client/src/css/components/_chat-input-panel.scss

// Chat / Attribution / Causal flow 共用的左栏 prompt 输入区样式
@use 'breakpoints' as *;
@use 'query-history-dropdown' as qh;

.input-section > .chat-raw-prompt-mode-row {
  margin-bottom: 0;
}

// Prompt 区选项标签：panel 标题、勾选行同系（9pt + 勾选主次色）
.input-section {
  span.semantic-submode-label {
    color: var(--text-muted);
  }

  .semantic-submode-row:not(.attribution-exclude-prompt-patterns-header):not(.attribution-exclude-generated-patterns-header) {
    label.semantic-submode-label {
      color: var(--text-primary);
    }

    label.semantic-submode-label:has(> input[type='checkbox']:not(:checked)) {
      color: var(--text-muted);
    }
  }

  .chat-prompt-panel > .input-header > .semantic-submode-label {
    font-size: 9pt;
  }

  // System 在 input-header 内（非 semantic-submode-row）
  .chat-prompt-panel > .input-header label.chat-use-system-label.semantic-submode-label {
    font-size: 9pt;

    input[type='checkbox'] {
      margin: 0;
      flex-shrink: 0;
    }

    &:has(> input[type='checkbox']:not(:checked)) {
      color: var(--text-muted);
    }

    &:has(> input[type='checkbox']:checked) {
      color: var(--text-primary);
    }
  }
}

.input-section .textarea-wrapper.chat-prompt-actions-row .chat-completion-options-row {
  margin-bottom: 8px;
  width: 100%;
}

.chat-prompt-panel + .chat-prompt-panel {
  margin-top: 12px;
}

.chat-use-system-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  margin: 0;
  font: inherit;
  color: inherit;
}

.chat-prompt-panel.chat-system-prompt-suppressed .text-action-buttons-top,
.chat-prompt-panel.chat-system-prompt-suppressed .textarea-wrapper.chat-prompt-textarea-block {
  opacity: 0.55;
}

.text-metrics-chat #metric_usage .text-metrics-api-usage {
  font-size: inherit;
  line-height: inherit;
  opacity: 1;
}

.chat-cached-history-bar {
  margin-bottom: 12px;
}

.chat-cached-history-bar .chat-prompt-history-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.chat-prompt-history-wrapper {
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.chat-prompt-history-wrapper .semantic-search-history-dropdown {
  @include qh.query-history-dropdown;
}

.input-section .textarea-wrapper textarea {
  height: 250px;
}

.input-section .textarea-wrapper textarea#chat_system_text {
  height: 50px;
}

@media (min-width: $breakpoint-tablet) {
  .input-section .textarea-wrapper textarea {
    font-size: calc(var(--font-size-base) + 2pt);
  }
}

@media (max-width: $breakpoint-mobile) {
  .input-section .textarea-wrapper textarea {
    min-height: 80px;
    max-height: none;
    height: auto;
    field-sizing: content;
  }
}