:root {
  --bg:#07090f; --panel:#0f141c; --border:rgba(255,255,255,0.1);
  --cyan:#00e5ff; --neon:#00ff41; --amber:#f59e0b; --purple:#a78bfa;
  --text:#e8eef7; --muted:#8b9bb4; --danger:#ff3b30;
}
* { box-sizing:border-box; margin:0; padding:0; }
body {
  font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg); color:var(--text); min-height:100vh; line-height:1.5;
}
a { color:var(--cyan); text-decoration:none; }
a:hover { text-decoration:underline; }
.top {
  border-bottom:1px solid var(--border); background:rgba(15,20,28,0.95);
  position:sticky; top:0; z-index:20;
}
.top-inner {
  max-width:960px; margin:0 auto; padding:12px 16px;
  display:flex; flex-wrap:wrap; align-items:center; gap:12px 18px;
  justify-content:space-between;
}
.brand { font-weight:800; letter-spacing:0.4px; font-size:0.9rem; color:var(--cyan); }
.brand span { color:var(--muted); font-weight:600; }
nav { display:flex; flex-wrap:wrap; gap:8px 14px; font-size:0.8rem; }
nav a { color:var(--muted); font-weight:600; }
nav a.on, nav a:hover { color:var(--cyan); text-decoration:none; }
.wrap { max-width:960px; margin:0 auto; padding:24px 16px 120px; }
.badge {
  display:inline-block; font-size:0.62rem; font-weight:800; letter-spacing:0.8px;
  text-transform:uppercase; color:var(--amber); border:1px solid rgba(245,158,11,0.4);
  background:rgba(245,158,11,0.08); padding:3px 9px; border-radius:999px; margin-bottom:12px;
}
h1 { font-size:clamp(1.4rem,3.5vw,2rem); font-weight:900; margin-bottom:8px; letter-spacing:-0.4px; }
h1 span { color:var(--cyan); }
.lead { color:var(--muted); margin-bottom:18px; max-width:640px; font-size:0.95rem; }
.card {
  background:var(--panel); border:1px solid var(--border); border-radius:14px;
  padding:20px; margin-bottom:16px;
}
.card h2 {
  font-size:0.7rem; font-weight:800; letter-spacing:0.7px; text-transform:uppercase;
  color:var(--purple); margin-bottom:12px;
}
label {
  display:block; font-size:0.68rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.4px; color:var(--muted); margin:10px 0 5px;
}
input, textarea, select {
  width:100%; padding:10px 12px; border-radius:8px; border:1px solid var(--border);
  background:#080b12; color:var(--text); font-size:0.9rem; outline:none;
  font-family:ui-monospace,monospace;
}
input:focus, textarea:focus, select:focus {
  border-color:var(--cyan); box-shadow:0 0 0 3px rgba(0,229,255,0.12);
}
textarea { min-height:96px; resize:vertical; }
.row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media (max-width:640px) { .row { grid-template-columns:1fr; } }
.btn {
  display:inline-flex; align-items:center; gap:6px; padding:11px 16px; border-radius:9px;
  border:1px solid var(--border); background:transparent; color:var(--text);
  font-weight:800; font-size:0.8rem; cursor:pointer; font-family:ui-monospace,monospace;
  text-decoration:none;
}
.btn:hover { text-decoration:none; border-color:var(--cyan); color:var(--cyan); }
.btn.primary { background:var(--cyan); color:#000; border-color:var(--cyan); }
.btn.primary:hover { background:#33ecff; color:#000; }
.btn-row { display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }
.note {
  font-size:0.82rem; color:var(--muted); border-left:3px solid rgba(0,229,255,0.35);
  padding:8px 12px; margin:12px 0; background:rgba(0,229,255,0.04); border-radius:0 8px 8px 0;
}
.gate {
  border:1px solid rgba(0,255,65,0.35); background:rgba(0,255,65,0.06);
  border-radius:12px; padding:14px 16px; margin-top:14px;
}
.gate label.chk {
  display:flex; gap:10px; align-items:flex-start; text-transform:none; letter-spacing:0;
  font-size:0.88rem; color:var(--text); font-weight:600; cursor:pointer;
}
.gate input[type=checkbox] { width:18px; height:18px; margin-top:2px; accent-color:var(--neon); flex-shrink:0; }
.alert {
  border:1px solid rgba(255,59,48,0.45); background:rgba(255,59,48,0.08);
  color:#fecaca; padding:10px 12px; border-radius:8px; font-size:0.85rem; margin-bottom:12px;
}
.ok {
  border:1px solid rgba(0,255,65,0.4); background:rgba(0,255,65,0.08);
  color:#bbf7d0; padding:10px 12px; border-radius:8px; font-size:0.85rem; margin-bottom:12px;
}
.mono { font-family:ui-monospace,monospace; }
.footer {
  margin-top:28px; padding-top:14px; border-top:1px solid var(--border);
  font-size:0.72rem; color:var(--muted);
}
.kv { display:grid; grid-template-columns:140px 1fr; gap:6px 12px; font-size:0.88rem; }
.kv dt { color:var(--muted); font-size:0.72rem; text-transform:uppercase; letter-spacing:0.4px; }
.kv dd { font-family:ui-monospace,monospace; word-break:break-word; }

/* Residual step rail */
.step-rail { display:flex; flex-wrap:wrap; gap:8px; margin:0 0 16px; }
.step-rail .s {
  font-size:0.68rem; font-weight:800; letter-spacing:0.4px; text-transform:uppercase;
  padding:6px 10px; border-radius:999px; border:1px solid var(--border); color:var(--muted);
}
.step-rail .s.on { border-color:var(--cyan); color:var(--cyan); background:rgba(0,229,255,0.08); }
.step-rail .s.done { border-color:rgba(0,255,65,0.35); color:var(--neon); }
.panel { display:none; }
.panel.on { display:block; }
.timer {
  font-family:ui-monospace,monospace; font-size:0.85rem; color:var(--cyan);
  margin-bottom:10px;
}
.timer span { color:var(--muted); }