:root {
    --bg: #0b0f14;
    --card: #111826;
    --text: #e6edf3;
    --muted: #9aa4b2;
    --accent: #4cc9f0;
}

body {
    margin: 0;
    font-family: system-ui, sans-serif;
    background: radial-gradient(circle at top, #1a2333, #05080d);
    color: var(--text);
}

.container {
    max-width: 700px;
    margin: auto;
    padding: 2em 1em;
    text-align: center;
}

.card {
    background: var(--card);
    border-radius: 20px;
    padding: 2em;
    box-shadow: 0 0 40px rgba(76,201,240,0.15);
    animation: glow 4s infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(76,201,240,0.1); }
    to { box-shadow: 0 0 60px rgba(76,201,240,0.3); }
}

h1 {
    font-size: 42px;
    margin-bottom: 0.3em;
}

.ip-display {
    font-size: 34px;
    font-weight: bold;
    margin: 1em 0;
    cursor: pointer;
    color: var(--accent);
}

.small {
    color: var(--muted);
    font-size: 14px;
}

.info {
    margin-top: 1em;
    font-size: 16px;
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: black;
    padding: 10px 18px;
    border-radius: 20px;
    opacity: 0;
    transition: 0.3s;
}

.toast.show {
    opacity: 1;
}

.footer {
    margin-top: 2em;
    font-size: 14px;
    color: var(--muted);
}