@font-face{font-family:Zen;src:url("fonts/zen-maru-gothic-bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Zen;src:url("fonts/zen-maru-gothic-black.woff2") format("woff2");font-weight:900;font-display:swap}
:root{--ink:#22204e;--pink:#ff6faa;--yellow:#ffd63f;--mint:#bcefdc;--blue:#a9d9ff;--paper:#fffaf1;--line:#282653;--shadow:0 8px 0 rgba(34,32,78,.12)}
*{box-sizing:border-box}
html{min-height:100%;background:#fff7e8}
body{margin:0;min-height:100vh;color:var(--ink);font-family:Zen,"Noto Sans TC",system-ui,sans-serif;background:
radial-gradient(circle at 12% 6%,#ffd0e5 0 12%,transparent 13%),
radial-gradient(circle at 88% 0%,#fff0a5 0 13%,transparent 14%),
linear-gradient(135deg,#fff3f8,#fff8d7 45%,#e8f9ef);overflow-x:hidden}
button,a{font:inherit}
button{color:inherit}
.burst{position:fixed;z-index:-1;border-radius:50%;opacity:.34;pointer-events:none}
.burst-a{width:520px;height:520px;left:-250px;top:120px;background:repeating-conic-gradient(#ff82bd 0 8deg,transparent 8deg 16deg)}
.burst-b{width:640px;height:640px;right:-330px;top:20px;background:repeating-conic-gradient(#64d7c2 0 7deg,transparent 7deg 14deg)}
.topbar{position:sticky;top:0;z-index:20;height:58px;padding:0 max(14px,env(safe-area-inset-left));display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:rgba(255,250,241,.9);backdrop-filter:blur(12px);border-bottom:2px solid rgba(40,38,83,.12)}
.topbar strong{font-weight:900}
.back{justify-self:start;color:var(--ink);text-decoration:none;font-size:14px}
.icon-btn{justify-self:end;width:38px;height:38px;border:2px solid var(--line);border-radius:50%;background:#fff;box-shadow:0 3px 0 rgba(34,32,78,.18);cursor:pointer}
.icon-btn[aria-pressed="false"]{opacity:.45}
#app{width:min(1120px,100%);margin:auto;padding:24px 18px 54px}
.screen{display:none}.screen.active{display:block}
.hero-card,.panel,.question-card,.result-card,.stats-row{background:rgba(255,250,241,.96);border:4px solid var(--line);box-shadow:var(--shadow)}
.hero-card{min-height:380px;border-radius:36px;padding:38px;display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden;position:relative}
.eyebrow{margin:0 0 8px;letter-spacing:.12em;font-size:12px;font-weight:900;color:#786fa6}
h1{margin:0;font-size:clamp(54px,8vw,96px);line-height:.9;letter-spacing:-.055em}
h1 span{color:var(--pink);text-shadow:3px 3px 0 #fff,5px 5px 0 var(--ink)}
.lead{font-size:17px;line-height:1.75;margin:22px 0 28px;max-width:600px}
.hero-actions,.result-actions{display:flex;gap:12px;flex-wrap:wrap}
.primary,.secondary,.course-btn,.quit{border:3px solid var(--line);border-radius:18px;cursor:pointer;font-weight:900;box-shadow:0 5px 0 var(--line);transition:transform .12s ease,box-shadow .12s ease}
.primary:active,.secondary:active,.course-btn:active,.quit:active{transform:translateY(4px);box-shadow:0 1px 0 var(--line)}
.primary{padding:14px 24px;background:var(--yellow);font-size:17px}
.secondary{padding:14px 24px;background:#fff;font-size:17px}
.hero-art{position:relative;min-height:300px}
.cat{position:absolute;width:min(220px,48%);filter:drop-shadow(0 10px 0 rgba(34,32,78,.1))}
.cat.gin{left:5%;bottom:0;transform:rotate(-5deg)}.cat.sumi{right:4%;bottom:-2%;transform:rotate(5deg)}
.key-orbit span{position:absolute;width:68px;height:68px;display:grid;place-items:center;border:4px solid var(--line);border-radius:18px;background:#fff;font-size:30px;font-weight:900;box-shadow:0 5px 0 var(--line)}
.key-orbit span:nth-child(1){top:2%;left:8%;transform:rotate(-9deg)}.key-orbit span:nth-child(2){top:2%;right:5%;transform:rotate(8deg)}.key-orbit span:nth-child(3){top:36%;left:-5%;transform:rotate(4deg)}.key-orbit span:nth-child(4){top:31%;right:-3%;transform:rotate(-5deg)}.key-orbit span:nth-child(5){top:-7%;left:48%;background:#fff0a5}
.panel{margin-top:20px;border-radius:28px;padding:24px}
.panel-head{display:flex;justify-content:space-between;gap:18px;align-items:end}.panel-head h2{margin:0;font-size:28px}.panel-head>p{margin:0;color:#746e91;font-size:13px}
.course-grid{margin-top:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.course-btn{min-height:82px;padding:12px 14px;background:#fff;text-align:left}
.course-btn b{display:block;font-size:18px}.course-btn small{display:block;margin-top:5px;color:#746e91}
.course-btn:nth-child(3n+1){background:#fff0f6}.course-btn:nth-child(3n+2){background:#eef9ff}.course-btn:nth-child(3n){background:#f0fff8}
.stats-row{margin-top:20px;border-radius:26px;padding:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stats-row div,.result-stats div{text-align:center}.stats-row small,.result-stats small{display:block;color:#746e91;font-size:12px}.stats-row b{font-size:30px}
.credits{margin:22px auto 0;max-width:920px;text-align:center;color:#6e6888;font-size:12px;line-height:1.6}.credits p{margin:6px}.credits a{color:inherit}
.hud{display:grid;grid-template-columns:auto repeat(3,1fr) auto auto;gap:10px;align-items:stretch;margin-bottom:14px}
.hud-stat,.combo-box,.timer-box{min-height:58px;border:3px solid var(--line);background:#fff;border-radius:16px;padding:7px 12px;text-align:center}
.hud-stat small,.combo-box small,.timer-box small{display:block;font-size:10px;color:#746e91}.hud-stat b,.combo-box b,.timer-box b{font-size:20px}
.combo-box{background:#fff0a5;min-width:96px}.timer-box{background:#ffe4ee;min-width:78px}
.quit{padding:8px 14px;background:#fff;box-shadow:0 3px 0 var(--line)}
.play-stage{height:94px;position:relative;display:flex;align-items:end;justify-content:center}
.play-cat{position:absolute;width:94px;bottom:-6px;transition:transform .12s ease}.play-cat.left{left:18%}.play-cat.right{right:18%}
.play-cat.hit{animation:catHit .3s ease}.play-cat.miss{animation:catMiss .28s ease}
@keyframes catHit{50%{transform:translateY(-20px) scale(1.08)}}@keyframes catMiss{30%{transform:translateX(-7px) rotate(-4deg)}70%{transform:translateX(7px) rotate(4deg)}}
.note-stream{position:absolute;inset:0;pointer-events:none;overflow:visible}
.flying-note{position:absolute;left:50%;bottom:10px;font-size:24px;animation:noteFly .7s ease-out forwards}
@keyframes noteFly{to{transform:translate(var(--dx),-90px) rotate(var(--rot));opacity:0}}
.question-card{border-radius:28px;padding:24px 26px;text-align:center;min-height:300px;position:relative;overflow:hidden}
.question-meta{display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:13px;color:#746e91}.question-meta span{padding:7px 10px;border-radius:999px;background:#f2efff}.question-meta b{color:var(--ink);font-size:18px}
.context{margin:28px auto 8px;font-size:clamp(44px,9vw,76px);line-height:1.25;font-weight:900;letter-spacing:.06em}
.target-highlight{display:inline-block;padding:0 .09em;background:var(--yellow);border:3px solid var(--line);border-radius:.22em;box-shadow:0 .09em 0 var(--line);transform:rotate(-1deg)}
.source-prompt{margin:0 auto 22px;max-width:740px;color:#746e91;font-size:14px}
.answer-slots{display:flex;justify-content:center;gap:8px;min-height:58px;flex-wrap:wrap}
.slot{width:48px;height:52px;border:3px solid #b6afd4;border-radius:14px;display:grid;place-items:center;background:#fff;font-size:28px;font-weight:900}.slot.done{border-color:var(--line);background:#dcf9ec}.slot.now{border-color:var(--pink);box-shadow:0 0 0 4px rgba(255,111,170,.15)}.slot.tone{width:58px;font-size:16px}
.feedback{min-height:24px;margin:16px 0 0;font-size:14px;font-weight:700}.feedback.bad{color:#d83064}.feedback.good{color:#13825e}
.keyboard-wrap{margin-top:14px;padding:14px;border-radius:24px;background:rgba(255,255,255,.72);border:3px solid rgba(40,38,83,.18)}
.keyboard-head{display:flex;justify-content:space-between;margin:0 4px 9px;color:#746e91;font-size:12px}.space-tip{font-weight:900;color:#ab6b00}
.keyboard{display:flex;flex-direction:column;gap:7px}
.kb-row{display:grid;gap:6px;grid-template-columns:repeat(12,minmax(0,1fr))}
.space-row{grid-template-columns:1fr 4fr 1fr}.space-row .space{grid-column:2}
.kb-key{min-width:0;height:54px;border:2px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 3px 0 var(--line);cursor:pointer;padding:2px;font-weight:900}
.kb-key .bopo{display:block;font-size:20px;line-height:1.1}.kb-key .latin{display:block;font-size:9px;color:#857fa0;font-family:system-ui,sans-serif;font-weight:700}
.kb-key.tone{background:#fff0d4}.kb-key.space{background:#eaf8ff}.kb-key.next{background:var(--yellow);transform:translateY(-2px);box-shadow:0 5px 0 var(--line)}
body.fever .question-card{box-shadow:0 8px 0 rgba(34,32,78,.12),0 0 0 9px rgba(255,214,63,.3)}
body.fever .combo-box{animation:feverPulse .5s ease-in-out infinite alternate}@keyframes feverPulse{to{transform:scale(1.06)}}
.result-card{max-width:720px;margin:34px auto;border-radius:34px;padding:34px;text-align:center}.result-card h2{font-size:42px;margin:0}
.score-main{margin:20px auto;display:grid;place-items:center}.score-main b{font-size:84px;line-height:1;color:var(--pink);text-shadow:3px 3px 0 var(--ink)}.score-main span{margin-top:8px;color:#746e91}
.result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.result-stats div{padding:13px 8px;border:2px solid #d8d3e7;border-radius:14px;background:#fff}.result-stats b{font-size:22px}
.weak-box{margin:18px 0;padding:16px;border-radius:18px;background:#f5f2ff}.weak-box small{color:#746e91}.weak-list{margin-top:8px;font-size:20px;font-weight:900;word-spacing:10px}.result-note{min-height:24px;color:#746e91}.result-actions{justify-content:center}
.toast{position:fixed;z-index:40;left:50%;top:74px;transform:translateX(-50%);padding:10px 16px;border-radius:999px;background:var(--ink);color:#fff;box-shadow:0 5px 18px rgba(0,0,0,.18);font-size:13px}
button:focus-visible,a:focus-visible{outline:4px solid #2f88ff;outline-offset:3px}
@media(max-width:760px){
  #app{padding:14px 10px 36px}.topbar{height:52px}.topbar strong{font-size:14px}
  .hero-card{grid-template-columns:1fr;padding:24px;min-height:0}.hero-art{min-height:220px;margin-top:8px}h1{font-size:58px}.lead{font-size:15px;margin:18px 0}
  .course-grid{grid-template-columns:repeat(2,1fr)}.panel{padding:17px}.panel-head{align-items:start;flex-direction:column}.panel-head>p{margin-top:-10px}
  .stats-row{padding:12px}.stats-row b{font-size:24px}
  .hud{grid-template-columns:auto 1fr 1fr 1fr;gap:6px}.combo-box{grid-column:3/4}.timer-box{grid-column:4/5}.hud-stat:nth-of-type(1){grid-column:2/5}.hud-stat{min-height:50px;padding:6px}.hud-stat b,.combo-box b,.timer-box b{font-size:17px}.quit{grid-row:1/3}
  .play-stage{height:72px}.play-cat{width:74px}.play-cat.left{left:8%}.play-cat.right{right:8%}
  .question-card{padding:18px 12px;min-height:275px}.context{margin-top:24px;font-size:46px}.source-prompt{font-size:12px;margin-bottom:16px}.slot{width:43px;height:48px}
  .keyboard-wrap{padding:9px 6px;border-width:2px}.keyboard{gap:5px}.kb-row{gap:4px}.kb-key{height:48px;border-radius:8px}.kb-key .bopo{font-size:18px}.kb-key .latin{font-size:8px}
  .result-card{padding:25px 16px}.result-card h2{font-size:34px}.score-main b{font-size:68px}.result-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:390px){
  .course-grid{grid-template-columns:1fr}.hero-actions{display:grid}.primary,.secondary{width:100%}.kb-key{height:45px}.kb-key .bopo{font-size:17px}.context{font-size:40px}.slot{width:40px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition:none!important}
}