textarea {
  width: 100%;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font: inherit;
  font-size: 0.9375rem;
  padding: 14px 16px;
  resize: vertical;
  min-height: 220px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 22%, transparent);
}

.mode-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 18px;
  padding: 0;
  border: none;
}

.mode-switch__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface);
}

.mode-switch__item input {
  margin: 0;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 180px;
  padding: 24px 20px;
  border: 2px dashed var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface-variant);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.drop-zone:hover,
.drop-zone:focus-visible {
  border-color: var(--md-sys-color-primary);
  background: color-mix(in srgb, var(--md-sys-color-primary-container) 45%, var(--md-sys-color-surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
  outline: none;
}

.drop-zone--active {
  border-color: var(--md-sys-color-primary);
  background: var(--md-sys-color-primary-container);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 18%, transparent);
  transform: scale(1.01);
}

.drop-zone__icon {
  font-size: 2rem;
  color: var(--md-sys-color-primary);
}

.drop-zone__title {
  font-weight: 700;
  color: var(--md-sys-color-on-surface);
}

.drop-zone__sub {
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface-variant);
}

.file-name {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
  word-break: break-all;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.result-meta {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.6;
  word-break: break-word;
}

.preview-wrap {
  margin-top: 20px;
}

.preview-wrap__title {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.image-preview-box {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 220px;
  padding: 18px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  overflow: auto;
}

.image-preview-box img {
  display: block;
  max-width: 100%;
  max-height: 480px;
  height: auto;
  object-fit: contain;
}

@media (max-width: 600px) {
  .mode-switch {
    flex-direction: column;
  }

  .result-actions {
    width: 100%;
  }

  .drop-zone {
    min-height: 156px;
    padding: 20px 16px;
  }}