/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body Styling */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #e9ecef;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #343a40;
    font-size: 2rem;
    font-weight: 600;
}

/* Appointment Form Container */
#appointment {
    background-color: #ffffff;
    padding: 30px;
    margin: 20px;
    width: 100%;
    max-width: 600px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

form {
    width: 100%;
    display: flex;
    flex-direction: column;
}

/* Form Input Fields */
label {
    display: block;
    margin: 12px 0 5px;
    font-size: 16px;
    color: #495057;
    font-weight: 500;
}

input[type="text"],
input[type="date"],
select {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid #ced4da;
    font-size: 16px;
    color: #495057;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
}

/* Focused Input Fields */
input[type="text"]:focus,
input[type="date"]:focus,
select:focus {
    border-color: #007bff;
    background-color: #ffffff;
    outline: none;
}

/* Button Styling */
button {
    background-color: #007bff;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

button:active {
    background-color: #004085;
}

button:focus {
    outline: none;
}

/* Responsive Design */
@media (max-width: 600px) {
    #appointment {
        padding: 20px;
        max-width: 90%;
    }

    h1 {
        font-size: 1.5rem;
    }
}