.section-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  padding: 4px 0;
  font-size: 13px;
  color: var(--fg-muted);
}

.question-text {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--fg);
  font-size: 16px;
  max-width: var(--reading-max-width);
}

.grid-btn {
  padding: 8px 16px;
  background: var(--primary);
  color: var(--bg);
  border: 2px solid var(--bg);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: all 0.2s;
  box-shadow: none;
}

.grid-btn:hover {
  background: var(--bg);
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: none;
}

.grid-btn.active {
  background: var(--secondary);
  color: var(--bg);
  border-color: var(--bg);
  box-shadow: none;
}

.grid-btn.active:hover {
  background: var(--bg);
  color: var(--secondary);
  border-color: var(--secondary);
  box-shadow: none;
}

.chars-per-line-control,
.max-chars-control {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
}

.chars-input {
  width: 80px;
  padding: 4px;
  border: none !important;
  border-bottom: 2px solid var(--input-border) !important;
  border-radius: 0 !important;
  text-align: center;
  background: transparent !important;
  color: var(--fg);
  cursor: pointer;
  box-shadow: none !important;
  transition: border-color 0.2s;
}

.chars-input:focus {
  outline: none !important;
  border: none !important;
  border-bottom: 2px solid var(--primary) !important;
  box-shadow: none !important;
}

.character-counter {
  display: flex;
  gap: 8px;
  font-size: 14px;
}

.counter-item {
  display: flex;
  gap: 3px;
}

.counter-label {
  color: var(--fg-muted);
}

.counter-value {
  font-weight: 600;
  color: var(--fg);
  min-width: 30px;
  text-align: right;
}

.counter-value.over-limit {
  color: #ef4444;
  font-weight: 700;
}

.editor-wrapper {
  position: relative;
  width: 100%;
}

.line-char-counter {
  position: absolute;
  top: 0;
  right: -60px;
  background: var(--primary);
  color: #f9ffff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  pointer-events: none;
  z-index: 10;
  width: 32px;
  text-align: center;
  box-shadow: none;
}

.cursor-char-counter {
  position: absolute;
  background: var(--secondary);
  color: #f9ffff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  pointer-events: none;
  z-index: 11;
  width: 32px;
  text-align: center;
  box-shadow: none;
}

.carry-over-indicator {
  position: absolute;
  top: 0;
  color: var(--fg-muted);
  opacity: 0.5;
  font-size: 14px;
  pointer-events: none;
  z-index: 9;
  width: 30px;
  text-align: center;
}

.disabled-cell {
  position: absolute;
  background: rgba(239, 68, 68, 0.08);
  border: 2px solid rgba(239, 68, 68, 0.2);
  pointer-events: none;
  z-index: 5;
}

.section-editor {
  display: flex;
  justify-content: flex-start;
  width: 100%;
  overflow-x: auto;
}

.section-editor:not(.grid-container) {
  display: block;
}

.section-content {
  width: 100%;
  box-sizing: border-box;
  padding: 14px;
  border: 2px solid var(--input-border);
  border-radius: 8px;
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Yu Gothic', 'Meiryo',
    'Helvetica Neue', Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s,
    background-color 0.2s;
  background: var(--input-bg);
  color: var(--fg);
}

.section-content.grid-mode {
  box-sizing: content-box;
  font-family:
    'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
  font-size: 20px;
  line-height: 24px;
  background-image:
    linear-gradient(to right, var(--grid-line-color) 1px, transparent 2px),
    linear-gradient(to bottom, var(--grid-line-color) 1px, transparent 2px),
    linear-gradient(to right, var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line-color) 1px, transparent 1px);
  background-size:
    120px 24px,
    24px 120px,
    24px 24px,
    24px 24px;
  letter-spacing: 4px;
  padding: 1px 0 0 2px;
  margin: 0;
  border: none;
  background-color: transparent;
  overflow: hidden;
  resize: none;
}

.section-content:focus {
  border-color: var(--secondary);
  box-shadow: none;
}

.section-content.grid-mode:focus {
  border-color: transparent;
  box-shadow: none;
}

.section-content:disabled,
.section-content[readonly] {
  background-color: var(--eval-bg);
  color: var(--fg-muted);
  cursor: not-allowed;
}

.chars-input:disabled {
  background-color: transparent !important;
  color: var(--fg-muted) !important;
  cursor: not-allowed !important;
  border-bottom-color: var(--border-color) !important;
}

/* 採点詳細部分のモダナイズ */
.detailed-scoring {
  margin-top: 20px;
}

.score-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}

.rule-violations {
  margin-bottom: 24px;
  background: rgba(239, 68, 68, 0.08);
  padding: 16px;
  border-radius: 8px;
  border: 2px solid rgba(239, 68, 68, 0.2);
}

.rule-violations-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  color: #ef4444;
  border-bottom: 2px solid #ef4444;
}

.rule-violations-list {
  margin: 0 0 0 20px;
  color: #ef4444;
}

.rule-violations-list li {
  margin-bottom: 4px;
}

.criteria-scores {
  margin-bottom: 16px;
}

.criteria-list {
  background: var(--eval-bg);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}

.criteria-item {
  padding: 12px 0;
  margin: 0;
  border-bottom: 2px solid var(--border-color);
}

.criteria-item:first-child {
  padding-top: 0;
}

.criteria-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

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

.criteria-name {
  font-weight: 600;
  color: var(--fg);
}

.criteria-reason {
  color: var(--fg-muted);
  font-size: 14px;
  line-height: 1.5;
}

.feedback-content {
  color: var(--fg);
  line-height: 1.6;
  white-space: pre-wrap;
  font-size: 15px;
  background: var(--eval-bg);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}

.feedback-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.explanation-content {
  color: var(--fg);
  line-height: 1.8;
  font-size: 15px;
  border-radius: 8px;
  padding: 16px;
  border: 2px solid transparent;
  background: transparent;
  margin-bottom: 24px;
  max-width: var(--reading-max-width);
}

.explanation-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  border-bottom: 2px solid transparent;
}

/* 満点 (Perfect) の解説テーマ */
.detailed-explanation--perfect {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
}
.detailed-explanation--perfect .explanation-title {
  color: #10b981;
  border-bottom-color: #10b981;
}

/* 部分点 (Partial) の解説テーマ */
.detailed-explanation--partial {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
}
.detailed-explanation--partial .explanation-title {
  color: #f59e0b;
  border-bottom-color: #f59e0b;
}

/* 0点 (Zero) の解説テーマ */
.detailed-explanation--zero {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
}
.detailed-explanation--zero .explanation-title {
  color: #ef4444;
  border-bottom-color: #ef4444;
}

.criteria-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--secondary);
  border-bottom: 2px solid var(--secondary);
}

.question-header {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 8px;
  gap: 4px;
}

.question-header-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  width: 100%;
}

.question-title {
  margin: 0;
  color: var(--fg);
  font-size: 1.15em;
  font-weight: 600;
  flex: 1;
}

.sub-question-instruction {
  font-size: 0.95em;
  font-weight: normal;
  color: var(--fg-muted);
  line-height: 1.5;
}

.question-item-flat {
  margin: 0 auto;
  width: 100%;
  max-width: var(--content-max-width);
  padding: 20px 0;
  border-bottom: 2px solid var(--border-color);
}

.question-item-flat:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.question-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.question-item-title {
  font-weight: 600;
  color: var(--fg);
  font-size: 1em;
}

.inline-answer-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.inline-answer-input {
  padding: 8px 12px;
  border: 2px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--fg);
  border-radius: 6px;
  font-size: 16px;
  font-family: inherit;
  outline: none;
  min-width: 120px;
  max-width: 100%;
  transition: all 0.2s;
}

.inline-answer-input.answer-type-numeric {
  width: 160px;
  font-family: 'SF Mono', 'Consolas', 'Courier New', monospace;
}

.inline-answer-input.answer-type-expression {
  width: 240px;
  font-family: 'SF Mono', 'Consolas', 'Courier New', monospace;
}

.inline-answer-input.answer-type-free_text {
  width: 100%;
  max-width: 320px;
}

.inline-answer-input:focus {
  border-color: var(--secondary);
  box-shadow: none;
}

.inline-answer-input:disabled {
  background-color: var(--eval-bg);
  color: var(--fg-muted);
  cursor: not-allowed;
  border-color: var(--border-color);
}

.inline-answer-unit {
  font-size: 15px;
  color: var(--fg-muted);
  white-space: nowrap;
  font-weight: 500;
}

@media (max-width: 768px) {
  .line-char-counter,
  .carry-over-indicator {
    display: none;
  }
}