:root {
    --matte-bg-base: #050505;
    --matte-bg-elevated: #0a0a0a;
    --matte-bg-card: #0f0f0f;
    --matte-bg-hover: #141414;
    --matte-border-subtle: rgba(255, 255, 255, 0.04);
    --matte-border-default: rgba(255, 255, 255, 0.06);
    --matte-border-hover: rgba(255, 255, 255, 0.1);
    --matte-text-primary: #f0f0f0;
    --matte-text-secondary: rgba(255, 255, 255, 0.6);
    --matte-text-muted: rgba(255, 255, 255, 0.35);
    --matte-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --matte-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --matte-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --matte-radius-sm: 10px;
    --matte-radius-md: 14px;
    --matte-radius-lg: 18px;
    --matte-radius-xl: 22px;
    
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

body {
    background: var(--matte-bg-base) !important;
    color: var(--matte-text-primary) !important;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    min-height: 100dvh;
    overscroll-behavior: none;
    -webkit-overscroll-behavior: none;
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
}

body::before {
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 255, 255, 0.015) 0%, transparent 100%) !important;
}

.page-title,
.title,
.holographic-title,
.welcome-title,
h1.page-title {
    background: linear-gradient(180deg, #ffffff 0%, #a0a0a0 100%) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    text-shadow: none !important;
    letter-spacing: -0.02em !important;
}

.section-title {
    color: var(--matte-text-primary) !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em !important;
    border-bottom-color: var(--matte-border-subtle) !important;
}

.search-bar,
input[type="text"],
input[type="search"],
textarea,
select {
    background: var(--matte-bg-card) !important;
    border: 1px solid var(--matte-border-default) !important;
    border-radius: var(--matte-radius-lg) !important;
    color: var(--matte-text-primary) !important;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2) !important;
    font-size: 16px !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.search-bar:focus,
input[type="text"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    border-color: var(--matte-border-hover) !important;
    background: var(--matte-bg-hover) !important;
    outline: none !important;
}

.search-bar::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--matte-text-muted) !important;
}

.game-card,
.app-card {
    background: var(--matte-bg-card) !important;
    border: 1px solid var(--matte-border-subtle) !important;
    border-radius: var(--matte-radius-lg) !important;
    box-shadow: var(--matte-shadow-sm) !important;
    overflow: hidden !important;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.game-card:hover,
.app-card:hover,
.game-card:active,
.app-card:active {
    border-color: var(--matte-border-hover) !important;
    box-shadow: var(--matte-shadow-lg) !important;
    background: var(--matte-bg-hover) !important;
}

.game-card::before,
.app-card::before {
    display: none !important;
}

.game-image {
    border-radius: var(--matte-radius-lg) !important;
}

.game-info {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%) !important;
    padding: 1.25rem !important;
}

.game-title {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8) !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em !important;
}

.setting-item,
.contact-container {
    background: var(--matte-bg-card) !important;
    border: 1px solid var(--matte-border-subtle) !important;
    border-radius: var(--matte-radius-lg) !important;
    box-shadow: var(--matte-shadow-sm) !important;
}

.setting-item:hover,
.setting-item:active {
    border-color: var(--matte-border-default) !important;
    background: var(--matte-bg-hover) !important;
}

.toggle-switch {
    background: rgba(255, 255, 255, 0.06) !important;
    border: 1px solid var(--matte-border-subtle) !important;
}

.toggle-switch.active {
    background: rgba(34, 197, 94, 0.2) !important;
    border-color: rgba(34, 197, 94, 0.3) !important;
}

.toggle-slider {
    background: linear-gradient(180deg, #ffffff 0%, #e0e0e0 100%) !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25) !important;
}

.browser-header,
.nav-bar,
header:not(.void-dynamic-island):not([data-dynamic-island]) {
    background: rgba(8, 8, 8, 0.95) !important;
    border-bottom: 1px solid var(--matte-border-subtle) !important;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5) !important;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.browser-header::before,
.welcome-screen::before {
    display: none !important;
}

.welcome-screen,
.popup,
.modal,
#voidWarningPopup,
#performancePopupOverlay > div,
#welcomePopupOverlay > div {
    background: var(--matte-bg-elevated) !important;
    border: 1px solid var(--matte-border-default) !important;
    border-radius: var(--matte-radius-xl) !important;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.03) !important;
}

.browser-iframe {
    border-radius: var(--matte-radius-md) !important;
    box-shadow: var(--matte-shadow-lg) !important;
}

.url-bar,
.url-input {
    background: rgba(0, 0, 0, 0.4) !important;
    border: 1px solid var(--matte-border-subtle) !important;
    border-radius: var(--matte-radius-lg) !important;
    color: var(--matte-text-primary) !important;
}

.search-icon,
.icon {
    color: var(--matte-text-muted) !important;
}

.loading,
.no-results {
    color: var(--matte-text-secondary) !important;
}

.no-results h2 {
    color: var(--matte-text-primary) !important;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--matte-bg-base);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    border: 2px solid var(--matte-bg-base);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.18);
}

::selection {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.quality-slider {
    background: rgba(255, 255, 255, 0.08) !important;
}

.quality-slider::-webkit-slider-thumb {
    background: linear-gradient(180deg, #ffffff 0%, #d0d0d0 100%) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4) !important;
    -webkit-appearance: none;
}

.quality-description {
    background: rgba(255, 255, 255, 0.03) !important;
    border-radius: var(--matte-radius-sm) !important;
}

#void-announcement-banner {
    background: var(--matte-bg-elevated) !important;
    border: 1px solid var(--matte-border-default) !important;
    border-radius: var(--matte-radius-xl) !important;
    box-shadow: var(--matte-shadow-lg) !important;
}

.iframe-loading-overlay {
    background: var(--matte-bg-base) !important;
}

.iframe-loading-spinner {
    border-color: var(--matte-border-default) !important;
    border-top-color: var(--matte-text-secondary) !important;
}

.games-grid {
    gap: 1.5rem !important;
}

.user-id-display {
    background: rgba(0, 0, 0, 0.3) !important;
    border: 1px solid var(--matte-border-subtle) !important;
    border-radius: var(--matte-radius-md) !important;
}

.user-id-text {
    color: rgba(100, 220, 100, 0.8) !important;
}

#debugInfo {
    color: var(--matte-text-muted) !important;
}

@supports (-webkit-touch-callout: none) {
    body {
        min-height: -webkit-fill-available;
    }
    
    .container {
        min-height: -webkit-fill-available;
    }
    
    .game-container,
    .iframe-wrapper,
    .browser-iframe,
    iframe {
        height: calc(100vh - env(safe-area-inset-top) - env(safe-area-inset-bottom));
        height: -webkit-fill-available;
    }
    
    .fullscreen-footer {
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
    }
    
    .void-dynamic-island,
    nav.void-dynamic-island {
        bottom: calc(20px + env(safe-area-inset-bottom)) !important;
    }
    
    .header {
        padding-top: calc(1rem + env(safe-area-inset-top));
    }
    
    .back-button,
    .back-btn {
        top: calc(16px + env(safe-area-inset-top));
    }
    
    .loading-screen,
    .error-screen {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .game-card,
    .app-card {
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }
    
    .browser-header,
    .nav-bar {
        -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
        backdrop-filter: blur(20px) saturate(180%) !important;
    }
}

@media screen and (max-width: 1024px) {
    :root {
        --matte-radius-sm: 8px;
        --matte-radius-md: 12px;
        --matte-radius-lg: 16px;
        --matte-radius-xl: 20px;
    }
    
    .container {
        padding: 1rem !important;
        padding-left: calc(1rem + var(--safe-area-left)) !important;
        padding-right: calc(1rem + var(--safe-area-right)) !important;
    }
    
    .games-grid,
    .apps-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
        gap: 1.25rem !important;
    }
    
    .page-title,
    .title,
    .holographic-title {
        font-size: 2.5rem !important;
    }
    
    .side-ad {
        display: none !important;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --matte-radius-sm: 8px;
        --matte-radius-md: 10px;
        --matte-radius-lg: 14px;
        --matte-radius-xl: 18px;
    }
    
    body {
        padding-bottom: calc(70px + var(--safe-area-bottom)) !important;
    }
    
    .container {
        padding: 0.75rem !important;
        padding-left: calc(0.75rem + var(--safe-area-left)) !important;
        padding-right: calc(0.75rem + var(--safe-area-right)) !important;
        margin-bottom: 70px !important;
    }
    
    .header {
        flex-direction: column !important;
        gap: 1rem !important;
        align-items: flex-start !important;
        padding: 1rem 0 !important;
    }
    
    .page-title,
    .title,
    .holographic-title {
        font-size: 2rem !important;
        letter-spacing: -0.01em !important;
    }
    
    .games-grid,
    .apps-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)) !important;
        gap: 1rem !important;
    }
    
    .game-card,
    .app-card {
        border-radius: var(--matte-radius-md) !important;
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }
    
    .game-image {
        height: 160px !important;
        border-radius: var(--matte-radius-md) var(--matte-radius-md) 0 0 !important;
    }
    
    .game-info {
        padding: 1rem !important;
    }
    
    .game-title {
        font-size: 1.1rem !important;
    }
    
    .search-bar,
    input[type="text"],
    input[type="search"] {
        font-size: 16px !important;
        padding: 0.9rem 1.2rem !important;
        border-radius: 25px !important;
    }
    
    .search-container {
        margin-bottom: 1.5rem !important;
    }
    
    .setting-item {
        padding: 1rem !important;
    }
    
    .ads-container {
        display: none !important;
    }
    
    .browser-header {
        padding: 0.5rem !important;
        padding-top: calc(0.5rem + var(--safe-area-top)) !important;
    }
    
    .url-bar,
    .url-input {
        font-size: 14px !important;
    }
    
    .game-container {
        height: calc(100vh - 200px) !important;
        height: calc(100dvh - 200px) !important;
        border-radius: var(--matte-radius-md) !important;
    }
    
    .game-iframe {
        border-radius: var(--matte-radius-md) !important;
    }
    
    .fullscreen-footer {
        height: 45px !important;
        border-radius: 0 0 var(--matte-radius-md) var(--matte-radius-md) !important;
    }
    
    .fullscreen-footer span {
        font-size: 0.85rem !important;
    }
    
    .back-button {
        padding: 0.6rem 1rem !important;
        font-size: 0.85rem !important;
    }
    
    .control-button {
        padding: 0.5rem !important;
    }
    
    .control-button svg {
        width: 18px !important;
        height: 18px !important;
    }
    
    .popup,
    .modal,
    .welcome-screen {
        width: 95vw !important;
        max-width: none !important;
        margin: 0 auto !important;
        border-radius: var(--matte-radius-lg) !important;
    }
    
    .void-dynamic-island,
    nav.void-dynamic-island {
        width: calc(100% - 2rem) !important;
        max-width: none !important;
        left: 1rem !important;
        right: 1rem !important;
        transform: none !important;
        border-radius: 20px !important;
    }
    
    .loading-screen .spinner,
    .loading-spinner {
        width: 40px !important;
        height: 40px !important;
    }
    
    .loading-text {
        font-size: 1rem !important;
    }
    
    .show-game-btn {
        padding: 0.7rem 1.5rem !important;
        font-size: 0.9rem !important;
    }
}

@media screen and (max-width: 480px) {
    :root {
        --matte-radius-sm: 6px;
        --matte-radius-md: 8px;
        --matte-radius-lg: 12px;
        --matte-radius-xl: 16px;
    }
    
    body {
        padding-bottom: calc(65px + var(--safe-area-bottom)) !important;
    }
    
    .container {
        padding: 0.5rem !important;
        padding-left: calc(0.5rem + var(--safe-area-left)) !important;
        padding-right: calc(0.5rem + var(--safe-area-right)) !important;
        margin-bottom: 65px !important;
    }
    
    .page-title,
    .title,
    .holographic-title {
        font-size: 1.75rem !important;
    }
    
    .games-grid,
    .apps-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)) !important;
        gap: 0.75rem !important;
    }
    
    .game-card,
    .app-card {
        border-radius: var(--matte-radius-sm) !important;
    }
    
    .game-image {
        height: 140px !important;
        border-radius: var(--matte-radius-sm) var(--matte-radius-sm) 0 0 !important;
    }
    
    .game-info {
        padding: 0.75rem !important;
    }
    
    .game-title {
        font-size: 1rem !important;
    }
    
    .search-bar,
    input[type="text"],
    input[type="search"] {
        padding: 0.8rem 1rem !important;
        border-radius: 20px !important;
    }
    
    .header {
        padding: 0.75rem 0 !important;
    }
    
    .back-button {
        padding: 0.5rem 0.8rem !important;
        font-size: 0.8rem !important;
        gap: 0.4rem !important;
    }
    
    .back-button svg {
        width: 14px !important;
        height: 14px !important;
    }
    
    .game-container {
        height: calc(100vh - 180px) !important;
        height: calc(100dvh - 180px) !important;
    }
    
    .fullscreen-footer {
        height: 40px !important;
    }
    
    .fullscreen-footer span {
        font-size: 0.8rem !important;
    }
    
    .fullscreen-footer svg {
        width: 14px !important;
        height: 14px !important;
    }
    
    .void-dynamic-island,
    nav.void-dynamic-island {
        padding: 0.5rem 0.75rem !important;
        border-radius: 16px !important;
    }
    
    .void-dynamic-island a,
    nav.void-dynamic-island a {
        padding: 0.4rem !important;
    }
    
    .void-dynamic-island svg,
    nav.void-dynamic-island svg {
        width: 18px !important;
        height: 18px !important;
    }
    
    .setting-item {
        padding: 0.75rem !important;
        border-radius: var(--matte-radius-sm) !important;
    }
    
    .section-title {
        font-size: 1rem !important;
        margin: 1.5rem 0 0.75rem !important;
    }
    
    .popup,
    .modal,
    .welcome-screen {
        padding: 1.25rem !important;
    }
}

@media screen and (max-width: 360px) {
    .page-title,
    .title,
    .holographic-title {
        font-size: 1.5rem !important;
    }
    
    .games-grid,
    .apps-grid {
        grid-template-columns: 1fr !important;
    }
    
    .game-image {
        height: 180px !important;
    }
    
    .search-bar,
    input[type="text"],
    input[type="search"] {
        font-size: 14px !important;
        padding: 0.7rem 0.9rem !important;
    }
}

@media screen and (orientation: landscape) and (max-height: 500px) {
    body {
        padding-bottom: calc(50px + var(--safe-area-bottom)) !important;
    }
    
    .container {
        margin-bottom: 50px !important;
    }
    
    .header {
        padding: 0.5rem 0 !important;
        flex-direction: row !important;
        align-items: center !important;
    }
    
    .page-title,
    .title {
        font-size: 1.5rem !important;
    }
    
    .games-grid,
    .apps-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)) !important;
    }
    
    .game-image {
        height: 100px !important;
    }
    
    .game-container {
        height: calc(100vh - 100px) !important;
        height: calc(100dvh - 100px) !important;
    }
    
    .void-dynamic-island,
    nav.void-dynamic-island {
        bottom: calc(10px + var(--safe-area-bottom)) !important;
        padding: 0.4rem 0.6rem !important;
    }
}

@media (hover: none) and (pointer: coarse) {
    .game-card:hover,
    .app-card:hover {
        transform: none !important;
        border-color: var(--matte-border-subtle) !important;
        box-shadow: var(--matte-shadow-sm) !important;
        background: var(--matte-bg-card) !important;
    }
    
    .game-card:active,
    .app-card:active {
        transform: scale(0.98) !important;
        border-color: var(--matte-border-hover) !important;
        box-shadow: var(--matte-shadow-md) !important;
        background: var(--matte-bg-hover) !important;
    }
    
    .setting-item:hover {
        background: var(--matte-bg-card) !important;
        border-color: var(--matte-border-subtle) !important;
    }
    
    .setting-item:active {
        background: var(--matte-bg-hover) !important;
    }
    
    .back-button:hover,
    .control-button:hover {
        transform: none !important;
    }
    
    .back-button:active,
    .control-button:active {
        transform: scale(0.95) !important;
        opacity: 0.8 !important;
    }
    
    a:hover,
    button:hover {
        opacity: 1 !important;
    }
    
    a:active,
    button:active {
        opacity: 0.7 !important;
    }
    
    input[type="range"] {
        height: 44px !important;
    }
    
    input[type="range"]::-webkit-slider-thumb {
        width: 28px !important;
        height: 28px !important;
    }
    
    .toggle-switch {
        min-width: 56px !important;
        min-height: 32px !important;
    }
    
    .toggle-slider {
        width: 26px !important;
        height: 26px !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .game-card,
    .app-card,
    .setting-item,
    .back-button,
    .control-button {
        transition: none !important;
    }
}

@media (display-mode: standalone) {
    body {
        padding-top: var(--safe-area-top);
    }
    
    .header {
        padding-top: calc(1rem + var(--safe-area-top));
    }
    
    .browser-header {
        padding-top: calc(0.5rem + var(--safe-area-top));
    }
}

@media (display-mode: fullscreen) {
    body {
        padding: 0 !important;
    }
    
    .game-container {
        height: 100vh !important;
        height: 100dvh !important;
        border-radius: 0 !important;
    }
    
    .fullscreen-footer {
        display: none !important;
    }
}

.fullscreen-bubble-container {
    display: none !important;
}

@media screen and (max-width: 768px) {
    .fullscreen-bubble-container {
        display: none !important;
    }
    
    .overlay-logo {
        width: 80px !important;
        bottom: 5px !important;
        right: 5px !important;
    }
}

.input-overlay {
    display: none !important;
}

@media screen and (max-width: 768px) {
    .input-overlay {
        display: none !important;
    }
}

.btn,
button:not(.toggle-switch):not([class*="close"]) {
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}

.btn:active,
button:active {
    transform: scale(0.97);
}

input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    -webkit-appearance: none;
    appearance: none;
}

select {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px !important;
}

@media screen and (max-width: 768px) {
    iframe {
        -webkit-overflow-scrolling: touch !important;
        overflow: auto !important;
    }
    
    .game-iframe,
    .browser-iframe,
    #gameFrame,
    #chatFrame,
    #mainFrame {
        width: 100% !important;
        height: 100% !important;
        border: none !important;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

.loading-screen,
.error-screen {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: rgba(0, 0, 0, 0.95) !important;
}

@media screen and (max-width: 768px) {
    .loading-screen,
    .error-screen {
        border-radius: 0 !important;
    }
    
    .spinner,
    .loading-spinner {
        -webkit-animation: spin 1s linear infinite;
        animation: spin 1s linear infinite;
    }
}

@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

@keyframes spin {
    0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

@media screen and (max-width: 768px) {
    *:not(input):not(textarea):not(select) {
        -webkit-user-select: none;
        user-select: none;
    }
    
    input,
    textarea,
    select,
    .search-bar {
        -webkit-user-select: text;
        user-select: text;
    }
}

img {
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
}

a {
    -webkit-touch-callout: none;
}

.privacy-link,
.footer-text,
.footer-credits {
    -webkit-user-select: text;
    user-select: text;
}