/**
 * TG7772 - Main Theme CSS
 * Mobile-first responsive design with modern color scheme
 * All classes use gb9d- prefix for namespacing
 */

/* CSS Custom Properties (Variables) */
:root {
    /* Color Palette */
    --gb9d-primary: #FA8072;
    --gb9d-secondary: #00695C;
    --gb9d-accent: #FFA500;
    --gb9d-dark: #2E4057;
    --gb9d-light: #48D1CC;

    /* Extended Colors */
    --gb9d-primary-dark: #E85A4C;
    --gb9d-primary-light: #FFB3AA;
    --gb9d-secondary-dark: #004D40;
    --gb9d-secondary-light: #26A69A;
    --gb9d-accent-dark: #FF8C00;
    --gb9d-accent-light: #FFB84D;

    /* Background Colors */
    --gb9d-bg-primary: #1a1a1a;
    --gb9d-bg-secondary: #2d2d2d;
    --gb9d-bg-card: #242424;
    --gb9d-bg-header: #1f1f1f;

    /* Text Colors */
    --gb9d-text-primary: #ffffff;
    --gb9d-text-secondary: #b0b0b0;
    --gb9d-text-muted: #808080;
    --gb9d-text-accent: var(--gb9d-primary);

    /* Border Colors */
    --gb9d-border-primary: #333333;
    --gb9d-border-secondary: #444444;
    --gb9d-border-accent: var(--gb9d-primary);

    /* Shadow Colors */
    --gb9d-shadow: rgba(0, 0, 0, 0.3);
    --gb9d-shadow-light: rgba(0, 0, 0, 0.1);
    --gb9d-shadow-heavy: rgba(0, 0, 0, 0.5);

    /* Spacing */
    --gb9d-spacing-xs: 0.25rem;
    --gb9d-spacing-sm: 0.5rem;
    --gb9d-spacing-md: 1rem;
    --gb9d-spacing-lg: 1.5rem;
    --gb9d-spacing-xl: 2rem;
    --gb9d-spacing-xxl: 3rem;

    /* Border Radius */
    --gb9d-radius-sm: 0.25rem;
    --gb9d-radius-md: 0.5rem;
    --gb9d-radius-lg: 1rem;
    --gb9d-radius-xl: 2rem;

    /* Typography */
    --gb9d-font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --gb9d-font-family-secondary: 'Arial', sans-serif;

    /* Font Sizes */
    --gb9d-text-xs: 0.75rem;
    --gb9d-text-sm: 0.875rem;
    --gb9d-text-base: 1rem;
    --gb9d-text-lg: 1.125rem;
    --gb9d-text-xl: 1.25rem;
    --gb9d-text-2xl: 1.5rem;
    --gb9d-text-3xl: 1.875rem;
    --gb9d-text-4xl: 2.25rem;

    /* Z-Index Scale */
    --gb9d-z-dropdown: 1000;
    --gb9d-z-sticky: 1020;
    --gb9d-z-fixed: 1030;
    --gb9d-z-modal-backdrop: 1040;
    --gb9d-z-modal: 1050;
    --gb9d-z-popover: 1060;
    --gb9d-z-tooltip: 1070;
    --gb9d-z-toast: 1080;
}

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

html {
    font-size: 62.5%; /* 10px base for easy rem calculations */
    scroll-behavior: smooth;
}

body {
    font-family: var(--gb9d-font-family-primary);
    font-size: var(--gb9d-text-base);
    line-height: 1.5;
    color: var(--gb9d-text-primary);
    background-color: var(--gb9d-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.gb9d-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--gb9d-spacing-md);
}

.gb9d-wrapper {
    padding: var(--gb9d-spacing-md) 0;
}

/* Grid System */
.gb9d-grid {
    display: grid;
    gap: var(--gb9d-spacing-md);
}

.gb9d-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.gb9d-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.gb9d-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.gb9d-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

/* Header Styles */
.gb9d-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--gb9d-bg-header), var(--gb9d-bg-secondary));
    border-bottom: 1px solid var(--gb9d-border-primary);
    z-index: var(--gb9d-z-fixed);
    transition: all 0.3s ease;
}

.gb9d-header.gb9d-scrolled {
    box-shadow: 0 4px 20px var(--gb9d-shadow);
}

.gb9d-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gb9d-spacing-sm) var(--gb9d-spacing-md);
    height: 60px;
}

.gb9d-logo {
    display: flex;
    align-items: center;
    gap: var(--gb9d-spacing-sm);
    text-decoration: none;
    color: var(--gb9d-text-primary);
}

.gb9d-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--gb9d-radius-sm);
}

.gb9d-logo-text {
    font-size: var(--gb9d-text-lg);
    font-weight: 700;
    color: var(--gb9d-primary);
}

.gb9d-header-actions {
    display: flex;
    gap: var(--gb9d-spacing-sm);
}

.gb9d-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gb9d-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--gb9d-spacing-sm);
    border-radius: var(--gb9d-radius-sm);
    transition: background-color 0.3s ease;
}

.gb9d-menu-toggle:hover {
    background-color: var(--gb9d-bg-card);
}

/* Navigation */
.gb9d-nav {
    display: flex;
    align-items: center;
    gap: var(--gb9d-spacing-md);
}

.gb9d-nav-link {
    color: var(--gb9d-text-secondary);
    text-decoration: none;
    font-size: var(--gb9d-text-sm);
    font-weight: 500;
    padding: var(--gb9d-spacing-sm) var(--gb9d-spacing-md);
    border-radius: var(--gb9d-radius-md);
    transition: all 0.3s ease;
}

.gb9d-nav-link:hover {
    color: var(--gb9d-text-primary);
    background-color: var(--gb9d-bg-card);
}

/* Buttons */
.gb9d-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--gb9d-spacing-sm);
    padding: var(--gb9d-spacing-sm) var(--gb9d-spacing-md);
    border: none;
    border-radius: var(--gb9d-radius-md);
    font-size: var(--gb9d-text-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 44px;
    min-width: 44px;
}

.gb9d-btn-primary {
    background: linear-gradient(135deg, var(--gb9d-primary), var(--gb9d-primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(250, 128, 114, 0.3);
}

.gb9d-btn-primary:hover {
    background: linear-gradient(135deg, var(--gb9d-primary-dark), var(--gb9d-primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(250, 128, 114, 0.4);
}

.gb9d-btn-secondary {
    background: linear-gradient(135deg, var(--gb9d-secondary), var(--gb9d-secondary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 105, 92, 0.3);
}

.gb9d-btn-secondary:hover {
    background: linear-gradient(135deg, var(--gb9d-secondary-dark), var(--gb9d-secondary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 105, 92, 0.4);
}

.gb9d-btn-accent {
    background: linear-gradient(135deg, var(--gb9d-accent), var(--gb9d-accent-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.3);
}

.gb9d-btn-accent:hover {
    background: linear-gradient(135deg, var(--gb9d-accent-dark), var(--gb9d-accent));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 165, 0, 0.4);
}

/* Mobile Menu */
.gb9d-mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--gb9d-bg-secondary);
    z-index: var(--gb9d-z-modal);
    transition: left 0.3s ease;
    overflow-y: auto;
}

.gb9d-mobile-menu.gb9d-menu-open {
    left: 0;
}

.gb9d-mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gb9d-spacing-md);
    border-bottom: 1px solid var(--gb9d-border-primary);
}

.gb9d-menu-close {
    background: none;
    border: none;
    color: var(--gb9d-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--gb9d-spacing-sm);
    border-radius: var(--gb9d-radius-sm);
    transition: background-color 0.3s ease;
}

.gb9d-menu-close:hover {
    background-color: var(--gb9d-bg-card);
}

.gb9d-mobile-menu-nav {
    padding: var(--gb9d-spacing-md);
}

.gb9d-mobile-menu-link {
    display: block;
    padding: var(--gb9d-spacing-md);
    color: var(--gb9d-text-primary);
    text-decoration: none;
    font-size: var(--gb9d-text-base);
    font-weight: 500;
    border-radius: var(--gb9d-radius-md);
    margin-bottom: var(--gb9d-spacing-sm);
    transition: all 0.3s ease;
}

.gb9d-mobile-menu-link:hover {
    background-color: var(--gb9d-bg-card);
    color: var(--gb9d-primary);
}

.gb9d-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--gb9d-z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.gb9d-menu-overlay.gb9d-menu-open {
    opacity: 1;
    visibility: visible;
}

/* Main Content */
.gb9d-main {
    margin-top: 80px;
    min-height: calc(100vh - 160px);
    padding-bottom: 100px; /* Space for bottom navigation */
}

/* Carousel */
.gb9d-carousel {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--gb9d-radius-lg);
    margin-bottom: var(--gb9d-spacing-lg);
}

.gb9d-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.gb9d-slide.gb9d-active {
    opacity: 1;
}

.gb9d-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gb9d-carousel-dots {
    position: absolute;
    bottom: var(--gb9d-spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--gb9d-spacing-sm);
}

.gb9d-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gb9d-dot.gb9d-active {
    background: var(--gb9d-primary);
    transform: scale(1.2);
}

/* Cards */
.gb9d-card {
    background: var(--gb9d-bg-card);
    border: 1px solid var(--gb9d-border-primary);
    border-radius: var(--gb9d-radius-lg);
    padding: var(--gb9d-spacing-md);
    margin-bottom: var(--gb9d-spacing-md);
    transition: all 0.3s ease;
}

.gb9d-card:hover {
    border-color: var(--gb9d-border-accent);
    box-shadow: 0 8px 25px var(--gb9d-shadow);
    transform: translateY(-2px);
}

.gb9d-card-header {
    margin-bottom: var(--gb9d-spacing-md);
}

.gb9d-card-title {
    font-size: var(--gb9d-text-lg);
    font-weight: 700;
    color: var(--gb9d-primary);
    margin-bottom: var(--gb9d-spacing-sm);
}

.gb9d-card-subtitle {
    font-size: var(--gb9d-text-sm);
    color: var(--gb9d-text-secondary);
}

.gb9d-card-content {
    color: var(--gb9d-text-secondary);
    line-height: 1.6;
}

.gb9d-card-footer {
    margin-top: var(--gb9d-spacing-md);
    padding-top: var(--gb9d-spacing-md);
    border-top: 1px solid var(--gb9d-border-primary);
}

/* Game Grid */
.gb9d-game-section {
    margin-bottom: var(--gb9d-spacing-xl);
}

.gb9d-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gb9d-spacing-md);
    padding: 0 var(--gb9d-spacing-sm);
}

.gb9d-section-title {
    font-size: var(--gb9d-text-xl);
    font-weight: 700;
    color: var(--gb9d-primary);
}

.gb9d-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gb9d-spacing-sm);
}

.gb9d-game-item {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gb9d-game-item:hover {
    transform: scale(1.05);
}

.gb9d-game-icon {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--gb9d-radius-md);
    margin-bottom: var(--gb9d-spacing-xs);
    box-shadow: 0 4px 10px var(--gb9d-shadow);
}

.gb9d-game-name {
    font-size: var(--gb9d-text-xs);
    color: var(--gb9d-text-secondary);
    font-weight: 500;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Bottom Navigation */
.gb9d-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--gb9d-bg-header), var(--gb9d-bg-secondary));
    border-top: 1px solid var(--gb9d-border-primary);
    z-index: var(--gb9d-z-fixed);
    box-shadow: 0 -4px 20px var(--gb9d-shadow);
}

.gb9d-bottom-nav-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 60px;
    padding: 0 var(--gb9d-spacing-sm);
}

.gb9d-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--gb9d-spacing-xs);
    min-width: 60px;
    min-height: 60px;
    color: var(--gb9d-text-muted);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--gb9d-radius-sm);
    padding: var(--gb9d-spacing-xs);
}

.gb9d-nav-item:hover {
    color: var(--gb9d-primary);
    background-color: rgba(250, 128, 114, 0.1);
    transform: translateY(-2px);
}

.gb9d-nav-item.gb9d-active {
    color: var(--gb9d-primary);
}

.gb9d-nav-icon {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gb9d-nav-text {
    font-size: var(--gb9d-text-xs);
    font-weight: 500;
}

/* Footer */
.gb9d-footer {
    background: var(--gb9d-bg-secondary);
    border-top: 1px solid var(--gb9d-border-primary);
    padding: var(--gb9d-spacing-xl) var(--gb9d-spacing-md) var(--gb9d-spacing-lg);
    margin-top: var(--gb9d-spacing-xxl);
}

.gb9d-footer-content {
    text-align: center;
}

.gb9d-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--gb9d-spacing-md);
    margin-bottom: var(--gb9d-spacing-lg);
}

.gb9d-footer-link {
    color: var(--gb9d-text-secondary);
    text-decoration: none;
    font-size: var(--gb9d-text-sm);
    transition: color 0.3s ease;
}

.gb9d-footer-link:hover {
    color: var(--gb9d-primary);
}

.gb9d-partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--gb9d-spacing-sm);
    margin-bottom: var(--gb9d-spacing-lg);
    opacity: 0.8;
}

.gb9d-partner-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.gb9d-partner-logo:hover {
    filter: grayscale(0%);
}

.gb9d-copyright {
    color: var(--gb9d-text-muted);
    font-size: var(--gb9d-text-xs);
    margin-top: var(--gb9d-spacing-md);
}

/* Utility Classes */
.gb9d-text-center {
    text-align: center;
}

.gb9d-text-left {
    text-align: left;
}

.gb9d-text-right {
    text-align: right;
}

.gb9d-hidden {
    display: none;
}

.gb9d-visible {
    display: block;
}

.gb9d-mb-0 { margin-bottom: 0; }
.gb9d-mb-1 { margin-bottom: var(--gb9d-spacing-xs); }
.gb9d-mb-2 { margin-bottom: var(--gb9d-spacing-sm); }
.gb9d-mb-3 { margin-bottom: var(--gb9d-spacing-md); }
.gb9d-mb-4 { margin-bottom: var(--gb9d-spacing-lg); }
.gb9d-mb-5 { margin-bottom: var(--gb9d-spacing-xl); }

.gb9d-mt-0 { margin-top: 0; }
.gb9d-mt-1 { margin-top: var(--gb9d-spacing-xs); }
.gb9d-mt-2 { margin-top: var(--gb9d-spacing-sm); }
.gb9d-mt-3 { margin-top: var(--gb9d-spacing-md); }
.gb9d-mt-4 { margin-top: var(--gb9d-spacing-lg); }
.gb9d-mt-5 { margin-top: var(--gb9d-spacing-xl); }

.gb9d-p-0 { padding: 0; }
.gb9d-p-1 { padding: var(--gb9d-spacing-xs); }
.gb9d-p-2 { padding: var(--gb9d-spacing-sm); }
.gb9d-p-3 { padding: var(--gb9d-spacing-md); }
.gb9d-p-4 { padding: var(--gb9d-spacing-lg); }
.gb9d-p-5 { padding: var(--gb9d-spacing-xl); }

/* Responsive Design */
@media (min-width: 769px) {
    .gb9d-bottom-nav {
        display: none;
    }

    .gb9d-main {
        padding-bottom: var(--gb9d-spacing-lg);
    }

    .gb9d-container {
        max-width: 100%;
        padding: 0 var(--gb9d-spacing-lg);
    }

    .gb9d-game-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .gb9d-carousel {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .gb9d-nav {
        display: none;
    }

    .gb9d-menu-toggle {
        display: block;
    }

    .gb9d-game-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .gb9d-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .gb9d-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 56.25%; /* 9px base */
    }

    .gb9d-container {
        padding: 0 var(--gb9d-spacing-sm);
    }

    .gb9d-game-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--gb9d-spacing-xs);
    }

    .gb9d-header-content {
        padding: var(--gb9d-spacing-sm);
    }

    .gb9d-logo-text {
        font-size: var(--gb9d-text-base);
    }

    .gb9d-bottom-nav-content {
        padding: 0;
    }

    .gb9d-nav-item {
        min-width: 50px;
        min-height: 50px;
    }

    .gb9d-nav-icon {
        font-size: 1.125rem;
    }
}

/* Animation Classes */
.gb9d-fade-in {
    animation: fadeIn 0.5s ease-in;
}

.gb9d-slide-up {
    animation: slideUp 0.5s ease-out;
}

.gb9d-bounce {
    animation: bounce 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-10px);
    }
    70% {
        transform: translateY(-5px);
    }
    90% {
        transform: translateY(-2px);
    }
}

/* Loading State */
.gb9d-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gb9d-border-primary);
    border-top: 2px solid var(--gb9d-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Lazy Loading */
.gb9d-lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gb9d-lazy.gb9d-loaded {
    opacity: 1;
}