/**
 * kkkkph - Gaming Platform CSS Styles
 * All classes use ga4a- prefix for namespace isolation
 * Mobile-first responsive design with modern aesthetics
 * Version: 1.0
 */

/* CSS Variables - Color Palette */
:root {
    --ga4a-primary: #000080;
    --ga4a-secondary: #34495E;
    --ga4a-accent: #1E90FF;
    --ga4a-highlight: #00CED1;
    --ga4a-light: #CCCCCC;
    --ga4a-purple: #7B68EE;

    --ga4a-bg-dark: #1a1a2e;
    --ga4a-bg-medium: #16213e;
    --ga4a-bg-light: #0f3460;

    --ga4a-text-primary: #ffffff;
    --ga4a-text-secondary: #e8e8e8;
    --ga4a-text-muted: #a0a0a0;

    --ga4a-success: #28a745;
    --ga4a-warning: #ffc107;
    --ga4a-danger: #dc3545;
    --ga4a-info: #17a2b8;

    --ga4a-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --ga4a-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --ga4a-border-radius: 12px;
    --ga4a-border-radius-sm: 8px;
    --ga4a-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Dynamic viewport height for mobile browsers */
    --vh: 1vh;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.6rem;
    line-height: 1.5;
    color: var(--ga4a-text-primary);
    background: linear-gradient(135deg, var(--ga4a-bg-dark) 0%, var(--ga4a-bg-medium) 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container and Layout */
.ga4a-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 16px;
    width: 100%;
}

.ga4a-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 80px; /* Space for bottom navigation */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1.6rem;
    color: var(--ga4a-text-primary);
    line-height: 1.2;
}

h1 {
    font-size: 3.2rem;
    background: linear-gradient(135deg, var(--ga4a-accent) 0%, var(--ga4a-highlight) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2.8rem;
}

h3 {
    font-size: 2.4rem;
}

h4 {
    font-size: 2rem;
}

p {
    margin-bottom: 1.6rem;
    color: var(--ga4a-text-secondary);
}

a {
    color: var(--ga4a-accent);
    text-decoration: none;
    transition: var(--ga4a-transition);
}

a:hover {
    color: var(--ga4a-highlight);
}

/* Header */
.ga4a-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--ga4a-transition);
}

.ga4a-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    max-width: 430px;
    margin: 0 auto;
}

.ga4a-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ga4a-text-primary);
}

.ga4a-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--ga4a-border-radius-sm);
}

.ga4a-header-buttons {
    display: flex;
    gap: 8px;
}

.ga4a-btn {
    padding: 8px 16px;
    border-radius: var(--ga4a-border-radius-sm);
    border: none;
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ga4a-transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ga4a-btn-primary {
    background: linear-gradient(135deg, var(--ga4a-accent) 0%, var(--ga4a-highlight) 100%);
    color: var(--ga4a-text-primary);
}

.ga4a-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--ga4a-shadow);
}

.ga4a-btn-secondary {
    background: transparent;
    color: var(--ga4a-text-primary);
    border: 2px solid var(--ga4a-accent);
}

.ga4a-btn-secondary:hover {
    background: var(--ga4a-accent);
    color: var(--ga4a-text-primary);
}

.ga4a-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ga4a-text-primary);
    font-size: 2.4rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--ga4a-border-radius-sm);
    transition: var(--ga4a-transition);
}

.ga4a-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu */
.ga4a-mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--ga4a-bg-dark);
    z-index: 9999;
    transition: var(--ga4a-transition);
    overflow-y: auto;
}

.ga4a-mobile-menu.active {
    left: 0;
}

.ga4a-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ga4a-menu-close {
    background: none;
    border: none;
    color: var(--ga4a-text-primary);
    font-size: 2.4rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--ga4a-border-radius-sm);
}

.ga4a-menu-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.ga4a-menu-nav {
    padding: 16px 0;
}

.ga4a-menu-item {
    display: block;
    padding: 12px 16px;
    color: var(--ga4a-text-primary);
    font-size: 1.6rem;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    transition: var(--ga4a-transition);
    cursor: pointer;
}

.ga4a-menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 24px;
}

.ga4a-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--ga4a-transition);
}

.ga4a-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Main Content */
.ga4a-main {
    flex: 1;
    padding-top: 80px;
}

.ga4a-section {
    padding: 40px 0;
}

.ga4a-section-title {
    text-align: center;
    margin-bottom: 32px;
}

/* Carousel */
.ga4a-carousel {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--ga4a-border-radius);
    margin-bottom: 32px;
}

.ga4a-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    cursor: pointer;
}

.ga4a-slide.active {
    opacity: 1;
}

.ga4a-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ga4a-carousel-indicators {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.ga4a-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--ga4a-transition);
}

.ga4a-indicator.active {
    background: var(--ga4a-accent);
    transform: scale(1.2);
}

/* Game Grid */
.ga4a-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}

.ga4a-game-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: var(--ga4a-border-radius-sm);
    background: rgba(255, 255, 255, 0.05);
    transition: var(--ga4a-transition);
    cursor: pointer;
    text-decoration: none;
}

.ga4a-game-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.ga4a-game-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--ga4a-border-radius-sm);
    object-fit: cover;
}

.ga4a-game-name {
    font-size: 1.2rem;
    color: var(--ga4a-text-secondary);
    text-align: center;
    line-height: 1.2;
    max-height: 2.4rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* Cards */
.ga4a-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--ga4a-border-radius);
    padding: 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--ga4a-transition);
}

.ga4a-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: var(--ga4a-shadow);
}

.ga4a-card-header {
    margin-bottom: 16px;
}

.ga4a-card-title {
    color: var(--ga4a-accent);
    font-size: 1.8rem;
}

.ga4a-card-content {
    color: var(--ga4a-text-secondary);
}

/* Features */
.ga4a-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.ga4a-feature {
    text-align: center;
    padding: 24px 16px;
    border-radius: var(--ga4a-border-radius);
    background: rgba(255, 255, 255, 0.05);
    transition: var(--ga4a-transition);
}

.ga4a-feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.ga4a-feature-icon {
    font-size: 4rem;
    color: var(--ga4a-accent);
    margin-bottom: 16px;
}

.ga4a-feature-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--ga4a-text-primary);
}

.ga4a-feature-description {
    font-size: 1.4rem;
    color: var(--ga4a-text-secondary);
}

/* Bottom Navigation */
.ga4a-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ga4a-bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    height: 64px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 0;
}

.ga4a-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--ga4a-text-muted);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--ga4a-transition);
    padding: 8px;
    border-radius: var(--ga4a-border-radius-sm);
    min-width: 60px;
    cursor: pointer;
    border: none;
    background: none;
}

.ga4a-nav-item:hover,
.ga4a-nav-item.active {
    color: var(--ga4a-accent);
    background: rgba(30, 144, 255, 0.1);
}

.ga4a-nav-icon {
    font-size: 2.4rem;
}

.ga4a-nav-text {
    font-size: 1rem;
    font-weight: 500;
}

/* Footer */
.ga4a-footer {
    background: var(--ga4a-bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 0 80px;
    margin-top: auto;
}

.ga4a-footer-content {
    text-align: center;
    margin-bottom: 32px;
}

.ga4a-footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.ga4a-footer-link {
    color: var(--ga4a-text-muted);
    font-size: 1.4rem;
    transition: var(--ga4a-transition);
}

.ga4a-footer-link:hover {
    color: var(--ga4a-accent);
}

.ga4a-partners {
    margin: 32px 0;
}

.ga4a-partners-title {
    text-align: center;
    margin-bottom: 24px;
    color: var(--ga4a-text-secondary);
}

.ga4a-partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 16px;
    max-width: 400px;
    margin: 0 auto;
}

.ga4a-partner-logo {
    width: 60px;
    height: 60px;
    border-radius: var(--ga4a-border-radius-sm);
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--ga4a-transition);
}

.ga4a-partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.ga4a-copyright {
    text-align: center;
    color: var(--ga4a-text-muted);
    font-size: 1.2rem;
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 24px;
}

/* Animations */
.ga4a-animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.ga4a-animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

@keyframes ga4a-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ga4a-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes ga4a-slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading Spinner */
.ga4a-loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.ga4a-loading-spinner .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top: 3px solid var(--ga4a-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (min-width: 768px) {
    .ga4a-mobile-menu {
        display: none;
    }

    .ga4a-menu-overlay {
        display: none;
    }

    .ga4a-menu-toggle {
        display: block;
    }

    .ga4a-bottom-nav {
        display: none;
    }

    .ga4a-wrapper {
        padding-bottom: 0;
    }

    .ga4a-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .ga4a-game-icon {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 767px) {
    .ga4a-header-buttons .ga4a-btn {
        display: none;
    }

    .ga4a-menu-toggle {
        display: block;
    }
}

@media (max-width: 480px) {
    .ga4a-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 8px;
    }

    .ga4a-game-icon {
        width: 50px;
        height: 50px;
    }

    .ga4a-game-name {
        font-size: 1.1rem;
    }

    .ga4a-container {
        padding: 0 12px;
    }
}

/* Utility Classes */
.ga4a-text-center {
    text-align: center;
}

.ga4a-text-left {
    text-align: left;
}

.ga4a-text-right {
    text-align: right;
}

.ga4a-mb-0 { margin-bottom: 0; }
.ga4a-mb-1 { margin-bottom: 8px; }
.ga4a-mb-2 { margin-bottom: 16px; }
.ga4a-mb-3 { margin-bottom: 24px; }
.ga4a-mb-4 { margin-bottom: 32px; }

.ga4a-mt-0 { margin-top: 0; }
.ga4a-mt-1 { margin-top: 8px; }
.ga4a-mt-2 { margin-top: 16px; }
.ga4a-mt-3 { margin-top: 24px; }
.ga4a-mt-4 { margin-top: 32px; }

.ga4a-p-1 { padding: 8px; }
.ga4a-p-2 { padding: 16px; }
.ga4a-p-3 { padding: 24px; }
.ga4a-p-4 { padding: 32px; }

.ga4a-hidden {
    display: none;
}

.ga4a-visible {
    display: block;
}

/* Accessibility */
.ga4a-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 Styles */
.ga4a-btn:focus,
.ga4a-nav-item:focus,
.ga4a-game-item:focus {
    outline: 2px solid var(--ga4a-accent);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .ga4a-header,
    .ga4a-bottom-nav,
    .ga4a-mobile-menu,
    .ga4a-menu-overlay {
        display: none;
    }

    .ga4a-wrapper {
        padding-bottom: 0;
    }

    body {
        background: white;
        color: black;
    }
}