:root {
  --app-primary: #2563eb;
  --app-border: #e5e7eb;
  --app-bg: #f9fafb;
}

.app-shell {
  max-width: 1080px;
}

.card {
  border-radius: 14px;
  border-color: var(--app-border);
}

.card-header,
.card-footer {
  background: #fff;
}

.dropzone {
  border: 2px dashed var(--app-border);
  border-radius: 12px;
  padding: 22px 16px;
  background: #fff;
  text-align: center;
  cursor: pointer;
  user-select: none;
}

.dropzone.dragover {
  border-color: #60a5fa;
  background: #eff6ff;
}

.file-list .file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--app-border);
}

.file-list .file-item:first-child {
  border-top: 0;
}

.file-list .file-name {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stat {
  border: 1px solid var(--app-border);
  border-radius: 12px;
  padding: 12px;
  background: #fff;
}

.stat-label {
  font-size: 12px;
  color: #6b7280;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
  font-variant-numeric: tabular-nums;
  color: #111827;
}

.settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.35);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 16px;
  z-index: 1050;
}

.settings-panel {
  width: min(360px, calc(100vw - 32px));
  background: #fff;
  border: 1px solid var(--app-border);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}