/**
 * Nustar Game Login - Main Stylesheet
 * All classes use prefix 'pgb4-' for namespace isolation
 * Color Palette: #A9A9A9 | #36454F | #262626 | #95A5A6 | #A9A9A9 | #FFA500
 */

/* CSS Variables */
:root {
    --pgb4-primary: #FFA500;
    --pgb4-secondary: #36454F;
    --pgb4-bg-dark: #262626;
    --pgb4-bg-light: #36454F;
    --pgb4-text-light: #A9A9A9;
    --pgb4-text-muted: #95A5A6;
    --pgb4-accent: #FFA500;
    --pgb4-white: #ffffff;
    --pgb4-border: #444;
    --pgb4-gradient: linear-gradient(135deg, #FFA500 0%, #ff6b00 100%);
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--pgb4-bg-dark);
    color: var(--pgb4-text-light);
    line-height: 1.5;
    font-size: 1.4rem;
    min-height: 100vh;
}

a {
    color: var(--pgb4-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--pgb4-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.pgb4-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.pgb4-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--pgb4-bg-light);
    padding: 0.8rem 1rem;
    z-index: 1000;
    border-bottom: 1px solid var(--pgb4-border);
}

.pgb4-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 430px;
    margin: 0 auto;
}

.pgb4-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.pgb4-logo img {
    width: 28px;
    height: 28px;
}

.pgb4-logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--pgb4-white);
}

.pgb4-header-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.pgb4-btn {
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.pgb4-btn-primary {
    background: var(--pgb4-gradient);
    color: var(--pgb4-white);
}

.pgb4-btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 165, 0, 0.4);
}

.pgb4-btn-outline {
    background: transparent;
    color: var(--pgb4-accent);
    border: 1px solid var(--pgb4-accent);
}

.pgb4-btn-outline:hover {
    background: var(--pgb4-accent);
    color: var(--pgb4-bg-dark);
}

.pgb4-menu-toggle {
    background: none;
    border: none;
    color: var(--pgb4-text-light);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.4rem;
}

/* Mobile Menu */
.pgb4-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.pgb4-overlay-active {
    opacity: 1;
    visibility: visible;
}

.pgb4-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--pgb4-bg-light);
    z-index: 9999;
    padding: 2rem 1.5rem;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.pgb4-menu-active {
    right: 0;
}

.pgb4-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--pgb4-text-light);
    font-size: 2.4rem;
    cursor: pointer;
}

.pgb4-menu-nav {
    margin-top: 3rem;
}

.pgb4-menu-link {
    display: block;
    padding: 1rem 0;
    color: var(--pgb4-text-light);
    font-size: 1.4rem;
    border-bottom: 1px solid var(--pgb4-border);
    transition: all 0.3s ease;
}

.pgb4-menu-link:hover {
    color: var(--pgb4-accent);
    padding-left: 0.5rem;
}

/* Main Content */
main {
    padding-top: 60px;
}

@media (max-width: 768px) {
    main {
        padding-bottom: 80px;
    }
}

/* Carousel */
.pgb4-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    margin: 1rem;
}

.pgb4-slides {
    display: flex;
    transition: transform 0.5s ease;
}

.pgb4-slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.pgb4-slide-active {
    opacity: 1;
    position: relative;
}

.pgb4-slide img {
    width: 100%;
    border-radius: 8px;
    cursor: pointer;
}

/* Section Styles */
.pgb4-section {
    padding: 2rem 1rem;
}

.pgb4-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--pgb4-white);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--pgb4-accent);
}

.pgb4-subtitle {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--pgb4-accent);
    margin: 1.5rem 0 1rem;
}

/* Game Grid */
.pgb4-game-category {
    margin-bottom: 2rem;
}

.pgb4-category-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--pgb4-accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pgb4-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}

.pgb4-game-item {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.pgb4-game-item:hover {
    transform: translateY(-3px);
}

.pgb4-game-img {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 0.4rem;
    border: 2px solid var(--pgb4-border);
    transition: border-color 0.3s ease;
}

.pgb4-game-item:hover .pgb4-game-img {
    border-color: var(--pgb4-accent);
}

.pgb4-game-name {
    font-size: 1rem;
    color: var(--pgb4-text-light);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Content Card */
.pgb4-card {
    background: var(--pgb4-bg-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--pgb4-border);
}

.pgb4-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--pgb4-accent);
    margin-bottom: 1rem;
}

.pgb4-card-text {
    color: var(--pgb4-text-light);
    font-size: 1.3rem;
    line-height: 1.6;
}

.pgb4-card-text p {
    margin-bottom: 1rem;
}

.pgb4-card-text ul, .pgb4-card-text ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.pgb4-card-text li {
    margin-bottom: 0.5rem;
}

/* Footer */
.pgb4-footer {
    background: var(--pgb4-bg-light);
    padding: 2rem 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--pgb4-border);
}

.pgb4-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.pgb4-footer-link {
    color: var(--pgb4-text-muted);
    font-size: 1.2rem;
}

.pgb4-footer-link:hover {
    color: var(--pgb4-accent);
}

.pgb4-partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin: 1.5rem 0;
}

.pgb4-partner-img {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.pgb4-partner-img:hover {
    opacity: 1;
}

.pgb4-copyright {
    text-align: center;
    color: var(--pgb4-text-muted);
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Bottom Navigation */
.pgb4-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--pgb4-bg-light);
    border-top: 1px solid var(--pgb4-border);
    z-index: 1000;
    padding: 0.5rem 0;
}

@media (min-width: 769px) {
    .pgb4-bottom-nav {
        display: none;
    }
}

.pgb4-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 430px;
    margin: 0 auto;
}

.pgb4-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--pgb4-text-muted);
    background: none;
    border: none;
}

.pgb4-nav-item:hover {
    color: var(--pgb4-accent);
    transform: scale(1.1);
}

.pgb4-nav-item.active {
    color: var(--pgb4-accent);
}

.pgb4-nav-icon {
    font-size: 2.2rem;
    margin-bottom: 0.2rem;
}

.pgb4-nav-text {
    font-size: 1rem;
}

/* Promo Banner */
.pgb4-promo-banner {
    background: var(--pgb4-gradient);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1rem;
    text-align: center;
}

.pgb4-promo-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--pgb4-white);
    margin-bottom: 0.5rem;
}

.pgb4-promo-text {
    font-size: 1.2rem;
    color: var(--pgb4-white);
    opacity: 0.9;
}

/* Features List */
.pgb4-features {
    display: grid;
    gap: 1rem;
}

.pgb4-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--pgb4-bg-light);
    border-radius: 8px;
    border: 1px solid var(--pgb4-border);
}

.pgb4-feature-icon {
    font-size: 2.4rem;
    color: var(--pgb4-accent);
    flex-shrink: 0;
}

.pgb4-feature-content h4 {
    font-size: 1.4rem;
    color: var(--pgb4-white);
    margin-bottom: 0.3rem;
}

.pgb4-feature-content p {
    font-size: 1.2rem;
    color: var(--pgb4-text-muted);
}

/* FAQ Section */
.pgb4-faq-item {
    background: var(--pgb4-bg-light);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    border: 1px solid var(--pgb4-border);
}

.pgb4-faq-question {
    padding: 1rem 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--pgb4-white);
    background: var(--pgb4-bg-light);
    cursor: pointer;
}

.pgb4-faq-answer {
    padding: 1rem 1.5rem;
    font-size: 1.2rem;
    color: var(--pgb4-text-light);
    border-top: 1px solid var(--pgb4-border);
}

/* RTP Stats */
.pgb4-rtp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.pgb4-rtp-item {
    background: var(--pgb4-bg-light);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--pgb4-border);
}

.pgb4-rtp-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pgb4-accent);
}

.pgb4-rtp-label {
    font-size: 1.1rem;
    color: var(--pgb4-text-muted);
    margin-top: 0.3rem;
}

/* Responsive */
@media (max-width: 430px) {
    .pgb4-game-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.6rem;
    }

    .pgb4-game-name {
        font-size: 0.9rem;
    }
}

/* Utility Classes */
.pgb4-text-center { text-align: center; }
.pgb4-mt-1 { margin-top: 1rem; }
.pgb4-mb-1 { margin-bottom: 1rem; }
.pgb4-py-2 { padding-top: 2rem; padding-bottom: 2rem; }