/**
 * LuckyStarz CSS Design System
 * All classes use ui5d- prefix for namespace isolation
 */

/* CSS Variables - Color Palette */
:root {
    /* Color Palette: #1E1E1E, #66CDAA, #FFFFFF, #FFD700, #008000, #3CB371 */
    --ui5d-primary: #1E1E1E;
    --ui5d-secondary: #66CDAA;
    --ui5d-accent: #FFD700;
    --ui5d-success: #008000;
    --ui5d-success-light: #3CB371;
    --ui5d-text: #FFFFFF;
    --ui5d-text-dark: #1E1E1E;
    --ui5d-bg: #1E1E1E;
    --ui5d-bg-light: #2A2A2A;
    --ui5d-border: #444444;
    --ui5d-shadow: rgba(0, 0, 0, 0.3);

    /* Typography */
    --ui5d-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --ui5d-font-size-xs: 1rem; /* 10px */
    --ui5d-font-size-sm: 1.2rem; /* 12px */
    --ui5d-font-size-base: 1.4rem; /* 14px */
    --ui5d-font-size-lg: 1.6rem; /* 16px */
    --ui5d-font-size-xl: 1.8rem; /* 18px */
    --ui5d-font-size-2xl: 2rem; /* 20px */
    --ui5d-font-size-3xl: 2.4rem; /* 24px */

    /* Spacing */
    --ui5d-spacing-xs: 0.5rem;
    --ui5d-spacing-sm: 1rem;
    --ui5d-spacing-md: 1.5rem;
    --ui5d-spacing-lg: 2rem;
    --ui5d-spacing-xl: 2.5rem;

    /* Border Radius */
    --ui5d-radius-sm: 0.4rem;
    --ui5d-radius-md: 0.8rem;
    --ui5d-radius-lg: 1.2rem;
    --ui5d-radius-full: 50%;

    /* Transitions */
    --ui5d-transition-fast: 0.2s ease;
    --ui5d-transition-normal: 0.3s ease;
    --ui5d-transition-slow: 0.5s 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(--ui5d-font-primary);
    font-size: var(--ui5d-font-size-base);
    line-height: 1.5;
    color: var(--ui5d-text);
    background-color: var(--ui5d-bg);
    overflow-x: hidden;
}

/* Container and Layout */
.ui5d-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--ui5d-spacing-sm);
}

.ui5d-wrapper {
    padding-bottom: 8rem; /* Space for bottom nav */
}

.ui5d-grid {
    display: grid;
    gap: var(--ui5d-spacing-sm);
}

.ui5d-flex {
    display: flex;
}

.ui5d-flex-col {
    flex-direction: column;
}

.ui5d-flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ui5d-flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Header */
.ui5d-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--ui5d-primary) 0%, var(--ui5d-bg-light) 100%);
    border-bottom: 1px solid var(--ui5d-border);
    backdrop-filter: blur(10px);
}

.ui5d-header-content {
    padding: var(--ui5d-spacing-sm);
}

.ui5d-logo {
    display: flex;
    align-items: center;
    gap: var(--ui5d-spacing-xs);
    font-size: var(--ui5d-font-size-lg);
    font-weight: bold;
    color: var(--ui5d-accent);
    text-decoration: none;
}

.ui5d-logo-icon {
    width: 2.4rem;
    height: 2.4rem;
    background: var(--ui5d-accent);
    border-radius: var(--ui5d-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ui5d-primary);
    font-size: var(--ui5d-font-size-sm);
}

/* Navigation */
.ui5d-nav {
    display: flex;
    align-items: center;
    gap: var(--ui5d-spacing-sm);
}

.ui5d-nav-item {
    padding: var(--ui5d-spacing-xs) var(--ui5d-spacing-sm);
    border-radius: var(--ui5d-radius-md);
    text-decoration: none;
    color: var(--ui5d-text);
    font-size: var(--ui5d-font-size-sm);
    transition: var(--ui5d-transition-fast);
    cursor: pointer;
}

.ui5d-nav-item:hover {
    background: var(--ui5d-secondary);
    color: var(--ui5d-text-dark);
    transform: translateY(-1px);
}

.ui5d-nav-item.active {
    background: var(--ui5d-accent);
    color: var(--ui5d-primary);
}

/* Buttons */
.ui5d-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--ui5d-spacing-xs) var(--ui5d-spacing-md);
    border: none;
    border-radius: var(--ui5d-radius-md);
    font-size: var(--ui5d-font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--ui5d-transition-fast);
    min-height: 4.4rem; /* Touch-friendly */
    min-width: 4.4rem;
}

.ui5d-btn-primary {
    background: linear-gradient(135deg, var(--ui5d-accent) 0%, var(--ui5d-success-light) 100%);
    color: var(--ui5d-primary);
    box-shadow: 0 2px 8px var(--ui5d-shadow);
}

.ui5d-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--ui5d-shadow);
}

.ui5d-btn-secondary {
    background: var(--ui5d-secondary);
    color: var(--ui5d-text-dark);
}

.ui5d-btn-secondary:hover {
    background: var(--ui5d-success-light);
    transform: translateY(-1px);
}

.ui5d-btn-outline {
    background: transparent;
    color: var(--ui5d-text);
    border: 1px solid var(--ui5d-border);
}

.ui5d-btn-outline:hover {
    background: var(--ui5d-secondary);
    color: var(--ui5d-text-dark);
}

/* Cards */
.ui5d-card {
    background: var(--ui5d-bg-light);
    border-radius: var(--ui5d-radius-lg);
    padding: var(--ui5d-spacing-md);
    border: 1px solid var(--ui5d-border);
    transition: var(--ui5d-transition-normal);
}

.ui5d-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--ui5d-shadow);
}

/* Carousel */
.ui5d-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--ui5d-radius-lg);
    margin: var(--ui5d-spacing-md) 0;
}

.ui5d-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--ui5d-transition-normal);
}

.ui5d-carousel-slide.active {
    opacity: 1;
    position: relative;
}

.ui5d-carousel-image {
    width: 100%;
    height: 20rem;
    object-fit: cover;
    border-radius: var(--ui5d-radius-lg);
}

/* Game Grid */
.ui5d-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
    gap: var(--ui5d-spacing-sm);
    margin: var(--ui5d-spacing-md) 0;
}

.ui5d-game-item {
    background: var(--ui5d-bg-light);
    border-radius: var(--ui5d-radius-md);
    padding: var(--ui5d-spacing-xs);
    text-align: center;
    transition: var(--ui5d-transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
}

.ui5d-game-item:hover {
    transform: scale(1.05);
    border-color: var(--ui5d-accent);
    box-shadow: 0 4px 12px var(--ui5d-shadow);
}

.ui5d-game-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--ui5d-spacing-xs);
    border-radius: var(--ui5d-radius-sm);
    background: var(--ui5d-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ui5d-font-size-lg);
    color: var(--ui5d-text-dark);
}

.ui5d-game-name {
    font-size: var(--ui5d-font-size-xs);
    color: var(--ui5d-text);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Mobile Menu */
.ui5d-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--ui5d-bg-light);
    z-index: 9999;
    transition: var(--ui5d-transition-normal);
    overflow-y: auto;
}

.ui5d-mobile-menu.active {
    right: 0;
}

.ui5d-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--ui5d-transition-normal);
}

.ui5d-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Bottom Navigation */
.ui5d-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6rem;
    background: var(--ui5d-bg-light);
    border-top: 1px solid var(--ui5d-border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.ui5d-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 6rem;
    min-height: 5rem;
    padding: var(--ui5d-spacing-xs);
    text-decoration: none;
    color: var(--ui5d-text);
    transition: var(--ui5d-transition-fast);
    cursor: pointer;
    border-radius: var(--ui5d-radius-md);
}

.ui5d-bottom-nav-item:hover {
    background: var(--ui5d-secondary);
    color: var(--ui5d-text-dark);
    transform: scale(1.1);
}

.ui5d-bottom-nav-item.active {
    color: var(--ui5d-accent);
    background: rgba(255, 215, 0, 0.1);
}

.ui5d-bottom-nav-icon {
    font-size: 2.4rem;
    margin-bottom: 0.2rem;
}

.ui5d-bottom-nav-text {
    font-size: var(--ui5d-font-size-xs);
    line-height: 1;
}

/* Footer */
.ui5d-footer {
    background: var(--ui5d-bg-light);
    border-top: 1px solid var(--ui5d-border);
    padding: var(--ui5d-spacing-lg) var(--ui5d-spacing-sm) 8rem;
    margin-top: var(--ui5d-spacing-xl);
}

.ui5d-footer-content {
    text-align: center;
}

.ui5d-partners {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--ui5d-spacing-sm);
    margin-bottom: var(--ui5d-spacing-md);
    flex-wrap: wrap;
}

.ui5d-partner-icon {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: var(--ui5d-radius-sm);
    background: var(--ui5d-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ui5d-font-size-sm);
    color: var(--ui5d-text-dark);
}

.ui5d-copyright {
    font-size: var(--ui5d-font-size-xs);
    color: var(--ui5d-text);
    opacity: 0.7;
}

/* Typography */
.ui5d-h1 {
    font-size: var(--ui5d-font-size-3xl);
    font-weight: bold;
    color: var(--ui5d-accent);
    margin-bottom: var(--ui5d-spacing-md);
    line-height: 1.2;
}

.ui5d-h2 {
    font-size: var(--ui5d-font-size-2xl);
    font-weight: 600;
    color: var(--ui5d-secondary);
    margin-bottom: var(--ui5d-spacing-sm);
}

.ui5d-h3 {
    font-size: var(--ui5d-font-size-lg);
    font-weight: 500;
    color: var(--ui5d-text);
    margin-bottom: var(--ui5d-spacing-xs);
}

.ui5d-text {
    font-size: var(--ui5d-font-size-base);
    color: var(--ui5d-text);
    line-height: 1.5;
    margin-bottom: var(--ui5d-spacing-sm);
}

.ui5d-text-sm {
    font-size: var(--ui5d-font-size-sm);
    color: var(--ui5d-text);
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .ui5d-container {
        padding: 0 var(--ui5d-spacing-sm);
    }

    .ui5d-wrapper {
        padding-bottom: 8rem;
    }

    .ui5d-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
        gap: var(--ui5d-spacing-xs);
    }

    .ui5d-game-icon {
        width: 3.5rem;
        height: 3.5rem;
        font-size: var(--ui5d-font-size-base);
    }

    .ui5d-bottom-nav {
        height: 5.6rem;
    }

    .ui5d-bottom-nav-item {
        min-width: 5rem;
        min-height: 4.5rem;
    }

    .ui5d-bottom-nav-icon {
        font-size: 2rem;
    }
}

@media (min-width: 769px) {
    .ui5d-bottom-nav {
        display: none;
    }

    .ui5d-wrapper {
        padding-bottom: 0;
    }
}

/* Utility Classes */
.ui5d-hidden {
    display: none !important;
}

.ui5d-visible {
    display: block !important;
}

.ui5d-text-center {
    text-align: center;
}

.ui5d-text-left {
    text-align: left;
}

.ui5d-text-right {
    text-align: right;
}

.ui5d-mb-0 {
    margin-bottom: 0 !important;
}

.ui5d-mb-sm {
    margin-bottom: var(--ui5d-spacing-sm);
}

.ui5d-mb-md {
    margin-bottom: var(--ui5d-spacing-md);
}

.ui5d-mt-sm {
    margin-top: var(--ui5d-spacing-sm);
}

.ui5d-mt-md {
    margin-top: var(--ui5d-spacing-md);
}

.ui5d-p-sm {
    padding: var(--ui5d-spacing-sm);
}

.ui5d-p-md {
    padding: var(--ui5d-spacing-md);
}