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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

h1 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 2.5em;
}

h2 {
    color: #764ba2;
    margin-top: 30px;
    margin-bottom: 15px;
}

ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
}

a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #764ba2;
    text-decoration: underline;
}

nav ul {
    list-style: none;
    margin-left: 0;
}

nav li {
    padding: 10px;
    background: #f5f5f5;
    margin-bottom: 5px;
    border-radius: 5px;
    transition: background 0.3s;
}

nav li:hover {
    background: #e0e0e0;
}

.warning {
    background: #fff3cd;
    border: 2px solid #ffc107;
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
}

article {
    padding: 20px;
    background: #f9f9f9;
    margin-bottom: 20px;
    border-radius: 5px;
    border-left: 4px solid #667eea;
}

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

form div {
    margin-bottom: 15px;
}

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

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

button {
    background: #667eea;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s;
}

button:hover {
    background: #764ba2;
}