/* ==========================================================
   MBTI 职业性格测试 —— 页面样式
   复用 css/styles.css 的配色变量与导航/页脚，仅扩展测试页自身
   ========================================================== */

/* ---------- 移动端基线 ----------
   页面用了 viewport-fit=cover，等于跟浏览器说「我自己的边距我自己负责」：
   状态栏、刘海、灵动岛、底部手势条全部改成内容区。
   所以这里先把安全区尺寸提成变量，下面每处需要避让的地方统一引用。
   非全面屏设备上这几个 env() 都是 0，没有副作用。 */
:root {
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}

/* 点按不要系统灰块；按钮/链接不做双击缩放判定，点下去就是点下去 */
body {
    -webkit-tap-highlight-color: transparent;
}

button,
a,
.mbti-choice,
.mbti-entry,
.mbti-history-main {
    touch-action: manipulation;
}

/* 顶部导航整体多让出一条状态栏高度（含移动端展开的菜单） */
.navbar {
    height: calc(var(--navbar-height) + var(--safe-top));
}

.navbar-container {
    padding-top: var(--safe-top);
}

/* 页脚底部避开 Home 指示条 */
.footer {
    padding-bottom: calc(var(--space-lg) + var(--safe-bottom));
}

.mbti-page {
    padding-top: calc(var(--navbar-height) + var(--safe-top));
    min-height: 100vh;
    min-height: 100dvh;
    position: relative;
    /* 开场页的光晕会往左右各溢出 100px，所以这里必须裁一下。
       但要用 clip 而不是 hidden —— 按规范，某一轴设为 hidden 时，另一轴的
       visible 会被计算成 auto，.mbti-page 于是自己也变成滚动容器，
       页面右侧就同时挂着「文档滚动条」和「页面自己的滚动条」，看着像两条滑杠。
       clip 只裁切、不生成滚动容器，正是这里想要的。
       第一条 hidden 是给不认 clip 的老浏览器的兜底。 */
    overflow-x: hidden;
    overflow-x: clip;
}

/* ==================== 通用按钮 ==================== */
.mbti-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: var(--radius-full);
    font-size: 16px;
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    transition: transform var(--transition-fast), box-shadow var(--transition-normal), background var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}

.mbti-btn svg {
    width: 18px;
    height: 18px;
}

.mbti-btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 8px 26px rgba(79, 142, 247, 0.35);
}

/* 悬停态只在真有鼠标的设备上生效。
   触屏点完一下，iOS 会把 :hover 一直粘在这个元素上，
   按钮就会「卡」在悬停位移/高亮里，看起来像没点动。 */
@media (hover: hover) {
    .mbti-btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 34px rgba(79, 142, 247, 0.5);
    }
}

.mbti-btn-ghost {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-primary);
}

@media (hover: hover) {
    .mbti-btn-ghost:hover {
        border-color: rgba(79, 142, 247, 0.6);
        color: var(--primary);
        transform: translateY(-2px);
    }
}

/* 触屏靠按压反馈表态，压下去要有「按到了」的实感 */
.mbti-btn:active {
    transform: scale(0.97);
}

.mbti-icon-btn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.mbti-icon-btn svg {
    width: 18px;
    height: 18px;
}

@media (hover: hover) {
    .mbti-icon-btn:hover {
        color: var(--text-primary);
        background: var(--bg-card-hover);
        border-color: var(--border);
    }
}

.mbti-icon-btn:active {
    background: var(--bg-card-hover);
    border-color: var(--border);
    color: var(--text-primary);
}

/* 答题中途点「退出」：第一下只待命，按钮变警示色提示「再点一次」 */
.mbti-icon-btn.is-armed {
    color: var(--accent);
    background: rgba(255, 107, 53, 0.14);
    border-color: rgba(255, 107, 53, 0.45);
}

.mbti-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.mbti-link-btn svg {
    width: 15px;
    height: 15px;
}

@media (hover: hover) {
    .mbti-link-btn:hover:not(:disabled) {
        color: var(--primary);
        background: rgba(79, 142, 247, 0.1);
    }
}

.mbti-link-btn:active:not(:disabled) {
    color: var(--primary);
    background: rgba(79, 142, 247, 0.1);
}

.mbti-link-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ==================== 一、开场区 ==================== */
.mbti-intro {
    position: relative;
    padding: var(--space-xl) var(--space-md) var(--space-2xl);
    /* 这里不能用 overflow: hidden —— 开场页顶部的留白（导航栏那 70px）是
       .mbti-page 的 padding 撑出来的，一旦裁切，最上面那颗光晕就会在 y=70
       处被齐齐切断，导航栏底下会多出一条很硬的横线。
       横向溢出交给 .mbti-page 的 overflow-x: hidden 去兜。 */
    overflow: visible;
}

.mbti-intro-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.mbti-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.mbti-orb-1 {
    width: 420px;
    height: 420px;
    background: rgba(79, 142, 247, 0.45);
    top: -140px;
    left: -80px;
}

.mbti-orb-2 {
    width: 340px;
    height: 340px;
    background: rgba(245, 166, 35, 0.32);
    top: 60px;
    right: -100px;
}

.mbti-orb-3 {
    width: 300px;
    height: 300px;
    background: rgba(255, 107, 53, 0.22);
    bottom: -120px;
    left: 45%;
}

.mbti-intro-inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.mbti-intro-title {
    margin: 22px 0 10px;
    font-size: clamp(34px, 6vw, 58px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0.5px;
}

.mbti-intro-title > span:first-child {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mbti-title-accent {
    display: block;
    font-size: 0.62em;
    margin-top: 8px;
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: 3px;
}

.mbti-intro-sub {
    font-size: 17px;
    color: var(--secondary);
    letter-spacing: 1px;
    margin-bottom: 18px;
}

.mbti-intro-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    max-width: 640px;
    margin: 0 auto;
}

.mbti-intro-desc b {
    color: var(--text-primary);
    font-weight: 500;
}

/* 开场页：两种作答方式的一句话说明 */
.mbti-intro-modes {
    max-width: 640px;
    margin: 14px auto 0;
    padding: 14px 18px;
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--text-secondary);
    text-align: left;
    background: rgba(79, 142, 247, 0.06);
    border: 1px solid rgba(79, 142, 247, 0.2);
    border-radius: var(--radius-md);
}

.mbti-intro-modes b {
    color: var(--text-primary);
    font-weight: 600;
}

.mbti-notice {
    margin: 34px auto 0;
    padding: 22px 26px 22px 42px;
    text-align: left;
    background: rgba(22, 27, 34, 0.75);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    position: relative;
}

.mbti-notice::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 3px;
    background: var(--gradient-primary);
}

.mbti-notice-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.mbti-notice ol {
    list-style: none;
    counter-reset: notice;
    display: grid;
    gap: 10px;
}

.mbti-notice li {
    position: relative;
    padding-left: 26px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
    counter-increment: notice;
}

.mbti-notice li::before {
    content: counter(notice);
    position: absolute;
    left: 0;
    top: 3px;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    background: rgba(79, 142, 247, 0.16);
    color: var(--primary);
    font-size: 11px;
    line-height: 17px;
    text-align: center;
}

.mbti-intro-actions {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

/* 存档入口：常驻开场页，只在「有记录 / 没记录」之间切换状态 */
.mbti-entries {
    margin-top: 18px;
    display: grid;
    /* 入口可能有三张（继续上次 / 历史记录 / 按编号查询），
       用 auto-fit 让它在窄屏自动落成单列，宽屏并排 */
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

.mbti-entry {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    text-align: left;
    background: rgba(22, 27, 34, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), background var(--transition-fast),
                transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.mbti-entry:not(:disabled) {
    border-color: rgba(79, 142, 247, 0.42);
    background: rgba(79, 142, 247, 0.09);
    cursor: pointer;
}

@media (hover: hover) {
    .mbti-entry:not(:disabled):hover {
        transform: translateY(-2px);
        border-color: rgba(79, 142, 247, 0.85);
        box-shadow: 0 8px 24px rgba(79, 142, 247, 0.18);
    }
}

.mbti-entry:not(:disabled):active {
    border-color: rgba(79, 142, 247, 0.85);
    background: rgba(79, 142, 247, 0.16);
}

.mbti-entry:disabled {
    opacity: 0.52;
    cursor: not-allowed;
}

.mbti-entry-icon {
    flex: none;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: rgba(79, 142, 247, 0.15);
    color: var(--primary);
}

.mbti-entry:disabled .mbti-entry-icon {
    background: rgba(139, 148, 158, 0.12);
    color: var(--text-secondary);
}

.mbti-entry-icon svg {
    width: 19px;
    height: 19px;
}

.mbti-entry-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.mbti-entry-text b {
    font-size: 14px;
    font-weight: 600;
}

/* 说明文字允许折到两行。
   原来写的是 nowrap + 省略号，一句话被硬切一半，用户根本读不完 ——
   「换台设备也能把结果调出来」这种关键信息恰好会被切掉。 */
.mbti-entry-text i {
    font-style: normal;
    font-size: 12px;
    line-height: 1.55;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
}

.mbti-intro-facts {
    list-style: none;
    margin-top: 44px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.mbti-intro-facts li {
    padding: 16px 8px;
    background: rgba(22, 27, 34, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mbti-intro-facts b {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Inter', sans-serif;
}

.mbti-intro-facts i {
    font-style: normal;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ==================== 二、聊天答题区 ==================== */
.mbti-chat {
    padding: 20px var(--space-md) 40px;
}

/* 答题中：锁住整页滚动，让聊天区独占导航栏以下的全部可视高度。
   这样无论手机还是电脑，题目与选项都稳定落在视口内，不会被页面滚动切掉。 */
/* mbti-locked：答题中锁页面滚动
   mbti-modal-open：分享图 / 历史记录弹窗打开时锁页面滚动，避免滚动穿透 */
body.mbti-locked,
body.mbti-modal-open {
    overflow: hidden;
}

body.mbti-locked .mbti-chat {
    position: fixed;
    /* 这里的导航高度要和 .navbar 的实际高度一致（含状态栏让位），
       否则刘海里那 44px 会被聊天区压住 */
    top: calc(var(--navbar-height) + var(--safe-top));
    left: 0;
    right: 0;
    height: calc(100vh - var(--navbar-height) - var(--safe-top));
    height: calc(100dvh - var(--navbar-height) - var(--safe-top));
    z-index: 30;
    padding: 14px var(--space-md) 16px;
    background: var(--bg-dark);
}

/* 移动端沉浸模式：进入答题、看结果时把顶部导航整条收起来。
   手机上这两步都是「专心做一件事」，导航让出 64px 高度比留着更有价值；
   开场页不收起，用户仍能从导航去别的工具页。 */
@media (max-width: 768px) {
    body.mbti-immersive .navbar {
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
    }

    /* 导航收起来后，顶部只剩状态栏需要避让 */
    body.mbti-immersive .mbti-page {
        padding-top: var(--safe-top);
    }

    body.mbti-immersive.mbti-locked .mbti-chat {
        top: 0;
        height: 100vh;
        height: 100dvh;
        padding-top: var(--safe-top);
    }

    /* 汉堡菜单是 fixed 的，导航栏长高之后它也得跟着往下挪，
       否则菜单会顶到状态栏里去 */
    .nav-links {
        top: calc(var(--navbar-height) + var(--safe-top));
        max-height: calc(100dvh - var(--navbar-height) - var(--safe-top));
    }
}

.mbti-chat-shell {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    height: 100%;
    max-height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(22, 27, 34, 0.96), rgba(13, 17, 23, 0.96));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.mbti-chat-head {
    flex: none;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(13, 17, 23, 0.68);
    backdrop-filter: blur(8px);
}

.mbti-chat-user {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.mbti-avatar {
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.15);
}

.mbti-avatar svg {
    width: 20px;
    height: 20px;
}

.mbti-chat-user-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.mbti-chat-user-text strong {
    font-size: 14px;
    font-weight: 600;
}

.mbti-chat-user-text small {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mbti-progress {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.mbti-progress-track {
    flex: 1;
    height: 6px;
    border-radius: 999px;
    background: rgba(48, 54, 61, 0.9);
    overflow: hidden;
}

.mbti-progress-fill {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: var(--gradient-primary);
    transition: width 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mbti-progress-text {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
}

.mbti-progress-text b {
    color: var(--primary);
    font-size: 14px;
}

/* 消息流：占满头部与选项区之间的空间，只有这里滚动 */
/* 内容来源声明条：一直贴在答题区顶部，AI 模式更醒目一点 */
.mbti-gen-bar {
    flex: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
    background: rgba(22, 27, 34, 0.9);
    border-bottom: 1px solid var(--border);
}

.mbti-gen-bar[hidden] {
    display: none;
}

.mbti-gen-bar.is-ai {
    color: var(--primary);
    background: rgba(79, 142, 247, 0.09);
    border-bottom-color: rgba(79, 142, 247, 0.28);
}

.mbti-gen-logo {
    flex: none;
    width: 22px;
    height: 22px;
    object-fit: contain;
    border-radius: 6px;
    background: #FFFFFF;
}

/* 经典原版不涉及 AI，那张 logo 就没必要占位置 */
.mbti-gen-bar:not(.is-ai) .mbti-gen-logo {
    display: none;
}

.mbti-gen-text {
    min-width: 0;
}

.mbti-stream {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 20px 18px 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mbti-stream::-webkit-scrollbar {
    width: 8px;
}

.mbti-stream::-webkit-scrollbar-thumb {
    background: rgba(48, 54, 61, 0.9);
    border-radius: 999px;
}

.mbti-stream::-webkit-scrollbar-track {
    background: transparent;
}

.mbti-msg {
    display: flex;
    gap: 10px;
    max-width: 100%;
    animation: mbti-in 380ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mbti-msg.is-user {
    flex-direction: row-reverse;
}

@keyframes mbti-in {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.mbti-msg-avatar {
    flex: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(79, 142, 247, 0.16);
    border: 1px solid rgba(79, 142, 247, 0.28);
    color: var(--primary);
}

.mbti-msg-avatar svg {
    width: 17px;
    height: 17px;
}

/* AI 场景版：出题的是 DeepSeek，头像就换成它的标。
   logo 本身是白底方图，裁进圆形容器里正好当一个 app 图标。 */
.mbti-avatar.is-ai,
.mbti-msg-avatar.is-ai {
    background: #FFFFFF;
    border-color: rgba(79, 142, 247, 0.35);
    overflow: hidden;
}

.mbti-avatar.is-ai {
    box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.22);
}

.mbti-avatar.is-ai img,
.mbti-msg-avatar.is-ai img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: inherit;
}

.mbti-msg-avatar.is-ai {
    color: inherit;
}

.mbti-bubble {
    max-width: min(78%, 560px);
    padding: 13px 17px;
    border-radius: 16px 16px 16px 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-primary);
    word-break: break-word;
}

.mbti-msg.is-user .mbti-bubble {
    border-radius: 16px 16px 4px 16px;
    background: linear-gradient(135deg, rgba(79, 142, 247, 0.26), rgba(245, 166, 35, 0.16));
    border-color: rgba(79, 142, 247, 0.42);
}

.mbti-bubble-q {
    font-size: 16px;
    font-weight: 500;
}

.mbti-bubble-index {
    display: inline-block;
    margin-bottom: 6px;
    font-size: 11px;
    font-family: 'Inter', sans-serif;
    letter-spacing: 1px;
    color: var(--primary);
    background: rgba(79, 142, 247, 0.12);
    border-radius: 999px;
    padding: 2px 9px;
}

.mbti-bubble-pick {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mbti-bubble-pick b {
    font-weight: 500;
}

.mbti-bubble-pick i {
    font-style: normal;
    font-size: 11px;
    font-family: 'Inter', sans-serif;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1px 6px;
}

/* 系统分段提示 */
.mbti-msg-system {
    align-self: center;
    max-width: 92%;
    text-align: center;
    padding: 10px 20px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(22, 27, 34, 0.7);
    border: 1px dashed var(--border);
    border-radius: var(--radius-full);
    animation: mbti-in 380ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mbti-msg-system b {
    color: var(--secondary);
    font-weight: 600;
    margin-right: 6px;
}

/* 恢复历史时是批量铺旧消息，不逐条播动画 */
.mbti-msg.is-quiet,
.mbti-msg-system.is-quiet {
    animation: none;
}

/* 打字指示 */
.mbti-typing {
    display: inline-flex;
    gap: 5px;
    align-items: center;
    padding: 4px 2px;
}

.mbti-typing i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: mbti-typing 1.1s infinite ease-in-out;
}

.mbti-typing i:nth-child(2) {
    animation-delay: 0.15s;
}

.mbti-typing i:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes mbti-typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* ==================== 选项弹窗（从底部滑入） ====================
   注意：它排在消息流下方、参与布局，而不是浮在消息之上，
   因此题目气泡永远不会被它盖住。 */
.mbti-sheet {
    flex: none;
    position: relative;
    z-index: 6;
    /* 底部避让 iPhone 的 Home 指示条，否则「上一题」会被压在横条下面 */
    padding: 0 16px calc(16px + var(--safe-bottom));
    opacity: 0;
    transform: translateY(22px);
    pointer-events: none;
    transition: opacity 260ms ease, transform 340ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mbti-sheet[hidden] {
    display: none;
}

.mbti-sheet.is-open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

/* 面板顶部用一层渐变把「消息流」自然收口 */
.mbti-sheet::before {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    top: -28px;
    height: 28px;
    background: linear-gradient(180deg, rgba(13, 17, 23, 0), rgba(13, 17, 23, 0.85));
    pointer-events: none;
}

.mbti-sheet-panel {
    display: flex;
    flex-direction: column;
    background: rgba(16, 21, 28, 0.96);
    border: 1px solid rgba(79, 142, 247, 0.3);
    border-radius: var(--radius-md);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(14px);
    padding: 14px 16px 10px;
    /* 选项再多也不超过这个高度，保证题干始终留在视野里；
       AI 场景版是两段文字 + 四个档位按钮，比二选一高一截，所以留得宽松些 */
    max-height: min(58vh, 460px);
    /* 面板本身不滚，交给下面那条 .mbti-sheet-body ——
       否则小屏上「上一题」会被一起滚出屏幕 */
    overflow: hidden;
}

/* 只有选项列表滚动，标题与底部按钮钉在面板两端 */
.mbti-sheet-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.mbti-sheet-body::-webkit-scrollbar {
    width: 6px;
}

.mbti-sheet-body::-webkit-scrollbar-thumb {
    background: rgba(48, 54, 61, 0.9);
    border-radius: 999px;
}

.mbti-sheet-head {
    flex: none;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.mbti-sheet-head span {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.mbti-sheet-head small {
    font-size: 11px;
    color: var(--text-secondary);
}

/* 窄屏放不下「标题 + 说明」并排时改成上下两行，
   AI 场景版的说明文字比经典原版长，不折行会挤成一团 */
@media (max-width: 560px) {
    .mbti-sheet-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
    }

    .mbti-sheet-head span {
        font-size: 13.5px;
    }

    .mbti-sheet-head small {
        font-size: 11.5px;
    }
}

.mbti-choice-list {
    display: grid;
    gap: 10px;
}

/* 选项卡片。两种模式共用这一层外壳：
   · AI 场景版：卡片里上半部分是选项本身，下半部分是「非常符合 / 比较符合」两个按钮；
   · 经典原版：整张卡就是一个按钮（.is-tap），点哪里都算选中。 */
.mbti-choice {
    display: block;
    width: 100%;
    text-align: left;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

/* 经典原版：整卡可点，恢复成原来的横排按钮观感 */
.mbti-choice.is-tap {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
}

.mbti-choice:focus-visible,
.mbti-choice.is-tap:focus-visible {
    outline: none;
    border-color: rgba(79, 142, 247, 0.7);
    background: var(--bg-card-hover);
    box-shadow: 0 6px 22px rgba(79, 142, 247, 0.16);
}

@media (hover: hover) {
    .mbti-choice.is-tap:hover {
        outline: none;
        transform: translateX(4px);
        border-color: rgba(79, 142, 247, 0.7);
        background: var(--bg-card-hover);
        box-shadow: 0 6px 22px rgba(79, 142, 247, 0.16);
    }
}

/* 触屏没有悬停，按压才是唯一的即时反馈：手指落下去选项就要有反应 */
.mbti-choice.is-tap:active {
    transform: scale(0.985);
    border-color: rgba(79, 142, 247, 0.85);
    background: var(--bg-card-hover);
}

.mbti-choice.is-picked {
    border-color: var(--secondary);
    background: rgba(245, 166, 35, 0.1);
}

/* 选项本身那一行：字母标记 + 选项文字 */
.mbti-choice-top {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

/* 程度按钮那一条：和文字左对齐（30px 标记 + 12px 间距） */
.mbti-choice-levels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
    padding-left: 42px;
}

/* 两个档位按钮长得一模一样。
   之前给「非常符合」加了蓝色描边和浅蓝底，结果一进页面就像是已经替用户选好了，
   容易让人以为可以直接点下一步。档位的差别由文字本身表达，视觉上不预设立场。

   min-height 44px 是触屏可点区域的底线，手机上别缩。 */
.mbti-choice-level {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.4;
    text-align: center;
    cursor: pointer;
    touch-action: manipulation;
    transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.mbti-choice-level:focus-visible {
    outline: none;
    border-color: rgba(79, 142, 247, 0.7);
    background: var(--bg-card-hover);
}

@media (hover: hover) {
    .mbti-choice-level:hover {
        border-color: rgba(79, 142, 247, 0.7);
        background: var(--bg-card-hover);
        color: var(--text-primary);
    }
}

.mbti-choice-level:active {
    transform: scale(0.97);
    border-color: rgba(79, 142, 247, 0.85);
}

.mbti-choice-key {
    flex: none;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 14px;
    background: rgba(79, 142, 247, 0.14);
    color: var(--primary);
    border: 1px solid rgba(79, 142, 247, 0.3);
}

.mbti-choice-text {
    flex: 1;
    min-width: 0;
}

.mbti-choice-go {
    flex: none;
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

@media (hover: hover) {
    .mbti-choice:hover .mbti-choice-go {
        opacity: 1;
        transform: none;
    }
}

.mbti-sheet-foot {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(48, 54, 61, 0.7);
}

.mbti-sheet-kbd {
    font-size: 11px;
    color: var(--text-secondary);
}

.mbti-sheet-kbd kbd {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    padding: 1px 6px;
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 5px;
    background: var(--bg-card);
    color: var(--text-primary);
}

/* 矮屏（比如 iPhone SE 那档 568px 高）：把间距收一收，
   能多塞下一点是一点。面板高度本身是被「题干必须留在视野里」这条约束卡住的，
   调 max-height 没用，所以这里只动间距。
   档位按钮的 44px 触控底线不动。 */
@media (max-height: 640px) {
    .mbti-choice {
        padding: 11px 13px;
    }

    .mbti-choice-levels {
        margin-top: 8px;
    }

    .mbti-sheet-head {
        margin-bottom: 9px;
    }

    .mbti-sheet-panel {
        padding: 12px 14px 8px;
    }

    .mbti-sheet-foot {
        margin-top: 8px;
        padding-top: 6px;
    }
}

/* ==================== 三、结果报告 ==================== */
.mbti-result {
    padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.mbti-result-inner {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.mbti-result-hero {
    text-align: center;
    padding: 40px 24px;
    background: radial-gradient(circle at 50% 0%, rgba(79, 142, 247, 0.22), transparent 68%), rgba(22, 27, 34, 0.7);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    animation: mbti-in 500ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mbti-result-label {
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.mbti-result-code {
    font-family: 'Inter', sans-serif;
    font-size: clamp(58px, 14vw, 104px);
    font-weight: 700;
    letter-spacing: 8px;
    line-height: 1.1;
    margin: 10px 0 4px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mbti-result-name {
    font-size: clamp(22px, 4vw, 30px);
    font-weight: 600;
    color: var(--secondary);
    letter-spacing: 2px;
}

/* 报告编号：像证书号一样单独占一行，等宽字体方便对照抄写 */
.mbti-result-serial {
    display: inline-block;
    margin: 14px auto 0;
    padding: 5px 14px;
    font-family: 'Inter', monospace;
    font-size: 13px;
    letter-spacing: 1.5px;
    color: var(--secondary);
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.28);
    border-radius: 999px;
}

.mbti-result-serial[hidden] {
    display: none;
}

.mbti-result-meta {
    margin: 10px auto 0;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.mbti-result-meta[hidden] {
    display: none;
}

.mbti-result-brief {
    margin: 16px auto 0;
    max-width: 640px;
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
}

.mbti-result-card {
    padding: 24px 26px;
    background: rgba(22, 27, 34, 0.72);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    animation: mbti-in 500ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mbti-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-left: 12px;
    position: relative;
}

.mbti-card-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 2px;
    bottom: 2px;
    width: 3px;
    border-radius: 3px;
    background: var(--gradient-primary);
}

/* 四维度得分 */
.mbti-dims {
    display: grid;
    gap: 20px;
}

.mbti-dim-labels {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.mbti-dim-labels span.is-win {
    color: var(--primary);
    font-weight: 600;
}

.mbti-dim-track {
    height: 10px;
    border-radius: 999px;
    background: rgba(48, 54, 61, 0.8);
    display: flex;
    overflow: hidden;
}

.mbti-dim-track i {
    display: block;
    height: 100%;
    transition: width 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mbti-dim-left {
    background: linear-gradient(90deg, var(--primary), rgba(79, 142, 247, 0.55));
}

.mbti-dim-right {
    background: linear-gradient(90deg, rgba(245, 166, 35, 0.55), var(--secondary));
}

.mbti-dim-nums {
    display: flex;
    justify-content: space-between;
    margin-top: 7px;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    color: var(--text-secondary);
}

.mbti-dim-nums b {
    color: var(--text-primary);
    font-size: 13px;
}

/* 「强烈倾向」那一行：只有当用户真的用过档位（选了「非常符合」）时才出现 */
.mbti-dim-strong {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
}

.mbti-dim-note {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* 特征列表 */
.mbti-traits {
    list-style: none;
    counter-reset: trait;
    display: grid;
    gap: 10px;
}

.mbti-traits li {
    position: relative;
    padding-left: 30px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    counter-increment: trait;
}

.mbti-traits li::before {
    content: counter(trait);
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    border-radius: 7px;
    background: rgba(245, 166, 35, 0.14);
    color: var(--secondary);
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    line-height: 20px;
    text-align: center;
}

.mbti-detail,
.mbti-fields,
.mbti-jobs {
    font-size: 14.5px;
    line-height: 1.95;
    color: var(--text-secondary);
}

.mbti-result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}

.mbti-result-note {
    padding: 16px 20px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-secondary);
    background: rgba(79, 142, 247, 0.07);
    border: 1px dashed rgba(79, 142, 247, 0.3);
    border-radius: var(--radius-md);
}

/* AI 场景版的报告声明：只在那一模式下出现 */
.mbti-result-ai {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 18px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-secondary);
    background: rgba(245, 166, 35, 0.07);
    border: 1px solid rgba(245, 166, 35, 0.28);
    border-radius: var(--radius-md);
}

.mbti-result-ai[hidden] {
    display: none;
}

.mbti-result-ai-logo {
    flex: none;
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 10px;
    background: #FFFFFF;
}

.mbti-result-ai-text {
    min-width: 0;
}

.mbti-result-ai-text b {
    display: block;
    margin-bottom: 5px;
    color: var(--text-primary);
    font-weight: 600;
}

.mbti-result-ai-text p {
    margin: 0;
}

.mbti-result-ai-text p b {
    display: inline;
    margin: 0;
    color: var(--secondary);
}

.mbti-result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin-top: 8px;
}

.mbti-result-tip {
    text-align: center;
    font-size: 13px;
    color: var(--secondary);
}

/* ==================== 进入前的免责声明 ==================== */
body.mbti-consent-open {
    overflow: hidden;
}

.mbti-consent {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(5, 8, 12, 0.86);
    backdrop-filter: blur(6px);
    animation: mbti-consent-fade 300ms ease both;
}

.mbti-consent[hidden] {
    display: none;
}

@keyframes mbti-consent-fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

.mbti-consent-box {
    width: min(560px, 100%);
    max-height: calc(100vh - 40px);
    max-height: calc(100dvh - 40px);
    overflow-y: auto;
    padding: 30px 30px 26px;
    text-align: center;
    background: linear-gradient(180deg, rgba(24, 30, 40, 0.98), rgba(15, 20, 27, 0.98));
    border: 1px solid rgba(79, 142, 247, 0.32);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6);
    animation: mbti-consent-pop 380ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes mbti-consent-pop {
    from { opacity: 0; transform: translateY(18px) scale(0.97); }
    to { opacity: 1; transform: none; }
}

.mbti-consent-badge {
    display: inline-grid;
    place-items: center;
    width: 54px;
    height: 54px;
    margin-bottom: 16px;
    border-radius: 18px;
    color: var(--secondary);
    background: rgba(245, 166, 35, 0.14);
    border: 1px solid rgba(245, 166, 35, 0.32);
}

.mbti-consent-badge svg {
    width: 26px;
    height: 26px;
}

.mbti-consent-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.mbti-consent-list {
    list-style: none;
    display: grid;
    gap: 12px;
    text-align: left;
    margin-bottom: 24px;
}

.mbti-consent-list li {
    position: relative;
    padding-left: 22px;
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--text-secondary);
}

.mbti-consent-list li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 10px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 142, 247, 0.14);
}

.mbti-consent-list b {
    color: var(--text-primary);
    font-weight: 600;
}

.mbti-consent-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ==================== 作答方式选择弹窗 ====================
   开测前先让用户挑「经典原版 / AI 场景版」。用了 AI 改写的题目，
   就得让人事先知道并且自己选，而不是悄没声地替他把模式定了。 */
.mbti-mode {
    position: fixed;
    inset: 0;
    z-index: 1400;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    background: rgba(5, 8, 12, 0.86);
    backdrop-filter: blur(6px);
    transition: opacity 220ms ease;
}

.mbti-mode[hidden] {
    display: none;
}

.mbti-mode.is-open {
    opacity: 1;
    pointer-events: auto;
}

.mbti-mode-box {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(680px, 100%);
    max-height: calc(100vh - 40px);
    max-height: calc(100dvh - 40px);
    margin: auto;
    /* 外层不滚、内容区自己滚 —— 这样关闭按钮不会跟着内容一起滚走 */
    overflow: hidden;
    background: linear-gradient(180deg, rgba(24, 30, 40, 0.98), rgba(15, 20, 27, 0.98));
    border: 1px solid rgba(79, 142, 247, 0.32);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6);
    animation: mbti-consent-pop 380ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mbti-mode-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 30px 26px 22px;
}

/* 右上角关闭：小屏上光有底部「返回」不够，拇指够不到。
   带一层底色，滚上去的内容不会把它盖花。 */
.mbti-mode-close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    background: rgba(15, 20, 27, 0.9);
    border-color: rgba(48, 54, 61, 0.9);
}

.mbti-mode-title {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.mbti-mode-sub {
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 18px;
}

.mbti-mode-cards {
    display: grid;
    gap: 12px;
}

.mbti-mode-card {
    position: relative;
    display: block;
    width: 100%;
    padding: 18px 18px 16px;
    text-align: left;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

/* 上次用过的那一种标个暖色边，方便一眼找到 */
.mbti-mode-card.is-last {
    border-color: rgba(245, 166, 35, 0.45);
}

.mbti-mode-card:focus-visible {
    outline: none;
    border-color: rgba(79, 142, 247, 0.7);
    background: var(--bg-card-hover);
    box-shadow: 0 6px 22px rgba(79, 142, 247, 0.16);
}

@media (hover: hover) {
    .mbti-mode-card:hover {
        transform: translateY(-2px);
        border-color: rgba(79, 142, 247, 0.7);
        background: var(--bg-card-hover);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }
}

.mbti-mode-card:active {
    transform: scale(0.99);
}

.mbti-mode-flag {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 2px 9px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
    color: var(--secondary);
    background: rgba(245, 166, 35, 0.14);
    border: 1px solid rgba(245, 166, 35, 0.32);
}

.mbti-mode-name {
    display: block;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.mbti-mode-desc {
    display: block;
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--text-secondary);
}

.mbti-mode-points {
    display: grid;
    gap: 6px;
    margin-top: 12px;
}

.mbti-mode-points i {
    position: relative;
    padding-left: 16px;
    font-style: normal;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.mbti-mode-points i::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 8px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
}

/* AI 当前不可用时，直接写在这张卡里，别让用户选完才发现题目没变。
   注意这条 [hidden] 不能省：display:block 会把 hidden 属性压过去，
   于是正常情况下也会留出一截空条。 */
.mbti-mode-warn[hidden] {
    display: none;
}

.mbti-mode-warn {
    display: block;
    margin-top: 12px;
    padding: 9px 12px;
    font-size: 12px;
    line-height: 1.7;
    color: var(--secondary);
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.28);
    border-radius: 10px;
}

/* 关于 AI 生成内容的声明：选模式之前就摆在眼前，但别写成一篇说明书 */
.mbti-mode-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 16px;
    padding: 12px 14px;
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--text-secondary);
    background: rgba(245, 166, 35, 0.07);
    border: 1px solid rgba(245, 166, 35, 0.26);
    border-radius: var(--radius-md);
}

.mbti-mode-disclaimer-logo {
    flex: none;
    width: 30px;
    height: 30px;
    object-fit: contain;
    border-radius: 8px;
    background: #FFFFFF;
}

.mbti-mode-disclaimer p {
    min-width: 0;
    margin: 0;
}

.mbti-mode-disclaimer b {
    color: var(--text-primary);
    font-weight: 600;
}

.mbti-mode-disclaimer b:last-of-type {
    color: var(--secondary);
}

.mbti-mode-note {
    margin-top: 14px;
    font-size: 12.5px;
    line-height: 1.7;
    text-align: center;
    color: var(--secondary);
}

.mbti-mode-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid rgba(48, 54, 61, 0.7);
}

.mbti-mode-hint {
    font-size: 12px;
    color: var(--text-secondary);
}

@media (max-width: 480px) {
    .mbti-mode {
        padding: 10px;
    }

    .mbti-mode-box {
        max-height: calc(100vh - 20px);
        max-height: calc(100dvh - 20px);
        border-radius: var(--radius-md);
    }

    .mbti-mode-scroll {
        padding: 26px 16px 16px;
    }

    .mbti-mode-title {
        font-size: 18px;
        padding: 0 46px;
    }

    .mbti-mode-sub {
        font-size: 12.5px;
        margin-bottom: 14px;
    }

    .mbti-mode-card {
        padding: 15px 14px 13px;
    }

    .mbti-mode-name {
        font-size: 16px;
    }

    .mbti-mode-desc {
        font-size: 13px;
    }

    .mbti-mode-points i {
        font-size: 12px;
    }

    .mbti-mode-disclaimer {
        padding: 11px 12px;
        font-size: 12px;
    }

    .mbti-mode-note {
        font-size: 12px;
    }

    .mbti-mode-actions {
        margin-top: 14px;
        padding-top: 12px;
    }

    /* 小屏上「返回」在底部也是够得到的，右上角另有关闭按钮；
       这一行只留返回，省点高度 */
    .mbti-mode-hint {
        display: none;
    }
}

/* ==================== 分享图弹窗 ==================== */
.mbti-share {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 240ms ease;
}

.mbti-share[hidden] {
    display: none;
}

.mbti-share.is-open {
    opacity: 1;
    pointer-events: auto;
}

.mbti-share-mask {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.74);
    backdrop-filter: blur(4px);
}

.mbti-share-box {
    position: relative;
    z-index: 1;
    width: min(470px, 100%);
    max-height: calc(100vh - 40px);
    max-height: calc(100dvh - 40px);
    display: flex;
    flex-direction: column;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(16px) scale(0.98);
    transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mbti-share.is-open .mbti-share-box {
    transform: none;
}

.mbti-share-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.mbti-share-head strong {
    font-size: 15px;
    font-weight: 600;
}

.mbti-share-stage {
    flex: 1;
    min-height: 320px;
    display: grid;
    place-items: center;
    padding: 8px;
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: auto;
}

.mbti-share-stage img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    border-radius: 10px;
}

.mbti-share-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

/* flex 基础值给窄一点，「保存图片 / 复制链接下载 / 关闭」三个挤不下时
   自动换行，而不是把字压扁 */
.mbti-share-actions .mbti-btn {
    flex: 1 1 132px;
    padding: 12px 18px;
    font-size: 15px;
}

/* .mbti-btn 自己写了 display: inline-flex，会把 [hidden] 盖掉，
   这里补一条，免得「复制链接下载」一直显形 */
.mbti-share-actions .mbti-btn[hidden] {
    display: none;
}

.mbti-share-hint {
    margin-top: 10px;
    text-align: center;
    font-size: 12px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* 出图失败 / 二维码缺失的提示条，必须落在弹窗里面，用户才看得到 */
.mbti-share-notice {
    margin-top: 12px;
    padding: 9px 12px;
    font-size: 12.5px;
    line-height: 1.6;
    text-align: center;
    color: var(--accent);
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: var(--radius-sm);
}

.mbti-share-notice[hidden] {
    display: none;
}

/* 「长按」是这个弹窗里唯一的动作，单独提亮，别让用户扫一眼读不出来 */
.mbti-share-hint b {
    color: var(--primary);
    font-weight: 600;
}

/* 分享弹窗里的 AI 声明 */
.mbti-share-ai {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-top: 12px;
    padding: 8px 12px;
    font-size: 12px;
    line-height: 1.6;
    text-align: center;
    color: var(--secondary);
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.28);
    border-radius: 10px;
}

.mbti-share-ai[hidden] {
    display: none;
}

.mbti-share-ai img {
    flex: none;
    border-radius: 4px;
    background: #FFFFFF;
}

/* ==================== 历史记录弹窗 ==================== */
.mbti-history .mbti-share-box {
    width: min(440px, 100%);
}

.mbti-history-head-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.mbti-history-list {
    flex: 1;
    min-height: 220px;
    max-height: 52vh;
    overflow-y: auto;
    display: grid;
    gap: 10px;
    align-content: start;
    padding: 2px;
}

.mbti-history-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mbti-history-main {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    text-align: left;
    background: rgba(22, 27, 34, 0.85);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: transform var(--transition-fast), border-color var(--transition-fast),
                background var(--transition-fast), box-shadow var(--transition-fast);
}

@media (hover: hover) {
    .mbti-history-main:hover {
        transform: translateX(3px);
        border-color: rgba(79, 142, 247, 0.7);
        background: var(--bg-card-hover);
        box-shadow: 0 6px 20px rgba(79, 142, 247, 0.14);
    }
}

.mbti-history-main:active {
    border-color: rgba(79, 142, 247, 0.7);
    background: var(--bg-card-hover);
}

.mbti-history-code {
    flex: none;
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mbti-history-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.mbti-history-meta b {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mbti-history-meta i {
    font-style: normal;
    font-size: 12px;
    color: var(--text-secondary);
}

.mbti-history-del {
    flex: none;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    border: 1px solid transparent;
    color: var(--text-secondary);
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

@media (hover: hover) {
    .mbti-history-del:hover {
        color: var(--accent);
        background: rgba(255, 107, 53, 0.1);
        border-color: rgba(255, 107, 53, 0.35);
    }
}

.mbti-history-del:active {
    color: var(--accent);
    background: rgba(255, 107, 53, 0.14);
    border-color: rgba(255, 107, 53, 0.35);
}

.mbti-history-del svg {
    width: 16px;
    height: 16px;
}

.mbti-history-empty {
    padding: 46px 12px;
    text-align: center;
    font-size: 13.5px;
    color: var(--text-secondary);
}

/* ==================== 响应式 ==================== */
@media (max-width: 900px) {
    .mbti-result-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* 手机上答题区真正全屏（顶到状态栏下方、底到手势条） */
    body.mbti-locked .mbti-chat {
        padding: 0;
    }

    .mbti-chat-shell {
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        border-bottom: 0;
    }

    .mbti-chat-head {
        padding: 11px 14px;
        gap: 10px;
    }

    .mbti-avatar {
        width: 34px;
        height: 34px;
    }

    .mbti-progress-track {
        display: none;
    }

    .mbti-stream {
        padding: 16px 14px 10px;
        gap: 12px;
    }

    .mbti-bubble {
        max-width: 88%;
        font-size: 14.5px;
        padding: 12px 14px;
    }

    .mbti-bubble-q {
        font-size: 15.5px;
    }

    /* 选项区贴底，并让出手机底部安全区 */
    .mbti-sheet {
        padding: 0 10px calc(10px + var(--safe-bottom));
    }

    /* 手机上选项面板稍微放高一点，最后一行选项不会贴着 Home 指示条 */
    .mbti-sheet-panel {
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    .mbti-sheet::before {
        left: 10px;
        right: 10px;
    }

    .mbti-sheet-panel {
        padding: 12px 12px 8px;
        max-height: 56vh;
        overflow-y: auto;
    }

    .mbti-choice {
        min-height: 54px;
        padding: 13px 14px;
    }

    .mbti-notice {
        padding: 20px 20px 20px 32px;
    }

    .mbti-intro-facts {
        grid-template-columns: repeat(2, 1fr);
    }

    .mbti-entries {
        grid-template-columns: 1fr;
    }

    .mbti-sheet-kbd {
        display: none;
    }

    .mbti-share {
        padding: calc(12px + var(--safe-top)) 12px calc(12px + var(--safe-bottom));
    }

    .mbti-share-box {
        width: 100%;
        max-height: calc(100dvh - 24px - var(--safe-top) - var(--safe-bottom));
        border-radius: var(--radius-md);
    }

    /* 手机上让分享图按宽度铺满：图缩得越小，底部二维码越糊，
       长按识别就越容易失败，所以这里不做等比压缩，超出上下滚动看 */
    .mbti-share-stage {
        display: block;
        padding: 0;
        background: none;
        border: 0;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    .mbti-share-stage img {
        width: 100%;
        max-width: 100%;
        max-height: none;
        border-radius: 12px;
    }

    .mbti-consent {
        padding: calc(14px + var(--safe-top)) 14px calc(14px + var(--safe-bottom));
    }

    .mbti-consent-box {
        padding: 24px 20px calc(20px + var(--safe-bottom));
        max-height: calc(100dvh - 28px - var(--safe-top) - var(--safe-bottom));
        border-radius: var(--radius-md);
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    .mbti-consent-title {
        font-size: 18px;
    }

    .mbti-consent-actions {
        flex-direction: column-reverse;
    }

    .mbti-consent-actions .mbti-btn {
        width: 100%;
    }

    /* ---------- 触控目标 ----------
       手指不是鼠标，热区低于 44px 就会「点不中」：
       退出、关闭、删除这类小图标按钮全部放大到 44px */
    .mbti-icon-btn {
        width: 44px;
        height: 44px;
    }

    .mbti-link-btn {
        padding: 11px 14px;
    }

    .mbti-history-del {
        width: 44px;
        height: 44px;
    }

    .mbti-history-list {
        max-height: 58vh;
    }

    /* ---------- 开场页首屏 ----------
       手机上首屏能露出多少，直接决定有多少人点「开始测试」，
       上边距与「93/4/8/16」四个小卡片的空档都收紧一点 */
    .mbti-intro {
        padding-top: 24px;
        padding-bottom: 40px;
    }

    .mbti-intro-facts {
        margin-top: 26px;
    }

    .mbti-notice {
        margin-top: 22px;
    }

    .mbti-intro-actions {
        margin-top: 24px;
    }

    /* ---------- 渲染开销 ----------
       三颗光斑是 blur(80px) 的大色块，手机上缩小半径、降点透明度，
       观感几乎不变，滚动时 GPU 轻松很多 */
    .mbti-orb {
        filter: blur(46px);
        opacity: 0.42;
    }

    /* 答完 93 题会累积约 200 个消息节点，给每条做布局/绘制隔离，
       滚动时不再牵动整条链重排 */
    .mbti-msg {
        contain: content;
    }
}

@media (max-width: 480px) {
    .mbti-btn {
        width: 100%;
    }

    .mbti-intro-actions {
        flex-direction: column;
    }

    /* 结果页 4 个按钮原来竖着排，光按钮就吃掉小半屏；
       改成主按钮整行 + 两个次按钮并排，一屏能看全所有操作 */
    .mbti-result-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .mbti-result-actions .mbti-btn-primary {
        grid-column: 1 / -1;
    }

    /* 次要按钮是奇数个时（按编号查询 / 重新选择模式 / 返回首页 = 3 个），
       最后一个占满整行，右下角就不会空一格 */
    .mbti-result-actions > :last-child {
        grid-column: 1 / -1;
    }

    .mbti-choice {
        padding: 12px 13px;
        font-size: 14.5px;
    }
}

/* ==================== 按编号查询报告 ====================
   报告编号印在分享图上，用户换台设备也能凭它把报告调回来。
   这里的排版刻意做成「一页报告 + 一串对话」：
   上面是他的人格类型与四个维度，下面是逐题的问答记录。 */
.mbti-lookup {
    position: fixed;
    inset: 0;
    z-index: 1300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    background: rgba(5, 8, 12, 0.86);
    backdrop-filter: blur(6px);
    transition: opacity 220ms ease;
}

.mbti-lookup[hidden] {
    display: none;
}

.mbti-lookup.is-open {
    opacity: 1;
    pointer-events: auto;
}

.mbti-lookup-box {
    display: flex;
    flex-direction: column;
    width: min(680px, 100%);
    max-height: calc(100vh - 40px);
    max-height: calc(100dvh - 40px);
    margin: auto;
    overflow: hidden;
    padding: 22px 24px 20px;
    background: linear-gradient(180deg, rgba(24, 30, 40, 0.98), rgba(15, 20, 27, 0.98));
    border: 1px solid rgba(79, 142, 247, 0.32);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6);
    animation: mbti-consent-pop 380ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mbti-lookup-head {
    flex: none;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.mbti-lookup-head-text {
    min-width: 0;
}

.mbti-lookup-head-text strong {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.mbti-lookup-head-text small {
    display: block;
    margin-top: 4px;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.mbti-lookup-search {
    flex: none;
    display: flex;
    align-items: stretch;
    gap: 10px;
}

/* 窄屏那段媒体查询里有 .mbti-btn{width:100%}，会把「查询」撑满整行、
   把输入框挤成一条缝。这里显式收回来。 */
.mbti-lookup-search .mbti-btn {
    flex: none;
    width: auto;
    padding: 0 22px;
    font-size: 15px;
}

.mbti-lookup-search input {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    padding: 13px 16px;
    font-family: 'Inter', monospace;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-primary);
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.mbti-lookup-search input:focus {
    border-color: rgba(79, 142, 247, 0.7);
    box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.14);
}

.mbti-lookup-search input::placeholder {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1px;
    color: #6E7681;
}

.mbti-lookup-tip {
    flex: none;
    margin-top: 10px;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.mbti-lookup-tip.is-error {
    color: var(--accent);
}

/* 结果区自己滚，标题和输入框始终留在上面 */
.mbti-lookup-result {
    flex: 1;
    min-height: 0;
    margin-top: 16px;
    padding-top: 16px;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    border-top: 1px solid var(--border);
}

.mbti-lookup-result[hidden] {
    display: none;
}

.mbti-lookup-report {
    text-align: center;
}

.mbti-lookup-code {
    font-family: 'Inter', monospace;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 4px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mbti-lookup-name {
    margin-top: 6px;
    font-size: 15px;
    color: var(--text-primary);
}

.mbti-lookup-meta {
    margin-top: 8px;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.mbti-lookup-dims {
    margin-top: 18px;
    display: grid;
    gap: 14px;
}

.mbti-lookup-dim-labels {
    display: flex;
    justify-content: space-between;
    font-size: 12.5px;
    color: var(--text-secondary);
}

.mbti-lookup-dim-labels .is-win {
    color: var(--text-primary);
    font-weight: 600;
}

.mbti-lookup-dim-track {
    display: flex;
    height: 8px;
    margin-top: 6px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--border);
}

.mbti-lookup-dim-track i {
    background: #4F8EF7;
}

.mbti-lookup-dim-track b {
    background: #F5A623;
}

.mbti-lookup-dim-nums {
    display: flex;
    justify-content: space-between;
    margin-top: 5px;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    color: var(--text-secondary);
}

.mbti-lookup-dim-nums em {
    font-style: normal;
}

.mbti-lookup-dim-strong {
    margin-top: 4px;
    font-size: 11.5px;
    color: var(--text-secondary);
}

/* 查到的报告也能出分享图，按钮摆在报告卡下面、作答记录上面 */
.mbti-lookup-actions {
    display: flex;
    margin-top: 16px;
}

.mbti-lookup-actions .mbti-btn {
    flex: 1;
    padding: 12px 18px;
    font-size: 15px;
}

.mbti-lookup-history-title {
    margin: 22px 0 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.mbti-lookup-turns {
    display: grid;
    gap: 12px;
}

.mbti-lookup-turn {
    padding: 12px 14px;
    background: rgba(22, 27, 34, 0.7);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.mbti-lookup-q {
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--text-primary);
}

.mbti-lookup-idx {
    display: inline-block;
    margin-right: 8px;
    padding: 1px 7px;
    font-size: 11px;
    color: var(--primary);
    background: rgba(79, 142, 247, 0.14);
    border-radius: 999px;
}

.mbti-lookup-src {
    display: inline-block;
    margin-left: 8px;
    padding: 1px 7px;
    font-size: 11px;
    color: var(--secondary);
    background: rgba(245, 166, 35, 0.12);
    border-radius: 999px;
}

.mbti-lookup-a {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 8px;
    padding-left: 10px;
    font-size: 13px;
    line-height: 1.7;
    border-left: 3px solid #4F8EF7;
}

.mbti-lookup-a.is-b {
    border-left-color: #F5A623;
}

.mbti-lookup-a b {
    font-weight: 500;
    color: var(--text-secondary);
}

.mbti-lookup-a i {
    flex: none;
    font-style: normal;
    font-size: 11px;
    color: var(--primary);
}

.mbti-lookup-empty {
    font-size: 13px;
    color: var(--text-secondary);
}

@media (max-width: 560px) {
    .mbti-lookup {
        padding: 10px;
    }

    .mbti-lookup-box {
        max-height: calc(100dvh - 20px);
        padding: 18px 16px 16px;
        border-radius: var(--radius-md);
    }

    .mbti-lookup-head-text strong {
        font-size: 16.5px;
    }

    .mbti-lookup-search input {
        font-size: 16px;
        letter-spacing: 2px;
        padding: 11px 13px;
    }

    .mbti-lookup-code {
        font-size: 34px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mbti-msg,
    .mbti-msg-system,
    .mbti-result-hero,
    .mbti-result-card {
        animation: none;
    }

    .mbti-sheet {
        transition-duration: 1ms;
    }
}