:root{
  --indigo:#6C5CE7; --grad:linear-gradient(135deg,#7C6CF0,#74B9FF);
  --bg:#FBF7F0; --card:#F1ECFB; --track:#EBE5F8;
  --pink:#FF7C9C; --green:#3FB984; --blue:#5AA9F0; --sunny:#FDCB6E;
  --ink:#473C7A; --ink2:#3D3470; --muted:#9A8FD0;
  --pink-b:#E4B9C6; --green-b:#B7D9C4; --blue-b:#B9CFEC;
  --r-card:22px; --r-q:24px; --r-pill:20px;
  --font:'Quicksand','Noto Sans HK',sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink2);
  -webkit-tap-highlight-color:transparent}
#app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);
  position:relative;overflow-x:hidden}
button{font-family:inherit;cursor:pointer}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@keyframes popIn{0%{transform:scale(.3);opacity:0}60%{transform:scale(1.12)}100%{transform:scale(1);opacity:1}}
@keyframes bouncey{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes wiggle{0%,100%{transform:rotate(-7deg)}50%{transform:rotate(7deg)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes starPop{0%{transform:scale(0) rotate(-40deg);opacity:0}70%{transform:scale(1.25) rotate(12deg)}100%{transform:scale(1) rotate(0);opacity:1}}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
@media (prefers-reduced-motion: reduce){
  .anim-loop{animation:none !important}
}
.scr-header{background:var(--grad);padding:16px 16px 18px;border-radius:0 0 30px 30px;display:flex;align-items:center;gap:12px;color:#fff}
.scr-header.home{padding:22px 18px 24px;border-radius:0 0 34px 34px;position:relative;overflow:hidden}
.iconbtn{border:none;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;flex:none}
.primary-btn{border:none;width:100%;color:#fff;background:var(--grad);border-radius:var(--r-pill);padding:16px;font-weight:700;font-size:18px;box-shadow:0 10px 20px -8px rgba(108,92,231,.6)}
.progress{height:10px;background:var(--track);border-radius:10px;overflow:hidden}
.progress>i{display:block;height:100%;background:var(--grad);border-radius:10px}

/* ===== Task 6: Home screen ===== */
.scr-header.home .avatar{width:60px;height:60px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 6px 16px -4px rgba(0,0,0,.25)}
.home-titles{flex:1}
.home-title{font-weight:700;font-size:22px;line-height:1.15}
.home-sub{font-weight:600;font-size:12px;opacity:.95;margin-top:2px}
.scr-header.home .iconbtn{width:38px;height:38px}
.scr-header.home .deco-star{position:absolute;display:inline-flex;line-height:0}
.scr-header.home .deco-star svg{display:block}
.scr-header.home .deco-star.s1{top:16px;right:24px;opacity:.8}
.scr-header.home .deco-star.s1 svg{width:14px;height:14px}
.scr-header.home .deco-star.s2{top:40px;right:60px;opacity:.7}
.scr-header.home .deco-star.s2 svg{width:9px;height:9px}
.scr-header.home .deco-star.s2 svg path{fill:#fff}
.home-body{padding:20px 18px 8px}
.section-label{font-weight:700;font-size:16px;color:var(--ink);margin-bottom:14px}
.section-label span{color:var(--muted);font-weight:600}
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.cat-card{cursor:pointer;border:none;text-align:left;background:#fff;border-radius:22px;padding:15px;box-shadow:0 8px 18px -10px rgba(108,92,231,.35);display:flex;flex-direction:column;gap:10px;min-height:120px}
.cat-card.personal{border:2.5px dashed var(--pink-b)}
.cat-card.school{border:2.5px dashed var(--green-b)}
.cat-card.hk{border:2.5px dashed var(--blue-b)}
.cat-card.featured{background:var(--indigo);border:2.5px solid var(--indigo);box-shadow:0 10px 20px -8px rgba(108,92,231,.6);position:relative}
.cat-chip{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.cat-chip svg{width:22px;height:22px}
.cat-zh{display:block;font-weight:700;font-size:16px;color:var(--ink)}
.cat-en{display:block;font-weight:600;font-size:12px;color:var(--muted)}
.cat-card.featured .cat-zh{color:#fff}
.cat-card.featured .cat-en{color:rgba(255,255,255,.9)}
.cat-badge{position:absolute;top:11px;right:11px;background:var(--sunny);color:#7a5300;font-weight:700;font-size:10px;padding:3px 9px;border-radius:20px}
.cat-card.creative{border:2.5px dashed #F0CE8E;grid-column:1 / -1}
.cat-card.creative .cat-chip svg path{fill:#7a5300}
.tap-hint{display:flex;align-items:center;justify-content:center;gap:8px;padding:16px 0 24px;color:#7C6CF0;font-weight:600;font-size:13px}
.tap-hint .anim-loop{display:inline-flex;animation:floaty 1.8s ease-in-out infinite}
.tap-hint svg{width:20px;height:20px}

/* ===== Shared screen header bits (quiz / repeat / parent / settings) ===== */
.scr-title{flex:1;color:#fff;font-weight:700;font-size:18px}
.lang-pill{border:none;font-weight:700;font-size:13px;color:var(--indigo);background:#fff;border-radius:20px;padding:6px 12px;flex:none}
.scr-body{padding:18px}
.q-caption{text-align:center;font-weight:600;font-size:12px;color:var(--muted);margin-top:-12px;margin-bottom:14px}

/* ===== Task 7: Quiz screen ===== */
.q-card{background:var(--card);border-radius:24px;padding:20px 18px;text-align:center}
.audio-btn{cursor:pointer;border:none;width:60px;height:60px;border-radius:50%;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px;box-shadow:0 8px 16px -6px rgba(108,92,231,.6)}
.audio-btn svg{width:28px;height:28px}
.q-zh{font-weight:700;font-size:21px;color:var(--ink2);line-height:1.4}
.q-en{font-weight:600;font-size:14px;color:var(--muted);margin-top:6px}
.opts{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.opt{cursor:pointer;text-align:left;background:#fff;border-radius:20px;padding:14px;box-shadow:0 6px 14px -8px rgba(108,92,231,.3);display:flex;align-items:center;gap:12px;position:relative;border:2.5px solid var(--blue-b)}
.opt.pink{border-color:#F0CBD6}
.opt.green{border-color:#BFE6D2}
.opt.blue{border-color:#BCD4F2}
.opt-chip{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.opt-chip svg{width:20px;height:20px}
.opt.pink .opt-chip{background:var(--pink)}
.opt.green .opt-chip{background:var(--green)}
.opt.blue .opt-chip{background:var(--blue)}
.opt-label{flex:1}
.opt-zh{display:block;font-weight:700;font-size:15px;color:var(--ink)}
.opt-en{display:block;font-weight:600;font-size:12px;color:var(--muted)}
.opt-speak{cursor:pointer;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.opt-speak svg{width:18px;height:18px}
.opt.pink .opt-speak svg path{fill:#FF7C9C;stroke:#FF7C9C}
.opt.green .opt-speak svg path{fill:#3FB984;stroke:#3FB984}
.opt.blue .opt-speak svg path{fill:#5AA9F0;stroke:#5AA9F0}
.badge{position:absolute;top:-10px;right:-6px;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;animation:popIn .4s ease}
.badge svg{width:18px;height:18px}
.badge.ok{background:var(--green);box-shadow:0 4px 10px rgba(63,185,132,.5)}
.badge.no{background:var(--pink);box-shadow:0 4px 10px rgba(255,124,156,.5)}
.feedback{margin-top:18px;border-radius:24px;animation:popIn .45s ease}
.feedback.celebrate{background:linear-gradient(135deg,#EFE9FF,#E3F0FF);padding:16px;display:flex;flex-direction:column;align-items:center;gap:8px}
.feedback .owl-wrap{position:relative}
.feedback .owl-wrap .anim-loop{display:inline-flex;animation:bouncey 1s ease-in-out infinite}
.feedback .star{position:absolute;display:inline-flex;line-height:0}
.feedback .star svg{display:block}
.feedback .star.s1{top:-4px;left:-12px;animation:starPop .5s ease}
.feedback .star.s1 svg{width:20px;height:20px}
.feedback .star.s2{top:8px;right:-12px;animation:starPop .6s ease}
.feedback .star.s2 svg{width:16px;height:16px}
.feedback .star.s2 svg path{fill:#FF7C9C}
.feedback.retry{background:#FFF0F4;padding:14px;display:flex;align-items:center;gap:12px}
.feedback.retry .anim-loop{flex:none;display:inline-flex;animation:wiggle 1.2s ease-in-out infinite}
.fb-title{font-weight:700}
.fb-title.ok{font-size:20px;color:var(--green)}
.fb-title.no{font-size:16px;color:#E06A8C}
.feedback.celebrate .fb-sub{font-weight:600;font-size:13px;color:#6A5DA8;text-align:center}
.feedback.retry .fb-sub{font-weight:600;font-size:12px;color:#A98FB5;margin-top:2px}
.primary-btn{margin-top:18px}

/* ===== Task 8: Listen-and-repeat screen ===== */
.model-card{margin-top:18px;background:var(--grad);border-radius:24px;padding:18px;color:#fff;box-shadow:0 10px 20px -8px rgba(108,92,231,.5);text-align:center}
.model-say{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;margin-bottom:12px}
.model-say .mini-owl{width:30px;height:30px;border-radius:50%;background:#fff;display:inline-flex;align-items:center;justify-content:center;flex:none}
.model-say .mini-owl svg{width:24px;height:24px}
.model-text{font-weight:700;font-size:22px;line-height:1.4;margin-bottom:14px;min-height:30px}
.hint-en{font-weight:600;font-size:14px;line-height:1.4;color:rgba(255,255,255,.85);margin-top:-8px;margin-bottom:14px}
.hear-btn{cursor:pointer;border:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:#fff;background:var(--green);border-radius:20px;padding:12px 20px;font-weight:700;font-size:15px;box-shadow:0 8px 16px -6px rgba(63,185,132,.6)}
.hear-btn svg{width:22px;height:22px}
.hear-btn span{display:inline-block}
.model-hint{margin-top:12px;text-align:center;font-weight:600;font-size:12px;color:var(--muted)}

/* ===== Task 9: Parent gate + Parent Setup ===== */
.gate{background:#fff;border-radius:24px;padding:28px 22px;margin-top:40px;text-align:center;box-shadow:0 10px 24px -12px rgba(108,92,231,.4);border:2.5px solid var(--card)}
.gate.shake{animation:shake .45s ease}
.gate-q{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:16px;color:var(--ink);margin-bottom:6px}
.gate-lock{width:40px;height:40px;border-radius:50%;background:var(--card);color:var(--indigo);display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}
.gate-lock svg{width:22px;height:22px}
.gate-sum{font-weight:700;font-size:24px;color:var(--ink2);margin-bottom:18px}
.gate-opts{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.gate-opts .chip{min-width:64px;font-size:20px;padding:14px 18px}
.gate-hint{margin-top:16px;font-weight:600;font-size:12px;color:var(--muted)}
.intro{background:var(--card);border-radius:18px;padding:14px;font-weight:600;font-size:13px;color:var(--ink);line-height:1.5;margin-bottom:6px}
.sec{font-weight:700;font-size:15px;color:var(--ink);margin:20px 0 12px}
.field{margin-bottom:14px}
.lab{font-weight:700;font-size:14px;color:var(--ink);margin:0 0 6px}
.qlabel{font-weight:700;font-size:14px;color:var(--ink);margin:0 0 8px;line-height:1.4}
.qlabel span{display:block;font-weight:600;font-size:12px;color:var(--muted)}
.pf{width:100%;border:2px solid var(--track);border-radius:14px;padding:12px 14px;font-family:inherit;font-weight:600;font-size:16px;color:var(--ink2);background:#fff;outline:none;min-height:44px}
.pf:focus{border-color:var(--indigo)}
.pf.custom{margin-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{cursor:pointer;border:2px solid var(--track);background:#fff;color:var(--ink);border-radius:20px;padding:10px 14px;font-family:inherit;font-weight:600;font-size:14px;min-height:44px}
.chip-on{background:var(--indigo);border-color:var(--indigo);color:#fff}
.chip.danger{border-color:#F0CBD6;color:#E06A8C}
.note-ok{display:flex;align-items:center;gap:8px;background:#EAF7F0;border-radius:14px;padding:12px 14px;font-weight:600;font-size:13px;color:#2f9168;margin-top:18px}
.note-ok svg{width:20px;height:20px;flex:none;border-radius:50%;background:var(--green);padding:3px}

/* ===== Parent interview prep (reference list) ===== */
.pp-card{position:relative;background:#fff;border-radius:20px;padding:16px 52px 16px 16px;margin-bottom:12px;border:2px solid var(--track);box-shadow:0 6px 14px -8px rgba(108,92,231,.3)}
.pp-q-zh{font-weight:700;font-size:16px;color:var(--ink);line-height:1.4}
.pp-q-en{font-weight:600;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.4}
.pp-tip{margin-top:10px;background:#F1ECFB;border-radius:12px;padding:9px 11px;font-weight:600;font-size:12px;color:var(--ink);line-height:1.5}
.pp-speak{position:absolute;top:14px;right:14px;cursor:pointer;border:none;width:36px;height:36px;border-radius:50%;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;flex:none;box-shadow:0 6px 12px -6px rgba(108,92,231,.6)}
.pp-speak svg{width:18px;height:18px}
.pp-link-btn{border:none;width:100%;text-align:left;color:var(--indigo);background:var(--card);border:2px solid var(--track);border-radius:var(--r-pill);padding:14px 16px;font-family:inherit;font-weight:700;font-size:15px;margin-bottom:6px}

/* ===== Task 10: Settings screen ===== */
.set-row{margin-bottom:22px}
.set-row .lab{margin-bottom:10px}
.slider{display:flex;align-items:center;gap:12px}
.slider input[type=range]{flex:1;accent-color:var(--indigo);height:24px}
.rate-out{font-weight:700;font-size:15px;color:var(--ink);min-width:48px;text-align:right}
.note-warn{background:#FFF6E5;border-radius:14px;padding:12px 14px;font-weight:600;font-size:12px;color:#9a6b00;line-height:1.5;margin-bottom:8px}
.site-privacy-link{display:block;width:max-content;margin:16px auto 28px;color:var(--indigo);font-weight:700;font-size:13px}