body {
  padding: 20px;
}
.header {
  margin-bottom: 20px;
}
.group-item {
  cursor: pointer;
  padding: 10px;
  border-bottom: 1px solid #eee;
}
.group-item:hover {
  background-color: #f5f5f5;
}
.group-item.active {
  background-color: #009688;
  color: white;
}
.command-item {
  padding: 15px;
  margin-bottom: 10px;
  border: 1px solid #e6e6e6;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}
.command-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border-color: #009688;
}
.command-code {
  background-color: #f8f8f8;
  padding: 8px;
  border-radius: 4px;
  font-family: "Consolas", "Monaco", monospace;
  margin-top: 8px;
  word-break: break-all;
}
.command-actions {
  margin-top: 10px;
}
.search-box {
  margin-bottom: 15px;
}
.group-section {
  margin-bottom: 25px;
}
.group-section-title {
  font-size: 18px;
  font-weight: bold;
  color: #009688;
  padding: 10px 0;
  border-bottom: 2px solid #009688;
  margin-bottom: 15px;
}
.login-status {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 999;
}
.hidden {
  display: none !important;
}
.tile-card {
  border: 1px solid #e6e6e6;
  border-radius: 8px;
  padding: 15px;
  cursor: pointer;
  transition: all 0.3s;
  height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  background: white;
}
.tile-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: #009688;
  transform: translateY(-2px);
}
.tile-card-title {
  font-size: 14px;
  font-weight: bold;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tile-card-command {
  background-color: #f8f8f8;
  padding: 6px 8px;
  border-radius: 4px;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 12px;
  color: #666;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 8px 0;
}
.tile-card-desc {
  font-size: 12px;
  color: #999;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tile-card-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  opacity: 0;
  transition: opacity 0.3s;
}
.tile-card:hover .tile-card-actions {
  opacity: 1;
}
.tile-group-nav {
  position: sticky;
  top: 0;
  background: white;
  padding: 10px 0;
  border-bottom: 2px solid #009688;
  margin-bottom: 20px;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.tile-group-link {
  display: inline-block;
  padding: 8px 16px;
  margin-right: 10px;
  margin-bottom: 10px;
  background: #f5f5f5;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  color: #333;
}
.tile-group-link:hover {
  background: #009688;
  color: white;
}
.tile-section {
  margin-bottom: 40px;
}
.tile-section-title {
  font-size: 20px;
  font-weight: bold;
  color: #009688;
  padding: 15px 0;
  border-bottom: 2px solid #009688;
  margin-bottom: 20px;
  scroll-margin-top: 80px;
}
.back-to-top {
  position: fixed;
  bottom: 50px;
  right: 50px;
  width: 50px;
  height: 50px;
  background: #009688;
  color: white;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
}
.back-to-top:hover {
  background: #00796b;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}
.back-to-top i {
  font-size: 24px;
}