/**
 * Ninong Gaming - Universal Stylesheet
 * Version: 1.0.0
 * Mobile-first responsive design
 */

/* ============================================
   CSS Custom Properties (Color Palette)
============================================ */
:root {
    --color-primary: #DC143C;
    --color-secondary: #FAFAD2;
    --color-accent: #FF7F50;
    --color-dark: #0D1117;
    --color-darker: #8B0000;
    --color-white: #FFFFFF;
    --color-gray-100: #F8F9FA;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-600: #6C757D;
    --color-gray-800: #343A40;
    --color-text: #FAFAD2;
    --color-text-muted: #DEE2E6;

    --spacing-xs: 0.4rem;
    --spacing-sm: 0.8rem;
    --spacing-md: 1.2rem;
    --spacing-lg: 1.6rem;
    --spacing-xl: 2.4rem;

    --border-radius-sm: 0.4rem;
    --border-radius-md: 0.8rem;
    --border-radius-lg: 1.2rem;

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    --shadow-sm: 0 0.2rem 0.4rem rgba(0, 0, 0, 0.1);
    --shadow-md: 0 0.4rem 0.8rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 0.8rem 1.6rem rgba(0, 0, 0, 0.2);
}

/* ============================================
   Base Styles
============================================ */
* {
    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, 'Helvetica Neue', Arial, sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

body.uia7-loaded {
    opacity: 1;
}

/* ============================================
   Container & Layout
============================================ */
.uia7-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.uia7-section {
    padding: var(--spacing-xl) 0;
}

.uia7-wrapper {
    padding-top: 6.4rem; /* Header height */
    padding-bottom: 8rem; /* Mobile nav height */
}

@media (min-width: 769px) {
    .uia7-wrapper {
        padding-bottom: 0;
    }
}

/* ============================================
   Header & Navigation
============================================ */
.uia7-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 6.4rem;
    background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-primary) 100%);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.uia7-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 430px;
    padding: 0 var(--spacing-md);
}

.uia7-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-white);
}

.uia7-logo-icon {
    font-size: 2.8rem;
    color: var(--color-secondary);
}

.uia7-logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.uia7-header-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.uia7-btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.uia7-btn-register {
    background: var(--color-secondary);
    color: var(--color-darker);
}

.uia7-btn-register:hover {
    background: var(--color-white);
    transform: translateY(-0.2rem);
    box-shadow: var(--shadow-sm);
}

.uia7-btn-login {
    background: transparent;
    color: var(--color-white);
    border: 0.2rem solid var(--color-white);
}

.uia7-btn-login:hover {
    background: var(--color-white);
    color: var(--color-darker);
    transform: translateY(-0.2rem);
    box-shadow: var(--shadow-sm);
}

.uia7-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4.4rem;
    height: 4.4rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-white);
    font-size: 2.4rem;
}

@media (min-width: 769px) {
    .uia7-menu-toggle {
        display: none;
    }
}

/* ============================================
   Mobile Menu
============================================ */
.uia7-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 9998;
}

.uia7-menu-overlay.uia7-overlay-active {
    opacity: 1;
    visibility: visible;
}

.uia7-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: linear-gradient(180deg, var(--color-darker) 0%, var(--color-dark) 100%);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
    z-index: 9999;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.uia7-mobile-menu.uia7-menu-open {
    right: 0;
}

.uia7-mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 0.2rem solid var(--color-gray-300);
}

.uia7-mobile-menu-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.uia7-menu-close {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 2.4rem;
    cursor: pointer;
}

.uia7-mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.6rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
}

.uia7-mobile-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
}

.uia7-mobile-nav-link.uia7-nav-active {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ============================================
   Carousel
============================================ */
.uia7-carousel-container {
    position: relative;
    width: 100%;
    height: 20rem;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    margin: var(--spacing-lg) 0;
    background: var(--color-gray-800);
}

.uia7-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.uia7-carousel-slide.uia7-slide-active {
    opacity: 1;
}

.uia7-carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uia7-carousel-dots {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.uia7-carousel-dot {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.uia7-carousel-dot.uia7-dot-active {
    background: var(--color-primary);
    transform: scale(1.3);
}

.uia7-carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3.2rem;
    height: 3.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.6rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.uia7-carousel-nav:hover {
    background: var(--color-primary);
}

.uia7-carousel-prev {
    left: var(--spacing-sm);
}

.uia7-carousel-next {
    right: var(--spacing-sm);
}

/* ============================================
   Game Cards
============================================ */
.uia7-games-section {
    margin: var(--spacing-xl) 0;
}

.uia7-section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.uia7-games-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.uia7-game-card {
    position: relative;
    background: var(--color-gray-800);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.uia7-game-card:hover {
    transform: translateY(-0.4rem);
    box-shadow: var(--shadow-md);
}

.uia7-game-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.uia7-game-name {
    padding: var(--spacing-xs);
    font-size: 1.1rem;
    color: var(--color-white);
    text-align: center;
    background: rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Content Blocks
============================================ */
.uia7-content-block {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.3) 0%, rgba(13, 17, 23, 0.5) 100%);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border: 0.1rem solid rgba(220, 20, 60, 0.2);
}

.uia7-block-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.uia7-block-icon {
    font-size: 2.4rem;
}

.uia7-block-content {
    color: var(--color-text);
    line-height: 1.8;
    font-size: 1.5rem;
}

.uia7-block-content p {
    margin-bottom: var(--spacing-md);
}

.uia7-block-content ul,
.uia7-block-content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.uia7-block-content li {
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   Promotional Links
============================================ */
.uia7-promo-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.8rem 1.6rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-darker) 100%);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    border: 0.2rem solid var(--color-accent);
    cursor: pointer;
}

.uia7-promo-link:hover {
    transform: translateY(-0.2rem);
    box-shadow: var(--shadow-md);
    border-color: var(--color-secondary);
}

.uia7-promo-link i {
    font-size: 1.8rem;
}

/* ============================================
   Footer
============================================ */
.uia7-footer {
    background: linear-gradient(180deg, var(--color-darker) 0%, var(--color-dark) 100%);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 0.3rem solid var(--color-primary);
}

.uia7-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.uia7-footer-link {
    color: var(--color-gray-300);
    text-decoration: none;
    font-size: 1.4rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.uia7-footer-link:hover {
    color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.uia7-partners {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-md);
}

.uia7-partner-logo {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-normal);
}

.uia7-partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.uia7-copyright {
    text-align: center;
    color: var(--color-gray-600);
    font-size: 1.3rem;
    padding: var(--spacing-md);
    border-top: 0.1rem solid var(--color-gray-800);
}

/* ============================================
   Mobile Bottom Navigation
============================================ */
.uia7-mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6.4rem;
    background: linear-gradient(180deg, rgba(139, 0, 0, 0.95) 0%, rgba(13, 17, 23, 0.98) 100%);
    border-top: 0.2rem solid var(--color-primary);
    box-shadow: 0 -0.2rem 0.8rem rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 1000;
    backdrop-filter: blur(1rem);
}

.uia7-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 6rem;
    min-height: 6rem;
    background: transparent;
    border: none;
    cursor: pointer;
    text-decoration: none;
    color: var(--color-gray-300);
    transition: all var(--transition-normal);
    padding: var(--spacing-xs);
}

.uia7-nav-item:hover {
    color: var(--color-secondary);
    transform: scale(1.1);
}

.uia7-nav-item.uia7-nav-active {
    color: var(--color-accent);
}

.uia7-nav-item i,
.uia7-nav-item .material-icons {
    font-size: 2.4rem;
    margin-bottom: 0.2rem;
}

.uia7-nav-text {
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
}

@media (min-width: 769px) {
    .uia7-mobile-bottom-nav {
        display: none;
    }
}

/* ============================================
   Utility Classes
============================================ */
.uia7-text-center {
    text-align: center;
}

.uia7-mt-lg {
    margin-top: var(--spacing-lg);
}

.uia7-mb-lg {
    margin-bottom: var(--spacing-lg);
}

.uia7-hidden {
    display: none;
}

/* ============================================
   Responsive Design
============================================ */
@media (max-width: 768px) {
    main {
        padding-bottom: 8rem;
    }
}

@media (min-width: 769px) {
    .uia7-games-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .uia7-carousel-container {
        height: 30rem;
    }

    .uia7-partners {
        grid-template-columns: repeat(10, 1fr);
    }
}