@font-face{font-family:Rally Clefs;src:url(clefs.ttf) format("truetype");font-display:swap}
:root{color-scheme:dark;--ink:#f8f3e9;--muted:#b9bac5;--gold:#f4cb62;--teal:#8fe5c1;--blue:#a9ccff;--bg:#181b23;--panel:#242834;--line:#454958;font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink)}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 17% 3%,#32313b 0,transparent 52%),var(--bg)}
button,select{font:inherit}
button{cursor:pointer}
button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
button:disabled{cursor:default;opacity:.54}
.site-header{border-bottom:1px solid var(--line)}
.header-inner{max-width:1112px;margin:auto;padding:12px 24px;min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;letter-spacing:-.035em}
.header-label{font-size:.7rem;letter-spacing:.14em;font-weight:800;color:var(--gold)}
main{max-width:1112px;margin:auto;padding:40px 24px 36px}
#setup{display:grid;grid-template-columns:1fr minmax(320px,460px);gap:24px 54px;align-items:stretch}
.hero{padding:18px 0 0;min-width:0;position:relative;overflow:hidden}
.eyebrow{font-size:.72rem;font-weight:850;letter-spacing:.13em;color:var(--muted);margin:0}
.signal{display:inline-block;width:8px;height:8px;background:var(--gold);border-radius:50%;margin-right:5px;box-shadow:0 0 13px #f4cb6277}
.hero h1{font-size:clamp(4.2rem,9vw,7.8rem);letter-spacing:-.085em;line-height:.84;margin:32px 0 22px;font-weight:860}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p:not(.eyebrow){color:#dedde3;font-size:1.15rem;max-width:29ch;line-height:1.48}
#demo{color:#dbbd73;width:min(65%,285px);transform:rotate(-10deg);opacity:.66;margin:10px 12px 0}
#demo svg,#staff svg{display:block;width:100%}
.clef{font-family:"Rally Clefs",serif;fill:currentColor}
.accidental{font-family:Georgia,serif;fill:currentColor}
.panel{border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:0 18px 42px #11131844}
.setup-panel{padding:27px}
.section-number{display:inline-block;color:var(--gold);padding-right:8px}
h2{margin:0;font-size:1.38rem;letter-spacing:-.035em}
.setup-panel h2{margin:11px 0 0;font-size:2rem}
.muted{color:var(--muted)}
.setup-intro{margin:5px 0 24px;font-size:.93rem}
label{display:block;font-size:.83rem;font-weight:750;margin:14px 0 6px}
select{width:100%;min-height:48px;color:var(--ink);background:#181b24;border:1px solid #575c6e;border-radius:10px;padding:8px 13px}
.pool-preview{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:18px 0;background:#1b202b;border:1px solid #3b4051;border-radius:11px;padding:12px}
.pool-preview strong{display:block}
.pool-preview span:not(.round-pill){font-size:.8rem;color:var(--muted)}
.round-pill{display:inline-block;color:var(--gold);font-size:.75rem;font-weight:800;background:#554625;border:1px solid #81632d;border-radius:30px;padding:4px 9px;white-space:nowrap}
.primary,.quiet{border-radius:10px;border:1px solid transparent;min-height:42px;padding:9px 15px;font-weight:790;line-height:1.15}
.primary{background:var(--gold);color:#1d1a15;border-color:#f9db88}
.primary:hover:not(:disabled){background:#ffe09a}
.quiet{background:#2b3040;border-color:#4d5365;color:var(--ink)}
.quiet:hover:not(:disabled){background:#383e50}
.start{width:100%;min-height:49px;display:flex;justify-content:space-between;align-items:center;padding-inline:16px}
.curriculum{margin-top:16px;font-size:.83rem;color:var(--muted);line-height:1.5}
.curriculum summary{cursor:pointer;color:#e0d9c9;width:fit-content}
.curriculum ul{padding-left:20px}
.curriculum a{color:var(--blue)}
#pool-notes{font-variant-numeric:tabular-nums;color:var(--ink)}
#pool-range,#pool-notes{white-space:pre-line}
.tiers{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tiers>div{min-width:0;display:flex;gap:10px;align-items:center;padding:11px 13px;border:1px solid var(--line);border-radius:13px;background:#222633}
.tier-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;font-size:1.16rem;flex:none}
.tier-icon.flash{background:#584927;color:var(--gold)}
.tier-icon.groove{background:#294839;color:var(--teal)}
.tier-icon.steady{background:#2e405e;color:var(--blue)}
.tiers strong,.tiers small{display:block}
.tiers small{color:var(--muted);font-size:.76rem;margin-top:2px}
.game-top{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;margin-bottom:13px}
#progress-label{display:inline-block;margin-left:7px;color:#dedde3;font-variant-numeric:tabular-nums;font-size:.82rem;font-weight:700}
progress{grid-column:1/-1;width:100%;height:6px;border:0;border-radius:20px;background:#373d4d;overflow:hidden;accent-color:var(--gold)}
progress::-webkit-progress-bar{background:#373d4d}
progress::-webkit-progress-value{background:var(--gold)}
progress::-moz-progress-bar{background:var(--gold)}
.game-grid{display:grid;grid-template-columns:minmax(230px,.85fr) minmax(0,1.15fr);gap:16px;align-items:stretch}
.prompt{padding:17px}
.prompt-meta{display:flex;justify-content:space-between;align-items:center;gap:8px}
.timer{padding:5px 9px;border-radius:7px;background:#191d28;font-weight:780;font-variant-numeric:tabular-nums;color:var(--gold);white-space:nowrap}
.timer[data-tier=groove]{color:var(--teal)}
.timer[data-tier=steady]{color:var(--blue)}
#staff{color:var(--ink);margin:8px auto;outline:none}
#staff svg{height:158px}
.timer-track{height:4px;border-radius:99px;background:#444859;overflow:hidden}
#timer-fill{height:100%;background:var(--gold)}
#timer-fill[data-tier=groove]{background:var(--teal)}
.answers{padding:17px;min-width:0}
.answer-head p{margin:3px 0 10px;font-size:.86rem}
#answer-board{border-radius:12px;min-width:0}
fieldset{border:0;margin:11px 0 0;padding:0;min-width:0}
legend{font-size:.75rem;color:var(--muted);font-weight:750;margin-bottom:5px;padding:0}
.choices{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}
#accidentals{grid-template-columns:repeat(3,minmax(0,1fr))}
.choice{border:1px solid #575c6e;background:#191d28;color:var(--ink);border-radius:8px;min-height:44px;font-weight:800;padding:0 2px}
#letters .choice{font-size:1.15rem}
.choice:hover{border-color:var(--gold)}
.choice[aria-pressed=true]{color:#211c13;background:var(--gold);border-color:#f9db88}
.hint{margin:9px 0 0;font-size:.82rem;color:var(--teal)}
.actions{position:sticky;bottom:0;z-index:3;display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;padding:8px;border-radius:12px;background:#181b23f5;border:1px solid var(--line);min-height:59px}
.action-buttons{display:flex;gap:6px;margin-left:auto}
#feedback{font-size:.88rem;font-weight:800;padding-left:5px}
#feedback.flash{color:var(--gold)}
#feedback.groove{color:var(--teal)}
#feedback.steady{color:var(--blue)}
#feedback.retry{color:#ffd2a9}
kbd{margin-left:5px;color:#4d3e22}
#celebration{pointer-events:none;position:fixed;z-index:4;inset:0;overflow:hidden}
#celebration i{position:absolute;left:50%;top:47%;width:9px;height:9px;background:var(--gold);border-radius:2px;animation:burst .87s ease-out both}
#celebration i:nth-child(3n){background:var(--teal);border-radius:50%}
#celebration i:nth-child(3n + 1){background:var(--blue)}
#celebration.groove i{width:6px;height:6px;animation-duration:.66s}
@keyframes burst{from{transform:translate(0,0) rotate(0);opacity:1}to{transform:translate(var(--dx),var(--dy)) rotate(calc(120deg * var(--i)));opacity:0}}
.results{margin:0 auto;max-width:700px;text-align:center;padding:30px}
.results h1{font-size:clamp(2.2rem,6vw,4rem);margin:10px 0;letter-spacing:-.065em}
.results-mark{width:64px;height:64px;margin:0 auto 14px;display:grid;place-items:center;background:#514426;border-radius:19px;color:var(--gold);font-size:2.3rem}
.results .tiers{text-align:left;margin:22px 0}
.result-actions{display:flex;justify-content:center;gap:9px;margin-top:19px}
@media(max-width:720px){
  main{padding:20px 14px 22px}
  .header-inner{padding:9px 14px;min-height:55px}
  .brand img{width:30px;height:30px}
  #setup{grid-template-columns:1fr;gap:15px}
  .hero{padding:4px 0 2px}
  .hero h1{font-size:clamp(3rem,11vw,5rem);margin:13px 0 6px}
  .hero h1 br{display:none}
  .hero h1 em{margin-left:.15em}
  .hero p:not(.eyebrow){font-size:.95rem;margin:7px 0;max-width:42ch}
  #demo{display:none}
  .setup-panel{padding:17px}
  .tiers{gap:6px}
  .tiers>div{padding:7px 6px;gap:5px}
  .tier-icon{width:24px;height:27px;font-size:.92rem}
  .tiers strong{font-size:.74rem}
  .tiers small{font-size:.62rem}
  .game-grid{grid-template-columns:1fr;gap:8px}
  .game-top{margin-bottom:8px}
  .game-top .eyebrow{font-size:.62rem;letter-spacing:.04em}
  .prompt,.answers{padding:9px 11px;border-radius:14px}
  #staff{margin:4px auto}
  #staff svg{height:124px}
  .prompt-meta .eyebrow{font-size:.64rem}
  .timer{padding:2px 6px;font-size:.82rem}
  .answer-head h2{font-size:1.13rem}
  .answer-head p{font-size:.74rem;margin:2px 0 6px}
  .actions{margin-top:8px;padding:5px 6px;min-height:46px}
  .actions button{padding:7px 8px;min-height:36px;font-size:.78rem}
  #feedback{font-size:.75rem;padding-left:2px}
  .results{padding:20px 11px}
}
@media(prefers-reduced-motion:reduce){#celebration{display:none}}