.public-sign-page {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.public-sign-header {
  text-align: center;
  margin-bottom: 32px;
}

.public-sign-header h1 {
  margin: 8px 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
}

.public-sign-lead {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-secondary);
  line-height: 1.6;
}

.public-sign-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
  max-width: 480px;
  margin: 0 auto;
}

.public-sign-grid.is-ready {
  max-width: 1100px;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 900px) {
  .public-sign-grid.is-ready {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
}

.public-sign-mode {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.public-sign-mode-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.signature-preview-wrap {
  margin-top: 10px;
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
}

#signature-preview-canvas {
  display: block;
  width: 100%;
  max-width: 360px;
  height: 96px;
}

.public-sign-preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.public-sign-preview-toolbar h2 {
  margin: 0;
  font-size: 1.1rem;
}

.public-sign-page-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.pdf-placement-wrap {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  cursor: crosshair;
}

#pdf-preview-canvas {
  display: block;
  width: 100%;
  height: auto;
}

.placement-overlay {
  position: absolute;
  transform: translate(-50%, -50%);
  border: 2px dashed var(--accent, #2563eb);
  border-radius: 4px;
  box-sizing: border-box;
  background: rgba(37, 99, 235, 0.06);
  overflow: hidden;
  cursor: move;
  touch-action: none;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.15);
}

.placement-overlay.is-empty {
  cursor: crosshair;
}

.placement-overlay img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.placement-size-control {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-size: 0.85rem;
}

.placement-size-control label {
  flex-shrink: 0;
  color: var(--text-secondary);
}

.placement-size-control input[type='range'] {
  flex: 1;
  min-width: 120px;
}

.placement-size-value {
  flex-shrink: 0;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  min-width: 9rem;
}

.public-sign-empty,
.public-sign-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.public-sign-meta {
  margin-top: 10px;
}

.placement-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.placement-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
}

.placement-list li.is-active {
  border-color: var(--accent, #2563eb);
}

.placement-list button {
  flex-shrink: 0;
}

.public-sign-result-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 16px;
  font-size: 0.9rem;
  margin: 0 0 24px;
}

.public-sign-result-dl dt {
  color: var(--text-secondary);
}