/*
 * 手机端传统 CSS 兼容层，不经过 Tailwind/PostCSS。
 * 供不支持 Tailwind 4 CSS layers 的旧版 Android 浏览器使用。
 */

@media (max-width: 767px) {
  /* 答题页采用固定头部、弹性选项、固定操作区。 */
  .question-screen {
    box-sizing: border-box;
    display: flex;
    min-height: 0 !important;
    flex: 1 1 auto;
    overflow: hidden;
    padding: 7px 10px 8px !important;
  }

  .question-container {
    display: flex;
    width: 100%;
    height: 100%;
    min-height: 0;
    flex-direction: column;
  }

  .question-progress-row {
    box-sizing: border-box;
    display: flex;
    height: 28px;
    margin: 0 0 6px !important;
    flex: 0 0 28px;
    align-items: center;
  }

  .question-progress-label {
    width: 59px !important;
    margin-right: 10px;
    flex: 0 0 59px;
    color: #42181b;
    font-size: 15px !important;
    font-weight: 900;
    line-height: 1;
    white-space: nowrap;
  }

  .question-progress-track {
    position: relative;
    display: block;
    height: 5px !important;
    flex: 1 1 auto;
    overflow: hidden;
    border-radius: 999px;
    background: #fff0e8;
  }

  .question-progress-fill {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: #ff625d;
  }

  .question-form {
    box-sizing: border-box;
    display: flex;
    min-height: 0;
    margin: 0;
    flex: 1 1 auto;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid #f0d9cf;
    border-radius: 16px !important;
    padding: 10px !important;
    background: #fffefd;
    box-shadow: 0 10px 28px rgba(93, 46, 51, 0.07);
  }

  .question-fieldset {
    display: flex;
    width: 100%;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 0;
    flex: 1 1 auto;
    flex-direction: column;
    border: 0;
  }

  .question-prompt {
    display: block;
    width: 100%;
    max-width: none !important;
    max-height: 4.9em;
    margin: 0;
    flex: 0 0 auto;
    overflow: hidden;
    color: #42181b;
    font-size: 18px !important;
    font-size: clamp(16px, 4.8vw, 19px) !important;
    font-weight: 900;
    letter-spacing: -0.015em;
    line-height: 1.28 !important;
  }

  .question-options {
    display: flex !important;
    min-height: 0;
    margin: 7px 0 0 !important;
    flex: 1 1 auto;
    flex-direction: column;
  }

  .question-option {
    position: relative;
    box-sizing: border-box;
    display: flex !important;
    min-height: 0 !important;
    margin: 0 !important;
    flex: 1 1 0;
    align-items: center;
    overflow: hidden;
    border: 1px solid #f0d9cf !important;
    border-radius: 12px !important;
    padding: 6px 36px 6px 8px !important;
    background: #fffaf6 !important;
    color: #42181b;
    font-size: 14px !important;
    font-size: clamp(12.5px, 3.7vw, 14.5px) !important;
    font-weight: 600;
    line-height: 1.32 !important;
    text-align: left;
  }

  .question-option + .question-option {
    margin-top: 5px !important;
  }

  .question-option[data-selected="true"] {
    border-color: #ff625d !important;
    background: #fff0e8 !important;
    box-shadow: 0 5px 14px rgba(255, 98, 93, 0.1);
  }

  .question-option-control {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
  }

  .question-option-letter {
    box-sizing: border-box;
    display: flex !important;
    width: 24px !important;
    height: 24px !important;
    flex: 0 0 24px;
    align-items: center;
    justify-content: center;
    border: 1px solid #e8cfc6 !important;
    border-radius: 8px !important;
    background: #fffefd;
    color: #80615d;
    font-size: 11px !important;
    font-weight: 900;
    line-height: 1;
  }

  .question-option[data-selected="true"] .question-option-letter {
    border-color: #ff625d !important;
    background: #ff625d;
    color: #ffffff;
  }

  .question-option-label {
    display: block;
    width: auto;
    min-width: 0;
    margin-left: 8px !important;
    max-height: 4em;
    flex: 1 1 auto;
    overflow: hidden;
  }

  .question-option-indicator {
    position: absolute !important;
    top: 50% !important;
    right: 10px !important;
    box-sizing: border-box;
    display: flex !important;
    width: 22px !important;
    height: 22px !important;
    align-items: center;
    justify-content: center;
    border: 1px solid #e8cfc6 !important;
    border-radius: 50%;
    background: #fffefd;
    color: #ffffff;
    transform: translateY(-50%) !important;
  }

  .question-option[data-selected="true"] .question-option-indicator {
    border-color: #ff625d !important;
    background: #ff625d;
  }

  .question-option-indicator svg {
    width: 15px;
    height: 15px;
  }

  .question-options[data-option-count="5"] .question-option {
    padding-top: 4px !important;
    padding-bottom: 4px !important;
    font-size: 12px !important;
    font-size: clamp(11.5px, 3.35vw, 13.5px) !important;
    line-height: 1.25 !important;
  }

  .question-options[data-option-count="5"] .question-option-letter {
    width: 21px !important;
    height: 21px !important;
    flex-basis: 21px;
    border-radius: 7px !important;
    font-size: 10px !important;
  }

  .question-options[data-option-count="5"] .question-option + .question-option {
    margin-top: 4px !important;
  }

  .question-storage-warning {
    box-sizing: border-box;
    max-height: 32px;
    margin: 5px 0 0 !important;
    overflow: hidden;
    border-radius: 8px;
    padding: 4px 7px !important;
    background: #fff4df;
    color: #6c3d1f;
    font-size: 10px !important;
    line-height: 1.25 !important;
  }

  .question-actions {
    box-sizing: border-box;
    display: flex;
    height: 44px;
    margin: 6px 0 0 !important;
    flex: 0 0 44px;
    align-items: flex-end;
    justify-content: space-between;
    border-top: 1px solid #f0d9cf;
    padding: 6px 0 0 !important;
  }

  .question-actions [data-slot="button"] {
    min-width: 96px;
    min-height: 37px;
    height: 37px !important;
    padding: 0 16px;
  }

}

/* 较矮的电脑浏览器也保持 App 式一屏答题。 */
@media (min-width: 768px) and (max-height: 820px) {
  .assessment-app-shell[data-screen="question"] {
    display: flex;
    height: 100vh;
    height: var(--app-height, 100vh);
    min-height: 0 !important;
    flex-direction: column;
    overflow: hidden;
  }

  .assessment-app-shell[data-screen="question"] .brand-header {
    height: 56px;
    flex: 0 0 56px;
  }

  .assessment-app-shell[data-screen="question"] .brand-header-inner {
    height: 56px !important;
  }

  .question-screen {
    box-sizing: border-box;
    display: flex;
    min-height: 0 !important;
    flex: 1 1 auto;
    overflow: hidden;
    padding: 10px 24px 12px !important;
  }

  .question-container {
    display: flex;
    width: 100%;
    height: 100%;
    min-height: 0;
    flex-direction: column;
  }

  .question-progress-row {
    box-sizing: border-box;
    display: flex;
    height: 24px;
    margin: 0 0 8px !important;
    flex: 0 0 24px;
    align-items: center;
  }

  .question-progress-label {
    font-size: 16px !important;
  }

  .question-progress-track {
    height: 5px !important;
  }

  .question-form {
    box-sizing: border-box;
    display: flex;
    min-height: 0;
    flex: 1 1 auto;
    flex-direction: column;
    overflow: hidden;
    padding: 16px 20px !important;
  }

  .question-fieldset {
    display: flex;
    width: 100%;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 0;
    flex: 1 1 auto;
    flex-direction: column;
    border: 0;
  }

  .question-prompt {
    display: block;
    width: 100%;
    margin: 0;
    flex: 0 0 auto;
    font-size: 22px !important;
    line-height: 1.25 !important;
  }

  .question-options {
    display: flex !important;
    min-height: 0;
    margin: 10px 0 0 !important;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 7px !important;
  }

  .question-option {
    box-sizing: border-box;
    min-height: 48px !important;
    max-height: 88px;
    margin: 0 !important;
    flex: 1 1 0;
    padding: 7px 44px 7px 14px !important;
    line-height: 1.35 !important;
  }

  .question-options[data-option-count="5"] .question-option {
    max-height: 72px;
  }

  .question-storage-warning {
    box-sizing: border-box;
    max-height: 30px;
    margin: 6px 0 0 !important;
    overflow: hidden;
    padding: 4px 8px !important;
    font-size: 11px !important;
    line-height: 1.3 !important;
  }

  .question-actions {
    box-sizing: border-box;
    display: flex;
    height: 48px;
    margin: 8px 0 0 !important;
    flex: 0 0 48px;
    align-items: flex-end;
    padding: 7px 0 0 !important;
  }

  .question-actions [data-slot="button"] {
    min-width: 104px;
    min-height: 40px;
    height: 40px !important;
  }
}