/* Base compartilhada por todas as páginas: tokens de cor, tipografia e controles comuns */
:root{color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}

:root{
  --bg:#F3F4F7; --surface:#FFFFFF; --ink:#171A24; --muted:#5D6275; --line:#DADDE6;
  --accent:#2946C9; --accent-soft:#E3E8FB; --on-accent:#FFFFFF;
  --t:#1F8A70; --sd:#B97F08; --d:#C0323A;
  --t-soft:#DDF1EB; --sd-soft:#F7ECD3; --d-soft:#F8E0E1;
  --kw:#FCFCFA; --kw-edge:#C9CCD6; --kb:#17181D; --dot:#9AA3C2;
  --display:"Bodoni Moda", "Didot", "Bodoni 72", Georgia, serif;
  --sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  /* Cifras, graus e nomes de tom: traço uniforme, sem confundir C com G (a --display é só para títulos) */
  --chord:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#10121A; --surface:#181B26; --ink:#E8EAF2; --muted:#9BA1B6; --line:#2A2F40;
    --accent:#8397FF; --accent-soft:#232B52; --on-accent:#0E1120;
    --t:#4CC6A5; --sd:#E3B04B; --d:#F07078;
    --t-soft:#15302A; --sd-soft:#342913; --d-soft:#3A1C20;
    --kw:#E7E6E1; --kw-edge:#5A5F70; --kb:#0A0B0F; --dot:#6E7797;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#10121A; --surface:#181B26; --ink:#E8EAF2; --muted:#9BA1B6; --line:#2A2F40;
  --accent:#8397FF; --accent-soft:#232B52; --on-accent:#0E1120;
  --t:#4CC6A5; --sd:#E3B04B; --d:#F07078;
  --t-soft:#15302A; --sd-soft:#342913; --d-soft:#3A1C20;
  --kw:#E7E6E1; --kw-edge:#5A5F70; --kb:#0A0B0F; --dot:#6E7797;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55;padding-block:28px 56px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))} /* em paisagem, desvia do entalhe */
.wrap{max-width:1040px;margin:0 auto;display:flex;flex-direction:column;gap:28px}
header{display:flex;flex-direction:column;gap:6px}
.top-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px}
.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
a.eyebrow{text-decoration:none}
a.eyebrow:hover{color:var(--accent)}
h1{font-family:var(--display);font-weight:700;font-size:clamp(34px,6vw,54px);line-height:1.02;margin:0;text-wrap:balance}
.lede{max-width:62ch;color:var(--muted);margin:4px 0 0}
h2{font-family:var(--display);font-weight:700;font-size:26px;margin:0;text-wrap:balance}
.hint{font-size:13px;color:var(--muted)}

button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{border:0;background:transparent;padding:7px 13px;font-size:14px}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--on-accent)}
.seg.theme button{padding:5px 11px;font-size:13px}
.chip{border:1px solid var(--line);background:transparent;border-radius:8px;min-width:46px;padding:7px 10px;font-family:var(--mono);font-size:14px;transition:background .15s,border-color .15s}
.chip:hover{border-color:var(--accent)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn{border:1px solid var(--line);background:transparent;border-radius:8px;padding:7px 12px;font-size:14px;display:inline-flex;gap:6px;align-items:center}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.primary:hover{color:var(--on-accent);filter:brightness(1.08)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 9px;border-radius:999px;white-space:nowrap}
.tag.T{background:var(--t-soft);color:var(--t)}
.tag.SD{background:var(--sd-soft);color:var(--sd)}
.tag.D{background:var(--d-soft);color:var(--d)}

.today-pill{display:inline-flex;align-items:center;gap:6px;margin-left:auto;font-size:12.5px;font-weight:600;color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:4px 11px 4px 6px;white-space:nowrap}
.today-pill svg{width:16px;height:16px;flex:none}
.today-pill:hover{border-color:var(--accent);color:var(--accent)}
.today-pill.met{color:var(--t);border-color:var(--t)}

.update-toast{position:fixed;left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));margin:0 auto;max-width:460px;z-index:50;display:flex;align-items:center;gap:8px;background:var(--surface);color:var(--ink);border:1px solid var(--accent);border-radius:12px;padding:10px 10px 10px 16px;box-shadow:0 8px 28px rgba(0,0,0,.18);font-size:14px;font-weight:600}
.update-toast span{flex:1}

@media (max-width:600px){
  .seg button,.chip,.btn{min-height:40px}
}
/* Celular deitado (paisagem): cabeçalho compacto e pauta/teclado cabendo na altura da tela */
@media (orientation:landscape) and (max-height:520px){
  body{padding-block:10px 28px}
  .wrap{gap:14px}
  header{gap:2px}
  h1{font-size:26px}
  .lede{display:none}
  h2{font-size:21px}
  .card{padding:12px;gap:10px}
  /* área de treino: tudo mais baixo para pauta e teclado caberem juntos */
  .stats{gap:2px 16px}
  .stats .stat b{font-size:15px}
  .stats .lbl{font-size:9.5px}
  .bar{height:4px}
  p.prompt:not(:has(b)){display:none}
  .prompt b{font-size:20px!important}
  .feedback{font-size:13.5px;min-height:1.3em}
  .count{min-height:28px}
  .count:has(.msg){display:none} /* instruções já estão no botão e no aviso */
  .count span{font-size:24px}
  .kbd-scroll svg,#piano,.kbd{max-height:31vh!important}
  #staff{max-height:30vh}
  #score{max-height:33vh}
  svg.score{max-height:40vh}
  .cifra{font-size:44px!important}
  #pad{min-height:70px!important}
  .seg button,.chip,.btn{min-height:34px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}