/* Base Styles */
body {
    margin: auto;
    height: 500px;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

/* Header and Footer */
#header {
    width: 700px;
    color: maroon;
    font-size: 32px;
    padding: 10px 10px 10px 0px;
    margin-bottom: 15px;
    border-bottom: 1px solid green;
}

#footer {
    border-top: 1px solid green;
    margin-top: 20px;
    color: #336699;
    padding-top: 10px;    
}

/* Navigation */
.navigation {
    margin-bottom: 20px;
    padding: 10px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navigation a {
    text-decoration: none;
    color: #0066cc;
    margin-right: 15px;
}

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

/* Content Container */
.content-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-radius: 5px;
    margin-bottom: 20px;
}

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

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

th a {
    color: #333;
    text-decoration: none;
}

th a:hover {
    color: #0066cc;
}

tr:hover {
    background-color: #f5f5f5;
}

/* Forms */
.form-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    max-width: 500px;
    margin: 20px auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
    box-sizing: border-box;
}

/* Buttons */
.btn {
    padding: 8px 15px;
    border-radius: 3px;
    cursor: pointer;
    border: none;
    color: white;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: #0066cc;
}

.btn-danger {
    background-color: #dc3545;
}

/* Messages */
.message {
    padding: 10px;
    border-radius: 3px;
    margin-bottom: 15px;
}

.message-success {
    color: #155724;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
}

.message-error {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
}

/* Pagination */
.pagination {
    margin-top: 20px;
    text-align: center;
}

.pagination a {
    display: inline-block;
    padding: 8px 16px;
    text-decoration: none;
    color: #0066cc;
    background-color: #fff;
    border: 1px solid #ddd;
    margin: 0 4px;
    border-radius: 3px;
}

.pagination a:hover {
    background-color: #f5f5f5;
}

.pagination .active {
    background-color: #0066cc;
    color: white;
    border-color: #0066cc;
}

/* Utilities */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }