/* Main CSS Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    min-height: 100vh;
}

h1, h2, h3 {
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #007bff;
    color: white;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

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

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

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

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

.alert ul {
    margin-left: 1.5rem;
}

.activity-card {
    border: 1px solid #ddd;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

nav {
    margin: 1rem 0;
}

nav a {
    margin-right: 1rem;
    text-decoration: none;
    color: #007bff;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    border: 1px solid #ddd;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
}

.moderation-item {
    border: 1px solid #ddd;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.text-danger {
    color: #dc3545;
}