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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a, #1e1b4b);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 35px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
}

h1 {
    margin-bottom: 20px;
    font-size: 2rem;
}

#ip {
    font-size: 2rem;
    font-weight: bold;
    background: #0f172a;
    padding: 15px 25px;
    border-radius: 10px;
    font-family: monospace;
    letter-spacing: 1px;
    margin: 20px 0;
}

button {
    padding: 12px 28px;
    border: none;
    background: #3b82f6;
    color: white;
    font-weight: bold;
    cursor: pointer;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

button:hover {
    background: #2563eb;
    transform: scale(1.05);
}