.character-register-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 24px;
  align-items: start;
}

.character-register-grid .form-card {
  display: grid;
  gap: 18px;
}

.preview-card {
  position: sticky;
  top: 92px;
}

.upload-panel {
  display: grid;
  gap: 14px;
}

.upload-box {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper-warm);
  cursor: pointer;
  text-align: center;
}

.upload-box input {
  display: none;
}

.upload-box span {
  color: var(--ink);
  font-weight: 900;
}

.upload-box small {
  color: var(--muted);
  line-height: 1.6;
}

.upload-preview {
  min-height: 240px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 253, 248, 0.72);
  color: var(--muted);
  text-align: center;
}

.upload-preview img {
  width: 100%;
  max-height: 360px;
  border-radius: 10px;
  object-fit: contain;
}

.upload-preview p {
  margin: 10px 0 0;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.preview-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.preview-actions a {
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 900;
}

.preview-actions a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 800px) {
  .character-register-grid {
    grid-template-columns: 1fr;
  }

  .preview-card {
    position: static;
  }
}