:root {
  --bg: #0f1220;
  --panel: #161a2b;
  --accent: #6cf;
  --accent-2: #9cf;
  --text: #eef3ff;
  --muted: #a8b0c6;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; background: var(--bg); color: var(--text); }
header, footer { background: linear-gradient(90deg, #17203a, #1c2442); padding: 16px; }
header .wrap, main .wrap, footer .wrap { max-width: 980px; margin: 0 auto; }
h1 { margin: 0 0 6px; font-size: 22px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.card { background: var(--panel); border: 1px solid #232846; border-radius: 14px; padding: 16px; box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.muted { color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 6px; background: #1e2544; border: 1px solid #2a3464; color: #d9e3ff; padding: 6px 10px; border-radius: 999px; font-size: 12px; }
.pill-danger { background: var(--danger); color: #0a0f22; border: none; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
label { display: block; font-size: 13px; color: var(--accent-2); margin-bottom: 6px; }
input[type="text"] { width: 160px; background: #0f1428; color: var(--text); border: 1px solid #263056; padding: 10px 12px; border-radius: 10px; outline: none; font-size: 16px; }
input.invalid { border-color: var(--danger); }
button { background: var(--accent); color: #0a0f22; border: none; padding: 10px 14px; border-radius: 10px; cursor: pointer; font-weight: 700; font-size: 14px; }
.error { color: var(--danger); font-size: 13px; margin-top: 6px; }
.out { font-size: 18px; font-weight: 700; margin-top: 8px; white-space: pre-line; }
.bug-item { background: #0f1428; border: 1px dashed #2e3967; border-radius: 10px; padding: 10px 12px; margin: 8px 0; }
.tag { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; padding: 3px 6px; border-radius: 6px; background: #243056; color: #cfe0ff; }
@media (max-width: 600px) { input[type="text"] { width: 100%; } }