/* ════════════════════════════════════════════════════════════════════════
   UPLOAD ZONE
   ════════════════════════════════════════════════════════════════════════ */
.upload-zone {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-6);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-6);
}

.upload-zone:hover,
.upload-zone:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.upload-zone.is-dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  transform: scale(1.01);
}

.upload-zone.has-file {
  border-style: solid;
  border-color: var(--color-border);
  padding: var(--space-4);
  cursor: default;
}

.upload-zone.has-file:hover {
  background: transparent;
}

.upload-zone__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  cursor: default;
}

.upload-zone.has-file .upload-zone__input {
  display: none;
}

.upload-zone__icon {
  margin: 0 auto var(--space-3);
  color: var(--color-text-tertiary);
}

.upload-zone__title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.upload-zone__title--sm {
  font-size: 0.875rem;
}

.upload-zone__subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

/* Compact upload (context files) */
.upload-zone--compact {
  padding: var(--space-8) var(--space-4);
  margin-bottom: var(--space-4);
}

.upload-zone--project {
  min-height: 156px;
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-zone--project .upload-zone__content {
  width: 100%;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.project-upload-list {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.upload-preview--card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
}

/* File preview */
.upload-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  text-align: left;
}

.upload-preview__info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  flex: 1;
}

.upload-preview__thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.6875rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.upload-preview__meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.upload-preview__name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: normal;
  word-break: break-word;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-preview__size {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

.upload-preview__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.upload-preview__replace {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  padding: 0 var(--space-2);
  height: 30px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.upload-preview__replace:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.upload-preview__remove {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-tertiary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.upload-preview__remove:hover {
  background: var(--color-error-light);
  color: var(--color-error);
}

@media (max-width: 640px) {
  .upload-preview {
    flex-direction: column;
    align-items: stretch;
  }

  .upload-preview__actions {
    justify-content: flex-end;
  }
}


/* ════════════════════════════════════════════════════════════════════════
   LANGUAGE ROW
   ════════════════════════════════════════════════════════════════════════ */
.language-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.language-row--translate {
  align-items: flex-start;
}

.language-row--translate .language-swap {
  margin-top: 28px;
  margin-bottom: 0;
}

.translate-project-hint {
  margin-top: -8px;
  margin-bottom: var(--space-4);
  border: 1px solid color-mix(in srgb, var(--color-accent) 36%, var(--color-border));
  background: color-mix(in srgb, var(--color-accent-light) 72%, transparent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 10px 12px;
}

.translate-project-hint__text {
  margin: 0;
  color: color-mix(in srgb, var(--color-accent) 66%, var(--color-text));
  font-size: 0.95rem;
  line-height: 1.45;
  font-weight: 600;
}

.translate-project-hint__close {
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.translate-project-hint__close:hover {
  background: color-mix(in srgb, var(--color-surface-muted) 82%, transparent);
  color: var(--color-text);
}

.project-context-textarea {
  min-height: 128px;
  height: auto;
  padding-top: 10px;
  padding-bottom: 10px;
  resize: vertical;
}

.language-swap {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  flex-shrink: 0;
  margin-bottom: var(--space-4);
  transition: all var(--transition-fast);
}

.language-swap:hover {
  background: var(--color-surface-muted);
  color: var(--color-accent);
  border-color: var(--color-accent);
}