* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.container {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    text-align: center;
    min-width: 400px;
    max-width: 500px;
    width: 100%;
}
h1 {
    color: #333;
    margin-bottom: 2rem;
    font-size: 2rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.server-info { margin-bottom: 2rem; text-align: left; }
.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
}
.label { font-weight: bold; color: #555; }
.value { color: #333; font-family: 'Courier New', monospace; }
.status-online { color: #4CAF50; margin-right: 0.5rem; font-weight: bold; }
.status-offline { color: #f44336; margin-right: 0.5rem; font-weight: bold; }
.status-starting { color: #ff9800; margin-right: 0.5rem; font-weight: bold; }
.btn {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    font-weight: bold;
    margin-bottom: 1rem;
}
.btn:hover:not(:disabled) { background: #45a049; transform: translateY(-2px); }
.btn:disabled { background: #cccccc; cursor: not-allowed; transform: none; }
.btn-stop { background: #f44336; }
.btn-stop:hover:not(:disabled) { background: #d32f2f; transform: translateY(-2px); }
.message {
    margin-top: 1rem;
    padding: 0.8rem;
    border-radius: 5px;
    font-weight: bold;
    display: none;
}
.message.show { display: block; }
.message.success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.message.error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: #666;
}
.footer a { color: #667eea; text-decoration: none; }
.footer a:hover { text-decoration: underline; }