:root {
  --ddt-font-scale: 1;
  --ddt-space-unit: 1;
}

body {
  font-size: calc(16px * var(--ddt-font-scale));
}

.tool-root :focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.ddt-actionbar {
  position: sticky;
  top: 10px;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: calc(10px * var(--ddt-space-unit));
  padding: calc(10px * var(--ddt-space-unit)) calc(12px * var(--ddt-space-unit));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-card);
}

.ddt-actionbar-left,
.ddt-actionbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: calc(8px * var(--ddt-space-unit));
  align-items: center;
}

.ddt-actionbar-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.ddt-select,
.ddt-view-select {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--bg-panel);
  color: var(--text-main);
}

.ddt-file-info {
  display: none;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.ddt-file-info.is-visible {
  display: flex;
}

.ddt-file-clear {
  border: none;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-size: 12px;
}

.ddt-dropzone-active {
  outline: 2px dashed var(--primary);
  outline-offset: 2px;
  background: rgba(37, 99, 235, 0.06);
}

.ddt-error-banner {
  margin: 10px 0;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(185, 28, 28, 0.25);
  background: rgba(185, 28, 28, 0.08);
  color: #991b1b;
}

.ddt-error-message {
  font-weight: 600;
}

.ddt-error-meta {
  font-size: 12px;
  margin-top: 4px;
}

.ddt-error-actions {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ddt-error-highlight {
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.35) inset;
}

.ddt-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: none;
  align-items: stretch;
  justify-content: flex-end;
  z-index: 30;
}

.ddt-drawer-overlay[aria-hidden='false'] {
  display: flex;
}

.ddt-drawer {
  width: min(420px, 92vw);
  background: var(--bg-panel);
  border-left: 1px solid var(--border-soft);
  box-shadow: var(--shadow-float);
  display: flex;
  flex-direction: column;
  max-height: 100%;
}

.ddt-drawer-header {
  padding: 14px;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ddt-drawer-title {
  font-weight: 600;
}

.ddt-drawer-body {
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ddt-drawer-note {
  font-size: 12px;
  color: var(--text-muted);
}

.ddt-drawer-note.is-warning {
  color: #b91c1c;
}

.ddt-drawer-controls {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.ddt-toggle {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--text-main);
}

.ddt-history-list,
.ddt-presets-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ddt-history-item,
.ddt-preset-item {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 10px;
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ddt-history-meta,
.ddt-preset-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.ddt-history-actions,
.ddt-preset-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ddt-preset-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ddt-empty {
  font-size: 12px;
  color: var(--text-muted);
}

.ddt-view-controls {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-left: 12px;
}

.ddt-view-label {
  font-size: 12px;
  color: var(--text-muted);
}

.ddt-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.ddt-toast-wrap {
  position: fixed;
  bottom: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 50;
}

.ddt-toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.2s ease;
  font-size: 12px;
}

.ddt-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.ddt-toast--ok {
  border-color: rgba(22, 101, 52, 0.3);
}

.ddt-toast--error {
  border-color: rgba(185, 28, 28, 0.3);
}