/* ============ 文章编辑器 ============ */

.editor-main {
  padding: clamp(24px, 4vw, 48px) 24px 88px;
}

.head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.editor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 24px;
  align-items: start;
}

.editor-form-panel .field:last-of-type {
  margin-bottom: 8px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.summary-input {
  resize: vertical;
  min-height: 66px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
}

.cover-input {
  display: flex;
  gap: 8px;
}

.cover-input .input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.cover-preview {
  margin-top: 10px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 16 / 9;
}

.cover-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cover-preview img.broken {
  opacity: 0;
}

.cover-tip {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 3px 9px;
  border-radius: 99px;
  background: rgba(43, 43, 43, 0.62);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.06em;
  max-width: calc(100% - 20px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cover-tip.error {
  background: var(--cinnabar-deep);
}

.editor-tools {
  display: flex;
  gap: 4px;
}

.tool {
  min-width: 28px;
  height: 26px;
  padding: 0 7px;
  display: grid;
  place-items: center;
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.6);
  transition: all var(--dur) var(--ease);
}

.tool:hover {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
  background: var(--cinnabar-soft);
}

.content-input {
  font-family: var(--font-mono);
  font-size: 13.2px;
  line-height: 1.9;
  min-height: 380px;
  resize: vertical;
  letter-spacing: 0;
}

.counter-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.form-actions .btn {
  flex: 1;
}

/* 预览 */
.preview-panel {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 120px);
  padding: 0;
  overflow: hidden;
}

.preview-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  flex: none;
}

.preview-head h2 {
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--ink-2);
}

.preview-scroll {
  overflow-y: auto;
  padding: 24px 26px 32px;
}

.preview-article h1 {
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.45;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.preview-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  margin-bottom: 20px;
  display: block;
}

.preview-meta {
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
}

.preview-meta .tag {
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink-3);
  font-size: 10.5px;
}

.preview-article .prose {
  font-size: 14.5px;
  line-height: 1.95;
}

.preview-article .prose h2 {
  font-size: 19px;
}

.preview-article .prose h3 {
  font-size: 16.5px;
}

.preview-placeholder {
  color: var(--ink-4);
  font-size: 13px;
}

@media (max-width: 1024px) {
  .editor-grid {
    grid-template-columns: 1fr;
  }
  .preview-panel {
    position: static;
    max-height: none;
  }
  .preview-scroll {
    max-height: 520px;
  }
}

@media (max-width: 640px) {
  .editor-main {
    padding: 22px 18px 64px;
  }
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .admin-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .content-input {
    min-height: 300px;
  }
  .preview-scroll {
    padding: 18px 16px 24px;
  }
}