:root{
  --bg:#f1ece4;
  --panel:rgba(255,255,255,.7);
  --panel-2:rgba(255,255,255,.9);
  --line:#e0d6c6;
  --line-2:#cdbfa7;
  --text:#231a14;
  --text-2:#5c4f40;
  --text-3:#948572;
  --accent:#7a3b1e;
  --accent-soft:#f5e7da;
  --wood:#271a12;
  --wood-2:#1a120b;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --deva:'Noto Serif Devanagari','Nirmala UI',sans-serif;
}
*{margin:0; padding:0; box-sizing:border-box}
[hidden]{display:none !important}
body.boot *{transition:none !important}
html,body{height:100%}
body{
  background:var(--bg); color:var(--text); font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(118% 92% at 50% 0%, #faf6f0 0%, #f1ece4 52%, #e5dac9 100%);
  background-attachment:fixed;
}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px; border-radius:6px}
button{font-family:inherit; color:inherit; background:none; border:none}
textarea{font-family:inherit; color:inherit}

.page{display:flex; flex-direction:column; min-height:100vh}

/* ---------- top bar ---------- */
.bar{
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  padding:max(14px, env(safe-area-inset-top)) 20px 0; flex:none;
}
.home,.icon{
  display:inline-flex; align-items:center; gap:7px; height:38px;
  color:var(--text); text-decoration:none; font:500 14px/1 var(--sans);
  background:var(--panel); border:1px solid var(--line); border-radius:999px;
  cursor:pointer; transition:background .15s, border-color .15s;
}
.home{padding:0 14px 0 10px}
.home span{font-family:var(--serif); font-size:18px; letter-spacing:.01em}
.icon{width:38px; justify-content:center; padding:0}
.home:hover,.icon:hover{background:#fff; border-color:var(--line-2)}

/* ---------- layout ---------- */
main{
  flex:1; width:100%; max-width:1080px; margin:0 auto;
  display:grid; grid-template-columns:minmax(0,1fr) 352px;
  grid-template-areas:"stage panel";
  gap:20px 28px; padding:10px 20px max(24px, env(safe-area-inset-bottom));
  align-items:start; align-content:start;
}
.stage{grid-area:stage; display:flex; flex-direction:column; gap:14px; min-width:0}
.panel{grid-area:panel; display:flex; flex-direction:column; gap:18px}
.titleblock{max-width:640px; padding:6px 2px 0}
.kicker{font-size:11.5px; font-weight:600; letter-spacing:.15em; text-transform:uppercase; color:var(--text-3)}
h1{
  font-family:var(--serif); font-weight:400; font-size:clamp(32px, 4.2vw, 52px);
  line-height:.98; letter-spacing:-.01em; margin:4px 0 8px;
}
.sub{font-size:14.5px; line-height:1.55; color:var(--text-2); max-width:56ch}
.sub b{font-weight:600; color:var(--text)}
.lbl{font-size:11px; font-weight:600; letter-spacing:.12em; text-transform:uppercase; color:var(--text-3)}
.srlive{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap}

/* ---------- the wheel ---------- */
.wheelwrap{
  position:relative; width:min(420px, 100%); aspect-ratio:1; align-self:center;
}
.wheelwrap::before{
  content:''; position:absolute; left:50%; top:50%; width:68%; aspect-ratio:1;
  transform:translate(-50%,-50%); border-radius:50%;
  box-shadow:0 18px 36px -8px rgba(26,18,11,.4);
}
#wheel{display:block; position:relative; width:100%; height:100%}
#wheel:focus-visible{outline:2px solid var(--accent); outline-offset:4px}
.vband{fill:none; stroke-linecap:round}
.vband.tali{stroke:var(--accent); opacity:.3}
.vband.khali{stroke:#9b8c76; opacity:.4; stroke-dasharray:3 6}
.beat{cursor:pointer}
.beat .ring{
  fill:var(--wood-2); stroke:#4a3524; stroke-width:1.4;
  transform-box:fill-box; transform-origin:center;
  transition:transform .12s, fill .12s;
}
.beat.tali .ring{fill:#e9cfb0}
.beat.khali .ring{fill:var(--wood-2); stroke:#e9cfb0; stroke-width:2.2}
.beat.sam .ring{fill:var(--accent); stroke:var(--accent)}
.beat.lit .ring{transform:scale(1.5); filter:drop-shadow(0 0 7px rgba(233,207,176,.85))}
.beat.sam.lit .ring{filter:drop-shadow(0 0 9px rgba(122,59,30,.9))}
.beat:focus-visible .ring{stroke:#fff; stroke-width:2.4}
.beat:hover .ring{transform:scale(1.2)}

.centre{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width:46%; text-align:center; pointer-events:none;
}
.c-bol{
  font-family:var(--serif); font-size:clamp(26px, 5vw, 36px); line-height:1;
  color:#fbf2e6; letter-spacing:.01em;
}
.c-meta{font:600 10.5px/1.5 var(--sans); letter-spacing:.1em; text-transform:uppercase; color:#c9a988; margin-top:5px}

/* ---------- transport ---------- */
.transport{display:flex; align-items:center; gap:12px; padding:0 2px}
.btn{
  display:flex; align-items:center; justify-content:center; text-align:center;
  height:40px; padding:0 18px; border-radius:11px; cursor:pointer;
  background:var(--panel-2); border:1px solid var(--line);
  font-size:14px; font-weight:600;
  transition:background .14s, border-color .14s, color .14s, transform .08s;
}
.btn:hover{background:#fff; border-color:var(--line-2)}
.btn:active{transform:translateY(1px)}
.btn.accent{background:var(--accent); border-color:var(--accent); color:#fff; min-width:92px}
.btn.accent[aria-pressed="true"]{background:var(--wood); border-color:var(--wood)}
.btn.accent:hover{filter:brightness(1.08)}
.sel{
  flex:1; display:flex; align-items:center; gap:10px; font-size:12.5px; color:var(--text-2);
  background:var(--panel-2); border:1px solid var(--line); border-radius:11px;
  padding:0 12px; height:40px; min-width:0;
}
.sl-lbl{flex:none; font-weight:600}
.sl-val{flex:none; font:600 12.5px/1 var(--mono); width:2.4em; text-align:right}
input[type="range"]{flex:1; accent-color:var(--accent)}

.legend{display:flex; flex-wrap:wrap; gap:7px 16px; padding:0 2px; font-size:12px; color:var(--text-2)}
.legend .key{display:inline-flex; align-items:center; gap:6px}
.dot{display:inline-block; width:10px; height:10px; border-radius:50%; flex:none}
.dot.tali{background:var(--wood); border:1.4px solid var(--wood)}
.dot.khali{background:transparent; border:2.2px solid var(--wood)}
.dot.sam{background:var(--accent); border:1.4px solid var(--accent)}

/* ---------- panel ---------- */
.grp{display:flex; flex-direction:column; gap:8px}
.rowbetween{display:flex; align-items:baseline; justify-content:space-between; gap:10px}
.linkbtn{
  font-size:11.5px; font-weight:600; color:var(--accent); cursor:pointer;
  text-decoration:underline; text-underline-offset:2px; white-space:nowrap;
}
.linkbtn:hover{color:var(--text)}

.taalrow{display:flex; gap:6px; flex-wrap:wrap}
.taalbtn{
  flex:1 1 0; min-width:92px; display:flex; flex-direction:column; align-items:center; gap:2px;
  padding:8px 6px; border-radius:11px; cursor:pointer;
  background:var(--panel-2); border:1px solid var(--line);
  transition:background .14s, border-color .14s, transform .08s;
}
.taalbtn:hover{background:#fff; border-color:var(--line-2)}
.taalbtn:active{transform:translateY(1px)}
.taalbtn .tn{font:600 13px/1.2 var(--sans)}
.taalbtn .td{font:400 11px/1.3 var(--deva); color:var(--text-3)}
.taalbtn .tm{font:400 10.5px/1.3 var(--mono); color:var(--text-3)}
.taalbtn[aria-pressed="true"]{background:var(--accent); border-color:var(--accent)}
.taalbtn[aria-pressed="true"] .tn,.taalbtn[aria-pressed="true"] .tm{color:#fff}
.taalbtn[aria-pressed="true"] .td{color:#f3ddc8}

.bolbox{
  width:100%; resize:vertical; min-height:56px; padding:10px 12px; border-radius:11px;
  background:var(--panel-2); border:1px solid var(--line); color:var(--text);
  font:600 13.5px/1.5 var(--mono); letter-spacing:.01em;
}
.bolbox:focus-visible{outline:2px solid var(--accent); outline-offset:1px}
.hint{font-size:12px; line-height:1.5; color:var(--text-3); min-height:1.5em}
.hint.bad{color:#a4341f; font-weight:600}
.hint.ok{color:#3f7a3a}

.pad{display:flex; gap:6px; flex-wrap:wrap}
.bolbtn{
  padding:8px 13px; border-radius:10px; cursor:pointer;
  background:var(--panel-2); border:1px solid var(--line);
  font:600 13px/1 var(--mono);
  transition:background .12s, border-color .12s, transform .08s;
}
.bolbtn:hover{background:#fff; border-color:var(--line-2)}
.bolbtn:active,.bolbtn.lit{transform:translateY(1px); background:var(--accent); border-color:var(--accent); color:#fff}
.note{font-size:13px; line-height:1.6; color:var(--text-2)}
.note.fine{font-size:11.5px; color:var(--text-3); margin-top:2px}

/* ---------- about ---------- */
dialog{
  border:none; padding:0; background:transparent; max-width:min(660px, 92vw);
  max-height:86vh; margin:auto;
}
dialog::backdrop{background:rgba(26,18,11,.5); backdrop-filter:blur(3px)}
.about{
  position:relative; background:#fbf8f3; border:1px solid var(--line);
  border-radius:18px; padding:26px 28px 24px; overflow-y:auto; max-height:86vh;
  box-shadow:0 30px 60px -30px rgba(26,18,11,.6);
}
.about h2{font-family:var(--serif); font-weight:400; font-size:30px; line-height:1.06; margin:4px 0 14px}
.about p{font-size:14.5px; line-height:1.66; color:var(--text-2); margin-bottom:12px}
.about p b{color:var(--text); font-weight:600}
.about p i{font-style:italic}
.about .fine{font-size:12.5px; color:var(--text-3); border-top:1px solid var(--line); padding-top:12px; margin-top:16px; margin-bottom:0}
.x{
  position:absolute; top:14px; right:14px; width:32px; height:32px; cursor:pointer;
  display:flex; align-items:center; justify-content:center; color:var(--text-3);
  background:#fff; border:1px solid var(--line); border-radius:999px;
}
.x:hover{color:var(--text); border-color:var(--line-2)}

/* ---------- phone ---------- */
@media (max-width:900px){
  main{
    grid-template-columns:minmax(0,1fr);
    grid-template-areas:"stage" "panel";
    gap:18px; padding:8px 14px max(22px, env(safe-area-inset-bottom));
  }
  .titleblock{padding-top:2px}
  h1{font-size:clamp(28px, 8.5vw, 40px)}
  .sub{font-size:14px}
  .wheelwrap{width:min(340px, 92vw); margin:0 auto}
  .c-bol{font-size:clamp(22px, 7vw, 28px)}
  .transport{flex-wrap:wrap}
  .about{padding:22px 20px 20px; border-radius:15px}
  .about h2{font-size:25px}
}
@media (max-width:420px){
  .taalbtn{min-width:84px; padding:7px 4px}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important}
}