/* Grunddesign */
body { 
    background: #f4f1de; 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    margin: 0;
}

.navbar { 
    background-color: #3d405b !important; 
}

/* Landing Page */
.hero-section { 
    background: #81b29a; 
    color: white; 
    padding: 80px 0; 
    border-radius: 0 0 50% 50% / 30px; 
    box-shadow: inset 0 -5px 15px rgba(0,0,0,0.1);
}

.auth-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Der Spiel-Container (Groß & Mittig) */
#game-container { 
    width: 95%; 
    max-width: 1200px; 
    height: 75vh; /* 75% der Viewport-Höhe */
    margin: 30px auto; 
    border: 10px solid #5d4037; 
    border-radius: 20px; 
    overflow: hidden;
    background: #7cfc00;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

canvas { 
    display: block;
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
    #game-container {
        height: 50vh;
        border-width: 5px;
    }
    .hero-section {
        padding: 40px 0;
    }
}