/* Base Styles */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

h1 {
    color: #333;
    text-align: center;
    margin-bottom: 30px;
}

/* Container Pattern */
.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Back Button */
.back-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-bottom: 20px;
}

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

/* Modal System */
.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: white;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 5px;
}

.modal-header {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}

.modal-body {
    margin-bottom: 20px;
    word-wrap: break-word;
}

.close-button {
    padding: 10px 20px;
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.close-button:hover {
    background-color: #c82333;
}

/* Utility Classes */
.hidden {
    display: none;
}

.empty-message {
    text-align: center;
    color: #666;
    font-style: italic;
    padding: 20px;
}

.submit-button {
    padding: 10px 20px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-right: 10px;
}

.submit-button:hover {
    background-color: #218838;
}