#vpa-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 360px;
  max-width: calc(100vw - 32px);
  z-index: 999999;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
#vpa-toggle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 0;
  background: #111827;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  float: right;
}
#vpa-panel {
  display: none;
  clear: both;
  margin-bottom: 12px;
  background: #fff;
  color: #111827;
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(0,0,0,.25);
  overflow: hidden;
}
#vpa-panel.open { display:block; }
#vpa-header {
  padding: 14px 16px;
  background: #111827;
  color: white;
  font-weight: 700;
  display:flex;
  justify-content:space-between;
  gap:10px;
}
#vpa-status {
  font-size: 12px;
  font-weight: 500;
  opacity: .9;
}
#vpa-log {
  height: 220px;
  overflow-y: auto;
  padding: 14px;
  font-size: 14px;
  line-height: 1.4;
}
.vpa-message { margin-bottom: 10px; }
.vpa-user { font-weight: 700; color:#2563eb; }
.vpa-bot { font-weight: 700; color:#059669; }
.vpa-system { color:#6b7280; font-size:12px; }
#vpa-controls {
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid #e5e7eb;
}
#vpa-controls button, #vpa-command-btn {
  border:0;
  border-radius:10px;
  padding:10px;
  cursor:pointer;
  background:#f3f4f6;
  color:#111827;
}
#vpa-controls button.vpa-primary {
  background:#111827;
  color:#fff;
}
#vpa-text-command {
  padding: 12px;
  border-top: 1px solid #e5e7eb;
  display:flex;
  gap:8px;
}
#vpa-command-input {
  flex:1;
  border:1px solid #d1d5db;
  border-radius:10px;
  padding:10px;
  min-width:0;
}
#vpa-pages {
  display:none;
  border-top: 1px solid #e5e7eb;
  padding: 12px;
  max-height: 180px;
  overflow:auto;
}
#vpa-pages.open { display:block; }
#vpa-pages button {
  display:block;
  width:100%;
  text-align:left;
  margin:0 0 6px;
  border:0;
  border-radius:8px;
  padding:8px;
  background:#f9fafb;
  cursor:pointer;
}