.telecommande-block {
    background: rgba(146, 145, 145, 0.8);
    border-radius: 5px;
    box-shadow: 0 8px 18px rgba(0,0,0,0.25);
    width: 90px;
    height: 270px;
    padding: 30px 25px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    position: relative;
}

.container-telecommande {
    display: flex;
    flex-direction: row;
    gap: 5px;
}

.btn {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: none;
    background: #dfdada;
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.8),
                    0 4px 8px rgba(0,0,0,0.25);
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 24px;
    color: #333;
}

.btn:hover {
    background: #ececec;
    transform: scale(1.05);
}

.btn:active {
    box-shadow: inset 0 4px 6px rgba(0,0,0,0.4);
    background: #ddd;
    transform: scale(0.95);
}

.btn.up::before { content: "▲"; }
.btn.stop::before { content: "■"; font-size: 18px; }
.btn.down::before { content: "▼"; }