/* ==========================================================================
   申论工作台样式 (可拖拽分栏 + 26px 方格纸答题卡)
   ========================================================================== */

.shenlun-container {
  display: flex;
  height: 100%;
  width: 100%;
  overflow: hidden;
  position: relative;
}

/* 左侧试卷与材料面板 */
.paper-panel {
  height: 100%;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
}

.paper-header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #FAF9F7;
}

.paper-title-box {
  flex: 1;
  overflow: hidden;
}

.paper-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.paper-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 材料标签页导航 */
.material-tabs-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  flex-wrap: nowrap;
}

.material-tab-item {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: #F4F4F2;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid transparent;
}

.material-tab-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.material-tab-item.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary-border);
  font-weight: 600;
}

.material-tab-item.questions-tab {
  background: #FFF4E6;
  color: #D9480F;
}
.material-tab-item.questions-tab.active {
  background: #E58522;
  color: #FFFFFF;
}

/* 材料正文滚动区 */
.material-content-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-primary);
  background: #FFFFFF;
}

.material-text {
  white-space: pre-wrap;
  letter-spacing: 0.2px;
}

/* 题目展示列表 */
.questions-list-tab {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  overflow-y: auto;
}

.question-item-card {
  background: #FAF9F7;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px;
  cursor: pointer;
  transition: var(--transition);
}

.question-item-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-sm);
  background: #FFFFFF;
}

.question-item-card.active-answering {
  border-color: var(--primary);
  background: var(--primary-light);
}

.q-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.q-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.q-item-prompt {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 12px;
  white-space: pre-wrap;
}

.q-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

/* 中间可拖拽分隔条 */
.splitter-handle {
  width: 6px;
  cursor: col-resize;
  background-color: var(--bg-main);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  transition: background-color 150ms ease;
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.splitter-handle:hover, .splitter-handle.dragging {
  background-color: var(--primary);
}

/* 右侧申论答题卡区域 */
.essay-panel {
  height: 100%;
  flex: 1;
  background: var(--bg-main);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.essay-header {
  padding: 12px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.essay-q-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.essay-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.word-count-badge {
  font-size: 13px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: #F1F3F5;
  color: var(--text-primary);
}

.word-count-badge.exceeded {
  background: #FFF5F5;
  color: #E03E3E;
  border: 1px solid #FFC9C9;
}

/* 申论方格纸主容器 */
.essay-grid-viewport {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  padding: 24px;
  display: flex;
  justify-content: center;
  background: #F4F4F0;
}

.essay-sheet-paper {
  background: #FFFFFF;
  padding: 28px 24px 36px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  position: relative;
  width: fit-content;
  height: fit-content;
}

/* 左侧行号与里程碑标尺 */
.grid-ruler {
  display: flex;
  flex-direction: column;
  margin-right: 10px;
  user-select: none;
}

.ruler-row {
  height: 26px;
  font-size: 11px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 6px;
  font-family: var(--font-mono);
}

.ruler-row.milestone {
  color: var(--primary);
  font-weight: 600;
}

/* 核心 26px 方格区 */
.grid-paper-body {
  position: relative;
  /* 20 列: 20 * 26 = 520px, 25 列: 25 * 26 = 650px */
}

.grid-background {
  height: 100%;
  background-size: 26px 26px;
  background-image:
    linear-gradient(to right, rgba(229, 133, 34, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(229, 133, 34, 0.22) 1px, transparent 1px);
  background-position: 0 0;
  border-right: 1px solid rgba(229, 133, 34, 0.35);
  border-bottom: 1px solid rgba(229, 133, 34, 0.35);
  border-top: 1px solid rgba(229, 133, 34, 0.35);
  border-left: 1px solid rgba(229, 133, 34, 0.35);
}

.grid-textarea {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  font-family: "PingFang SC", "Microsoft YaHei", "SimSun", monospace;
  font-size: 15.5px;
  line-height: 26px;
  letter-spacing: 10.5px; /* 精确计算使 15.5px 汉字 + 10.5px 间距 = 26px 格宽 */
  padding-left: 5.25px;   /* 居中偏移 */
  padding-top: 0;
  color: rgba(0, 0, 0, 0.88);
  white-space: pre-wrap;
  word-break: break-all;
  overflow: hidden;
}

.essay-footer-status {
  padding: 8px 20px;
  background: #FAF9F7;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}