/* 13WIM Universal Styles - Mobile First Design */
/* Base configuration */
:root {
    --primary-dark: #262626;
    --secondary-dark: #2C3E50;
    --primary-light: #DCDCDC;
    --accent-color: #00CED1;
    --neutral-gray: #BDC3C7;
    --text-primary: #DCDCDC;
    --text-secondary: #BDC3C7;
    --font-size-base: 62.5%;
    --line-height-base: 1.5;
    --border-radius: 0.8rem;
    --transition: all 0.3s ease;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: var(--text-primary);
    line-height: var(--line-height-base);
    font-size: 1.4rem;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Mobile-first container */
.container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* Header styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(38, 38, 38, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--accent-color);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-width: 430px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
}

.site-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-buttons {
    display: flex;
    gap: 0.8rem;
}

.btn-register, .btn-login {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-register {
    background: var(--accent-color);
    color: var(--primary-dark);
}

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

.btn-register:hover, .btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 206, 209, 0.3);
}

.mobile-menu-button {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2.4rem;
    cursor: pointer;
    padding: 0.4rem;
}

/* Mobile navigation menu */
.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(38, 38, 38, 0.98);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--accent-color);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu:not(.hidden) {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-list {
    list-style: none;
    padding: 1rem 0;
}

.mobile-menu-item {
    border-bottom: 1px solid rgba(220, 220, 220, 0.1);
}

.mobile-menu-link {
    display: block;
    padding: 1.2rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.4rem;
    transition: var(--transition);
}

.mobile-menu-link:hover {
    background: rgba(0, 206, 209, 0.1);
    color: var(--accent-color);
}

/* Main content */
.main-content {
    padding-top: 8rem;
    padding-bottom: 8rem;
    min-height: 100vh;
}

/* Carousel styles */
.carousel-container {
    position: relative;
    width: 100%;
    height: 20rem;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

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

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

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

.carousel-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.8rem;
}

.carousel-indicator {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-indicator.active {
    background: var(--accent-color);
}

/* Section styles */
.section {
    margin: 3rem 0;
    padding: 2rem 0;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* Game grid styles */
.games-section {
    margin: 2rem 0;
}

.games-category {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.game-item {
    background: rgba(44, 62, 80, 0.8);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(0, 206, 209, 0.2);
}

.game-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 206, 209, 0.3);
    border-color: var(--accent-color);
}

.game-icon {
    width: 100%;
    height: 6rem;
    object-fit: cover;
    border-radius: 0.4rem;
    margin-bottom: 0.8rem;
}

.game-name {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Content modules */
.content-module {
    background: rgba(44, 62, 80, 0.6);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid rgba(0, 206, 209, 0.2);
}

.module-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.module-content {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Promotional buttons and links */
.promo-btn, .promo-link {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-color), #00B8D4);
    color: var(--primary-dark);
    padding: 1.2rem 2.4rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.4rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    margin: 0.5rem 0.5rem 0.5rem 0;
}

.promo-btn:hover, .promo-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 206, 209, 0.4);
    background: linear-gradient(135deg, #00B8D4, var(--accent-color));
}

.promo-text-link {
    color: var(--accent-color);
    text-decoration: underline;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.promo-text-link:hover {
    color: #00B8D4;
    text-decoration: none;
}

/* Footer styles */
.footer {
    background: var(--primary-dark);
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--accent-color);
}

.footer-content {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-section {
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

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

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.3rem;
    transition: var(--transition);
}

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

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.partner-logo {
    width: 100%;
    height: 4rem;
    object-fit: contain;
    opacity: 0.7;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(220, 220, 220, 0.1);
}

/* Bottom navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(38, 38, 38, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--accent-color);
    z-index: 1000;
}

.bottom-nav-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 1rem 0;
    max-width: 430px;
    margin: 0 auto;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
}

.bottom-nav-item:hover {
    color: var(--accent-color);
}

.bottom-nav-icon {
    font-size: 2rem;
    margin-bottom: 0.2rem;
}

.bottom-nav-label {
    font-size: 1rem;
    font-weight: 500;
}

/* Utility classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-accent {
    color: var(--accent-color);
}

.font-bold {
    font-weight: 700;
}

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* Responsive design for larger screens */
@media (min-width: 431px) {
    .container {
        max-width: 430px;
    }
}

@media (min-width: 768px) {
    .games-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(10, 1fr);
    }
}

/* Loading and animation classes */
.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

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

/* Focus styles for keyboard navigation */
button:focus, a:focus, .game-item:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}