.tool-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
}

html[data-theme="dark"] .tool-card {
  background: rgba(15, 23, 42, 0.96);
  border-color: #1f2937;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.9);
}

.tool-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.tool-card-header h2 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.tool-card-header span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.tool-dropzone {
  border-radius: var(--radius-md);
  border: 1px dashed rgba(148, 163, 184, 0.9);
  background: linear-gradient(180deg, #f9fafb, #ffffff);
  padding: 18px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.12s ease-out, background-color 0.12s ease-out,
    box-shadow 0.12s ease-out;
}

:root[data-theme="dark"] .tool-dropzone {
  background: radial-gradient(circle at top, rgba(30, 64, 175, 0.18), #020617);
  border-color: rgba(75, 85, 99, 0.9);
}

.tool-dropzone.is-dragover {
  border-color: #4f46e5;
  background: #eef2ff;
  box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.3);
}

:root[data-theme="dark"] .tool-dropzone.is-dragover {
  background: radial-gradient(circle at top, rgba(79, 70, 229, 0.35), #020617);
}

.tool-dropzone-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: #4f46e5;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.tool-dropzone-title {
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.tool-dropzone-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.tool-dropzone-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tool-dropzone-hint strong {
  color: var(--text);
}

.tool-hidden-input {
  display: none;
}

.tool-options {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 12px;
  align-items: flex-end;
}

.tool-field-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.tool-range-wrap {
  background: #f9fafb;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

html[data-theme="dark"] .tool-range-wrap {
  background: #020617;
  border-color: #1f2937;
}

.tool-range-wrap span {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex: 0 0 80px;
}

.tool-range {
  flex: 1;
}

.tool-range input[type="range"] {
  width: 100%;
}

.tool-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f9fafb;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

html[data-theme="dark"] .tool-toggle {
  background: #020617;
  border-color: #1f2937;
}

.tool-toggle input {
  display: none;
}

.tool-toggle-pill {
  width: 26px;
  height: 16px;
  border-radius: 999px;
  background: #e5e7eb;
  position: relative;
  flex-shrink: 0;
  transition: background 0.15s ease-out;
}

.tool-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.4);
  transition: transform 0.15s ease-out;
}

.tool-toggle input:checked + .tool-toggle-pill {
  background: #4f46e5;
}

.tool-toggle input:checked + .tool-toggle-pill .tool-toggle-thumb {
  transform: translateX(10px);
}

.tool-actions-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.tool-actions-main {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.tool-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tool-hint strong {
  color: var(--text);
}

.tool-file-list {
  margin-top: 12px;
  border-radius: var(--radius-md);
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  max-height: 220px;
  overflow-y: auto;
}

html[data-theme="dark"] .tool-file-list {
  border-color: #1f2937;
  background: #020617;
}

.tool-file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 10px;
  font-size: 0.85rem;
  border-bottom: 1px solid #e5e7eb;
}

html[data-theme="dark"] .tool-file-row {
  border-bottom-color: #1f2937;
}

.tool-file-row:last-child {
  border-bottom: none;
}

.tool-file-main {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.tool-file-main i {
  font-size: 0.9rem;
  color: #4f46e5;
}

.tool-file-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-file-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.tool-file-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.tool-file-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.tool-file-status.done {
  color: #16a34a;
}

.tool-file-status.error {
  color: #dc2626;
}

@media (max-width: 520px) {
  .tool-options {
    grid-template-columns: minmax(0, 1fr);
  }

  .tool-actions-row {
    flex-direction: column;
    align-items: flex-start;
  }
}