body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

.header {
    background-color: rgba(230, 0, 0);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header h1 {
    margin: 0;
    font-size: 24px;
}

.header a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-size: 16px;
}

.header a:hover {
    text-decoration: underline;
}

.container {
    max-width: 80vw;
    margin: 20px auto;
    padding: 0 20px;
}

table {
    border-collapse: collapse;
    width: 100%;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

th, td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #f1f1f1;
}

a {
    color: rgba(230, 0, 0);
    text-decoration: none;
    margin-right: 10px;
}

a:hover {
    text-decoration: none;
}

form {
    max-width: 500px;
    margin: 20px auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

input[type="text"], button {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: rgba(230, 0, 0);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: rgb(119, 0, 0);
}

.success {
    background-color: #d4edda;
    color: #155724;
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
}

.success, .error {
  transition: opacity 0.5s ease-out;
}


.back-btn {
    display: inline-block;
    background-color: #6c757d;
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.back-btn:hover {
    background-color: #5a6268;
}

.pagination a {
    margin: 0 5px;
    text-decoration: none;
    color: rgba(230, 0, 0);
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.pagination a.current {
    background-color: rgba(230, 0, 0);
    color: white;
    border-color: rgba(230, 0, 0);
}

.pagination a:hover {
    background-color: #e9ecef;
}

.message-container {
    font-weight: bold;
    font-family: Arial, sans-serif;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}