<!-- SOLIDABILITY-WORLD · part 3 -->
tion: opacity 0.3s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#sw-onboard.visible { opacity: 1; pointer-events: auto; }
.onboard-card {
  width: min(480px, 92vw);
  max-height: 86vh;
  overflow-y: auto;
  background: rgba(15, 20, 28, 0.98);
  border: 1px solid rgba(0, 255, 204, 0.3);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
}
.onboard-steps {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}
.onboard-step {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: #666;
}
.onboard-step.active {
  border-color: #00ffcc;
  color: #00ffcc;
  box-shadow: 0 0 12px rgba(0, 255, 204, 0.3);
}
.onboard-step.done {
  border-color: #00ffcc;
  background: rgba(0, 255, 204, 0.15);
  color: #00ffcc;
}
.onboard-card h2 { margin: 0 0 8px 0; color: #fff; font-size: 22px; }
.onboard-desc { color: #888; margin: 0 0 20px 0; font-size: 14px; }
.onboard-content p { color: #aaa; line-height: 1.6; font-size: 14px; }
.onboard-btn {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  color: #e0e0e0;
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
}
.onboard-btn small {
  display: block;
  font-size: 12px;
  color: #666;
  margin-top: 4px;
}
.onboard-btn.primary {
  background: rgba(0, 255, 204, 0.15);
  border-color: #00ffcc;
  color: #00ffcc;
  font-weight: bold;
}
.onboard-btn.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.1);
  color: #666;
}
.onboard-btn:active { transform: scale(0.98); }
.auth-scope {
  text-align: left;
  background: rgba(0, 255, 204, 0.05);
  border: 1px solid rgba(0, 255, 204, 0.2);
  border-radius: 10px;
  padding: 16px;
  margin: 16px 0;
}
.auth-scope h4 { margin: 0 0 12px 0; color: #00ffcc; }
.auth-scope ul { list-style: none; padding: 0; margin: 0; }
.auth-scope li { padding: 4px 0; font-size: 14px; color: #aaa; }
.scope-note {
  margin-top: 12px;
  font-size: 12px;
  color: #666;
  font-style: italic;
}
#source-path {
  width: 100%;
  padding: 12px;
  margin: 12px 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #e0e0e0;
  font-family: monospace;
  font-size: 14px;
  box-sizing: border-box;
}
.progress .spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(0, 255, 204, 0.2);
  border-top-color: #00ffcc;
  border-radius: 50%;
  margin: 20px auto;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.scaling-note {
  font-size: 12px;
  color: #ffaa44;
  background: rgba(255, 170, 68, 0.08);
  border-left: 3px solid #ffaa44;
  padding: 8px 12px;
  margin-top: 8px;
  line-height: 1.5;
}
.floor-note {
  font-size: 12px;
  color: #00ffcc;
  margin-top: 8px;
}

/* Human Intervention System */
#intervention-ui {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#intervention-ui.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.intervention-card {
  background: rgba(10, 15, 20, 0.95);
  border: 2px solid #ffaa44;
  border-radius: 16px;
  padding: 16px 20px;
  min-width: 280px;
  max-width: 90vw;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
.intervention-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.intervention-header h3 {
  margin: 0;
  color: #fff;
  font-size: 16px;
}
.pause-badge {
  background: rgba(255, 170, 68, 0.2);
  color: #ffaa44;
  font-size: 11px;
  font-weight: bold;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.intervention-info {
  font-size: 12px;
  color: #888;
  margin: 0 0 12px 0;
}
.intervention-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.int-btn {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #e0e0e0;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.int-btn.primary {
  background: rgba(0, 255, 204, 0.15);
  border-color: #00ffcc;
  color: #00ffcc;
  font-weight: bold;
}
.int-btn.danger {
  border-color: rgba(255, 68, 68, 0.5);
  color: #ff8888;
}
.int-btn.secondary {
  width: 100%;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.1);
  color: #666;
  font-size: 12px;
}
.int-btn:active { transform: scale(0.96); }

/* Intervention history */
#intervention-history {
  position: absolute;
  top: 0;
  left: 0;
  widt