/* PHPlay88 Layout CSS Module */
/* All classes use prefix 'ui3a-' for namespace isolation */

/* CSS Variables */
:root {
    /* Colors */
    --ui3a-primary: #BDC3C7;
    --ui3a-secondary: #0C0C0C;
    --ui3a-accent: #FFD700;
    --ui3a-success: #28a745;
    --ui3a-danger: #dc3545;
    --ui3a-warning: #ffc107;
    --ui3a-info: #17a2b8;

    /* Backgrounds */
    --ui3a-bg-primary: #0C0C0C;
    --ui3a-bg-secondary: #1a1a1a;
    --ui3a-bg-tertiary: #2d2d2d;

    /* Text */
    --ui3a-text-primary: #BDC3C7;
    --ui3a-text-secondary: #95a5a6;
    --ui3a-text-light: #ecf0f1;
    --ui3a-text-dark: #2c3e50;

    /* Spacing */
    --ui3a-spacing-xs: 0.5rem;
    --ui3a-spacing-sm: 1rem;
    --ui3a-spacing-md: 1.5rem;
    --ui3a-spacing-lg: 2rem;
    --ui3a-spacing-xl: 3rem;

    /* Typography */
    --ui3a-font-size-xs: 1rem; /* 10px */
    --ui3a-font-size-sm: 1.2rem; /* 12px */
    --ui3a-font-size-base: 1.4rem; /* 14px */
    --ui3a-font-size-lg: 1.6rem; /* 16px */
    --ui3a-font-size-xl: 1.8rem; /* 18px */
    --ui3a-font-size-2xl: 2.4rem; /* 24px */
    --ui3a-font-size-3xl: 3.2rem; /* 32px */

    /* Layout */
    --ui3a-max-width: 430px;
    --ui3a-header-height: 60px;
    --ui3a-footer-height: 200px;
    --ui3a-bottom-nav-height: 60px;

    /* Transitions */
    --ui3a-transition-fast: 0.2s ease;
    --ui3a-transition-normal: 0.3s ease;
    --ui3a-transition-slow: 0.5s ease;

    /* Shadows */
    --ui3a-shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --ui3a-shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --ui3a-shadow-lg: 0 8px 16px rgba(0,0,0,0.2);

    /* Border Radius */
    --ui3a-radius-sm: 4px;
    --ui3a-radius-md: 8px;
    --ui3a-radius-lg: 12px;
    --ui3a-radius-xl: 16px;
}

/* 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, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--ui3a-font-size-base);
    line-height: 1.5;
    background-color: var(--ui3a-bg-primary);
    color: var(--ui3a-text-primary);
    max-width: var(--ui3a-max-width);
    margin: 0 auto;
    overflow-x: hidden;
}

/* Utility Classes */
.ui3a-container {
    width: 100%;
    padding: 0 var(--ui3a-spacing-sm);
    margin: 0 auto;
}

.ui3a-wrapper {
    width: 100%;
    position: relative;
}

.ui3a-grid {
    display: grid;
    gap: var(--ui3a-spacing-sm);
}

.ui3a-flex {
    display: flex;
}

.ui3a-flex-col {
    flex-direction: column;
}

.ui3a-items-center {
    align-items: center;
}

.ui3a-justify-between {
    justify-content: space-between;
}

.ui3a-justify-center {
    justify-content: center;
}

.ui3a-text-center {
    text-align: center;
}

.ui3a-text-left {
    text-align: left;
}

.ui3a-text-right {
    text-align: right;
}

/* Header */
.ui3a-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--ui3a-header-height);
    background-color: var(--ui3a-bg-secondary);
    border-bottom: 1px solid var(--ui3a-bg-tertiary);
    z-index: 1000;
    transition: all var(--ui3a-transition-normal);
}

.ui3a-header.scrolled {
    background-color: rgba(12, 12, 12, 0.95);
    backdrop-filter: blur(10px);
}

.ui3a-header-content {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--ui3a-spacing-sm);
}

.ui3a-logo {
    display: flex;
    align-items: center;
    gap: var(--ui3a-spacing-xs);
    text-decoration: none;
    color: var(--ui3a-text-primary);
    font-weight: bold;
    font-size: var(--ui3a-font-size-lg);
}

.ui3a-logo img {
    width: 28px;
    height: 28px;
}

/* Navigation */
.ui3a-nav {
    display: flex;
    align-items: center;
    gap: var(--ui3a-spacing-sm);
}

.ui3a-nav-desktop {
    display: none;
}

@media (min-width: 769px) {
    .ui3a-nav-desktop {
        display: flex;
    }
}

.ui3a-nav-mobile {
    display: flex;
    align-items: center;
    gap: var(--ui3a-spacing-xs);
}

@media (min-width: 769px) {
    .ui3a-nav-mobile {
        display: none;
    }
}

/* Buttons */
.ui3a-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--ui3a-spacing-xs) var(--ui3a-spacing-sm);
    border: none;
    border-radius: var(--ui3a-radius-md);
    font-size: var(--ui3a-font-size-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--ui3a-transition-fast);
    min-height: 44px; /* Touch-friendly */
    white-space: nowrap;
}

.ui3a-btn-primary {
    background-color: var(--ui3a-accent);
    color: var(--ui3a-text-dark);
}

.ui3a-btn-primary:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
}

.ui3a-btn-secondary {
    background-color: var(--ui3a-bg-tertiary);
    color: var(--ui3a-text-primary);
    border: 1px solid var(--ui3a-primary);
}

.ui3a-btn-secondary:hover {
    background-color: var(--ui3a-primary);
    color: var(--ui3a-text-dark);
}

.ui3a-btn.loading {
    position: relative;
    color: transparent;
}

.ui3a-btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid var(--ui3a-text-primary);
    border-radius: 50%;
    border-top-color: transparent;
    animation: ui3a-spin 0.8s linear infinite;
}

@keyframes ui3a-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Menu Toggle */
.ui3a-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.ui3a-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--ui3a-text-primary);
    transition: all var(--ui3a-transition-fast);
}

.ui3a-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.ui3a-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.ui3a-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.ui3a-mobile-menu {
    position: fixed;
    top: var(--ui3a-header-height);
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - var(--ui3a-header-height));
    background-color: var(--ui3a-bg-secondary);
    border-left: 1px solid var(--ui3a-bg-tertiary);
    transition: right var(--ui3a-transition-normal);
    z-index: 9999;
    overflow-y: auto;
}

.ui3a-mobile-menu.active {
    right: 0;
}

.ui3a-menu-overlay {
    position: fixed;
    top: var(--ui3a-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--ui3a-transition-normal);
    z-index: 9998;
}

.ui3a-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.ui3a-menu-list {
    list-style: none;
    padding: var(--ui3a-spacing-sm);
}

.ui3a-menu-item {
    border-bottom: 1px solid var(--ui3a-bg-tertiary);
}

.ui3a-menu-link {
    display: block;
    padding: var(--ui3a-spacing-sm);
    color: var(--ui3a-text-primary);
    text-decoration: none;
    transition: all var(--ui3a-transition-fast);
}

.ui3a-menu-link:hover {
    background-color: var(--ui3a-bg-tertiary);
    color: var(--ui3a-accent);
}

/* Main Content */
main {
    margin-top: var(--ui3a-header-height);
    min-height: calc(100vh - var(--ui3a-header-height) - var(--ui3a-footer-height));
}

@media (max-width: 768px) {
    main {
        padding-bottom: 80px; /* Space for bottom nav */
    }
}

/* Cards */
.ui3a-card {
    background-color: var(--ui3a-bg-secondary);
    border-radius: var(--ui3a-radius-lg);
    padding: var(--ui3a-spacing-sm);
    margin-bottom: var(--ui3a-spacing-sm);
    box-shadow: var(--ui3a-shadow-sm);
    transition: all var(--ui3a-transition-fast);
}

.ui3a-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--ui3a-shadow-md);
}

.ui3a-card-title {
    font-size: var(--ui3a-font-size-lg);
    font-weight: 600;
    margin-bottom: var(--ui3a-spacing-xs);
    color: var(--ui3a-text-primary);
}

.ui3a-card-content {
    color: var(--ui3a-text-secondary);
    line-height: 1.6;
}

/* Carousel */
.ui3a-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--ui3a-radius-lg);
    margin-bottom: var(--ui3a-spacing-md);
}

.ui3a-carousel-inner {
    display: flex;
    transition: transform var(--ui3a-transition-normal);
}

.ui3a-carousel-item {
    min-width: 100%;
    position: relative;
    cursor: pointer;
}

.ui3a-carousel-item img {
    width: 100%;
    height: auto;
    display: block;
}

.ui3a-carousel-indicators {
    position: absolute;
    bottom: var(--ui3a-spacing-xs);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--ui3a-spacing-xs);
}

.ui3a-carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--ui3a-transition-fast);
}

.ui3a-carousel-indicator.active {
    background-color: var(--ui3a-accent);
    transform: scale(1.2);
}

/* Game Grid */
.ui3a-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--ui3a-spacing-xs);
    margin-bottom: var(--ui3a-spacing-md);
}

.ui3a-game-item {
    text-align: center;
    cursor: pointer;
    transition: all var(--ui3a-transition-fast);
}

.ui3a-game-item:hover {
    transform: scale(1.05);
}

.ui3a-game-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--ui3a-spacing-xs);
    border-radius: var(--ui3a-radius-md);
    overflow: hidden;
    background-color: var(--ui3a-bg-tertiary);
}

.ui3a-game-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ui3a-game-name {
    font-size: var(--ui3a-font-size-xs);
    color: var(--ui3a-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Bottom Navigation */
.ui3a-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--ui3a-bottom-nav-height);
    background-color: var(--ui3a-bg-secondary);
    border-top: 1px solid var(--ui3a-bg-tertiary);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
}

@media (min-width: 769px) {
    .ui3a-bottom-nav {
        display: none;
    }
}

.ui3a-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    color: var(--ui3a-text-secondary);
    text-decoration: none;
    transition: all var(--ui3a-transition-fast);
    position: relative;
}

.ui3a-bottom-nav-item:hover,
.ui3a-bottom-nav-item.active {
    color: var(--ui3a-accent);
}

.ui3a-bottom-nav-item:active {
    transform: scale(0.95);
}

.ui3a-bottom-nav-icon {
    font-size: 24px;
    margin-bottom: 2px;
}

.ui3a-bottom-nav-text {
    font-size: 10px;
    white-space: nowrap;
}

/* Footer */
.ui3a-footer {
    background-color: var(--ui3a-bg-secondary);
    padding: var(--ui3a-spacing-md) var(--ui3a-spacing-sm);
    margin-top: var(--ui3a-spacing-lg);
}

.ui3a-footer-content {
    text-align: center;
}

.ui3a-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--ui3a-spacing-sm);
    margin-bottom: var(--ui3a-spacing-md);
}

.ui3a-footer-link {
    color: var(--ui3a-text-secondary);
    text-decoration: none;
    font-size: var(--ui3a-font-size-sm);
    transition: all var(--ui3a-transition-fast);
}

.ui3a-footer-link:hover {
    color: var(--ui3a-accent);
}

.ui3a-partners {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--ui3a-spacing-sm);
    margin: var(--ui3a-spacing-md) 0;
}

.ui3a-partner-icon {
    width: 40px;
    height: 40px;
    opacity: 0.7;
    transition: all var(--ui3a-transition-fast);
}

.ui3a-partner-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}

.ui3a-copyright {
    font-size: var(--ui3a-font-size-xs);
    color: var(--ui3a-text-secondary);
    margin-top: var(--ui3a-spacing-md);
}

/* Typography */
.ui3a-h1 {
    font-size: var(--ui3a-font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--ui3a-spacing-sm);
    color: var(--ui3a-text-primary);
}

.ui3a-h2 {
    font-size: var(--ui3a-font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--ui3a-spacing-sm);
    color: var(--ui3a-text-primary);
}

.ui3a-h3 {
    font-size: var(--ui3a-font-size-xl);
    font-weight: 600;
    margin-bottom: var(--ui3a-spacing-xs);
    color: var(--ui3a-text-primary);
}

.ui3a-text {
    color: var(--ui3a-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--ui3a-spacing-sm);
}

.ui3a-text-sm {
    font-size: var(--ui3a-font-size-sm);
}

.ui3a-text-xs {
    font-size: var(--ui3a-font-size-xs);
}

/* Links */
.ui3a-link {
    color: var(--ui3a-accent);
    text-decoration: none;
    transition: all var(--ui3a-transition-fast);
}

.ui3a-link:hover {
    color: var(--ui3a-text-primary);
    text-decoration: underline;
}

/* Sections */
.ui3a-section {
    padding: var(--ui3a-spacing-md) 0;
}

.ui3a-section-title {
    font-size: var(--ui3a-font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--ui3a-spacing-md);
    color: var(--ui3a-text-primary);
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --ui3a-spacing-sm: 0.8rem;
        --ui3a-spacing-md: 1.2rem;
        --ui3a-spacing-lg: 1.6rem;
    }

    .ui3a-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    }

    .ui3a-game-icon {
        width: 50px;
        height: 50px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
.ui3a-btn:focus,
.ui3a-link:focus,
.ui3a-menu-toggle:focus {
    outline: 2px solid var(--ui3a-accent);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --ui3a-text-secondary: #ffffff;
        --ui3a-bg-tertiary: #000000;
    }
}