/**
 * fairplay login - Main CSS Stylesheet
 * Mobile-first responsive design with modern CSS
 */

/* CSS Variables */
:root {
    /* Color Palette */
    --pga4-primary: #DEB887;
    --pga4-secondary: #BBBBBB;
    --pga4-dark: #141414;
    --pga4-medium: #5D5D5D;
    --pga4-light: #FFFFFF;
    --pga4-accent: #FFD700;

    /* Typography */
    --pga4-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --pga4-font-secondary: 'Georgia', 'Times New Roman', serif;

    /* Spacing */
    --pga4-spacing-xs: 0.25rem;
    --pga4-spacing-sm: 0.5rem;
    --pga4-spacing-md: 1rem;
    --pga4-spacing-lg: 1.5rem;
    --pga4-spacing-xl: 2rem;
    --pga4-spacing-xxl: 3rem;

    /* Border Radius */
    --pga4-radius-sm: 0.25rem;
    --pga4-radius-md: 0.5rem;
    --pga4-radius-lg: 1rem;
    --pga4-radius-full: 50%;

    /* Shadows */
    --pga4-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --pga4-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --pga4-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --pga4-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --pga4-transition-fast: 150ms ease-in-out;
    --pga4-transition-normal: 300ms ease-in-out;
    --pga4-transition-slow: 500ms ease-in-out;

    /* Z-index */
    --pga4-z-dropdown: 1000;
    --pga4-z-sticky: 1020;
    --pga4-z-fixed: 1030;
    --pga4-z-modal: 1040;
    --pga4-z-popover: 1050;
    --pga4-z-tooltip: 1060;
}

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

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

body {
    font-family: var(--pga4-font-primary);
    font-size: 1.6rem;
    line-height: 1.5;
    color: var(--pga4-secondary);
    background-color: var(--pga4-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    border-style: none;
}

a {
    color: var(--pga4-primary);
    text-decoration: none;
    transition: color var(--pga4-transition-fast);
}

a:hover {
    color: var(--pga4-accent);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--pga4-font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--pga4-spacing-md);
    color: var(--pga4-light);
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.4rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.8rem;
}

h5 {
    font-size: 1.6rem;
}

h6 {
    font-size: 1.4rem;
}

p {
    margin-bottom: var(--pga4-spacing-md);
}

/* Container */
.pga4-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--pga4-spacing-md);
}

/* Header */
.pga4-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--pga4-dark) 0%, #1a1a1a 100%);
    border-bottom: 2px solid var(--pga4-primary);
    z-index: var(--pga4-z-fixed);
    backdrop-filter: blur(10px);
    box-shadow: var(--pga4-shadow-lg);
}

.pga4-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pga4-spacing-sm) var(--pga4-spacing-md);
    min-height: 60px;
}

.pga4-logo {
    display: flex;
    align-items: center;
    gap: var(--pga4-spacing-sm);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--pga4-primary);
    text-decoration: none;
}

.pga4-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--pga4-radius-sm);
}

.pga4-header-actions {
    display: flex;
    align-items: center;
    gap: var(--pga4-spacing-sm);
}

/* Mobile Menu Toggle */
.pga4-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--pga4-radius-sm);
    transition: background-color var(--pga4-transition-fast);
}

.pga4-menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.pga4-menu-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--pga4-primary);
    margin: 2px 0;
    transition: all var(--pga4-transition-normal);
}

/* Mobile Menu Overlay */
.pga4-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: var(--pga4-z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--pga4-transition-normal);
}

.pga4-menu-overlay.pga4-active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Menu */
.pga4-mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, var(--pga4-dark) 0%, #2a2a2a 100%);
    box-shadow: var(--pga4-shadow-xl);
    z-index: var(--pga4-z-popover);
    transition: right var(--pga4-transition-normal);
    overflow-y: auto;
}

.pga4-mobile-menu.pga4-active {
    right: 0;
}

.pga4-mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pga4-spacing-md);
    border-bottom: 1px solid var(--pga4-medium);
}

.pga4-mobile-menu-nav {
    padding: var(--pga4-spacing-md);
}

.pga4-mobile-menu-nav a {
    display: block;
    padding: var(--pga4-spacing-sm) var(--pga4-spacing-md);
    color: var(--pga4-secondary);
    border-radius: var(--pga4-radius-sm);
    transition: all var(--pga4-transition-fast);
    margin-bottom: var(--pga4-spacing-sm);
}

.pga4-mobile-menu-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--pga4-primary);
}

.pga4-mobile-menu-nav a.pga4-active {
    background-color: var(--pga4-primary);
    color: var(--pga4-dark);
}

/* Buttons */
.pga4-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--pga4-spacing-sm) var(--pga4-spacing-md);
    font-size: 1.4rem;
    font-weight: 600;
    border: none;
    border-radius: var(--pga4-radius-md);
    cursor: pointer;
    transition: all var(--pga4-transition-fast);
    text-decoration: none;
    min-height: 44px;
    gap: var(--pga4-spacing-xs);
    position: relative;
    overflow: hidden;
}

.pga4-btn-primary {
    background: linear-gradient(135deg, var(--pga4-primary) 0%, #c9a475 100%);
    color: var(--pga4-dark);
    box-shadow: var(--pga4-shadow-md);
}

.pga4-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--pga4-shadow-lg);
}

.pga4-btn-secondary {
    background: transparent;
    color: var(--pga4-primary);
    border: 2px solid var(--pga4-primary);
}

.pga4-btn-secondary:hover {
    background-color: var(--pga4-primary);
    color: var(--pga4-dark);
}

.pga4-btn-ghost {
    background: transparent;
    color: var(--pga4-secondary);
}

.pga4-btn-ghost:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--pga4-primary);
}

.pga4-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pga4-btn-loading {
    pointer-events: none;
}

.pga4-btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: var(--pga4-radius-full);
    animation: pga4-spin 1s linear infinite;
}

/* Main Content */
.pga4-main {
    margin-top: 60px;
    padding-bottom: 80px;
    min-height: calc(100vh - 140px);
}

/* Carousel */
.pga4-carousel {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--pga4-radius-lg);
    margin-bottom: var(--pga4-spacing-lg);
    box-shadow: var(--pga4-shadow-lg);
}

.pga4-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--pga4-transition-normal);
}

.pga4-carousel-slide.pga4-active {
    opacity: 1;
}

.pga4-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pga4-carousel-controls {
    position: absolute;
    bottom: var(--pga4-spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--pga4-spacing-sm);
}

.pga4-carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: var(--pga4-radius-full);
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--pga4-transition-fast);
}

.pga4-carousel-indicator.pga4-active {
    background-color: var(--pga4-primary);
    transform: scale(1.2);
}

.pga4-carousel-prev,
.pga4-carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--pga4-light);
    border: none;
    border-radius: var(--pga4-radius-full);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--pga4-transition-fast);
}

.pga4-carousel-prev {
    left: var(--pga4-spacing-sm);
}

.pga4-carousel-next {
    right: var(--pga4-spacing-sm);
}

.pga4-carousel-prev:hover,
.pga4-carousel-next:hover {
    background-color: var(--pga4-primary);
    color: var(--pga4-dark);
}

/* Game Grid */
.pga4-game-section {
    margin-bottom: var(--pga4-spacing-xl);
}

.pga4-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--pga4-spacing-md);
    padding-bottom: var(--pga4-spacing-sm);
    border-bottom: 2px solid var(--pga4-primary);
}

.pga4-section-title {
    font-size: 2rem;
    color: var(--pga4-primary);
}

.pga4-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pga4-spacing-sm);
    margin-bottom: var(--pga4-spacing-lg);
}

.pga4-game-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--pga4-radius-md);
    padding: var(--pga4-spacing-sm);
    cursor: pointer;
    transition: all var(--pga4-transition-fast);
    position: relative;
    overflow: hidden;
}

.pga4-game-item:hover {
    transform: translateY(-4px);
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: var(--pga4-shadow-lg);
}

.pga4-game-icon {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--pga4-radius-sm);
    margin-bottom: var(--pga4-spacing-xs);
}

.pga4-game-name {
    font-size: 1rem;
    text-align: center;
    color: var(--pga4-secondary);
    font-weight: 500;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Cards */
.pga4-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: var(--pga4-radius-lg);
    padding: var(--pga4-spacing-lg);
    margin-bottom: var(--pga4-spacing-lg);
    box-shadow: var(--pga4-shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.pga4-card-header {
    margin-bottom: var(--pga4-spacing-md);
}

.pga4-card-title {
    font-size: 1.8rem;
    color: var(--pga4-primary);
    margin-bottom: var(--pga4-spacing-xs);
}

.pga4-card-subtitle {
    font-size: 1.4rem;
    color: var(--pga4-secondary);
    opacity: 0.8;
}

.pga4-card-content {
    font-size: 1.4rem;
    line-height: 1.6;
}

.pga4-card-footer {
    margin-top: var(--pga4-spacing-md);
    padding-top: var(--pga4-spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Feature Lists */
.pga4-feature-list {
    list-style: none;
    margin-bottom: var(--pga4-spacing-md);
}

.pga4-feature-list li {
    display: flex;
    align-items: center;
    gap: var(--pga4-spacing-sm);
    padding: var(--pga4-spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pga4-feature-list li:last-child {
    border-bottom: none;
}

.pga4-feature-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--pga4-primary);
}

/* Stats */
.pga4-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pga4-spacing-md);
    margin-bottom: var(--pga4-spacing-lg);
}

.pga4-stat-card {
    background: linear-gradient(135deg, var(--pga4-primary) 0%, #c9a475 100%);
    border-radius: var(--pga4-radius-md);
    padding: var(--pga4-spacing-md);
    text-align: center;
    color: var(--pga4-dark);
}

.pga4-stat-value {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: var(--pga4-spacing-xs);
}

.pga4-stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Footer */
.pga4-footer {
    background: linear-gradient(135deg, #0a0a0a 0%, var(--pga4-dark) 100%);
    border-top: 2px solid var(--pga4-primary);
    padding: var(--pga4-spacing-xl) 0;
    margin-top: var(--pga4-spacing-xxl);
}

.pga4-footer-content {
    margin-bottom: var(--pga4-spacing-lg);
}

.pga4-footer-section {
    margin-bottom: var(--pga4-spacing-lg);
}

.pga4-footer-title {
    font-size: 1.8rem;
    color: var(--pga4-primary);
    margin-bottom: var(--pga4-spacing-md);
}

.pga4-footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pga4-spacing-sm);
    margin-bottom: var(--pga4-spacing-md);
}

.pga4-footer-links a {
    color: var(--pga4-secondary);
    font-size: 1.4rem;
    padding: var(--pga4-spacing-xs);
    border-radius: var(--pga4-radius-sm);
    transition: all var(--pga4-transition-fast);
}

.pga4-footer-links a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--pga4-primary);
}

.pga4-partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--pga4-spacing-md);
    margin-bottom: var(--pga4-spacing-lg);
}

.pga4-partner-logo {
    width: 60px;
    height: 30px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity var(--pga4-transition-fast);
}

.pga4-partner-logo:hover {
    opacity: 1;
}

.pga4-copyright {
    text-align: center;
    font-size: 1.2rem;
    color: var(--pga4-medium);
    padding-top: var(--pga4-spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Bottom Navigation */
.pga4-mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--pga4-dark) 0%, #1a1a1a 100%);
    border-top: 2px solid var(--pga4-primary);
    z-index: var(--pga4-z-fixed);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
}

.pga4-mobile-nav-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--pga4-spacing-xs) 0;
    height: 60px;
}

.pga4-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--pga4-transition-fast);
    text-decoration: none;
    color: var(--pga4-secondary);
    border-radius: var(--pga4-radius-sm);
    padding: var(--pga4-spacing-xs);
}

.pga4-nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--pga4-primary);
}

.pga4-nav-item.pga4-active {
    color: var(--pga4-primary);
}

.pga4-nav-icon {
    font-size: 2.2rem;
    margin-bottom: var(--pga4-spacing-xs);
    transition: transform var(--pga4-transition-fast);
}

.pga4-nav-item:hover .pga4-nav-icon {
    transform: scale(1.1);
}

.pga4-nav-text {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
}

/* Animations */
@keyframes pga4-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pga4-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pga4-slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pga4-slide-in-right {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.pga4-animate-fade-in {
    animation: pga4-fade-in var(--pga4-transition-normal) ease-out;
}

.pga4-animate-slide-in-left {
    animation: pga4-slide-in-left var(--pga4-transition-normal) ease-out;
}

.pga4-animate-slide-in-right {
    animation: pga4-slide-in-right var(--pga4-transition-normal) ease-out;
}

/* Loading States */
.pga4-loading {
    pointer-events: none;
    opacity: 0.6;
}

.pga4-skeleton {
    background: linear-gradient(90deg, var(--pga4-medium) 25%, var(--pga4-secondary) 50%, var(--pga4-medium) 75%);
    background-size: 200% 100%;
    animation: pga4-loading 1.5s infinite;
}

@keyframes pga4-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Error States */
.pga4-error {
    color: #ff4444;
    border-color: #ff4444;
}

.pga4-image-error {
    filter: grayscale(100%);
    opacity: 0.5;
}

/* Responsive Design */
@media (min-width: 769px) {
    .pga4-desktop-only {
        display: block;
    }

    .pga4-mobile-only {
        display: none;
    }

    .pga4-mobile-nav {
        display: none;
    }

    .pga4-main {
        padding-bottom: 0;
    }

    .pga4-game-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .pga4-mobile-menu-toggle {
        display: none;
    }
}

@media (max-width: 768px) {
    .pga4-desktop-only {
        display: none;
    }

    .pga4-mobile-only {
        display: block;
    }

    .pga4-game-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pga4-footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .pga4-container {
        padding: 0 var(--pga4-spacing-sm);
    }

    .pga4-game-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--pga4-spacing-xs);
    }

    .pga4-game-icon {
        aspect-ratio: 1;
    }

    .pga4-game-name {
        font-size: 0.9rem;
    }

    h1 {
        font-size: 2.4rem;
    }

    h2 {
        font-size: 2rem;
    }
}

/* Print Styles */
@media print {
    .pga4-header,
    .pga4-mobile-nav,
    .pga4-carousel,
    .pga4-btn {
        display: none !important;
    }

    .pga4-main {
        margin-top: 0;
        padding-bottom: 0;
    }

    body {
        background: white;
        color: black;
    }

    .pga4-card {
        border: 1px solid #ccc;
        background: white;
    }
}

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

.pga4-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus Styles */
.pga4-btn:focus,
.pga4-nav-item:focus,
.pga4-game-item:focus {
    outline: 2px solid var(--pga4-primary);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --pga4-primary: #FFD700;
        --pga4-secondary: #FFFFFF;
        --pga4-dark: #000000;
        --pga4-medium: #666666;
        --pga4-light: #FFFFFF;
    }

    .pga4-card {
        border: 2px solid var(--pga4-primary);
    }
}