body { 
  padding-top: 2rem; 
  padding-bottom: 6rem; 
}
#qrcode { 
  display: flex; 
  justify-content: center; 
}



dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(3px);
}

/* Side panel (clean style, no neobrutalism) */
#side-panel {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 280px;
  background: #ffffff;
  border-right: 1px solid #e5e7eb;
  box-shadow: 2px 0 8px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
  z-index: 1050;
  display: flex;
  flex-direction: column;
}

#side-panel.collapsed {
  transform: translateX(-100%);
}

#btn-toggle-panel {
  position: absolute;
  top: 50%;
  right: -24px;
  transform: translateY(-50%);
  width: 24px;
  height: 50px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-left: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  box-shadow: 2px 0 4px rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  transition: all 0.2s;
  padding: 0;
}

#btn-toggle-panel:hover {
  background: #f9fafb;
  color: #2563eb;
}

.panel-content {
  padding: 20px;
  overflow-y: auto;
  flex-grow: 1;
}

#btn-toggle-panel .chevron {
  transition: transform 0.3s ease;
  font-size: 12px;
}

#side-panel.collapsed .chevron {
  transform: rotate(180deg);
}