:root {
    --bg: #0f0f12;
    --panel: #15181d;
    --text: #e6e6eb;
    --muted: #9a9aaa;
    --accent: #4caf50;
    --accent-dim: #325f35;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, sans-serif;
    background: radial-gradient(circle at top, #181b21 0%, #0b0c0f 60%);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 10px; /* add some padding around edges */
}

.card {
    background: var(--panel);
    border: 1px solid #1f2229;
    border-radius: 12px;
    padding: 28px 32px;
    width: 100%;
    max-width: 960px;
    box-shadow: 0 12px 32px rgba(0,0,0,.45);
    display: flex;
    flex-direction: column;
    gap: 14px; /* you can tune this */
}

.ipbox {
    background: #0c0e11;
    border: 1px solid #22252b;
    border-radius: 8px;
    padding: 12px 14px;
    font-family: monospace;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.copy-btn {
    font-family: inherit;
    font-size: .9rem;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--accent-dim);
    background: rgba(76,175,80,.15);
    color: var(--accent);
    cursor: pointer;
}

.copy-btn:active {
    transform: scale(.97);
}

.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid #325f35;
    background: rgba(76,175,80,.15);
    color: #4caf50;
    text-decoration: none;
    font-size: .95rem;
    cursor: pointer;
    align-self: flex-start;
}
.btn:hover {
    background: rgba(76,175,80,.25);
}

h1 {
    margin-top: 0;
}

p {
    margin: 0;
}