body {
    margin: 0;
    min-height: 100vh; min-height: 100dvh;
    background: var(--bg);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    display: flex; align-items: flex-start; justify-content: center;
    padding: 24px;
    overflow-x: hidden; overflow-wrap: break-word;
}

.card { width: 100%; max-width: 1100px; border: 1px solid var(--border); background: var(--panel); backdrop-filter: blur(6px); padding: 22px; }

.title { display: flex; align-items: baseline; gap: 12px; margin: 0 0 10px 0; line-height: 1.2; }
.code { color: var(--primary); font-weight: 800; font-size: 28px; letter-spacing: -1px; text-shadow: 0 0 10px var(--dim); }
.msg { margin: 0 0 18px 0; color: var(--muted); font-size: 14px; }

h2 { margin: 22px 0 8px 0; font-size: 16px; color: var(--text); }
p, li { font-size: 14px; line-height: 1.55; color: var(--text); }
ul { margin: 8px 0 0 18px; padding: 0; }
code { color: var(--primary); }
pre { background: rgba(0, 0, 0, 0.35); border: 1px solid var(--border); padding: 12px; overflow-x: auto; margin: 12px 0 0 0; }
pre code { color: var(--text); white-space: pre; display: block; }

.page-footer { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 12px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

@media (max-width: 768px) {
    body { padding: 14px; align-items: stretch; }
    .card { padding: 16px; }
    .code { font-size: 22px; }
    h2 { font-size: 15px; }
    p, li { font-size: 13px; }
    .page-footer { font-size: 11px; }
}