:root {
  --zbtool-shell-padding: 24px;
}

.zbtool-card {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 20px;
  box-sizing: border-box;
}

.panel-work {
  margin-top: 16px;
  padding: 16px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tool-control {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-control.wide {
  grid-column: 1 / -1;
}

.tool-control span {
  font-size: 13px;
  color: #6b7280;
}

.tool-control input,
.tool-control textarea,
.tool-control select {
  width: 100%;
  border: 1px solid #d0d7de;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.4;
  box-sizing: border-box;
}

.tool-control textarea {
  resize: vertical;
  min-height: 96px;
}

.tool-control input:focus,
.tool-control textarea:focus,
.tool-control select:focus {
  outline: none;
  border-color: #2f6feb;
  box-shadow: 0 0 0 3px rgba(47, 111, 235, 0.12);
}

.tool-control input.disabled {
  background: #f5f7fa;
  color: #9aa4b2;
}

.tool-action-row {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-action-row button {
  border: 1px solid #d0d7de;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  background: #fff;
}

.tool-action-row .primary {
  background: #2f6feb;
  border-color: #2f6feb;
  color: #fff;
}

.tool-tip {
  margin-top: 10px;
  min-height: 20px;
  font-size: 13px;
  color: #0f5132;
}

.tool-tip.error {
  color: #b42318;
}

.tool-preview {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px dashed #d0d7de;
  background: #f9fbff;
}

.tool-preview strong {
  display: block;
  margin-bottom: 6px;
  color: #475467;
  font-size: 13px;
}

.tool-output {
  margin-top: 12px;
}

.tool-output textarea {
  min-height: 130px;
}

.tool-stats {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.tool-stats div {
  background: #f7f8fa;
  border: 1px solid #e7ecf2;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}

.tool-stats span {
  display: block;
  color: #6b7280;
  margin-bottom: 4px;
}

.tool-stats b {
  color: #111827;
  font-size: 14px;
  word-break: break-all;
}

.tool-notes {
  margin-top: 12px;
  border: 1px solid #dde3eb;
  border-radius: 10px;
  padding: 12px;
  background: #f9fbff;
}

.tool-notes h3 {
  margin: 0 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, #f6f9ff 0%, #eef4ff 100%);
  border: 1px solid #d5e1f7;
  color: #27466f;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.tool-notes h3::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2b7fff;
  box-shadow: 0 0 0 3px rgba(43, 127, 255, 0.15);
}

.tool-notes ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: #475467;
  line-height: 1.7;
}

.tool-notes li {
  margin: 4px 0;
}

.tool-auto {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #475467;
}

@media (max-width: 768px) {
  .zbtool-card {
    padding: 14px;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .tool-stats {
    grid-template-columns: 1fr;
  }
}