/* Application stylesheet */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
}

.nav {
    background: #333;
    color: white;
    padding: 10px;
    margin: -20px -20px 20px -20px;
}

.nav a {
    color: white;
    text-decoration: none;
    margin-right: 15px;
}

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

.btn {
    background: #007bff;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 4px;
    display: inline-block;
    margin: 5px;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #0056b3;
}

.note-card {
    border: 1px solid #ddd;
    margin: 10px 0;
    padding: 15px;
    border-radius: 4px;
}

.note-title {
    font-weight: bold;
    margin-bottom: 5px;
}

.note-meta {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.note-content {
    margin-bottom: 10px;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.search-form input {
    flex: 1;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.search-form button {
    margin: 0;
}

.error {
    color: #dc3545;
    background: #f8d7da;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.success {
    color: #155724;
    background: #d4edda;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

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

.info-box {
    background: #e9ecef;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.format-options {
    display: none;
    margin-top: 10px;
}

.format-options.show {
    display: block;
}

.note-header {
    border-bottom: 1px solid #ddd;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.note-title {
    font-size: 2em;
    margin: 0 0 10px 0;
}

.secret-admin-panel {
    display: none;
    background: red;
    color: white;
    padding: 20px;
}

/* Responsive design */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    .nav {
        margin: -10px -10px 15px -10px;
    }
    
    .search-form {
        flex-direction: column;
    }
}