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

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

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #44444a 0%, #363b32 100%);
}

.login-form {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 500px;
}

.login-form h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 10px;
}

.login-form h2 {
    text-align: center;
    color: #34495e;
    margin-bottom: 30px;
    font-weight: normal;
}

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

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

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
    text-align: center;
}

.btn-primary {
    background-color: #3498db;
    color: white;
    width: 100%;
    max-width: 200px;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
    font-size: 14px;
    padding: 8px 16px;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.links {
    text-align: center;
    margin-top: 20px;
}

.links a {
    color: #3498db;
    text-decoration: none;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
}

.admin-container {
    min-height: 100vh;
    background-color: #f8f9fa;
}

.admin-header {
    background: white;
    padding: 15px 30px;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.admin-header h1 {
    color: #2c3e50;
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
}

.admin-nav {
    background: #2c3e50;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
}

.admin-nav a {
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    display: block;
    transition: background-color 0.3s;
}

.admin-nav a:hover,
.admin-nav a.active {
    background-color: #34495e;
}

.admin-main {
    padding: 30px;
}

.dashboard h2 {
    margin-bottom: 30px;
    color: #2c3e50;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card h3 {
    color: #34495e;
    margin-bottom: 10px;
    font-size: 16px;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #3498db;
}

.recent-articles {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.recent-articles h3 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.article-list {
    space: 15px;
}

.article-item {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

.article-item:last-child {
    border-bottom: none;
}

.article-item h4 {
    margin-bottom: 5px;
    color: #2c3e50;
}

.article-meta {
    color: #7f8c8d;
    font-size: 14px;
}

@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .admin-nav {
        flex-direction: column;
    }

    .admin-main {
        padding: 15px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}