:root {
    --bg-dark: #121212;
    --surface: #1e1e1e;
    --primary: #81D4E0;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.mobile-app {
    width: 100%;
    max-width: 480px;
    height: 100dvh;
    background-color: var(--bg-dark);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
}

h2 {
    color: var(--text-main);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-transform: uppercase;
}

h2 small {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: normal;
    text-transform: none;
}

button {
    background-color: var(--primary);
    color: #ffffff;
    border: 2px solid #000000;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    cursor: pointer;
    width: 250px;
    align-self: center;
    display: flex;
    justify-content: center;
    align-items: center;
    
    font-weight: bold;
    text-transform: uppercase;
    transition: transform 0.1s, background-color 0.1s;
}

button:active {
    transform: scale(0.97);
    background-color: #6bbfc9;
}

button.btn-back {
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    text-align: left;
    padding: 0.5rem 0;
    margin-bottom: 2rem;
    width: auto;
    align-self: flex-start;
    border: none;
    text-transform: none;
    justify-content: flex-start;
}

.screen.category-view {
    background-image: url('/src/menus-background.png'); 
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    
    padding-top: 220px; 
    padding-bottom: 80px; 
    
    justify-content: flex-start;
    display: flex;
    flex-direction: column;
}

.category-view .btn-back {
    color: #ffffff; 
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5); 
    margin-bottom: 2rem;
}

.category-view h2 {
    color: #000000; 
    font-size: 2rem;
    margin-top: -30px; 
    margin-bottom: 2.5rem; 
}

.screen.home-view {
    background-image: url('/src/home.png'); 
    background-size: contain;
    background-position: top center;
    background-repeat: no-repeat;
    background-color: #0d1e2e;
}

.lang-toggle-container {
    position: absolute;
    bottom: 12%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    width: 160px;
    height: 34px;
    background-color: rgba(129, 212, 224, 0.85);
    border: 1px solid #333333;
    border-radius: 8px;
    overflow: hidden;
}

.lang-divider {
    width: 1px;
    background-color: #333333;
    height: 100%;
}

.lang-toggle-container button.btn-lang {
    background: transparent;
    border: none;
    border-radius: 0;
    margin: 0;
    padding: 0;
    width: 50%;
    height: 100%;
    color: #ffffff;
    font-size: 14px;
    font-weight: normal;
    text-shadow: none;
    box-shadow: none;
}

.lang-toggle-container button.btn-lang:active {
    background-color: rgba(0, 0, 0, 0.1);
    transform: none;
}

.screen.full-bleed-menu {
    padding: 0;
    display: block;
    background-color: #000000;
}

.menu-scroll-container {
    width: 100%;
    height: 100dvh;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.menu-scroll-container::-webkit-scrollbar {
    display: none;
}
.menu-scroll-container {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.menu-page-img {
    width: 100%;
    display: block;
    margin: 0;
}

.floating-back {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.6) !important;
    color: #ffffff !important;
    padding: 0.5rem 1rem !important;
    border-radius: 20px !important;
    border: none !important;
    margin: 0 !important;
    backdrop-filter: blur(4px);
}