/* doc-to-html.css */

.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: var(--bg-secondary);
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.06);
}
.upload-icon {
  font-size: 2.5rem;
  margin-bottom: 0.6rem;
}
.upload-zone p {
  margin: 0.25rem 0;
  color: var(--text-secondary);
}
.upload-zone p strong {
  color: var(--text-primary);
}
.upload-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.file-info {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 860px) {
  .output-grid {
    grid-template-columns: 1fr;
  }
}

.output-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.output-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.output-card-header h3 {
  font-size: 0.95rem;
  margin: 0;
}

.preview-pane {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 2.25rem;
  min-height: 380px;
  max-height: 580px;
  overflow-y: auto;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  line-height: 1.75;
  color: #1a1a1a;
}
.preview-pane h1 { font-size: 2rem;   font-weight: 700; margin: 1.2em 0 0.4em; color: #111; border-bottom: 2px solid #e5e7eb; padding-bottom: 0.3em; }
.preview-pane h2 { font-size: 1.5rem;  font-weight: 700; margin: 1.1em 0 0.35em; color: #1a1a1a; }
.preview-pane h3 { font-size: 1.2rem;  font-weight: 600; margin: 1em 0 0.3em;   color: #222; }
.preview-pane h4 { font-size: 1.05rem; font-weight: 600; margin: 0.9em 0 0.25em; color: #333; }
.preview-pane h5 { font-size: 0.95rem; font-weight: 600; margin: 0.8em 0 0.2em;  color: #444; }
.preview-pane h6 { font-size: 0.875rem; font-weight: 600; margin: 0.75em 0 0.2em; color: #555; text-transform: uppercase; letter-spacing: 0.04em; }
.preview-pane p { margin: 0 0 0.85em; }
.preview-pane p:last-child { margin-bottom: 0; }
.preview-pane ul,
.preview-pane ol { margin: 0 0 0.85em 1.5em; padding: 0; }
.preview-pane ul { list-style: disc; }
.preview-pane ol { list-style: decimal; }
.preview-pane li { margin-bottom: 0.25em; }
.preview-pane li > ul,
.preview-pane li > ol { margin-top: 0.25em; margin-bottom: 0.25em; }
.preview-pane strong, .preview-pane b { font-weight: 700; }
.preview-pane em, .preview-pane i { font-style: italic; }
.preview-pane u { text-decoration: underline; }
.preview-pane table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
  font-size: 0.9rem;
  font-family: inherit;
}
.preview-pane th,
.preview-pane td {
  border: 1px solid #d1d5db;
  padding: 0.5em 0.75em;
  text-align: left;
  vertical-align: top;
}
.preview-pane th {
  background: #f3f4f6;
  font-weight: 700;
  color: #111;
}
.preview-pane tr:nth-child(even) td { background: #fafafa; }
.preview-pane a { color: #4f46e5; text-decoration: underline; }
.preview-pane a:hover { color: #3730a3; }
.preview-pane blockquote {
  margin: 1em 0;
  padding: 0.75em 1.25em;
  border-left: 4px solid #6366f1;
  background: #f5f3ff;
  border-radius: 0 0.3rem 0.3rem 0;
  color: #374151;
  font-style: italic;
}
.preview-pane hr {
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 1.5em 0;
}
.preview-pane code {
  font-family: 'Courier New', monospace;
  font-size: 0.875em;
  background: #f3f4f6;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: #be185d;
}
.preview-pane pre {
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 1em 1.25em;
  border-radius: 0.4rem;
  overflow-x: auto;
  font-size: 0.875em;
  margin: 1em 0;
}

.html-output-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  min-height: 380px;
  max-height: 520px;
  overflow: auto;
}
.html-output-wrap pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.3rem 0.7rem;
  font-size: 0.82rem;
}