/**
 * Apaldo Layout CSS - Mobile-First Design
 * All classes use 'pg51-' prefix to avoid conflicts
 * Color palette: #FFA500 (Orange), #F4A460 (Sandy Brown), #2D2D2D (Dark Gray), #BDB76B (Dark Khaki)
 */

/* Root Variables */
:root {
    --pg51-primary: #FFA500;
    --pg51-secondary: #F4A460;
    --pg51-dark: #2D2D2D;
    --pg51-accent: #BDB76B;
    --pg51-white: #FFFFFF;
    --pg51-light-gray: #F5F5F5;
    --pg51-text-dark: #333333;
    --pg51-border: #E0E0E0;
    --pg51-success: #4CAF50;
    --pg51-warning: #FF9800;
    
    /* Gradients */
    --pg51-gradient-primary: linear-gradient(135deg, var(--pg51-primary), var(--pg51-secondary));
    --pg51-gradient-secondary: linear-gradient(135deg, var(--pg51-dark), var(--pg51-accent));
    --pg51-gradient-accent: linear-gradient(135deg, var(--pg51-accent), var(--pg51-primary));
    
    /* Shadows */
    --pg51-shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --pg51-shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --pg51-shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    
    /* Border Radius */
    --pg51-radius-sm: 0.5rem;
    --pg51-radius-md: 0.75rem;
    --pg51-radius-lg: 1rem;
    --pg51-radius-xl: 1.5rem;
    
    /* Spacing */
    --pg51-spacing-xs: 0.5rem;
    --pg51-spacing-sm: 1rem;
    --pg51-spacing-md: 1.5rem;
    --pg51-spacing-lg: 2rem;
    --pg51-spacing-xl: 3rem;
}

/* Base Styles */
html {
    font-size: 62.5%; /* 1rem = 10px */
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 1.4rem;
    line-height: 1.5;
    color: var(--pg51-text-dark);
    background-color: var(--pg51-light-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

* {
    box-sizing: border-box;
}

/* Layout Components */
.pg51-wrapper {
    max-width: 430px;
    margin: 0 auto;
    background-color: var(--pg51-white);
    min-height: 100vh;
    position: relative;
    box-shadow: var(--pg51-shadow-md);
}

.pg51-container {
    padding: 0 var(--pg51-spacing-sm);
    margin: 0 auto;
}

.pg51-section {
    padding: var(--pg51-spacing-md) 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.pg51-section.pg51-fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Header Styles */
.pg51-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    background: var(--pg51-gradient-primary);
    z-index: 1000;
    box-shadow: var(--pg51-shadow-md);
}

.pg51-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pg51-spacing-sm);
    height: 60px;
}

.pg51-logo {
    display: flex;
    align-items: center;
    gap: var(--pg51-spacing-xs);
    text-decoration: none;
    color: var(--pg51-white);
    font-weight: 700;
    font-size: 1.8rem;
}

.pg51-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--pg51-radius-sm);
}

.pg51-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--pg51-spacing-xs);
}

.pg51-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.pg51-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--pg51-white);
    margin: 3px auto;
    transition: 0.3s;
    border-radius: 1px;
}

.pg51-menu-btn.pg51-btn-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.pg51-menu-btn.pg51-btn-active span:nth-child(2) {
    opacity: 0;
}

.pg51-menu-btn.pg51-btn-active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.pg51-mobile-menu {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    background: var(--pg51-white);
    box-shadow: var(--pg51-shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 999;
}

.pg51-mobile-menu.pg51-menu-active {
    max-height: 400px;
}

.pg51-menu-items {
    padding: var(--pg51-spacing-md);
}

.pg51-menu-item {
    display: block;
    padding: var(--pg51-spacing-sm);
    color: var(--pg51-text-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--pg51-border);
    transition: all 0.3s ease;
}

.pg51-menu-item:hover {
    background: var(--pg51-light-gray);
    color: var(--pg51-primary);
}

.pg51-menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.pg51-menu-active ~ .pg51-menu-backdrop {
    opacity: 1;
    visibility: visible;
}

/* Button Styles */
.pg51-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--pg51-spacing-xs);
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--pg51-radius-md);
    font-size: 1.4rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 44px;
    min-width: 44px;
}

.pg51-btn-primary {
    background: var(--pg51-gradient-primary);
    color: var(--pg51-white);
    box-shadow: var(--pg51-shadow-sm);
}

.pg51-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--pg51-shadow-md);
}

.pg51-btn-secondary {
    background: var(--pg51-white);
    color: var(--pg51-primary);
    border: 2px solid var(--pg51-primary);
}

.pg51-btn-secondary:hover {
    background: var(--pg51-primary);
    color: var(--pg51-white);
}

.pg51-btn-accent {
    background: var(--pg51-gradient-accent);
    color: var(--pg51-white);
}

.pg51-btn-large {
    padding: 1.5rem 2rem;
    font-size: 1.6rem;
}

.pg51-btn-small {
    padding: 0.8rem 1.2rem;
    font-size: 1.2rem;
}

/* Card Styles */
.pg51-card {
    background: var(--pg51-white);
    border-radius: var(--pg51-radius-lg);
    box-shadow: var(--pg51-shadow-sm);
    margin-bottom: var(--pg51-spacing-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

.pg51-card:hover {
    box-shadow: var(--pg51-shadow-md);
}

.pg51-card-header {
    background: var(--pg51-gradient-primary);
    color: var(--pg51-white);
    padding: var(--pg51-spacing-md);
}

.pg51-card-content {
    padding: var(--pg51-spacing-md);
}

.pg51-card-title {
    margin: 0 0 var(--pg51-spacing-sm) 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--pg51-text-dark);
}

.pg51-card-header .pg51-card-title {
    color: var(--pg51-white);
}

/* Carousel Styles */
.pg51-carousel {
    position: relative;
    margin: 80px var(--pg51-spacing-sm) var(--pg51-spacing-md);
    border-radius: var(--pg51-radius-lg);
    overflow: hidden;
    box-shadow: var(--pg51-shadow-md);
}

.pg51-slide {
    display: none;
    width: 100%;
    height: 200px;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.pg51-slide.pg51-active {
    display: block;
}

.pg51-slide:hover {
    transform: scale(1.02);
}

.pg51-carousel-indicators {
    position: absolute;
    bottom: var(--pg51-spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--pg51-spacing-xs);
}

.pg51-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pg51-indicator.pg51-active {
    background: var(--pg51-primary);
    transform: scale(1.2);
}

/* Game Grid Styles */
.pg51-games-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pg51-spacing-sm);
    margin: var(--pg51-spacing-md) 0;
}

.pg51-game-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    padding: var(--pg51-spacing-sm);
    border-radius: var(--pg51-radius-md);
    transition: all 0.3s ease;
    min-height: 44px;
}

.pg51-game-item:hover {
    background: var(--pg51-light-gray);
    transform: translateY(-2px);
}

.pg51-game-img {
    width: 50px;
    height: 50px;
    border-radius: var(--pg51-radius-sm);
    margin-bottom: var(--pg51-spacing-xs);
    box-shadow: var(--pg51-shadow-sm);
}

.pg51-game-name {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--pg51-text-dark);
    text-align: center;
    line-height: 1.2;
}

/* Statistics Styles */
.pg51-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pg51-spacing-sm);
    margin: var(--pg51-spacing-md) 0;
}

.pg51-stat-item {
    background: var(--pg51-gradient-primary);
    color: var(--pg51-white);
    padding: var(--pg51-spacing-md);
    border-radius: var(--pg51-radius-md);
    text-align: center;
    box-shadow: var(--pg51-shadow-sm);
}

.pg51-stat-number {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: var(--pg51-spacing-xs);
}

.pg51-stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Features List */
.pg51-features-list {
    margin: var(--pg51-spacing-md) 0;
}

.pg51-feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--pg51-spacing-sm);
    padding: var(--pg51-spacing-sm) 0;
    border-bottom: 1px solid var(--pg51-border);
}

.pg51-feature-item:last-child {
    border-bottom: none;
}

.pg51-feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pg51-gradient-primary);
    color: var(--pg51-white);
    border-radius: 50%;
    font-size: 1.2rem;
}

.pg51-feature-content h4 {
    margin: 0 0 var(--pg51-spacing-xs) 0;
    font-size: 1.4rem;
    color: var(--pg51-text-dark);
}

.pg51-feature-content p {
    margin: 0;
    font-size: 1.3rem;
    line-height: 1.4;
    color: #666;
}

/* Footer Styles */
.pg51-footer {
    background: var(--pg51-dark);
    color: var(--pg51-white);
    padding: var(--pg51-spacing-xl) var(--pg51-spacing-sm) 80px;
    margin-top: var(--pg51-spacing-xl);
}

.pg51-footer-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--pg51-spacing-md);
    color: var(--pg51-primary);
}

.pg51-footer-desc {
    font-size: 1.3rem;
    line-height: 1.5;
    margin-bottom: var(--pg51-spacing-lg);
    opacity: 0.9;
}

.pg51-footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pg51-spacing-sm);
    margin-bottom: var(--pg51-spacing-lg);
}

.pg51-footer-links a,
.pg51-footer-links button {
    color: var(--pg51-white);
    text-decoration: none;
    padding: var(--pg51-spacing-xs);
    border-radius: var(--pg51-radius-sm);
    transition: all 0.3s ease;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 1.3rem;
}

.pg51-footer-links a:hover,
.pg51-footer-links button:hover {
    color: var(--pg51-primary);
    background: rgba(255,255,255,0.1);
}

.pg51-partners {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--pg51-spacing-sm);
    margin-bottom: var(--pg51-spacing-lg);
}

.pg51-partner-img {
    width: 100%;
    height: 40px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.pg51-partner-img:hover {
    opacity: 1;
}

.pg51-copyright {
    font-size: 1.2rem;
    text-align: center;
    opacity: 0.7;
    margin: 0;
    padding-top: var(--pg51-spacing-md);
    border-top: 1px solid rgba(255,255,255,0.2);
}

/* Bottom Navigation */
.pg51-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    background: var(--pg51-white);
    border-top: 1px solid var(--pg51-border);
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
}

.pg51-bottom-nav-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    height: 64px;
}

.pg51-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #999;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    min-height: 44px;
}

.pg51-bottom-nav-item i,
.pg51-bottom-nav-item ion-icon {
    font-size: 2rem;
    margin-bottom: 2px;
}

.pg51-bottom-nav-item span {
    font-size: 1rem;
    font-weight: 500;
}

.pg51-bottom-nav-item:hover,
.pg51-bottom-nav-item.pg51-nav-active {
    color: var(--pg51-primary);
    transform: scale(1.05);
}

/* Utility Classes */
.pg51-text-center { text-align: center; }
.pg51-text-left { text-align: left; }
.pg51-text-right { text-align: right; }

.pg51-mt-1 { margin-top: var(--pg51-spacing-xs); }
.pg51-mt-2 { margin-top: var(--pg51-spacing-sm); }
.pg51-mt-3 { margin-top: var(--pg51-spacing-md); }
.pg51-mt-4 { margin-top: var(--pg51-spacing-lg); }

.pg51-mb-1 { margin-bottom: var(--pg51-spacing-xs); }
.pg51-mb-2 { margin-bottom: var(--pg51-spacing-sm); }
.pg51-mb-3 { margin-bottom: var(--pg51-spacing-md); }
.pg51-mb-4 { margin-bottom: var(--pg51-spacing-lg); }

.pg51-p-1 { padding: var(--pg51-spacing-xs); }
.pg51-p-2 { padding: var(--pg51-spacing-sm); }
.pg51-p-3 { padding: var(--pg51-spacing-md); }
.pg51-p-4 { padding: var(--pg51-spacing-lg); }

.pg51-hidden { display: none; }
.pg51-visible { display: block; }

.pg51-grid-2 { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: var(--pg51-spacing-sm); 
}

.pg51-grid-3 { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: var(--pg51-spacing-sm); 
}

.pg51-flex {
    display: flex;
    gap: var(--pg51-spacing-sm);
    align-items: center;
}

.pg51-flex-column {
    display: flex;
    flex-direction: column;
    gap: var(--pg51-spacing-sm);
}

/* Loading Spinner */
.pg51-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.pg51-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--pg51-border);
    border-top: 4px solid var(--pg51-primary);
    border-radius: 50%;
    animation: pg51-spin 1s linear infinite;
    margin-bottom: var(--pg51-spacing-sm);
}

@keyframes pg51-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Improvements */
@media (max-width: 350px) {
    .pg51-games-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pg51-nav {
        padding: var(--pg51-spacing-xs);
    }
    
    .pg51-container {
        padding: 0 var(--pg51-spacing-xs);
    }
}

@media (min-width: 431px) {
    .pg51-wrapper {
        border-left: 1px solid var(--pg51-border);
        border-right: 1px solid var(--pg51-border);
    }
}