.tor-demo {
  padding: 35px 0 65px;
}

.tor-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 25px;
}

.tor-counter {
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 24px;
}

.tor-circuit {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.tor-node {
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 6px;
  background: rgba(255,255,255,.025);
  opacity: .5;
  transition: background .2s, opacity .2s, border-color .2s;
}

.tor-node.active {
  opacity: 1;
  border-color: var(--blue);
  background: rgba(56,182,255,.12);
}

.tor-node.visited {
  opacity: .85;
}

.tor-symbol {
  display: block;
  color: var(--blue);
  font-size: 1.7rem;
  margin-bottom: 10px;
}

.tor-node strong,
.tor-node small {
  display: block;
}

.tor-node strong {
  color: var(--white);
  font-size: .95rem;
}

.tor-node small {
  color: var(--muted);
  font-size: .75rem;
  margin-top: 5px;
}

.tor-details {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.tor-details h3,
.tor-https h3 {
  color: var(--white);
  margin: 0 0 12px;
}

.tor-details p,
.tor-https p {
  color: var(--muted);
  line-height: 1.7;
}

.tor-knowledge {
  margin-top: 18px;
  padding: 16px;
  border-left: 3px solid var(--blue);
  background: rgba(56,182,255,.06);
}

.tor-knowledge strong {
  color: var(--white);
}

.tor-knowledge p {
  margin-bottom: 0;
}

.tor-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.tor-controls button {
  cursor: pointer;
  border: 1px solid var(--blue);
  border-radius: 8px;
  background: transparent;
  color: var(--white);
  padding: 12px 16px;
  font: inherit;
}

.tor-controls button:hover:not(:disabled) {
  background: rgba(56,182,255,.15);
}

.tor-controls button:disabled {
  opacity: .35;
  cursor: not-allowed;
}

.tor-https {
  margin-top: 32px;
  padding-top: 25px;
  border-top: 1px solid var(--border);
}

.tor-switch {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 600;
  cursor: pointer;
  margin: 12px 0;
}

.tor-switch input {
  width: 20px;
  height: 20px;
  accent-color: #38b6ff;
}

.tor-https-result {
  margin-top: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  line-height: 1.7;
}

.tor-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: .85rem;
}

@media (max-width: 650px) {
  .tor-panel {
    padding: 16px;
  }

  .tor-circuit {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .tor-node {
    padding: 10px;
  }

  .tor-symbol {
    margin-bottom: 3px;
    font-size: 1.3rem;
  }

  .tor-details {
    padding: 16px;
  }

  .tor-controls button {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tor-node {
    transition: none;
  }
}

/* Spacing between lesson content blocks */
.tor-page .lesson-content .info-box + h2 {
  margin-top: 40px;
}

/* Compact responsive Tor circuit */
.tor-circuit {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.tor-node {
  min-width: 0;
  padding: 14px 6px;
}

@media (max-width: 650px) {
  .tor-circuit {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tor-node {
    padding: 12px 5px;
  }
}