:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --ok: #22c55e;
  --info: #38bdf8;
  --warn: #f59e0b;
  --crit: #ef4444;
  --border: #334155;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
}
main { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { margin: 0 0 4px; font-size: 1.75rem; }
h2 { margin: 32px 0 8px; font-size: 1.15rem; }
.subtitle { color: var(--muted); margin: 0 0 20px; }

.setup { display: grid; gap: 12px; margin-bottom: 20px; }
.setup.grid-2 { grid-template-columns: 1fr 1fr; }
.setup label { display: grid; gap: 6px; font-size: 0.9rem; color: var(--muted); }
.setup .span-2 { grid-column: span 2; }
.setup input,
.setup select {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font-size: 1rem; width: 100%;
}
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }

button {
  padding: 12px 16px; border-radius: 10px; border: none;
  background: var(--accent); color: #0f172a; font-weight: 600; font-size: 0.95rem;
  cursor: pointer;
}
button.secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
button:disabled { opacity: 0.6; cursor: progress; }

#progress { margin-top: 20px; display: grid; gap: 8px; }
.step {
  padding: 10px 12px; border-radius: 8px; background: var(--card);
  color: var(--muted); font-size: 0.95rem;
  border-left: 3px solid transparent;
}
.step.active { border-left-color: var(--accent); color: var(--text); }
.step.done { border-left-color: var(--ok); color: var(--text); }
.step.fail { border-left-color: var(--crit); color: var(--text); }

#verdict { margin-top: 24px; }
#verdict h2 { font-size: 1.4rem; margin: 0 0 12px; }
#findings, .out { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 10px; }
.finding {
  padding: 12px 14px; border-radius: 10px; background: var(--card);
  border-left: 4px solid var(--muted);
}
.finding.ok { border-left-color: var(--ok); }
.finding.info { border-left-color: var(--info); }
.finding.warn { border-left-color: var(--warn); }
.finding.critical { border-left-color: var(--crit); }

/* --- Metrics Dashboard --- */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--card);
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.metric-unit {
  font-size: 0.85rem;
  color: var(--muted);
}

.next-action {
  padding: 12px 14px; border-radius: 10px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.4);
  margin-bottom: 16px;
}

.session-note {
  color: var(--muted); font-size: 0.85rem; margin-top: 16px;
}

.link { color: var(--accent); font-size: 0.9rem; word-break: break-all; }
.link a { color: var(--accent); }

details { margin: 16px 0; }
summary { cursor: pointer; color: var(--muted); }
pre {
  background: var(--card); padding: 12px; border-radius: 8px;
  overflow-x: auto; font-size: 0.78rem; line-height: 1.4;
}

@media (max-width: 540px) {
  .setup.grid-2 { grid-template-columns: 1fr; }
  .setup .span-2 { grid-column: span 1; }
}

@media (max-width: 400px) {
  .metrics-grid { grid-template-columns: 1fr; }
}