:root{
  --bg:#E7DFCC; --surface:#F6F1E4; --sunk:#E0D7C2;
  --strip:#F9F4E8; --strip-ink:#191510; --strip-soft:#7A7263; --strip-line:rgba(25,21,16,.28);
  --ink:#191510; --ink-2:#5E5749; --ink-3:#918977;
  --line:rgba(25,21,16,.12); --line-2:rgba(25,21,16,.22);
  --red:#BE3A28;
  --btn:#191510; --btn-ink:#F8F4E9;
  --shadow:0 1px 2px rgba(25,21,16,.05),0 14px 30px -18px rgba(25,21,16,.35);
  --scrim:rgba(25,21,16,.45);
  --radius:16px; --tap:48px;
  --display:"Big Shoulders Display",Impact,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
html[data-theme="night"]{
  --bg:#121110; --surface:#1D1B18; --sunk:#0E0D0C;
  --strip:#D8CFBB; --strip-ink:#17140F; --strip-soft:#6B6455; --strip-line:rgba(23,20,15,.3);
  --ink:#F1EBDB; --ink-2:#A69E8D; --ink-3:#7C7565;
  --line:rgba(241,235,219,.11); --line-2:rgba(241,235,219,.2);
  --red:#E05B49;
  --btn:#F1EBDB; --btn-ink:#17140F;
  --shadow:0 1px 2px rgba(0,0,0,.4);
  --scrim:rgba(0,0,0,.62);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{background:var(--bg);color:var(--ink)}
body{
  font-family:"IBM Plex Sans",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.5;
  padding:max(12px,env(safe-area-inset-top)) 16px calc(26px + env(safe-area-inset-bottom));
  touch-action:manipulation;-webkit-text-size-adjust:100%;transition:background .25s,color .25s;
}
.app{max-width:1000px;margin:0 auto;display:flex;flex-direction:column;gap:13px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit}
:focus-visible{outline:2.5px solid var(--red);outline-offset:3px;border-radius:6px}
.card{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:2px 2px 0}
.brand{display:flex;align-items:center;gap:11px}
.brand .mark{width:42px;height:42px;flex:none}
.wordmark{font-family:var(--display);font-size:36px;line-height:.84;letter-spacing:.004em}
.wordmark b{font-weight:800}
.wordmark em{font-style:normal;font-weight:700;color:var(--ink-2)}
.bar .tagline{width:100%;font-size:13.5px;line-height:1.4;color:var(--ink-2);max-width:56ch;margin-top:-1px}
.tools{display:flex;gap:8px;align-items:center;position:relative}
.chip{height:var(--tap);min-width:var(--tap);padding:0 15px;border:1.5px solid var(--line-2);border-radius:999px;display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.06em}
.chip:active{background:var(--sunk)}
.langmenu{position:absolute;top:calc(var(--tap) + 8px);right:0;z-index:40;background:var(--surface);border:1.5px solid var(--line-2);border-radius:14px;box-shadow:var(--shadow);padding:6px;display:none;min-width:150px}
.langmenu.open{display:block}
.langmenu a{display:block;padding:11px 14px;border-radius:9px;text-decoration:none;font-size:15px}
.langmenu a:hover{background:var(--sunk)}
.langmenu a[aria-current="true"]{background:var(--btn);color:var(--btn-ink)}

.now{display:flex;align-items:stretch;overflow:hidden}
.now .nav{width:46px;flex:none;display:grid;place-items:center;color:var(--ink-3)}
.now .nav:active{background:var(--sunk)}
.now .nav svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.now .body{flex:1;min-width:0;text-align:left;padding:13px 6px}
.now .eyebrow{display:block;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}
.now .name{display:block;font-family:var(--display);font-weight:700;font-size:31px;line-height:1.03;margin:2px 0 4px;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.now .stick{display:block;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);letter-spacing:.16em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.now .stick i{font-style:normal;color:var(--red);font-weight:600}
.now .meta{display:block;font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-top:3px}

.strip{position:relative;background:var(--strip);border-radius:var(--radius);overflow:hidden;border:1.5px solid var(--line);box-shadow:var(--shadow)}
.strip canvas{display:block;width:100%;height:190px}
.fade{position:absolute;top:0;bottom:0;width:30px;pointer-events:none;z-index:2}
.fade.l{left:0;background:linear-gradient(90deg,var(--strip),transparent)}
.fade.r{right:0;background:linear-gradient(270deg,var(--strip),transparent)}
.tagsig{position:absolute;left:12px;top:10px;z-index:3;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--strip-soft)}
.lamp{position:absolute;right:12px;top:11px;z-index:3;width:10px;height:10px;border-radius:50%;background:rgba(25,21,16,.15);transition:transform .08s,background .08s}
.lamp.on{background:var(--red)} .lamp.acc{transform:scale(1.7)}

.console{padding:18px 16px 14px}
.deck{display:flex;flex-direction:column;align-items:center;gap:15px}
.pad{position:relative;width:170px;height:170px;display:grid;place-items:center;flex:none}
.lug{position:absolute;left:50%;top:50%;width:9px;height:9px;margin:-4.5px;border-radius:50%;background:var(--line-2);transform:translate(var(--tx,0),var(--ty,0));transition:background .07s,transform .07s,opacity .07s}
.lug.on{background:var(--ink);transform:translate(var(--tx,0),var(--ty,0)) scale(1.55)}
.lug.on.first{background:var(--red)}
#play{width:116px;height:116px;border-radius:50%;background:var(--btn);color:var(--btn-ink);display:grid;place-items:center;transition:transform .12s}
#play:active{transform:scale(.955)}
#play svg{width:33px;height:33px;fill:currentColor}
.tempo{width:100%;max-width:430px}
.stepper{display:flex;gap:9px}
.step{flex:none;width:58px;min-height:68px;border:1.5px solid var(--line-2);border-radius:13px;font-family:var(--mono);font-size:16px;font-weight:500;display:grid;place-items:center}
.step:active{background:var(--sunk)}
.readout{flex:1;text-align:center;border-radius:13px;background:var(--sunk);display:flex;flex-direction:column;justify-content:center;padding:5px 0 7px}
.readout b{font-family:var(--mono);font-weight:600;font-size:43px;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.readout span{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-top:3px}
input[type=range]{width:100%;height:34px;accent-color:var(--red);background:transparent;margin-top:9px}
.tempo-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.ghost{border:1.5px solid var(--line-2);border-radius:999px;padding:9px 17px;font-size:14px;min-height:44px}
.ghost:active{background:var(--sunk)}
.counter{font-family:var(--mono);font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.hint{text-align:center;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);min-height:16px;margin-top:12px}

.sheet>summary{list-style:none;cursor:pointer;padding:15px 16px;display:flex;align-items:center;justify-content:space-between;font-family:var(--display);font-weight:700;font-size:22px;text-transform:uppercase;letter-spacing:.02em;min-height:var(--tap)}
.sheet>summary::-webkit-details-marker{display:none}
.sheet>summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);transform:rotate(45deg) translate(-2px,-2px);transition:transform .2s}
.sheet[open]>summary::after{transform:rotate(-135deg) translate(-2px,-2px)}
.sheet .body{padding:0 16px 18px;display:flex;flex-direction:column;gap:17px}
.lab{display:block;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{flex:1 1 auto;min-width:0;min-height:46px;padding:0 14px;white-space:nowrap;border:1.5px solid var(--line-2);border-radius:11px;font-family:var(--mono);font-size:15px}
.seg button[aria-pressed="true"]{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.chk{display:inline-flex;align-items:center;gap:9px;border:1.5px solid var(--line-2);border-radius:999px;padding:10px 16px;min-height:46px;font-size:15px;cursor:pointer}
.chk input{appearance:none;-webkit-appearance:none;width:19px;height:19px;border-radius:50%;border:1.5px solid var(--line-2);flex:none;position:relative}
.chk input:checked{background:var(--red);border-color:var(--red)}
.chk input:checked::after{content:"";position:absolute;left:5.5px;top:2.5px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(42deg)}
.pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.prog{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--ink-2);margin-top:10px}
.prog input{width:72px;min-height:46px;font:inherit;font-size:16px;font-family:var(--mono);color:var(--ink);background:var(--sunk);border:1.5px solid var(--line);border-radius:11px;padding:6px 10px;text-align:center}
.keys{font-size:12.5px;color:var(--ink-3);text-align:center;padding:2px 8px}
kbd{font-family:var(--mono);font-size:11.5px;border:1px solid var(--line-2);border-radius:4px;padding:1px 5px}

.overlay{position:fixed;inset:0;z-index:50;background:var(--scrim);display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .18s}
.overlay.open{opacity:1;pointer-events:auto}
.modal{width:100%;max-width:560px;max-height:88vh;background:var(--surface);border-radius:22px 22px 0 0;display:flex;flex-direction:column;transform:translateY(18px);transition:transform .22s cubic-bezier(.2,.8,.3,1);padding-bottom:env(safe-area-inset-bottom)}
.overlay.open .modal{transform:none}
.modal .head{padding:14px 16px 10px;border-bottom:1.5px solid var(--line)}
.grab{width:38px;height:4px;border-radius:99px;background:var(--line-2);margin:0 auto 12px}
.search{display:flex;align-items:center;gap:9px;background:var(--sunk);border-radius:12px;padding:0 13px}
.search svg{width:16px;height:16px;flex:none;fill:none;stroke:var(--ink-3);stroke-width:2}
.search input{flex:1;min-height:46px;font:inherit;font-size:16px;color:var(--ink);background:none;border:0}
.search input::placeholder{color:var(--ink-3)}
.list{overflow-y:auto;-webkit-overflow-scrolling:touch;padding:6px 10px 16px}
.grouphead{font-family:var(--display);font-weight:700;font-size:17px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);padding:14px 8px 6px}
.item{width:100%;text-align:left;display:flex;align-items:center;gap:12px;padding:11px 10px;border-radius:12px;min-height:56px}
.item:active{background:var(--sunk)}
.item[aria-current="true"]{background:var(--btn);color:var(--btn-ink)}
.item[aria-current="true"] .isub{color:var(--btn-ink);opacity:.62}
.item .txt{flex:1;min-width:0}
.item .iname{display:block;font-weight:500;font-size:15.5px;line-height:1.25}
.item .isub{display:block;font-family:var(--mono);font-size:11.5px;color:var(--ink-3);letter-spacing:.1em;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty{padding:26px 12px;text-align:center;color:var(--ink-3);font-size:14px}

.content{max-width:1000px;margin:34px auto 0;border-top:1.5px solid var(--line);padding-top:26px}
.content section{margin-bottom:30px}
.content h2{font-family:var(--display);font-weight:700;font-size:27px;text-transform:uppercase;letter-spacing:.02em;margin-bottom:11px}
.content h3{font-size:16px;font-weight:600;margin-bottom:4px}
.content p{color:var(--ink-2);max-width:68ch;margin-bottom:11px}
.content ol{color:var(--ink-2);max-width:68ch;padding-left:20px;margin-bottom:11px}
.content ol li{margin-bottom:6px}
.fam{margin-bottom:16px}
.fam h3{font-family:var(--display);font-weight:700;font-size:19px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin-bottom:8px}
.rudlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px;list-style:none}
.rudlist li{background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:10px 13px}
.rudlist b{display:block;font-weight:500;font-size:15px}
.rudlist code{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);letter-spacing:.12em}
.faq{border-top:1.5px solid var(--line)}
.faq details{border-bottom:1.5px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:15px 2px;font-weight:500;min-height:var(--tap);display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--ink-3);font-size:19px}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 2px 16px}
.sitefoot{max-width:1000px;margin:0 auto;padding-top:8px;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between}

@media (min-width:560px){
  .strip canvas{height:214px}
  .deck{flex-direction:row;align-items:center;gap:26px}
  .tempo{max-width:none}
  .overlay{align-items:center}
  .modal{border-radius:20px;max-height:80vh}
}
@media (min-width:900px){
  .app.rudpage{display:grid;grid-template-columns:1fr 330px;
    grid-template-areas:"bar bar" "now now" "strip strip" "console sheet" "switch switch" "keys keys";
    align-items:start;gap:15px}
  .app.rudpage>.bar{grid-area:bar} .app.rudpage>.now{grid-area:now} .app.rudpage>.strip{grid-area:strip}
  .app.rudpage>.console{grid-area:console} .app.rudpage>.sheet{grid-area:sheet}
  .app.rudpage>.modeswitch{grid-area:switch} .app.rudpage>.keys{grid-area:keys}
  .strip canvas{height:236px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* --- paginas de conteudo (apoio) --- */
.page{max-width:720px;margin:26px auto 0;padding-bottom:8px}
.pagetitle{font-family:var(--display);font-weight:800;font-size:44px;line-height:.95;text-transform:uppercase;letter-spacing:.01em;margin-bottom:14px}
.page .lead{font-size:18px;line-height:1.6;color:var(--ink-2);margin-bottom:34px;max-width:60ch}
.page section{margin-bottom:34px}
.page h2{font-family:var(--display);font-weight:700;font-size:25px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:13px}
.ticks{list-style:none;display:flex;flex-direction:column;gap:9px}
.ticks li{position:relative;padding-left:24px;color:var(--ink-2);max-width:62ch}
.ticks li::before{content:"";position:absolute;left:2px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--red)}
.opt{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:12px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.opt .opttxt{flex:1;min-width:220px}
.opt h3{font-size:17px;font-weight:600;margin-bottom:4px}
.opt p{color:var(--ink-2);font-size:15px;margin-bottom:14px;max-width:46ch}
.btnmain{display:inline-block;background:var(--btn);color:var(--btn-ink);border-radius:999px;padding:13px 24px;font-size:15px;font-weight:500;text-decoration:none;min-height:var(--tap);line-height:22px}
.btnmain:active{transform:scale(.98)}
.pixkey{display:block;font-family:var(--mono);font-size:12.5px;color:var(--ink-3);margin-top:11px;word-break:break-all}
.qr{border-radius:12px;border:1.5px solid var(--line);flex:none;width:200px;height:200px}
.thanks{font-family:var(--display);font-weight:700;font-size:24px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:16px}
.backlink{color:var(--ink-2);font-size:15px;text-decoration:none;border-bottom:1.5px solid var(--line-2);padding-bottom:2px}
.sitefoot a{color:var(--ink-2)}
@media (max-width:520px){
  .pagetitle{font-size:36px}
  .opt{gap:16px}
  .qr{width:100%;height:auto;max-width:260px;margin:0 auto}
}

/* --- home e navegacao entre telas --- */
.bar.compact .wordmark{font-size:29px}
.bar.compact .brand{gap:9px;text-decoration:none}
.bar.compact .brand .mark{width:34px;height:34px}
.chip.back{text-decoration:none;font-size:19px;padding:0;width:var(--tap)}
.screentitle{font-family:var(--display);font-weight:800;font-size:34px;text-transform:uppercase;letter-spacing:.02em;margin:2px 0 -2px}
.modeswitch{text-align:center;margin-top:4px}
.modeswitch a{color:var(--ink-2);font-size:15px;text-decoration:none;border-bottom:1.5px solid var(--line-2);padding-bottom:2px}
.home .lead{margin-bottom:26px}
.choices{display:grid;gap:12px;margin-bottom:38px}
.choice{display:flex;gap:16px;align-items:center;text-decoration:none;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 18px;transition:transform .14s,border-color .14s}
.choice:active{transform:scale(.99)}
.choice:hover{border-color:var(--line-2)}
.choice .glyph{flex:none;width:76px;height:76px;color:var(--ink)}
.choice .glyph svg{width:100%;height:100%}
.choice .ctxt{display:block}
.choice .ch2{display:block;font-family:var(--display);font-weight:700;font-size:29px;text-transform:uppercase;letter-spacing:.02em;line-height:1}
.choice .cdesc{display:block;color:var(--ink-2);font-size:14.5px;line-height:1.45;margin:7px 0 9px;max-width:44ch}
.choice .cgo{display:inline-block;font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--red)}

/* --- tela do metronomo --- */
.metpage .console{margin-top:4px}
.metcfg{padding:18px 16px;display:flex;flex-direction:column;gap:17px}
.numstep{display:flex;align-items:center;gap:12px}
.numstep b{font-family:var(--mono);font-size:30px;font-weight:600;min-width:46px;text-align:center;font-variant-numeric:tabular-nums}
.step.sm{width:52px;min-height:52px;font-size:20px}
.lughint{font-size:13.5px;color:var(--ink-3);line-height:1.45;margin-top:-4px}
.lug.tap{border:0;cursor:pointer;width:16px;height:16px;margin:-8px;padding:0;opacity:.7}
.lug.tap.acc{background:var(--red)}
.lug.tap.mute{background:transparent;box-shadow:inset 0 0 0 1.5px var(--line-2)}
.lug.tap.on{opacity:1;background:var(--ink);transform:translate(var(--tx,0),var(--ty,0)) scale(1.5)}
.lug.tap.on.acc{background:var(--red)}
.lug.tap.on.mute{background:transparent}
.pad.pulse #play{transform:scale(.965)}
@media (min-width:720px){
  .choices{grid-template-columns:1fr 1fr;align-items:stretch}
  .choice{flex-direction:column;align-items:flex-start;gap:14px;padding:24px 22px}
  .choice .glyph{width:64px;height:64px}
  .metcfg{display:grid;grid-template-columns:1fr 1fr;gap:20px 26px;align-items:start}
  .metcfg .wide,.metcfg .lughint{grid-column:1 / -1}
  .metcfg .lughint{margin-top:-6px}
}
.app.metpage{max-width:860px}
@media (max-width:400px){
  .bar.compact .wordmark{font-size:25px}
  .bar.compact .brand .mark{width:30px;height:30px}
  .chip{padding:0 12px}
}

/* --- bolha de apoio --- */
.fab{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:40;
  display:inline-flex;align-items:center;gap:9px;height:50px;padding:0 20px 0 17px;border-radius:999px;
  background:var(--surface);color:var(--ink);text-decoration:none;font-size:14.5px;font-weight:500;
  border:1.5px solid var(--line-2);box-shadow:0 4px 14px -4px rgba(25,21,16,.3),0 1px 2px rgba(25,21,16,.1);
  transition:opacity .2s,transform .2s,background .15s}
.fab svg{width:19px;height:19px;flex:none;fill:var(--red)}
.fab:hover{background:var(--raise)}
.fab:active{transform:scale(.97)}
.fabx{position:fixed;z-index:41;right:8px;bottom:calc(58px + env(safe-area-inset-bottom));
  width:26px;height:26px;border-radius:50%;background:var(--surface);color:var(--ink-3);
  border:1.5px solid var(--line-2);font-size:15px;line-height:1;display:grid;place-items:center;
  transition:opacity .2s}
.fabx:hover{color:var(--ink)}
body.is-playing .fab,body.is-playing .fabx{opacity:0;pointer-events:none;transform:translateY(10px)}
@media (max-width:560px){
  .fab span{display:none}
  .fab{padding:0;width:52px;height:52px;justify-content:center}
  .fab svg{width:22px;height:22px}
  .fabx{bottom:calc(60px + env(safe-area-inset-bottom))}
  .sitefoot,.content{padding-bottom:64px}
}

/* atalho de apoio no topo */
.chip.heart{text-decoration:none;padding:0;width:var(--tap)}
.chip.heart svg{width:20px;height:20px;fill:var(--red)}
.chip.heart:active{background:var(--sunk)}

/* a bolha entra depois de um minuto de uso */
.fab,.fabx{opacity:0;pointer-events:none;transform:translateY(10px)}
.fab.show,.fabx.show{opacity:1;pointer-events:auto;transform:none}
body.is-playing .fab.show,body.is-playing .fabx.show{opacity:0;pointer-events:none;transform:translateY(10px)}

/* opcoes de doacao no topo da pagina de apoio */
.page section.first{margin-bottom:40px}
.page section.first .opt:first-child{border-color:var(--line-2)}