body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #1a1a1a; color: #eee; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; }
.container { background: #2d2d2d; padding: 2rem; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.5); width: 350px; }
h2 { text-align: center; color: #00d4ff; }
input { width: 100%; padding: 10px; margin: 10px 0; border: none; border-radius: 4px; background: #404040; color: #fff; box-sizing: border-box; }
button { width: 100%; padding: 10px; border: none; border-radius: 4px; background: #00d4ff; color: #000; font-weight: bold; cursor: pointer; }
button:hover { background: #0099cc; }
.status-online { color: #00ff00; font-weight: bold; }
.status-offline { color: #ff4444; font-weight: bold; }
.nav { margin-top: 15px; text-align: center; font-size: 0.8rem; }
.nav a { color: #00d4ff; text-decoration: none; }