body {
    font-family: Arial, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
}

.dashboard-container {
    max-width: 1100px;
    margin: 0 auto;
    background: #ffffff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.dashboard-controls {
    margin-bottom: 20px;
    display: flex;
    justify-content: flex-end;
}

.btn-primary {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 18px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary:hover {
    background-color: #218838;
}

/* Modal styling */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 20px;
    border-radius: 8px;
    width: 400px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover {
    color: #000;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.btn-submit {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    width: 100%;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.btn-submit:hover {
    background-color: #0056b3;
}

#calendar {
    margin-top: 20px;
}