    padding: var(--ui18-spacing-sm) var(--ui18-spacing-md);
    border: none;
    border-radius: var(--ui18-border-radius-md);
    font-size: var(--ui18-font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--ui18-transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--ui18-spacing-xs);
    min-height: 36px;
}

.ui18-btn-primary {
    background: var(--ui18-gradient-primary);
    color: var(--ui18-text-primary);
}

.ui18-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--ui18-glow-effect);
}

.ui18-btn-secondary {
    background: transparent;
    color: var(--ui18-primary-light);
    border: 1px solid var(--ui18-border-color);
}

.ui18-btn-secondary:hover {
    background: var(--ui18-accent-gold);
    color: var(--ui18-primary-dark);
}

.ui18-menu-btn {
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--ui18-transition-fast);
}

.ui18-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--ui18-primary-light);
    transition: all var(--ui18-transition-fast);
}

.ui18-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.ui18-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.ui18-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.ui18-mobile-menu {
    position: fixed;
    top: 60px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 60px);
    background: var(--ui18-overlay-bg);
    backdrop-filter: blur(10px);
    transition: left var(--ui18-transition-normal);
    z-index: 9999;
    overflow-y: auto;
}

.ui18-mobile-menu.active {
    left: 0;
}

.ui18-mobile-menu-content {
    padding: var(--ui18-spacing-lg);
}

.ui18-mobile-menu-section {
    margin-bottom: var(--ui18-spacing-xl);
}

.ui18-mobile-menu-title {
    font-size: var(--ui18-font-size-sm);
    color: var(--ui18-text-muted);
    margin-bottom: var(--ui18-spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ui18-mobile-menu-link {
    display: block;
    padding: var(--ui18-spacing-md);
    color: var(--ui18-primary-light);
    text-decoration: none;
    border-radius: var(--ui18-border-radius-md);
    transition: all var(--ui18-transition-fast);
    margin-bottom: var(--ui18-spacing-sm);
}

.ui18-mobile-menu-link:hover {
    background: var(--ui18-accent-gold);
    color: var(--ui18-primary-dark);
}

/* Main content area */
.ui18-main {
    margin-top: 60px;
    min-height: calc(100vh - 60px);
    padding-bottom: 80px; /* Space for bottom navigation */
}

/* Carousel */
.ui18-carousel {
    position: relative;
    width: 100%;
    height: 200px;
    border-radius: var(--ui18-border-radius-lg);
    overflow: hidden;
    margin-bottom: var(--ui18-spacing-lg);
}

.ui18-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--ui18-transition-normal);
}

.ui18-carousel-slide.active {
    opacity: 1;
}

.ui18-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ui18-carousel-controls {
    position: absolute;
    bottom: var(--ui18-spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--ui18-spacing-sm);
}

.ui18-carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--ui18-transition-fast);
}

.ui18-carousel-indicator.active {
    background: var(--ui18-accent-gold);
    transform: scale(1.2);
}

/* Cards */
.ui18-card {
    background: var(--ui18-card-bg);
    border: 1px solid var(--ui18-border-color);
    border-radius: var(--ui18-border-radius-lg);
    padding: var(--ui18-spacing-md);
    transition: all var(--ui18-transition-fast);
}

.ui18-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--ui18-shadow-lg);
    border-color: var(--ui18-accent-gold);
}

.ui18-game-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.ui18-game-card img {
    width: 60px;
    height: 60px;
    border-radius: var(--ui18-border-radius-md);
    margin-bottom: var(--ui18-spacing-sm);
    object-fit: cover;
}

.ui18-game-card-title {
    font-size: var(--ui18-font-size-xs);
    color: var(--ui18-text-secondary);
    margin: 0;
    line-height: 1.2;
}

/* Game sections */
.ui18-section {
    margin-bottom: var(--ui18-spacing-xl);
}

.ui18-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--ui18-spacing-md);
}

.ui18-section-title {
    font-size: var(--ui18-font-size-xl);
    font-weight: 600;
    color: var(--ui18-accent-gold);
}

.ui18-section-link {
    color: var(--ui18-primary-light);
    text-decoration: none;
    font-size: var(--ui18-font-size-sm);
}

.ui18-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--ui18-spacing-sm);
}

/* Accordion */
.ui18-accordion-item {
    background: var(--ui18-card-bg);
    border: 1px solid var(--ui18-border-color);
    border-radius: var(--ui18-border-radius-md);
    margin-bottom: var(--ui18-spacing-sm);
    overflow: hidden;
}

.ui18-accordion-header {
    padding: var(--ui18-spacing-md);
    background: rgba(205, 133, 63, 0.1);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--ui18-transition-fast);
}

.ui18-accordion-header:hover {
    background: rgba(205, 133, 63, 0.2);
}

.ui18-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--ui18-transition-normal);
}

.ui18-accordion-content-inner {
    padding: var(--ui18-spacing-md);
}

/* Footer */
.ui18-footer {
    background: var(--ui18-primary-dark);
    border-top: 1px solid var(--ui18-border-color);
    padding: var(--ui18-spacing-xl) 0;
    margin-top: var(--ui18-spacing-xl);
}

.ui18-footer-content {
    text-align: center;
}

.ui18-footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--ui18-spacing-md);
    margin-bottom: var(--ui18-spacing-lg);
}

.ui18-footer-link {
    color: var(--ui18-text-secondary);
    text-decoration: none;
    font-size: var(--ui18-font-size-sm);
    transition: color var(--ui18-transition-fast);
}

.ui18-footer-link:hover {
    color: var(--ui18-accent-gold);
}

.ui18-partners {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--ui18-spacing-md);
    margin-bottom: var(--ui18-spacing-lg);
}

.ui18-partner-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    opacity: 0.7;
    transition: all var(--ui18-transition-fast);
}

.ui18-partner-logo:hover {
    opacity: 1;
    transform: scale(1.1);
}

.ui18-copyright {
    color: var(--ui18-text-muted);
    font-size: var(--ui18-font-size-xs);
}

/* Bottom Navigation (Mobile) */
.ui18-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ui18-overlay-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--ui18-border-color);
    z-index: 1000;
    display: flex;
    justify-content: space-around;
    padding: var(--ui18-spacing-xs) 0;
    height: 64px;
}

.ui18-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--ui18-text-muted);
    text-decoration: none;
    transition: all var(--ui18-transition-fast);
    min-width: 60px;
    min-height: 60px;
    cursor: pointer;
}

.ui18-bottom-nav-item:hover,
.ui18-bottom-nav-item.active {
    color: var(--ui18-accent-gold);
}

.ui18-bottom-nav-icon {
    font-size: 20px;
    margin-bottom: 2px;
}

.ui18-bottom-nav-text {
    font-size: var(--ui18-font-size-xs);
    line-height: 1;
}

/* Utility classes */
.ui18-text-center {
    text-align: center;
}

.ui18-text-gold {
    color: var(--ui18-accent-gold);
}

.ui18-bg-highlight {
    background: rgba(205, 133, 63, 0.1);
    border: 1px solid var(--ui18-accent-gold);
    border-radius: var(--ui18-border-radius-md);
    padding: var(--ui18-spacing-sm) var(--ui18-spacing-md);
}

.ui18-mb-sm {
    margin-bottom: var(--ui18-spacing-sm);
}

.ui18-mb-md {
    margin-bottom: var(--ui18-spacing-md);
}

.ui18-mb-lg {
    margin-bottom: var(--ui18-spacing-lg);
}

/* Responsive design */
@media (min-width: 769px) {
    .ui18-bottom-nav {
        display: none;
    }

    .ui18-main {
        padding-bottom: 0;
    }

    .ui18-game-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .ui18-carousel {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .ui18-container {
        max-width: 100%;
        padding: 0 var(--ui18-spacing-sm);
    }

    .ui18-game-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ui18-h1 {
        font-size: var(--ui18-font-size-xxl);
    }

    .ui18-h2 {
        font-size: var(--ui18-font-size-xl);
    }
}

/* Touch interactions */
.ui18-btn:active,
.ui18-card:active,
.ui18-game-card:active {
    transform: scale(0.95);
}

.ui18-btn.touch-active,
.ui18-card.touch-active,
.ui18-game-card.touch-active {
    transform: scale(0.95);
}

/* Loading and animations */
.ui18-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--ui18-accent-gold);
    animation: spin 1s linear infinite;
}

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

.ui18-fade-in {
    animation: fadeIn var(--ui18-transition-normal) ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Error states */
.ui18-error {
    border-color: #e74c3c !important;
}

.error-message {
    color: #e74c3c;
    font-size: var(--ui18-font-size-xs);
    margin-top: var(--ui18-spacing-xs);
    display: none;
}

/* Accessibility */
.ui18-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 */
.ui18-btn:focus,
.ui18-card:focus,
.ui18-game-card:focus {
    outline: 2px solid var(--ui18-accent-gold);
    outline-offset: 2px;
}