/* ==========================
 * Markdown 内容通用样式
 * ========================== */
.content-wrapper {
  background: var(--panel-bg);
  padding: 32px; /* 增加内边距，提升阅读呼吸感 */
  border-radius: var(--radius-md);
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm); /* 轻微阴影增加层次 */
}

.markdown-body {
  font-family: var(--font-sans);
  font-size: 1.05rem; /* 稍微调大字号，提升沉浸感 */
  line-height: var(--leading-relaxed);
  color: var(--color-slate-800);
}

/* 图片和代码块样式已迁移至 markdown-modern.css */

h2 {
  margin-top: 0;
}

.meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-slate-100); /* 增加分割线 */
}

.meta-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}

.meta-separator {
  color: var(--color-slate-300);
}

.meta-export-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary-100);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.meta-export-trigger:hover {
  background: var(--color-primary-100);
  border-color: var(--color-primary-200);
  color: var(--color-primary-700);
}

.meta-export-trigger:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.meta-export-trigger i {
  font-size: 0.9em;
}

.history-export-controls {
  position: relative;
  margin-bottom: 16px;
}

.export-panel-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.28);
  z-index: 98;
}

.export-panel {
  position: absolute;
  right: 0;
  top: 0;
  width: min(320px, 90vw);
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 24px 50px -24px rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 18px 20px;
  opacity: 0;
  transform: translateY(-8px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 99;
}

.history-export-controls.is-open .export-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.history-export-controls.is-open .export-panel-backdrop {
  display: block;
}

.export-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.export-panel-title {
  font-size: 0.95em;
  font-weight: 600;
  color: #1f2937;
  display: flex;
  align-items: center;
  gap: 6px;
}

.export-panel-title i {
  color: #2563eb;
}

.export-panel-close {
  border: none;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  transition: background 0.2s ease, color 0.2s ease;
}

.export-panel-close:hover {
  background: rgba(148, 163, 184, 0.18);
  color: #475569;
}

.export-panel-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.export-format-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.export-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 0;
  border-radius: 10px;
  border: 1px solid rgba(59, 130, 246, 0.25);
  background: rgba(59, 130, 246, 0.08);
  color: #1d4ed8;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.export-menu-btn:hover {
  background: rgba(37, 99, 235, 0.18);
  border-color: rgba(37, 99, 235, 0.35);
  color: #1e3a8a;
}

.export-menu-btn.is-active {
  background: rgba(37, 99, 235, 0.18);
  border-color: rgba(37, 99, 235, 0.55);
  color: #1e3a8a;
  box-shadow: 0 12px 24px -20px rgba(37, 99, 235, 0.7);
}

.export-menu-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.export-option {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9em;
  color: #475569;
}

.export-option input {
  width: 16px;
  height: 16px;
  accent-color: #2563eb;
}

.export-config {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.export-config-content {
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 12px;
  padding: 14px 16px;
  background: #f8fbff;
  min-height: 120px;
}

.export-config-placeholder {
  text-align: center;
  color: #94a3b8;
  font-size: 0.9em;
  padding: 22px 12px;
}

.export-config-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.export-config-section:last-child {
  border-bottom: none;
}

.export-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.export-field-label {
  font-size: 0.8em;
  color: #64748b;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.export-field select,
.export-field input {
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.95em;
  color: #1f2937;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.export-field select:focus,
.export-field input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}


.export-field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: stretch;
}

.export-field-half {
  flex: 1 1 calc(50% - 6px);
  min-width: 140px;
}

.export-field-row-single .export-field-half {
  flex: 1 1 100%;
  min-width: 0;
}

.export-field-row .export-field-half input,
.export-field-row .export-field-half select {
  width: 100%;
}

.export-tip {
  font-size: 0.85em;
  color: #94a3b8;
}

.export-confirm-btn {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  border: none;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.export-confirm-btn:hover:not(:disabled) {
  background: #1d4ed8;
  box-shadow: 0 8px 20px -12px rgba(37, 99, 235, 0.9);
}

.export-confirm-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.export-confirm-btn i {
  font-size: 0.95em;
}

@media (max-width: 768px) {
  .meta {
    gap: 8px;
  }

  .meta-export-trigger {
    width: 100%;
    justify-content: center;
  }

  .export-panel {
    position: fixed;
    inset: auto 16px 16px 16px;
    width: auto;
  }
}

@media (max-width: 600px) {
  .export-field-half {
    flex: 1 1 calc(50% - 8px);
    min-width: 120px;
  }
}

/* ==================== 图片和表格居中样式 ==================== */

/* 从 history_detail_inline_styles.css 迁移 */

.markdown-body img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
  height: auto;
}

.markdown-body table {
  display: table;
  margin-left: auto;
  margin-right: auto;
  /* width: auto; */  /* 默认，表格将根据内容调整大小 */
}