/* 마크다운 → HTML 변환 전용 스타일 */

/* max-width override: 이 도구는 1000px 사용 */
nav {
  max-width: 1000px;
}

main {
  max-width: 1000px;
}

/* 에디터 영역 — 좌우 배치 */
.editor-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.pane {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.pane[hidden] {
  display: none;
}

.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.pane-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-sub);
}

.pane-actions {
  display: flex;
  gap: 0.4rem;
}

.btn-small {
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text-sub);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-small:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-small-danger:hover {
  border-color: var(--error);
  color: var(--error);
}

/* 텍스트 에디터 */
#input, #output {
  flex: 1;
  width: 100%;
  min-height: 450px;
  padding: 1rem;
  border: none;
  outline: none;
  resize: none;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  background: var(--surface);
  color: var(--text);
  tab-size: 2;
}

#input::placeholder, #output::placeholder {
  color: var(--text-sub);
  opacity: 0.6;
}

#output {
  cursor: default;
}

/* 미리보기 */
.preview-content {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  min-height: 450px;
  font-size: 0.95rem;
  line-height: 1.8;
}

/* 미리보기 내부 스타일 */
.preview-content h1 { font-size: 1.6rem; font-weight: 700; margin: 1rem 0 0.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3rem; }
.preview-content h2 { font-size: 1.3rem; font-weight: 700; margin: 0.9rem 0 0.4rem; border-bottom: 1px solid var(--border); padding-bottom: 0.25rem; }
.preview-content h3 { font-size: 1.1rem; font-weight: 700; margin: 0.8rem 0 0.3rem; }
.preview-content h4 { font-size: 1rem; font-weight: 700; margin: 0.7rem 0 0.3rem; }
.preview-content h5 { font-size: 0.9rem; font-weight: 700; margin: 0.6rem 0 0.3rem; }
.preview-content h6 { font-size: 0.85rem; font-weight: 700; margin: 0.5rem 0 0.3rem; color: var(--text-sub); }

.preview-content p { margin-bottom: 0.75rem; }
.preview-content ul, .preview-content ol { padding-left: 1.5rem; margin-bottom: 0.75rem; }
.preview-content li { margin-bottom: 0.3rem; }

.preview-content blockquote {
  border-left: 3px solid var(--primary);
  padding: 0.5rem 1rem;
  margin: 0.75rem 0;
  background: rgba(102, 126, 234, 0.05);
  color: var(--text-sub);
}

.preview-content code {
  background: rgba(102, 126, 234, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 0.85em;
}

.preview-content pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.preview-content pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
}

.preview-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

.preview-content a {
  color: var(--primary);
  text-decoration: none;
}

.preview-content a:hover {
  text-decoration: underline;
}

.preview-content img {
  max-width: 100%;
  border-radius: 8px;
}

.preview-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
}

.preview-content th, .preview-content td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-size: 0.9rem;
}

.preview-content th {
  background: var(--bg);
  font-weight: 600;
}

.preview-content .empty-hint {
  color: var(--text-sub);
  font-style: italic;
}

/* status override: no margin-bottom in this tool */
.status {
  margin-bottom: 0;
}

/* 반응형: 모바일에서 세로 배치 */
@media (max-width: 700px) {
  .editor-area {
    grid-template-columns: 1fr;
  }

  #input, #output, .preview-content {
    min-height: 250px;
  }
}