.watermark-progress-segment {
  height: 4px;
  flex-grow: 1;
  border-radius: 999px;
}

.watermark-progress-segment.is-active {
  background-color: #000;
}

.watermark-progress-segment.is-inactive {
  background-color: #d1d5db;
}

#watermark-dropzone.is-dragging #watermark-dropzone-panel {
  border-color: #000;
  background:
    radial-gradient(circle at top, rgba(255, 214, 10, 0.18), transparent 55%),
    linear-gradient(180deg, #fffef7 0%, #fff8d8 100%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px) scale(1.01);
}

#watermark-dropzone-panel {
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.watermark-dropzone-icon {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

#watermark-dropzone.is-dragging .watermark-dropzone-icon {
  background-color: #000;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  transform: scale(1.08);
}

#watermark-dropzone.is-dragging #watermark-dropzone-icon-symbol {
  color: #fff7bf;
}

.watermark-dropzone-kicker {
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

#watermark-dropzone.is-dragging .watermark-dropzone-kicker {
  border-color: rgba(0, 0, 0, 0.12);
  background-color: rgba(255, 255, 255, 0.82);
  color: #111827;
}

.watermark-thumb-card {
  position: relative;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.watermark-page-frame {
  position: relative;
  width: 100%;
  background: #fff;
}

.watermark-thumb-canvas {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.watermark-preview-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.watermark-preview-layer.is-under {
  z-index: 1;
}

.watermark-preview-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: #000;
  font-size: 0.7rem;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  transform-origin: center center;
}

.watermark-preview-mark.is-image {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
}

.watermark-preview-mark.is-image img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}

.watermark-format-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  background: #fff;
  color: #000;
  font-size: 0.875rem;
  font-weight: 900;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.watermark-format-btn.is-active {
  border-color: #000;
  background: #000;
  color: #fff;
}

.watermark-color-input {
  height: 2.5rem;
  padding: 0.25rem;
}

.watermark-image-preview {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  object-fit: contain;
}

.watermark-mode-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem;
  min-height: 5rem;
  box-sizing: border-box;
  border-radius: 0.5rem;
  border: 1px solid #e5e7eb;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.watermark-mode-option:hover {
  background-color: #f9fafb;
}

.watermark-mode-option.is-active {
  background-color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 215, 0, 0.78), 0 1px 2px rgba(0, 0, 0, 0.05);
}

.watermark-mode-option input {
  margin-top: 0.2rem;
}

.watermark-mode-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: #000;
}

.watermark-mode-note {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.75rem;
  color: #6b7280;
}

.watermark-upload-spinner {
  display: inline-flex;
  line-height: 1;
  transform-origin: 50% 50%;
  will-change: transform;
  animation: watermark-spin 0.9s linear infinite;
}

@keyframes watermark-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}