:root{
  --bg1:#eaeec6; --bg2:#dfe4b0; --ink:#1f2318; --olive:#5f6b38; --gold:#d39a52; --gold-l:#f0d29b; --gold-d:#9a6326;
  --muted:#6f7264; --line:#e2e0d2; --card:#fff; --ok:#4f9a5a; --ok-d:#2f6b38; --ng:#d2553a; --ng-d:#a33a24;
  --radius:24px; --shadow:0 12px 32px rgba(31,38,20,.08);
  --zh:"Noto Sans TC",system-ui,sans-serif; --en:"Inter","Noto Sans TC",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{font-family:var(--zh);color:var(--ink);background:#eaeec6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
img{max-width:100%;display:block}
.glow{position:fixed;left:50%;top:22%;width:520px;height:520px;transform:translate(-50%,-50%);border-radius:50%;background:#f3f5e2;filter:blur(110px);opacity:.9;pointer-events:none;z-index:0}

.app{position:relative;z-index:1;width:100%;max-width:480px;min-height:100svh;margin:0 auto;padding:max(20px,env(safe-area-inset-top)) 20px max(28px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}
.screen{display:flex;flex-direction:column;gap:18px;flex:1;animation:in .35s ease}
@keyframes in{from{opacity:0}to{opacity:1}}
.grow{flex:1}
.center{align-items:center;text-align:center}
.mid{justify-content:center}

/* type */
.h1{font-size:clamp(40px,11vw,56px);font-weight:900;letter-spacing:.04em;line-height:1.1}
.h2{font-size:26px;font-weight:900}
.h3{font-size:20px;font-weight:900}
.sub{color:var(--muted);font-size:14px;line-height:1.6}
.en{font-family:var(--en)}
.eyebrow{font-family:var(--en);font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--gold-d)}

/* parts */
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:99px;background:rgba(255,255,255,.7);font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap}
.chip.dark{background:var(--olive);color:#fff}
.chip.soft{background:var(--bg1);color:var(--olive)}
.row{display:flex;gap:10px;align-items:center}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:17px 20px;border-radius:99px;font-size:16px;font-weight:700;letter-spacing:.04em;transition:transform .1s,opacity .2s,background .2s}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--ink);color:#fff}
.btn.gold{background:linear-gradient(180deg,var(--gold-l),var(--gold));color:var(--ink);box-shadow:0 10px 24px rgba(211,154,82,.35)}
.btn.ghost{border:1px solid rgba(31,35,24,.2);background:rgba(255,255,255,.55)}
.btn:disabled{background:var(--line);color:#a9a89b;box-shadow:none;cursor:not-allowed}
.btn .arr{font-family:var(--en)}
.iconbtn{width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;font-size:15px;flex:none}
.skip{width:58px;height:58px;border-radius:50%;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--muted);flex:none}
.links{display:flex;justify-content:center;gap:28px;font-size:14px;color:var(--muted)}
.links button{padding:6px}

.field{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 18px;transition:border .2s,box-shadow .2s}
.field:focus-within{border:2px solid var(--olive);padding:0 17px}
.field input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:17px 0;font-size:16px;font-weight:500}
.field input::placeholder{color:#a9a89b;font-weight:400}
.field .lbl{font-size:12px;color:var(--muted);font-weight:700;white-space:nowrap}
.field .mark{font-weight:700}
.field.ok{border:2px solid var(--ok);padding:0 17px}.field.ok .mark{color:var(--ok)}
.field.ng{border:2px solid var(--ng);padding:0 17px}.field.ng .mark{color:var(--ng)}
.field.err{border:2px solid var(--ng);padding:0 17px}
.err-text{color:var(--ng-d);font-size:13px;font-weight:500;min-height:18px}

/* home */
.brand{display:flex;justify-content:center;align-items:center;gap:8px;min-height:40px}
.brand img{height:40px}
.brand .txt{font-weight:900;color:var(--olive)}
.vinyl{width:min(62vw,240px);aspect-ratio:1;border-radius:50%;position:relative;margin:6px auto;
  background:
    conic-gradient(from 20deg,transparent 0 6%,rgba(255,255,255,.2) 9%,transparent 15% 50%,rgba(255,255,255,.14) 58%,transparent 66%),
    repeating-radial-gradient(circle,rgba(255,255,255,.05) 0 1px,transparent 1.5px 4px),
    radial-gradient(circle,#2c2c2a,#0d0d0c 72%);
  box-shadow:0 26px 44px -8px rgba(38,46,20,.45),inset 0 0 0 1px rgba(255,255,255,.14)}
.vinyl.spin{animation:spin 6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.vinyl .label{position:absolute;inset:31%;border-radius:50%;background:linear-gradient(135deg,var(--gold-l),#c98a3e);display:grid;place-items:center;align-content:center;gap:2px;box-shadow:inset 0 0 0 3px rgba(122,79,28,.18)}
.vinyl .label b{font-size:clamp(12px,3.6vw,15px);color:#3b2a12;letter-spacing:.1em}
.vinyl .label i{font-style:normal;font-family:var(--en);font-weight:700;font-size:7px;letter-spacing:.3em;color:rgba(59,42,18,.7)}
.vinyl .label::after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#eef0d0;left:50%;top:50%;transform:translate(-50%,-50%)}
.vinyl .label b{transform:translateY(-10px)}.vinyl .label i{transform:translateY(8px)}
.home-form{display:flex;flex-direction:column;gap:12px}

/* game header */
.qhead{display:flex;align-items:center;gap:10px}
.qnum{font-family:var(--en);font-weight:800;font-size:17px}
.qnum small{font-weight:400;color:var(--muted);font-size:14px}
.segs{display:flex;gap:4px}
.segs i{flex:1;height:5px;border-radius:3px;background:rgba(255,255,255,.7)}
.segs i.done{background:var(--olive)}.segs i.now{background:var(--gold)}
.qtitle{display:flex;flex-direction:column;gap:10px;align-items:flex-start}

/* player */
.player{display:flex;flex-direction:column;align-items:center;gap:18px;padding:30px 24px}
.eq{display:flex;align-items:flex-end;gap:5px;height:56px}
.eq i{width:6px;height:8px;border-radius:3px;background:var(--line);transition:height .2s}
.player.playing .eq i{background:var(--gold);animation:eq 1s ease-in-out infinite}
@keyframes eq{0%,100%{height:10px}50%{height:var(--h)}}
.play{width:80px;height:80px;border-radius:50%;background:var(--ink);color:#fff;font-size:26px;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.2)}
.player.playing .play{background:var(--gold)}
.ptime{font-size:13px;color:var(--muted)}

/* zhuyin / lyrics */
.zy{display:flex;flex-direction:column;gap:10px;align-items:center}
.zy .line{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.zy .ch{width:40px;height:50px;border-radius:12px;background:#F4F3EF;display:grid;place-items:center;font-size:22px;font-weight:900;color:var(--olive)}
.lyrics{font-size:18px;font-weight:700;line-height:1.9;white-space:pre-wrap;text-align:center}
.lyrics .star{display:inline-grid;place-items:center;width:28px;height:28px;margin:2px;border-radius:8px;background:linear-gradient(180deg,var(--gold-l),var(--gold));color:#fff;font-size:14px;vertical-align:middle}

/* feedback */
.fb{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:20px;animation:in .3s ease}
.fb .ico{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;flex:none}
.fb .t{font-weight:900;font-size:16px}
.fb .a{font-size:13px;font-weight:500;line-height:1.5}
.fb .pts{font-family:var(--en);font-weight:800;font-size:18px;margin-left:auto}
.fb.ok{background:rgba(79,154,90,.14)}.fb.ok .ico{background:var(--ok)}.fb.ok .t,.fb.ok .pts{color:var(--ok-d)}
.fb.half{background:rgba(211,154,82,.18)}.fb.half .ico{background:var(--gold)}.fb.half .t,.fb.half .pts{color:var(--gold-d)}
.fb.ng{background:rgba(210,85,58,.12)}.fb.ng .ico{background:var(--ng)}.fb.ng .t,.fb.ng .pts{color:var(--ng-d)}

/* countdown / loading */
.count{width:220px;height:220px;border-radius:50%;border:3px solid var(--gold);display:grid;place-items:center;font-family:var(--en);font-weight:800;font-size:120px;background:rgba(255,255,255,.5)}
.count span{animation:pop .9s ease}
@keyframes pop{from{transform:scale(1.4);opacity:0}to{transform:none;opacity:1}}
.spinner{width:140px;height:140px;border-radius:50%;border:6px solid rgba(31,35,24,.08);border-top-color:var(--gold);display:grid;place-items:center;animation:spin 1.2s linear infinite}
.spinner span{animation:spin 1.2s linear infinite reverse;font-size:40px;color:var(--gold-d)}

/* result */
.score{font-family:var(--en);font-weight:800;font-size:112px;letter-spacing:-.04em;line-height:1}
.score small{font-family:var(--zh);font-size:20px;font-weight:700;color:var(--muted);letter-spacing:0;margin-left:4px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%}
.kpi{background:rgba(255,255,255,.6);border:1px solid rgba(31,35,24,.08);border-radius:18px;padding:14px 6px;text-align:center}
.kpi b{display:block;font-family:var(--en);font-size:22px;font-weight:800}
.kpi span{font-size:12px;color:var(--muted)}
.bars{display:flex;flex-direction:column;gap:12px;width:100%}
.bar{display:flex;align-items:center;gap:10px;font-size:13px}
.bar .name{width:52px;color:var(--muted);font-weight:500;flex:none}
.bar .track{display:block;flex:1;height:8px;border-radius:4px;background:rgba(31,35,24,.08);overflow:hidden}
.bar .fill{display:block;height:100%;border-radius:4px;background:var(--gold);transition:width .8s ease}
.bar .fill.olive{background:var(--olive)}.bar .fill.red{background:var(--ng)}
.bar .val{font-family:var(--en);font-weight:700;min-width:38px;text-align:right}
.bar .me{width:14px;font-weight:700;text-align:center}
.event{text-decoration:none;color:inherit;display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:18px;background:#fff;box-shadow:var(--shadow);text-align:left;width:100%}
.event .ico{width:40px;height:40px;border-radius:50%;background:var(--olive);color:var(--gold-l);display:grid;place-items:center;flex:none}
.event .go{margin-left:auto;font-weight:700;color:var(--olive);white-space:nowrap}

/* leaderboard */
.tabs{display:flex;padding:4px;border-radius:99px;background:rgba(255,255,255,.55)}
.tabs button{flex:1;padding:10px;border-radius:99px;font-size:14px;color:var(--muted);font-weight:500}
.tabs button.on{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 2px 6px rgba(0,0,0,.06)}
.podium{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:10px;align-items:end}
.pod{display:flex;flex-direction:column;align-items:center;gap:8px}
.pod .av{width:52px;height:52px;border-radius:50%;background:#f1efe4;display:grid;place-items:center;font-weight:900;color:var(--olive);border:3px solid var(--c)}
.pod.p1 .av{width:64px;height:64px;font-size:22px}
.pod .nm{font-weight:700;font-size:14px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pod .base{width:100%;border-radius:16px 16px 0 0;background:linear-gradient(180deg,var(--c),rgba(255,255,255,.4));display:flex;flex-direction:column;align-items:center;padding-top:12px;color:#fff}
.pod .base b{font-family:var(--en);font-size:28px;font-weight:800}
.pod .base span{font-size:12px;font-weight:700;color:var(--ink)}
.list{padding:6px}
.list .it{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px}
.list .it+.it{border-top:1px solid #f0eee4}
.list .it .r{width:24px;font-family:var(--en);font-weight:700;color:var(--muted)}
.list .it .n{flex:1;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list .it .s{font-family:var(--en);font-weight:800}
.list .it.me{background:var(--bg1)}
.mebar{position:sticky;bottom:12px;display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:20px;background:var(--ink);color:#fff}
.mebar .r{font-family:var(--en);font-weight:800;color:var(--gold-l)}
.mebar .n{flex:1;font-weight:700}
.mebar .s{font-family:var(--en);font-weight:800}
.empty{text-align:center;color:var(--muted);padding:30px 0}

/* rules */
.rule{display:flex;align-items:center;gap:14px;padding:18px}
.rule .ic{width:48px;height:48px;border-radius:50%;background:#eef0e4;display:grid;place-items:center;font-weight:900;color:var(--olive);font-size:20px;flex:none}
.rule .tx{flex:1}
.rule .tx b{display:block;font-size:16px;font-weight:900}
.rule .tx span{font-size:13px;color:var(--muted)}
.score-rule{background:var(--ink);color:#fff;padding:18px 20px}
.score-rule b{color:var(--gold-l);font-size:13px;display:block;margin-bottom:6px}
.score-rule p{font-size:14px;line-height:1.8}
.titles{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;margin-top:8px;font-size:12px;color:rgba(255,255,255,.7)}

/* share sheet */
.sheet-bg{position:fixed;inset:0;background:rgba(20,22,15,.6);z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:16px;padding:20px;animation:in .25s ease}
.sheet-bg .hint{color:#fff;font-size:13px;opacity:.8}
.sharecard{width:min(78vw,300px);aspect-ratio:9/16;border-radius:24px;overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,.3)}
.sharecard canvas{width:100%;height:100%;display:block}
.sheet{width:100%;max-width:440px;background:#fff;border-radius:24px;padding:20px;display:flex;justify-content:space-between}
.sheet button{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11px;font-weight:500}
.sheet .ic{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700}
.sheet-close{position:absolute;top:16px;right:16px;color:#fff;font-size:22px;width:40px;height:40px}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:99px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:30}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 置底按鈕列 + 懸浮答題結果 */
.screen:has(.dock){padding-bottom:96px}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:5;margin:0 auto;width:100%;max-width:480px;padding:14px 20px max(18px,env(safe-area-inset-bottom));background:linear-gradient(180deg,#eaeec600,#eaeec6 100%)}
.dock #fbx{position:absolute;left:20px;right:20px;bottom:calc(100% - 6px)}
.dock .fb{box-shadow:0 12px 30px rgba(31,38,20,.18);animation:up .3s ease}
.dock .fb.ok{background:#e4efdc}.dock .fb.half{background:#f6ead6}.dock .fb.ng{background:#f9e3dc}
@keyframes up{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.screen:has(.dock #fbx .fb){padding-bottom:180px}

/* 結果頁欄位 */
.col{display:flex;flex-direction:column;gap:12px;width:100%;align-self:stretch}
.row>.btn{flex:1;min-width:0;white-space:nowrap}

@media (max-width:899px){
  .zy .line{gap:6px}
  .zy .ch{width:30px}
}

/* ---------- RWD: 平板 / 桌機 ---------- */
@media (min-width:900px){
  .app{max-width:1040px;padding:40px 48px}
  .glow{width:900px;height:900px;top:40%}
  .screen.wide{display:grid;grid-template-columns:1.1fr 1fr;gap:20px 64px;align-items:center;align-content:center}
  .screen.wide>.full{grid-column:1/-1}
  .screen.wide .vinyl{width:360px}
  .screen.wide .col{display:flex;flex-direction:column;gap:18px}
  .screen.narrow{width:100%;max-width:520px;margin:0 auto}
  .screen.game{max-width:560px;width:100%;margin:0 auto}
  .dock{max-width:600px;padding-left:20px;padding-right:20px}
  .h1{font-size:64px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}