footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 900;
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(17, 24, 39, 0.85));
    backdrop-filter: blur(10px);
    padding: 0.5rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-top: 1px solid rgba(45, 212, 191, 0.5);
    box-shadow: 0 -2px 10px rgba(45, 212, 191, 0.3);
}
.footer-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.6rem;
    font-weight: 600;
    color: #d1d5db;
    transition: all 0.3s ease;
    margin: 0 1.75rem;
    background: linear-gradient(45deg, rgba(31, 41, 55, 0.8), rgba(55, 65, 81, 0.8));
    padding: 0.5rem;
    border-radius: 0.5rem;
}
.footer-btn:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}
.jogar-btn {
    font-size: 0.7rem;
    color: #ffffff;
    background: linear-gradient(45deg, #22d3ee, #10b981);
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    transform: translateY(-10px);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
}
.jogar-btn:hover {
    transform: translateY(-12px);
    box-shadow: 0 0 25px rgba(34, 211, 238, 0.8);
}
.footer-btn svg, .jogar-btn svg {
    width: 1.5rem;
    height: 1.5rem;
    margin-bottom: 0.25rem;
    fill: #d1d5db;
    transition: all 0.3s ease;
}
.jogar-btn svg {
    fill: #ffffff;
    animation: coinSpin 2s linear infinite;
}
@keyframes coinSpin {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}
.footer-btn:hover svg, .jogar-btn:hover svg {
    transform: scale(1.1);
}
@media (max-width: 640px) {
    footer {
        padding: 0.5rem 1rem;
    }
    .footer-btn, .jogar-btn {
        font-size: 0.55rem;
        margin: 0 1rem;
    }
    .footer-btn svg, .jogar-btn svg {
        width: 1.2rem;
        height: 1.2rem;
    }
}