body { 
    font-family: 'Inter', sans-serif; 
    background-color: #000; 
}
.logo-glow { 
    color: #4ade80; 
    font-weight: 800; 
    letter-spacing: 0.05em; 
    text-shadow: 0 0 3px rgba(74, 222, 128, 0.7), 0 0 8px rgba(74, 222, 128, 0.5), 0 0 15px rgba(21, 128, 61, 0.4); 
}
.hidden { 
    display: none; 
}
.custom-checkbox:checked { 
    background-color: #4ade80; 
    border-color: #4ade80; 
}
.tab-btn.active { 
    background-color: #4ade80; 
    color: #000; 
}