/* ✅ General Styling */
container {
    font-family: Arial, sans-serif;
    background: #F4F4F4;
    text-align: center;
    padding: 20px;
}

.sleep-tool {
    background: white;
    max-width: 400px;
    margin: auto;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

/* ✅ Headings */
h1 {
    color: #4CAF50;
}

h3 {
    color: #333;
}

/* ✅ Input Groups */
.input-group {
    margin: 15px 0;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

select {
    width: 100%;
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

/* ✅ Button */
button {
    background: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background: #45A049;
}

/* ✅ Results Styling */
.hidden {
    display: none;
}

#resultContainer {
    margin-top: 20px;
    background: #e8f5e9;
    padding: 15px;
    border-radius: 10px;
    color: black; /* Text color changed to black */
}