/* 自测与考核（课程侧栏「自测与考核」节点内容区）
   ---------------------------------------------------------------------------
   只用站点已有 CSS 变量，深色模式随 --color-* / --theme-primary 自动切换，
   不额外写任何 [data-mode] 覆盖，与 dark-mode.css 风格保持一致。 */

/* 登录引导卡片（.quiz-gate）已随「页面内登录检测」一并删除：
   游客权限改由章节守卫统一处理，这段样式不再需要 */

.quiz-section-head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 26px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--color-border);
}

.quiz-section-head h3 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.quiz-section-head h3 i {
    color: var(--theme-primary);
}

.quiz-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.quiz-loading {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    padding: 12px 2px;
}

.quiz-loading i {
    margin-right: 6px;
}

/* ---------- 按章自测卡片 ---------- */
.quiz-chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

.quiz-chapter-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: space-between;
}

.quiz-chapter-card.is-best {
    border-color: var(--theme-primary-border);
}

.quiz-cc-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.quiz-cc-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-primary);
}

.quiz-cc-count {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.quiz-cc-stat,
.quiz-cc-times {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 1.35em;
    line-height: 1.35;
}

.quiz-cc-times {
    color: var(--color-text-muted);
}

.quiz-cc-stat .score {
    color: var(--theme-primary);
    font-weight: 600;
}

.quiz-cc-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
    padding-top: 4px;
}

.quiz-composite-card {
    border-color: var(--theme-primary-border);
    background: linear-gradient(135deg, var(--color-bg-surface) 0%, var(--color-bg-subtle) 100%);
}

/* ---------- 按钮 ---------- */
.quiz-btn {
    border: 1px solid var(--color-border);
    background: var(--color-bg-surface);
    color: var(--color-text-primary);
    border-radius: 8px;
    padding: 6px 14px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all .18s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.quiz-btn:hover {
    border-color: var(--theme-primary-border);
    color: var(--theme-primary);
}

.quiz-btn-primary {
    background: var(--theme-primary);
    border-color: var(--theme-primary);
    color: #fff;
}

.quiz-btn-primary:hover {
    background: var(--theme-primary-dark);
    border-color: var(--theme-primary-dark);
    color: #fff;
}

.quiz-btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}

.quiz-btn-sm {
    padding: 4px 10px;
    font-size: 0.78rem;
}

/* ---------- 考核列表 ---------- */
.quiz-exam-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-exam-row {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--theme-primary);
    border-radius: 8px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.quiz-exam-row .quiz-exam-main {
    min-width: 220px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.quiz-exam-title {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.95rem;
    line-height: 1.35;
}

.quiz-exam-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.quiz-empty {
    color: var(--color-text-muted);
    font-size: 0.86rem;
    padding: 10px 2px;
}

/* 顶部横幅描述：强制单行显示 */
.quiz-banner-line {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* ---------- 分析题：项目背景 + 架构图 + 填空 ---------- */
.quiz-case {
    display: block;
}

.quiz-case-bg {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--color-bg-subtle);
    border-left: 3px solid var(--theme-primary);
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    line-height: 1.75;
}

.quiz-case-bg i {
    color: var(--theme-primary);
    flex: 0 0 auto;
    margin-top: 3px;
}

.quiz-case-task {
    margin: 10px 0 6px;
    font-size: 0.9rem;
    color: var(--color-text-primary);
}

.quiz-case ol,
.quiz-case ul {
    margin: 0 0 4px;
    padding-left: 22px;
    font-size: 0.88rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.quiz-case p {
    margin: 0 0 6px;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.quiz-fig {
    margin: 12px 0 6px;
    max-width: 100%;
}

.quiz-fig-cap {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 8px;
}

.quiz-blanks {
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-subtle);
}

.quiz-blank-head {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.quiz-blank-head i {
    color: var(--theme-primary);
}

.quiz-blank-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.quiz-blank-no {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    border-radius: 50%;
    background: var(--theme-primary);
    color: #fff;
    font-size: 0.78rem;
}

.quiz-blank-label {
    flex: 0 0 108px;
    font-size: 0.84rem;
    color: var(--color-text-secondary);
}

.quiz-blank-input {
    flex: 1 1 auto;
    min-height: 34px;
}

.quiz-blank-text {
    margin-top: 12px;
}

.quiz-blank-text .quiz-text {
    min-height: 120px;
}

@media (max-width: 575.98px) {
    .quiz-blank-label {
        flex: 0 0 76px;
        font-size: 0.78rem;
    }
}

/* ---------- 报告：得分点命中明细 ---------- */
.quiz-point-list {
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
}

.quiz-point-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.84rem;
    line-height: 1.6;
    margin-bottom: 5px;
    background: var(--color-bg-subtle);
    border-left: 3px solid var(--color-border);
}

.quiz-point-item.hit {
    border-left-color: var(--color-success-border, #86efac);
    background: var(--color-success-bg, rgba(21, 128, 61, .08));
}

.quiz-point-item.miss {
    border-left-color: var(--color-danger-border, #fca5a5);
    background: var(--color-danger-bg, rgba(226, 75, 74, .08));
}

.quiz-point-flag {
    flex: 0 0 auto;
    font-size: 0.8rem;
}

.quiz-point-item.hit .quiz-point-flag {
    color: var(--color-success-text, #15803d);
}

.quiz-point-item.miss .quiz-point-flag {
    color: var(--color-danger-text, #e24b4a);
}

/* ---------- 我的成绩 ---------- */
.quiz-mine {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.quiz-mine-tip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 10px;
    background: var(--color-bg-subtle);
    border: 1px dashed var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    line-height: 1.7;
}

.quiz-mine-tip i {
    color: var(--theme-primary);
    font-size: 1.1rem;
    flex: 0 0 auto;
}

.quiz-mine-tip-text {
    display: inline;
}

.quiz-mine-tip-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ---------- 考核/主观题提交后评分中状态 ---------- */
.quiz-result-pending {
    justify-content: center;
    text-align: center;
    background: var(--color-bg-subtle);
}

.quiz-result-pending-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    color: var(--color-text-secondary);
}

.quiz-result-pending-text i {
    color: var(--theme-primary);
    font-size: 1rem;
}

.quiz-mine-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 14px;
    border: 1px solid var(--color-border-muted);
    border-radius: 8px;
    background: var(--color-bg-subtle);
    font-size: 0.86rem;
}

.quiz-mine-title {
    color: var(--color-text-primary);
}

.quiz-mine-meta {
    color: var(--color-text-muted);
    font-size: 0.78rem;
    margin-left: 8px;
}

.quiz-mine-score {
    color: var(--theme-primary);
    font-weight: 600;
    white-space: nowrap;
}

/* ---------- 答题区 ---------- */
.quiz-runner {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 18px 20px;
    margin-top: 8px;
}

.quiz-runner-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--color-border);
    flex-wrap: wrap;
}

.quiz-runner-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.quiz-runner-sub {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.quiz-timer {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-subtle);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

.quiz-text {
    width: 100%;
    min-height: 38px;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg-page);
    color: var(--color-text-primary);
    font-size: 0.88rem;
    line-height: 1.5;
    resize: vertical;
}

.quiz-text:focus {
    outline: none;
    border-color: var(--theme-primary);
}

textarea.quiz-text {
    min-height: 90px;
}

.quiz-status {
    display: inline-block;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    padding: 0 5px;
    margin-left: 6px;
}

.quiz-q {
    padding: 14px 0;
    border-bottom: 1px dashed var(--color-border-muted);
}

.quiz-q:last-child {
    border-bottom: none;
}

.quiz-q-stem {
    font-size: 0.92rem;
    color: var(--color-text-primary);
    line-height: 1.7;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.quiz-q-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 22px;
    padding: 0 4px;
    background: var(--theme-primary-bg);
    color: var(--theme-primary);
    border-radius: 4px;
    font-size: 0.78rem;
    box-sizing: border-box;
}

.quiz-q-type {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    padding: 0 6px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    box-sizing: border-box;
}

.quiz-q-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    padding: 0 6px;
    font-size: 0.72rem;
    color: var(--theme-primary);
    background: var(--theme-primary-bg);
    border: 1px solid var(--theme-primary-border);
    border-radius: 3px;
    font-weight: 500;
    box-sizing: border-box;
}

/* 题干中可能出现的块级内容（分析题 SVG/代码段/段落等）需要独占一行 */
.quiz-q-stem > div,
.quiz-q-stem > svg,
.quiz-q-stem > pre,
.quiz-q-stem > p,
.quiz-q-stem > table,
.quiz-q-stem > ul,
.quiz-q-stem > ol,
.quiz-q-stem > blockquote,
.quiz-q-stem > figure,
.quiz-q-stem > hr,
.quiz-q-stem > h1,
.quiz-q-stem > h2,
.quiz-q-stem > h3,
.quiz-q-stem > h4,
.quiz-q-stem > h5,
.quiz-q-stem > h6,
.quiz-exam-stem > div,
.quiz-exam-stem > svg,
.quiz-exam-stem > pre,
.quiz-exam-stem > p,
.quiz-exam-stem > table,
.quiz-exam-stem > ul,
.quiz-exam-stem > ol,
.quiz-exam-stem > blockquote,
.quiz-exam-stem > figure,
.quiz-exam-stem > hr,
.quiz-exam-stem > h1,
.quiz-exam-stem > h2,
.quiz-exam-stem > h3,
.quiz-exam-stem > h4,
.quiz-exam-stem > h5,
.quiz-exam-stem > h6 {
    flex: 0 0 100%;
}

.quiz-opt {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    transition: background .15s ease;
}

.quiz-opt:hover {
    background: var(--color-bg-hover);
}

.quiz-opt input {
    margin-top: 4px;
}

.quiz-opt.is-picked {
    color: var(--theme-primary);
    font-weight: 500;
}

.quiz-opt.is-right {
    color: var(--color-success-text);
    background: var(--color-success-bg);
}

.quiz-opt.is-wrong {
    color: var(--color-danger-text);
    background: var(--color-danger-bg);
}

.quiz-runner-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 14px;
    flex-wrap: wrap;
}

.quiz-progress {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* ---------- 结果 ---------- */
.quiz-result {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
}

.quiz-result-score {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--theme-primary);
    line-height: 1;
}

.quiz-result-score small {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-left: 4px;
}

.quiz-result-line {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.quiz-analysis {
    margin-top: 10px;
    font-size: 0.84rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-subtle);
    border-left: 3px solid var(--theme-primary);
    border-radius: 6px;
    padding: 8px 12px;
    line-height: 1.7;
}

.quiz-flag {
    font-size: 0.76rem;
    border-radius: 4px;
    padding: 1px 6px;
    margin-left: 8px;
    border: 1px solid transparent;
}

.quiz-flag-right {
    color: var(--color-success-text);
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
}

.quiz-flag-wrong {
    color: var(--color-danger-text);
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
}

.quiz-toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--theme-primary);
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 0.86rem;
    color: var(--color-text-primary);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
    z-index: 100004;
    max-width: 320px;
}

.quiz-back {
    cursor: pointer;
    color: var(--theme-primary);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.quiz-back:hover {
    text-decoration: none;
}

.quiz-exam-links {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    font-size: 0.82rem;
}

/* ---------- 考核全屏模式 ---------- */
.quiz-exam-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-page);
    color: var(--color-text-primary);
}

.quiz-exam-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 22px;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    flex: 0 0 auto;
}

.quiz-exam-top-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.quiz-exam-top-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.quiz-exam-top-sub {
    font-size: .78rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.quiz-exam-top-sub span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.quiz-exam-sub-sep {
    color: var(--color-border);
    user-select: none;
}

.quiz-exam-top-center {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: .85rem;
}

.quiz-exam-top-right {
    flex: 0 0 auto;
}

.quiz-exam-timer {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 6px;
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    font-variant-numeric: tabular-nums;
    color: var(--color-text-secondary);
}

.quiz-exam-timer.warning {
    color: #b45309;
    background: rgba(245, 158, 11, .12);
    border-color: rgba(245, 158, 11, .35);
}

.quiz-exam-timer.danger {
    color: #e24b4a;
    background: rgba(226, 75, 74, .12);
    border-color: rgba(226, 75, 74, .35);
    animation: quiz-pulse 1s infinite;
}

@keyframes quiz-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .7; }
}

.quiz-exam-meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-secondary);
}

.quiz-exam-main {
    flex: 1;
    display: flex;
    min-height: 0;
    overflow: hidden;
}

.quiz-exam-nav {
    width: 220px;
    flex: 0 0 220px;
    background: var(--color-bg-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.quiz-exam-nav-head {
    padding: 14px 16px 10px;
    font-size: .85rem;
    font-weight: 500;
    color: var(--color-text-primary);
    border-bottom: 1px dashed var(--color-border);
}

.quiz-exam-nav-body {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 10px 14px 14px;
}

.quiz-exam-nav-body::-webkit-scrollbar {
    display: none;
}

.quiz-exam-type {
    margin-bottom: 12px;
}

.quiz-exam-type-label {
    font-size: .78rem;
    color: var(--color-text-secondary);
    margin-bottom: 7px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.quiz-exam-type-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border-muted);
}

.quiz-exam-nums {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
}

.quiz-exam-num {
    aspect-ratio: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-surface);
    color: var(--color-text-secondary);
    font-size: .78rem;
    cursor: pointer;
    transition: all .15s ease;
}

.quiz-exam-num:hover {
    border-color: var(--theme-primary);
    color: var(--theme-primary);
}

.quiz-exam-num.current {
    border-color: var(--theme-primary);
    background: var(--theme-primary-bg);
    color: var(--theme-primary);
    font-weight: 600;
}

.quiz-exam-num.answered {
    background: var(--theme-primary);
    border-color: var(--theme-primary);
    color: #fff;
}

.quiz-exam-num.answered.current {
    background: var(--theme-primary-dark);
    border-color: var(--theme-primary-dark);
}

.quiz-exam-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.quiz-exam-question {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    padding: 24px 32px;
}

.quiz-exam-question::-webkit-scrollbar {
    width: 6px;
}

.quiz-exam-question::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.quiz-exam-stem {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--color-text-primary);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.quiz-exam-stem .quiz-q-no {
    min-width: 32px;
    height: 26px;
    font-size: .85rem;
}

.quiz-exam-stem .quiz-q-type {
    font-size: .78rem;
    height: 26px;
}

.quiz-exam-stem .quiz-q-score {
    height: 26px;
    font-size: .78rem;
}

.quiz-exam-bottom {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 32px;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
}

.quiz-exam-progress {
    font-size: .85rem;
    color: var(--color-text-secondary);
}

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

.quiz-exam-actions .quiz-btn {
    padding: 7px 18px;
}

.quiz-exam-modal-mask {
    position: fixed;
    inset: 0;
    z-index: 12100;
    background: rgba(15, 23, 42, .45);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.quiz-exam-modal {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 22px 26px;
    max-width: 520px;
    width: 100%;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
}

.quiz-exam-modal h4 {
    margin: 0 0 12px;
    font-size: 1.1rem;
    color: #0f172a;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quiz-exam-modal p {
    margin: 0 0 16px;
    font-size: .9rem;
    line-height: 1.7;
    color: #334155;
}

.quiz-exam-modal ul {
    margin: 0 0 18px;
    padding-left: 18px;
    font-size: .86rem;
    line-height: 1.9;
    color: #334155;
}

.quiz-exam-modal li {
    margin-bottom: 4px;
}

.quiz-exam-modal strong {
    color: #047857;
    font-weight: 600;
}

.quiz-exam-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ---------- 防作弊：顶部违规统计 ---------- */
.quiz-exam-violations {
    margin-top: 5px;
    font-size: .76rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 5px;
    border: 1px solid transparent;
    max-width: 100%;
    flex-wrap: wrap;
}

.quiz-exam-violations.ok {
    color: var(--color-success-text, #15803d);
    background: var(--color-success-bg, rgba(21, 128, 61, .1));
    border-color: var(--color-success-border, rgba(21, 128, 61, .25));
}

.quiz-exam-violations.warn {
    color: #b45309;
    background: rgba(245, 158, 11, .12);
    border-color: rgba(245, 158, 11, .32);
}

.quiz-exam-violations.danger {
    color: #e24b4a;
    background: rgba(226, 75, 74, .12);
    border-color: rgba(226, 75, 74, .35);
    font-weight: 600;
}

/* ---------- 防作弊：违规阻断遮罩 ---------- */
.quiz-violation-mask {
    position: fixed;
    inset: 0;
    z-index: 12200;
    background: var(--color-bg-page, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.quiz-violation-box {
    background: var(--color-bg-card, #fff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 14px;
    padding: 30px 34px;
    max-width: 460px;
    width: 100%;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
}

.quiz-violation-icon {
    font-size: 2.2rem;
    color: #e24b4a;
    margin-bottom: 10px;
}

.quiz-violation-box h4 {
    margin: 0 0 10px;
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

.quiz-violation-reason {
    margin: 0 0 8px;
    font-size: .88rem;
    color: var(--color-text-secondary);
}

.quiz-violation-count {
    margin: 0 0 20px;
    font-size: .86rem;
    color: var(--color-text-secondary);
}

.quiz-violation-count strong {
    color: #e24b4a;
    font-size: 1.05rem;
}

.quiz-violation-note {
    margin: 14px 0 0;
    font-size: .78rem;
    color: var(--color-text-muted);
}

/* ---------- 报告中的防作弊记录 ---------- */
.quiz-cheat-summary {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 9px 14px;
    border-radius: 8px;
    font-size: .84rem;
    color: var(--color-success-text, #15803d);
    background: var(--color-success-bg, rgba(21, 128, 61, .1));
    border: 1px solid var(--color-success-border, rgba(21, 128, 61, .25));
}

.quiz-cheat-summary.has {
    color: #b45309;
    background: rgba(245, 158, 11, .1);
    border-color: rgba(245, 158, 11, .3);
}

/* ---------- 自动交卷提示 ---------- */
.quiz-result-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: .86rem;
    line-height: 1.6;
    color: #e24b4a;
    background: rgba(226, 75, 74, .1);
    border: 1px solid rgba(226, 75, 74, .3);
}

/* ---------- 交卷后的报告引导（报告已迁到用户后台） ---------- */
.quiz-result-tip {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--color-bg-page, #f1f5f9);
    border: 1px dashed var(--color-border, #cbd5e1);
}

.quiz-result-tip-text {
    flex: 1 1 220px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .84rem;
    line-height: 1.6;
    color: var(--color-text-secondary, #475569);
}

.quiz-result-tip-text i {
    flex: 0 0 auto;
    color: var(--theme-primary, #2db48a);
    font-size: 1rem;
}

@media (max-width: 767.98px) {
    .quiz-result-tip {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 767.98px) {
    .quiz-exam-nav {
        display: none;
    }

    .quiz-exam-top {
        flex-wrap: wrap;
        padding: 10px 14px;
    }

    .quiz-exam-top-center {
        order: 3;
        width: 100%;
        justify-content: space-between;
    }

    .quiz-exam-question {
        padding: 16px;
    }

    .quiz-exam-bottom {
        padding: 12px 16px;
    }
}