/* Styles spécifiques au plugin */
#coherence-cardiaque {
    text-align: center;
    font-family: Arial, sans-serif;
}

#coherence-cardiaque .container {
    max-width: 400px;
    margin: auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

#coherence-cardiaque .circle-container {
    width: 150px;
    height: 150px;
    margin: 20px auto;
}

#coherence-cardiaque .circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #4facfe;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: bold;
    transition: transform 5s ease-in-out;
}

#coherence-cardiaque .btn {
    padding: 10px;
    font-size: 16px;
    background: #ff9a9e;
    color: #000;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#coherence-cardiaque .countdown {
    font-size: 22px;
    font-weight: bold;
    margin-top: 10px;
    color: yellow;
}