body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2 {
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
    vertical-align: top;
    height: 80px;
}

th {
    background-color: #f2f2f2;
}

.current-month {
    background-color: #fff;
}

.other-month {
    background-color: #f9f9f9;
    color: #ccc;
}

.event {
    background-color: #4CAF50;
    color: white;
    padding: 2px 5px;
    margin: 2px 0;
    border-radius: 3px;
    font-size: 12px;
}

input, button {
    padding: 10px;
    margin: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

input[type="number"], input[type="time"], input[type="date"] {
    min-width: 160px;
}

button {
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

#cloudVoiceBtn {
    background-color: #0b79d0;
}

#cloudVoiceBtn:hover {
    background-color: #095a9a;
}

#voiceBtn {
    background-color: #2196F3;
}

#voiceBtn:hover {
    background-color: #0b7dda;
}

#voiceStatus {
    margin-top: 10px;
    font-size: 0.95rem;
    color: #333;
}

/* Mobile responsiveness */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    input, button {
        width: 100%;
        box-sizing: border-box;
        margin: 5px 0;
    }

    input[type="number"], input[type="time"], input[type="date"] {
        min-width: auto;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 5px;
        height: 60px;
    }

    .event {
        font-size: 10px;
        padding: 1px 3px;
    }
}