* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Tahoma, 'Segoe UI', Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: #2c3e50;
    color: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

header h1 {
    margin-bottom: 15px;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 5px 10px;
    background: #34495e;
    border-radius: 5px;
}

nav a:hover {
    background: #1abc9c;
}

main {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.post {
    border-bottom: 1px solid #ddd;
    padding: 20px 0;
    margin-bottom: 20px;
}

.post h3 a {
    color: #2c3e50;
    text-decoration: none;
}

.post h3 a:hover {
    color: #1abc9c;
}

.post-meta {
    color: #7f8c8d;
    font-size: 0.9em;
    margin: 10px 0;
}

.login-box {
    max-width: 400px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

button {
    background: #1abc9c;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background: #16a085;
}

.delete-btn {
    background: #e74c3c;
}

.delete-btn:hover {
    background: #c0392b;
}

.error {
    background: #e74c3c;
    color: white;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.success {
    background: #27ae60;
    color: white;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.admin-layout {
    display: flex;
    gap: 30px;
}

.sidebar {
    width: 250px;
    background: #ecf0f1;
    padding: 20px;
    border-radius: 8px;
}

.sidebar ul {
    list-style: none;
    margin-top: 20px;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    color: #2c3e50;
    text-decoration: none;
}

.admin-content {
    flex: 1;
}

.posts-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.posts-table th, .posts-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: right;
}

.posts-table th {
    background: #34495e;
    color: white;
}

footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    color: #7f8c8d;
}

.note {
    margin-top: 20px;
    font-size: 0.9em;
    color: #7f8c8d;
    text-align: center;
}