/* ============================================================
   儿童版：版本选择首页 + 单词星球
   手机优先，触控目标不小于 44px，颜色沿用全局主题令牌。
   ============================================================ */

/* ---------- 版本选择 ---------- */
.welcome { max-width: 1040px; margin: 0 auto; padding: clamp(18px, 5vw, 48px) clamp(16px, 4vw, 32px) 56px; }
.welcome-head { text-align: center; margin-bottom: clamp(18px, 4vw, 32px); }
.welcome-head h1 { margin: 6px 0 8px; font-size: clamp(24px, 5vw, 34px); letter-spacing: 0; }
.welcome-head p { margin: 0; color: var(--text-dim); }
.welcome-cards { display: grid; gap: clamp(14px, 3vw, 22px); grid-template-columns: 1fr; }
.welcome-card {
  display: flex; flex-direction: column; gap: 10px; align-items: flex-start; text-align: left;
  padding: clamp(18px, 3vw, 28px); min-height: 260px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.welcome-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.welcome-card:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.welcome-card.kids { border-top: 4px solid var(--teal); background: linear-gradient(180deg, var(--teal-soft), transparent 46%), var(--card); }
.welcome-card.adult { border-top: 4px solid var(--accent); background: linear-gradient(180deg, var(--accent-soft), transparent 46%), var(--card); }
.welcome-card:hover.kids { border-color: var(--teal); }
.welcome-card:hover.adult { border-color: var(--accent); }
.welcome-tag { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-dim); }
.welcome-emoji { font-size: clamp(34px, 7vw, 46px); line-height: 1; }
.welcome-card h2 { margin: 0; font-size: clamp(20px, 3.4vw, 26px); }
.welcome-card p { margin: 0; color: var(--text-dim); }
.welcome-card ul { margin: 0; padding-left: 18px; color: var(--text-dim); font-size: 14px; }
.welcome-card li { margin: 3px 0; }
.welcome-foot { margin: 22px 0 0; text-align: center; color: var(--text-dim); font-size: 14px; }
.welcome-foot span { margin: 0 8px; color: var(--text-faint); }
@media (min-width: 760px) { .welcome-cards { grid-template-columns: 1fr 1fr; } }

/* ---------- 儿童版外壳 ---------- */
html[data-version="kids"] .brand .logo { background: var(--teal-soft); color: var(--teal); }
html[data-version="kids"] .brand small { color: var(--text-dim); }
.appearance-switch {
  min-height: 44px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--card); color: var(--text-dim); font-size: 13px;
}
.appearance-switch:hover { color: var(--text); border-color: var(--line-strong); }
.appearance-spacer { flex: 1 1 auto; }
.appearance-switch .switch-short { display: none; }
/* 版本选择页本身就是入口，不必再显示"切换版本"，底部标签栏也让位给两张卡片。 */
html[data-route="welcome"] .appearance-switch { display: none; }
html[data-route="welcome"] .tabbar { display: none; }
/* 顶栏永远不允许横向溢出：放不下就换行，控件本身可以被压缩。 */
.appearance-bar { flex-wrap: wrap; }
.appearance-bar > *, .appearance-bar label, .appearance-bar select { min-width: 0; }
.appearance-bar select { max-width: 100%; }
@media (max-width: 1000px) {
  .appearance-bar { gap: 8px; }
  .appearance-switch { padding: 7px 10px; }
  .appearance-switch .switch-full { display: none; }
  .appearance-switch .switch-short { display: inline; }
}
/* 窄屏只保留控件本身：文字标签退成 0 字号，select 仍带 aria-label。 */
@media (max-width: 560px) {
  .appearance-bar { gap: 6px; }
  .appearance-bar label { font-size: 0; gap: 0; }
  .appearance-bar select { max-width: 102px; padding: 7px 20px 7px 8px; font-size: 12px; }
  .appearance-switch { padding: 6px 9px; font-size: 12px; }
  .mobile-menu summary { padding: 8px 10px; font-size: 13px; }
}

.kids { max-width: 1040px; margin: 0 auto; padding-bottom: 32px; }
.kids h1, .kids h2 { letter-spacing: 0; }
.kids-note { color: var(--text-dim); font-size: 13px; margin: 8px 0 0; }

/* ---------- 地图 ---------- */
.kids-hero { display: grid; overflow: hidden; border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); background: var(--card); box-shadow: var(--shadow); }
.kids-hero-art { min-height: 210px; background: #d9eef7; }
.kids-hero-art img { display: block; width: 100%; height: 100%; min-height: 210px; max-height: 310px; object-fit: cover; object-position: 58% 53%; }
.kids-hero-content { padding: clamp(18px, 3vw, 28px); align-self: center; }
.kids-hero-row { display: flex; gap: 14px; align-items: center; }
.kids-story-kicker { margin: 0 0 7px !important; color: var(--teal) !important; font-size: 12px; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.kids-hero-copy h1 { margin: 0 0 4px; font-size: clamp(21px, 4.4vw, 28px); }
.kids-hero-copy p { margin: 0; color: var(--text-dim); }
.kids-stats { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 16px 0; color: var(--text-dim); font-size: 14px; }
.kids-stats b { color: var(--text); font-size: 16px; }
.kids-go {
  width: 100%; min-height: 56px; padding: 14px 20px; border: 0; border-radius: var(--radius);
  background: var(--teal); color: #08201c; font-weight: 700; font-size: 17px;
}
.kids-go:hover { filter: brightness(1.06); }
.kids-go:disabled { opacity: .6; }
.kids-review-card { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 16px 0; padding: 16px 18px; border: 1px solid var(--amber); border-radius: var(--radius); background: var(--amber-soft); }
.kids-review-card h2 { margin: 0 0 4px; font-size: 18px; }
.kids-review-card p { margin: 0; color: var(--text-dim); font-size: 13px; }
.kids-review-go { flex: none; min-height: 44px; padding: 9px 15px; border: 1px solid var(--amber); border-radius: 999px; background: var(--card); color: var(--text); font-weight: 650; }
@media (max-width: 600px) { .kids-review-card { align-items: stretch; flex-direction: column; } .kids-review-go { width: 100%; } }
@media (min-width: 760px) {
  .kids-hero { grid-template-columns: minmax(0, .95fr) minmax(360px, 1.25fr); }
  .kids-hero-art { grid-column: 2; grid-row: 1; min-height: 360px; }
  .kids-hero-art img { max-height: none; min-height: 360px; }
  .kids-hero-content { grid-column: 1; grid-row: 1; }
}

.kids-levels { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 20px 0 12px; }
.kids-levels-label { color: var(--text-dim); font-size: 13px; }
.kids-level {
  min-height: 44px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); color: var(--text); display: inline-flex; align-items: center; gap: 8px; font-size: 14px;
}
.kids-level small { color: var(--text-faint); }
.kids-level.on { border-color: var(--teal); background: var(--teal-soft); color: var(--text); }

.kids-course-head { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin: 24px 0 12px; }
.kids-course-head h2 { margin: 0; font-size: clamp(19px, 3vw, 23px); }
.kids-course-head > p { margin: 0; color: var(--text-dim); font-size: 13px; }
@media (max-width: 600px) { .kids-course-head { align-items: start; flex-direction: column; gap: 5px; } }

.kids-course-overview { margin-bottom: 18px; padding: 16px; border: 1px solid var(--teal); border-radius: var(--radius); background: var(--teal-soft); }
.kids-course-overview > div:first-child { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; }
.kids-course-overview span, .kids-course-overview p { color: var(--text-dim); font-size: 13px; }
.kids-course-overview p { margin: 10px 0 0; }
.kids-course-progress { height: 9px; margin-top: 11px; overflow: hidden; border-radius: 99px; background: var(--line); }
.kids-course-progress i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--teal), var(--green)); }
.kids-week { margin: 18px 0 28px; }
.kids-week-head { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.kids-week-head h3 { margin: 2px 0 0; font-size: 17px; }
.kids-week-number { color: var(--teal); font-size: 11px; font-weight: 750; letter-spacing: .1em; }
.kids-week-state { color: var(--text-dim); font-size: 12px; }
.kids-week.done .kids-week-state { color: var(--green); }
.kids-week.locked .kids-week-head { opacity: .66; }

.kids-planets { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 620px) { .kids-planets { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); } }
@media (max-width: 619px) { .kids-planets { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } }
.kids-planet {
  display: flex; flex-direction: column; gap: 6px; text-align: left; padding: 16px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); min-height: 132px;
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}
@media (max-width: 619px) {
  .kids-planet { min-height: 150px; padding: 13px; }
  .kids-planet-emoji { font-size: 24px; }
  .kids-planet-name { font-size: 16px; }
  .kids-planet-words { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: 12px; }
  .kids-planet-state { font-size: 12px; letter-spacing: 0; }
}
.kids-planet:not(.locked):hover { transform: translateY(-2px); border-color: var(--teal); }
.kids-planet.locked { opacity: .62; cursor: not-allowed; }
.kids-planet.done { border-color: var(--green); background: linear-gradient(180deg, var(--green-soft), transparent 60%), var(--card); }
.kids-planet-emoji { font-size: 28px; line-height: 1; }
.kids-planet-day { color: var(--teal); font-size: 11px; font-weight: 700; }
.kids-planet-name { font-weight: 700; font-size: 17px; }
.kids-planet-words { color: var(--text-dim); font-size: 13px; }
.kids-planet-state { margin-top: auto; font-size: 13px; color: var(--text-dim); letter-spacing: 1px; }

/* ---------- 冒险 ---------- */
.kids-run { max-width: 720px; }
.kids-run-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; color: var(--text-dim); font-size: 14px; }
.kids-back { min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); color: var(--text-dim); }
.kids-back:hover { color: var(--text); }
.kids-run-stars { margin-left: auto; font-size: 15px; letter-spacing: 1px; }
.kids-task { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: clamp(16px, 4vw, 26px); }
.kids-task-prompt { font-size: clamp(17px, 3.6vw, 21px); font-weight: 600; margin-bottom: 14px; }
.kids-task-hint { color: var(--text-dim); margin: 0 0 8px; }
.kids-run-foot { color: var(--text-faint); font-size: 13px; margin-top: 12px; }

.kids-speak { min-height: 44px; padding: 8px 16px; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--bg-soft); color: var(--text); font-size: 15px; }
.kids-speak.big { min-height: 56px; padding: 12px 22px; font-size: 17px; display: inline-flex; align-items: center; gap: 8px; }
.kids-speak:hover { border-color: var(--teal); }

.kids-options { display: grid; gap: 10px; margin-top: 16px; }
.kids-options.pictures { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.kids-option {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  min-height: 84px; padding: 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-md);
  background: var(--bg-soft); color: var(--text); font-size: 17px; text-align: center;
}
.kids-option.wide { min-height: 60px; flex-direction: row; font-size: 17px; line-height: 1.4; }
.kids-option:hover:not(:disabled) { border-color: var(--teal); background: var(--teal-soft); }
.kids-option:disabled { opacity: .55; }
.kids-option-emoji { font-size: 30px; line-height: 1; }

.kids-answer-line { min-height: 60px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px 12px; border: 1px dashed var(--line-strong); border-radius: var(--radius-md); background: var(--bg-soft); }
.kids-answer-empty { color: var(--text-faint); font-size: 14px; }
.kids-chip { min-height: 40px; padding: 6px 14px; border: 1px solid var(--teal); border-radius: 999px; background: var(--teal-soft); color: var(--text); font-size: 18px; }
.kids-tiles { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.kids-tile { min-width: 46px; min-height: 46px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--card-hover); color: var(--text); font-size: 18px; }
.kids-tile:disabled { opacity: .35; }
.kids-submit { min-height: 50px; margin-top: 14px; padding: 12px 22px; border: 0; border-radius: var(--radius-md); background: var(--accent); color: #fff; font-weight: 600; font-size: 16px; }
.kids-submit.ghost { background: transparent; border: 1px solid var(--line-strong); color: var(--text); font-weight: 500; }
.kids-submit:disabled { opacity: .5; cursor: not-allowed; }

.kids-say { display: flex; flex-direction: column; gap: 4px; margin: 4px 0 12px; }
.kids-say b { font-size: clamp(19px, 4.2vw, 24px); }
.kids-say span { color: var(--text-dim); }
.kids-say-zone-wrap { margin-top: 12px; }
.kids-say-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.kids-say-actions .kids-submit { margin-top: 0; }
.kids-mic { width: 72px; height: 72px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--bg-soft); font-size: 30px; }
.kids-mic.on { border-color: var(--red); background: var(--red-soft); }
.kids-say-hint { margin: 10px 0 0; color: var(--text-dim); font-size: 14px; }

.kids-feedback { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin-top: 16px; padding: 14px; border-radius: var(--radius-md); font-size: 16px; }
.kids-feedback.ok { background: var(--green-soft); color: var(--green); }
.kids-feedback.no { background: var(--amber-soft); color: var(--text); }
.kids-feedback.no b { color: var(--amber); }
.kids-feedback .kids-submit { margin: 0 0 0 auto; }

/* ---------- 奖励 ---------- */
.kids-reward { text-align: center; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: clamp(20px, 5vw, 36px); }
.kids-reward-emoji { font-size: clamp(40px, 10vw, 62px); line-height: 1; }
.kids-reward h1 { font-size: clamp(20px, 4.6vw, 28px); margin: 8px 0; }
.kids-reward-stars { font-size: clamp(22px, 6vw, 34px); letter-spacing: 4px; margin: 6px 0 10px; }
.kids-reward p { color: var(--text-dim); }
.kids-reward-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 18px 0 6px; }
.kids-reward-actions .kids-go { width: auto; min-width: 220px; }
.kids-words { margin-top: 22px; text-align: left; }
.kids-words h2 { font-size: 17px; margin: 0 0 10px; }
.kids-word-list { display: grid; gap: 8px; }
.kids-word { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-soft); }
.kids-word b { font-size: 16px; }
.kids-word span { color: var(--text-dim); font-size: 14px; }
.kids-word .kids-speak { margin-left: auto; }
.kids-word-emoji { font-size: 20px; line-height: 1; }
.kids-word-score { color: var(--text-faint); font-size: 12px; }
.kids-word-score.ok { color: var(--green); }

/* ---------- 家长页 ---------- */
.kids-parent { max-width: 900px; }
.kids-parent-head h1 { margin: 0 0 6px; font-size: clamp(21px, 4.4vw, 27px); }
.kids-parent-head p { color: var(--text-dim); margin: 0 0 18px; }
.kids-parent-grid { display: grid; gap: 12px; grid-template-columns: 1fr; margin-bottom: 12px; }
@media (min-width: 700px) { .kids-parent-grid { grid-template-columns: 1fr 1fr; } }
.kids-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 16px; margin-bottom: 12px; }
.kids-card h2 { font-size: 16px; margin: 0 0 10px; color: var(--text-dim); font-weight: 600; }
.kids-kpi { display: flex; flex-wrap: wrap; gap: 14px 22px; }
.kids-kpi b { font-size: 20px; color: var(--text); }
.kids-list { margin: 0; padding-left: 18px; color: var(--text-dim); font-size: 14px; }
.kids-list li { margin: 5px 0; }
.kids-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.kids-table th, .kids-table td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; }
.kids-table th { color: var(--text-dim); font-weight: 500; }
.kids-table tr.empty td { color: var(--text-faint); }
.kids-parent .kids-levels { margin: 0; }
.kids-parent-course-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; }
.kids-parent-course-head span, .kids-parent-course > p { color: var(--text-dim); font-size: 14px; }
.kids-checkpoints { display: grid; gap: 7px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-top: 14px; }
.kids-checkpoints span { padding: 8px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--text-dim); font-size: 12px; }
.kids-checkpoints span.done { border-color: var(--green); background: var(--green-soft); color: var(--green); }

@media (max-width: 560px) {
  .kids-run-head { gap: 8px; }
  .kids-run-stars { width: 100%; margin-left: 0; }
  .kids-options.pictures { grid-template-columns: 1fr; }
  .kids-feedback .kids-submit { margin-left: 0; width: 100%; }
}

/* ---------- 监护人确认 / 家长门槛 ---------- */
.kids-guardian { max-width: 680px; margin: 0 auto; padding: clamp(18px, 4vw, 28px); }
.kids-guardian h1 { font-size: clamp(20px, 4.6vw, 26px); margin: 0 0 8px; }
.kids-guardian-agree { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0; font-size: 15px; }
.kids-guardian-agree input { width: 20px; height: 20px; margin-top: 2px; flex: none; }
.kids-guardian-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.kids-guardian-actions .kids-go { width: auto; }
.kids-parent-gate { max-width: 520px; margin: 0 auto; }
.kids-parent-gate .kids-card { text-align: center; padding: clamp(20px, 5vw, 32px); }
.kids-gate-question { font-size: 28px; font-weight: 700; margin: 14px 0 10px; }
.kids-gate-input { width: 120px; min-height: 52px; font-size: 22px; text-align: center; border: 1px solid var(--line-strong); border-radius: var(--radius-md); background: var(--bg-soft); color: var(--text); }
.kids-parent-gate .kids-guardian-actions { justify-content: center; margin-top: 12px; }

/* ---------- 半轮提示 ---------- */
.kids-pending { max-width: 620px; margin: 0 auto; text-align: center; padding: clamp(20px, 5vw, 32px); }
.kids-pending p { color: var(--text-dim); }
.kids-run-pending { color: var(--amber); font-weight: 600; }

/* ---------- 朗读题反馈 ---------- */
.kids-say-notice { margin-top: 14px; padding: 14px 16px; border-radius: var(--radius-md); background: var(--amber-soft); font-size: 16px; }
.kids-say-notice p { margin: 0 0 8px; }
.kids-say-notice .kids-note { margin: 0 0 10px; }
.kids-say-notice-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.kids-say-notice-actions .kids-submit { margin-top: 0; }
@media (max-width: 560px) {
  .kids-say-notice-actions .kids-submit { width: 100%; }
  .kids-table { font-size: 12px; }
  .kids-table th, .kids-table td { padding: 7px 4px; }
}