.markdown-preview-page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 8px 0 40px;
}

/* 상단 */
.markdown-preview-page .utility-top {
  text-align: center;
  padding: 30px 20px 28px;
}

.markdown-preview-page .utility-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 6px 13px;
  border-radius: 999px;
  background: #f5f3ff;
  color: #6d28d9;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.markdown-preview-page .utility-title {
  margin: 0;
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #0f172a;
}

.markdown-preview-page .utility-desc {
  max-width: 760px;
  margin: 16px auto 0;
  color: #64748b;
  font-size: 15px;
  line-height: 1.8;
}

/* 요약 카드 */
.markdown-summary-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.markdown-summary-item {
  padding: 20px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.markdown-summary-item::before {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, #7c3aed, #2563eb);
}

.markdown-summary-item strong {
  display: block;
  margin-bottom: 7px;
  font-size: 15px;
  font-weight: 900;
  color: #0f172a;
}

.markdown-summary-item span {
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
}

/* 공통 카드 */
.markdown-editor-card {
  padding: 28px;
  margin-bottom: 24px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
}

.markdown-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}

.markdown-card-head h2 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.markdown-card-head p {
  margin: 0;
  font-size: 14px;
  color: #64748b;
  line-height: 1.6;
}

/* 상단 버튼 */
.markdown-head-actions {
  display: flex;
  flex-shrink: 0;
  gap: 10px;
  padding-top: 4px;
}

/* 워크스페이스 */
.markdown-workspace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.markdown-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.markdown-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.markdown-pane .utility-field-label {
  font-weight: 800;
  color: #0f172a;
}

.markdown-count {
  font-size: 13px;
  font-weight: 700;
  color: #64748b;
}

/* 입력 */
.markdown-input {
  width: 100%;
  min-height: 620px;
  padding: 22px;
  box-sizing: border-box;
  border: 1px solid #1e293b;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(2, 6, 23, 0.98));
  color: #e5e7eb;
  font-family: Consolas, Monaco, "SFMono-Regular", "Courier New", monospace;
  font-size: 14px;
  line-height: 1.75;
  resize: vertical;
  outline: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 18px 36px rgba(15, 23, 42, 0.16);
}

.markdown-input::placeholder {
  color: rgba(203, 213, 225, 0.5);
}

.markdown-input:focus {
  border-color: #7c3aed;
  box-shadow:
    0 0 0 4px rgba(124, 58, 237, 0.16),
    0 18px 36px rgba(15, 23, 42, 0.18);
}

/* Preview */
.markdown-status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 82px;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.markdown-status-badge.is-ready {
  color: #475569;
  background: #f1f5f9;
}

.markdown-status-badge.is-success {
  color: #6d28d9;
  background: #ede9fe;
}

.markdown-preview-box {
  min-height: 620px;
  padding: 28px;
  overflow: auto;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: #ffffff;
  color: #111827;
  line-height: 1.8;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 18px 36px rgba(15, 23, 42, 0.08);
}

.markdown-preview-box.is-ready {
  color: #64748b;
}

/* Preview 내부 스타일 */
.markdown-preview-box h1,
.markdown-preview-box h2,
.markdown-preview-box h3,
.markdown-preview-box h4,
.markdown-preview-box h5,
.markdown-preview-box h6 {
  margin-top: 1.5em;
  margin-bottom: 0.7em;
  font-weight: 900;
  line-height: 1.3;
  color: #0f172a;
}

.markdown-preview-box h1 {
  font-size: 34px;
}

.markdown-preview-box h2 {
  font-size: 28px;
}

.markdown-preview-box h3 {
  font-size: 22px;
}

.markdown-preview-box p {
  margin: 0 0 1.2em;
}

.markdown-preview-box ul,
.markdown-preview-box ol {
  margin: 0 0 1.4em;
  padding-left: 1.4em;
}

.markdown-preview-box li {
  margin-bottom: 0.5em;
}

.markdown-preview-box blockquote {
  margin: 1.5em 0;
  padding: 14px 18px;
  border-left: 4px solid #7c3aed;
  border-radius: 12px;
  background: #f8fafc;
  color: #475569;
}

.markdown-preview-box pre {
  overflow-x: auto;
  margin: 1.5em 0;
  padding: 18px;
  border-radius: 16px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 13px;
  line-height: 1.7;
}

.markdown-preview-box code {
  font-family: Consolas, Monaco, monospace;
}

.markdown-preview-box p code,
.markdown-preview-box li code {
  padding: 2px 6px;
  border-radius: 6px;
  background: #eef2ff;
  color: #5b21b6;
}

.markdown-preview-box table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

.markdown-preview-box th,
.markdown-preview-box td {
  padding: 12px;
  border: 1px solid #e2e8f0;
  text-align: left;
}

.markdown-preview-box th {
  background: #f8fafc;
  font-weight: 800;
}

.markdown-preview-box a {
  color: #2563eb;
  text-decoration: none;
}

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

.markdown-preview-box img {
  max-width: 100%;
  border-radius: 14px;
}

/* 버튼 */
.markdown-action-row {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  padding-top: 4px;
  flex-wrap: wrap;
}

.markdown-preview-page .utility-btn {
  min-height: 46px;
  padding: 0 20px;
  border-radius: 14px;
  font-weight: 800;
}

.markdown-preview-page .utility-btn-primary {
  background: linear-gradient(135deg, #0f172a, #6d28d9);
  color: #ffffff;
  border-color: #0f172a;
}

.markdown-preview-page .utility-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.18);
}

/* 도움말 */
.markdown-preview-page .help-panel {
  margin-top: 30px;
}

.markdown-preview-page .help-panel > h2 {
  margin: 0 0 18px;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.markdown-preview-page .help-box {
  border-radius: 22px;
}

/* 모바일 */
@media (max-width: 980px) {
  .markdown-workspace {
    grid-template-columns: 1fr;
  }

  .markdown-input,
  .markdown-preview-box {
    min-height: 420px;
  }
}

@media (max-width: 768px) {
  .markdown-preview-page {
    padding: 0 0 28px;
  }

  .markdown-preview-page .utility-top {
    padding: 24px 14px 22px;
  }

  .markdown-summary-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .markdown-editor-card {
    padding: 22px;
    border-radius: 20px;
  }

  .markdown-card-head {
    flex-direction: column;
    gap: 14px;
  }

  .markdown-head-actions,
  .markdown-action-row {
    width: 100%;
    flex-direction: column;
    gap: 8px;
  }

  .markdown-head-actions .utility-btn,
  .markdown-action-row .utility-btn {
    width: 100%;
  }

  .markdown-input {
    min-height: 360px;
    font-size: 13px;
  }

  .markdown-preview-box {
    min-height: 360px;
    padding: 22px;
    font-size: 14px;
  }

  .markdown-preview-page .utility-title {
    font-size: 32px;
  }
}