.appointment-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.calendar {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.calendar table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.calendar th {
    padding: 10px 0;
    font-weight: 600;
    font-size: 1rem;
    border-bottom: 1px solid #ddd;
    text-align: center;
}

.calendar td {
    width: 14.28%;
    height: 40px;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.calendar td:hover {
    background-color: #e0f2f1;
}

.calendar td.selected {
    background-color: #a8d5ba;
    color: #000;
    font-weight: 600;
}

.calendar .nav-button {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 10px;
    color: #555;
    transition: color 0.3s ease;
}

.calendar .nav-button:hover {
    color: #a8d5ba;
}

.calendar .header-cell {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 10px 0;
}

.time-slots h5 {
    font-weight: 600;
    margin-bottom: 10px;
}

#timeSlots button {
    border: 1px solid #ccc;
    background: white;
    padding: 8px 15px;
    border-radius: 15px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#timeSlots button.selected,
#timeSlots button:hover {
    background-color: #a8d5ba;
    border-color: #a8d5ba;
    color: black;
    font-weight: 600;
}

form h5 {
    font-weight: 600;
    margin-bottom: 15px;
}

form label {
    font-weight: 500;
}

form input, form textarea {
    background-color: #f0f6f4;
    border: none;
    border-radius: 8px;
    padding: 10px;
    font-size: 1rem;
}

form button.btn-success {
    background-color: #a8d5ba;
    border: none;
    font-weight: 700;
    margin-top: 20px;
}