:root {
  --color-bg: #0f1115;
  --color-surface: #171a21;
  --color-text: #e8eaed;
  --color-muted: #9aa0ab;
  --color-primary: #4f8cff;
  --color-primary-contrast: #06131f;
  --color-border: #2a2e37;
  --color-success: #35c47a;
  --color-warning: #e3a830;
  --color-danger: #e35d5d;
  --color-info: #4f8cff;
  --radius: 10px;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 16px 64px;
}

h1 {
  font-size: 1.6rem;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
}

p {
  color: var(--color-muted);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.steps {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 700;
  margin-bottom: 8px;
}

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border: none;
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}
.btn:hover {
  filter: brightness(1.08);
}
.btn:disabled {
  background: var(--color-border);
  color: var(--color-muted);
  cursor: not-allowed;
}
.btn.btn-danger {
  background: var(--color-danger);
  color: #1a0505;
}

.session-code {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-align: center;
  padding: 16px;
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius);
  margin: 16px 0;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-muted);
}
.status-dot.connected {
  background: var(--color-success);
}
.status-dot.error {
  background: var(--color-danger);
}

.log {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 320px;
  overflow-y: auto;
}
.log li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.95rem;
}
.log li:last-child {
  color: var(--color-text);
  font-weight: 600;
}

.finding {
  border-left: 4px solid var(--color-info);
  padding: 12px 16px;
  margin-bottom: 12px;
  background: var(--color-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.finding.severity-high {
  border-left-color: var(--color-danger);
}
.finding.severity-medium {
  border-left-color: var(--color-warning);
}
.finding.severity-low,
.finding.severity-info {
  border-left-color: var(--color-info);
}
.finding h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}
.badge {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-border);
  color: var(--color-text);
  margin-right: 6px;
}

.health-score {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
}

a {
  color: var(--color-primary);
}

footer.disclaimer {
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-top: 32px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}