/* Advanced Mobile-First CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Mobile-Optimized Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    font-size: 16px;
    width: 100%;
    min-height: 100vh;
}

/* Mobile Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a1a1a 100%);
    overflow: hidden;
}

.cityscape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, 
        rgba(227, 66, 52, 0.08) 0%, 
        rgba(227, 66, 52, 0.03) 50%, 
        transparent 100%);
    background-image: 
        linear-gradient(90deg, transparent 24%, rgba(227, 66, 52, 0.08) 25%, rgba(227, 66, 52, 0.08) 26%, transparent 27%);
    background-size: 150px 100%;
    opacity: 0.4;
}

.fog {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(227, 66, 52, 0.03) 70%, rgba(0, 0, 0, 0.2) 100%);
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 1px;
    height: 1px;
    background: rgba(227, 66, 52, 0.4);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-50px) translateX(50px);
        opacity: 0;
    }
}

/* Mobile Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(227, 66, 52, 0.2);
    transition: all 0.3s ease;
    height: 60px;
    width: 100%;
}

.main-nav.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.nav-logo-img {
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 0 8px rgba(227, 66, 52, 0.5));
    flex-shrink: 0;
}

.nav-brand {
    background: linear-gradient(135deg, #E34234 0%, #ff6b6b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.6rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.8rem;
    white-space: nowrap;
    touch-action: manipulation;
    min-height: 40px;
}

.nav-link span {
    display: none;
}

.nav-link i {
    font-size: 1rem;
}

.nav-link:hover, .nav-link:active {
    color: #E34234;
    background: rgba(227, 66, 52, 0.1);
    transform: translateY(-1px);
}

.nav-cta {
    background: linear-gradient(135deg, #E34234 0%, #ff6b6b 100%);
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(227, 66, 52, 0.3);
}

.nav-cta:hover, .nav-cta:active {
    background: linear-gradient(135deg, #ff6b6b 0%, #E34234 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(227, 66, 52, 0.4);
}

.nav-logout {
    color: rgba(255, 107, 107, 0.8) !important;
}

/* Mobile Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 0.5rem 2rem;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.hero-content {
    max-width: 100%;
    margin: 0 auto;
    width: 100%;
    padding: 0 0.5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: linear-gradient(135deg, #E34234 0%, #ff6b6b 100%);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    box-shadow: 0 3px 12px rgba(227, 66, 52, 0.3);
}

.hero h1 {
    font-size: clamp(2rem, 8vw, 3.5rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.8rem;
    letter-spacing: -1px;
    line-height: 0.9;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
    word-break: break-word;
}

.subtitle {
    font-size: clamp(0.9rem, 3vw, 1.2rem);
    color: #E34234;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.lead {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 0.5rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    justify-content: center;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 2rem auto;
    padding: 0 0.5rem;
}

/* Mobile-Optimized Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.5rem;
    border: none;
    border-radius: 30px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    touch-action: manipulation;
    width: 100%;
    max-width: 280px;
    min-height: 44px;
    margin: 0 auto;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s;
}

.btn:hover::before, .btn:active::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #E34234 0%, #ff6b6b 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(227, 66, 52, 0.3);
}

.btn-primary:hover, .btn-primary:active {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(227, 66, 52, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(227, 66, 52, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover, .btn-secondary:active {
    background: rgba(227, 66, 52, 0.1);
    border-color: #E34234;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(227, 66, 52, 0.2);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 0.9rem;
}

/* Mobile Live Stats */
.live-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 0.5rem;
    width: 100%;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(227, 66, 52, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    touch-action: manipulation;
    min-width: 0;
    width: 100%;
}

.stat-item:active {
    transform: translateY(-2px);
    border-color: #E34234;
    box-shadow: 0 4px 12px rgba(227, 66, 52, 0.2);
}

.stat-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #E34234 0%, #ff6b6b 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.stat-icon.online {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.stat-content {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.stat-value {
    font-size: 0.9rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-label {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Mobile Activity Section */
.activity-section {
    padding: 2.5rem 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    width: 100%;
}

.activity-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 0.5rem;
    width: 100%;
}

.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    word-break: break-word;
}

.section-title span {
    font-size: 1.4rem;
}

.activity-feed {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(227, 66, 52, 0.2);
    padding: 1rem;
    backdrop-filter: blur(10px);
    max-height: 300px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #E34234 0%, #ff6b6b 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.8rem;
}

.activity-content {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    flex: 1;
    min-width: 0;
}

.activity-user {
    font-weight: 600;
    color: #E34234;
    font-size: 0.8rem;
    word-break: break-word;
}

.activity-action {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.75rem;
    line-height: 1.3;
    word-break: break-word;
}

.activity-time {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    margin-top: 0.1rem;
}

/* Mobile Leaderboard Section */
.leaderboard-section {
    padding: 2.5rem 0.5rem;
    width: 100%;
}

.leaderboard-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 0.5rem;
    width: 100%;
}

.leaderboard {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(227, 66, 52, 0.2);
    padding: 1rem;
    backdrop-filter: blur(10px);
    width: 100%;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    touch-action: manipulation;
}

.leaderboard-item:last-child {
    border-bottom: none;
}

.leaderboard-item:active {
    transform: translateX(5px);
    background: rgba(227, 66, 52, 0.05);
    border-radius: 6px;
    margin: 0 -0.3rem;
    padding-left: 0.3rem;
    padding-right: 0.3rem;
}

.rank-badge {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    width: 40px;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.rank-1 .rank-badge {
    color: #ffd700;
}

.rank-2 .rank-badge {
    color: #c0c0c0;
}

.rank-3 .rank-badge {
    color: #cd7f32;
}

.player-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.player-name {
    font-weight: 600;
    color: #ffffff;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-wealth {
    color: #E34234;
    font-weight: 700;
    font-size: 0.8rem;
}

/* Mobile Features Section */
.features-section {
    padding: 2.5rem 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    width: 100%;
}

.features-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 0.5rem;
    width: 100%;
}

.section-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    line-height: 1.5;
    padding: 0 0.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(227, 66, 52, 0.2);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    touch-action: manipulation;
    width: 100%;
}

.feature-card:active {
    transform: translateY(-3px);
    border-color: #E34234;
    box-shadow: 0 10px 25px rgba(227, 66, 52, 0.2);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #E34234 0%, #ff6b6b 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: #ffffff;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    font-size: 0.85rem;
}

/* Mobile CTA Section */
.cta-section {
    padding: 3rem 0.5rem;
    text-align: center;
    background: linear-gradient(135deg, 
        rgba(227, 66, 52, 0.1) 0%, 
        rgba(227, 66, 52, 0.05) 50%, 
        transparent 100%);
    width: 100%;
}

.cta-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 0.5rem;
    width: 100%;
}

.cta-container h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
    line-height: 1.2;
    word-break: break-word;
}

.cta-container p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* Mobile Footer */
.footer {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(227, 66, 52, 0.2);
    padding: 2.5rem 0.5rem 1.5rem;
    width: 100%;
}

.footer-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 0.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    width: 100%;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    justify-content: center;
}

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

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

.footer-section h4 {
    color: #E34234;
    font-weight: 600;
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.8rem;
    touch-action: manipulation;
}

.footer-section ul li a:hover, .footer-section ul li a:active {
    color: #E34234;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    font-size: 0.8rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 1.5rem;
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
    font-size: 0.75rem;
    margin-bottom: 0.3rem;
}

/* Tablet Styles (768px and up) */
@media (min-width: 768px) {
    .nav-container {
        padding: 0 1.5rem;
        height: 70px;
    }

    .nav-logo {
        font-size: 1.1rem;
    }

    .nav-logo-img {
        width: 32px;
        height: 32px;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-link {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }

    .nav-link span {
        display: inline;
    }

    .hero {
        padding: 100px 1rem 2rem;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .hero-buttons {
        flex-direction: row;
        gap: 1rem;
        max-width: 500px;
    }

    .btn {
        width: auto;
        max-width: none;
    }

    .live-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
        padding: 0 1rem;
        max-width: 800px;
    }

    .stat-icon {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .stat-value {
        font-size: 1rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .activity-section, .leaderboard-section, .features-section {
        padding: 3rem 1rem;
    }

    .activity-container, .leaderboard-container, .features-container {
        padding: 0 1rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .footer {
        padding: 3rem 1rem 2rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        padding: 0 1rem;
    }

    .cta-container {
        padding: 0 1rem;
    }

    .section-title {
        font-size: 2rem;
        flex-direction: row;
    }
}

/* Desktop Styles (1024px and up) */
@media (min-width: 1024px) {
    .nav-container {
        padding: 0 2rem;
        max-width: 1200px;
    }

    .hero-content {
        padding: 0 2rem;
        max-width: 1200px;
    }

    .live-stats {
        padding: 0 2rem;
        max-width: 1000px;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
        padding: 0 2rem;
    }

    .footer-section {
        text-align: left;
    }

    .footer-logo {
        justify-content: flex-start;
    }

    .activity-container, .leaderboard-container, .features-container, .cta-container {
        padding: 0 2rem;
        max-width: 1200px;
    }
}

/* Large Desktop Styles (1200px and up) */
@media (min-width: 1200px) {
    .nav-container, .hero-content, .activity-container, .leaderboard-container, .features-container, .cta-container, .footer-content {
        max-width: 1400px;
        padding-left: 3rem;
        padding-right: 3rem;
    }

    .hero h1 {
        font-size: clamp(3.5rem, 5vw, 5rem);
    }

    .section-title {
        font-size: 2.5rem;
    }
}

/* Extra Large Desktop Styles (1400px and up) */
@media (min-width: 1400px) {
    .nav-container, .hero-content, .activity-container, .leaderboard-container, .features-container, .cta-container, .footer-content {
        max-width: 1600px;
        padding-left: 4rem;
        padding-right: 4rem;
    }
}

/* Landscape Mobile Optimization */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 70px 0.5rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    .subtitle {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .lead {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .hero-buttons {
        margin-bottom: 1.5rem;
        flex-direction: row;
        gap: 0.5rem;
    }

    .live-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
    }

    .stat-item {
        padding: 0.6rem;
    }
}

/* Very Small Mobile Screens */
@media (max-width: 375px) {
    .nav-container {
        padding: 0 0.5rem;
    }

    .nav-brand {
        font-size: 0.9rem;
    }

    .nav-logo-img {
        width: 24px;
        height: 24px;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .hero-content, .activity-container, .leaderboard-container, .features-container, .cta-container, .footer-content {
        padding-left: 0.3rem;
        padding-right: 0.3rem;
    }

    .live-stats {
        padding: 0 0.3rem;
        gap: 0.4rem;
    }

    .stat-item {
        padding: 0.6rem;
        gap: 0.4rem;
    }

    .stat-icon {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }

    .stat-value {
        font-size: 0.8rem;
    }

    .stat-label {
        font-size: 0.6rem;
    }
}

/* Dark mode optimization */
@media (prefers-color-scheme: dark) {
    body {
        background: #000000;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .nav-link, .btn, .stat-item, .activity-item, .leaderboard-item, .feature-card {
        border-width: 2px;
    }
}

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

/* Print styles */
@media print {
    .background-animation, .particles, .nav-link, .btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* Focus styles for accessibility */
.nav-link:focus,
.btn:focus,
.stat-item:focus,
.leaderboard-item:focus,
.feature-card:focus {
    outline: 2px solid #E34234;
    outline-offset: 2px;
}

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

/* Error states */
.error {
    border-color: #ff4444 !important;
    background: rgba(255, 68, 68, 0.1) !important;
}

/* Success states */
.success {
    border-color: #22c55e !important;
    background: rgba(34, 197, 94, 0.1) !important;
}