@font-face{font-family:"Newsreader";font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/newsreader-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/newsreader-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+1E00-1E9F}
@font-face{font-family:"Atkinson";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/AtkinsonHyperlegibleNext.woff2) format("woff2")}

:root{
  --bg:#f6f2e9;--bg2:#ece6d6;--card:#fcfaf4;--ink:#17202b;--ink2:#3b4651;--muted:#566069;
  --line:#cdc5b1;--line-soft:#ddd6c4;--accent:#8a4a00;--accent-ink:#fff;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;--sans:"Atkinson",system-ui,-apple-system,sans-serif;
  --bar:3rem;color-scheme:light;
  --night:#0a1020;--night2:#111b33;--nline:#243455;--glow:#ffb454;--river:#2f6aa3;--treble:#ff7a6b;--follow:#6bb2ff;--ntext:#e8edf6;--nmuted:#a3b0c9
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0c1118;--bg2:#131b26;--card:#17202c;--ink:#e9eef3;--ink2:#c3ccd6;--muted:#9eaab6;
  --line:#2e3a48;--line-soft:#222d3a;--accent:#ffb454;--accent-ink:#1d1100;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0c1118;--bg2:#131b26;--card:#17202c;--ink:#e9eef3;--ink2:#c3ccd6;--muted:#9eaab6;
  --line:#2e3a48;--line-soft:#222d3a;--accent:#ffb454;--accent-ink:#1d1100;color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.08rem/1.6 var(--serif);text-rendering:optimizeLegibility}
a{color:var(--accent);text-underline-offset:.15em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--card);padding:.5rem 1rem;z-index:60}
.skip:focus{left:8px;top:8px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
section{scroll-margin-top:calc(var(--bar) + 8px)}
h1,h2,h3{font-family:var(--serif);line-height:1.15;margin:0;text-wrap:balance}
button,select,input{font:inherit}

/* top bar */
.topbar{position:sticky;top:0;z-index:40;height:var(--bar);display:flex;align-items:center;gap:.7rem;padding:0 max(16px,env(safe-area-inset-left));
  background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft);font:500 .9rem/1 var(--sans)}
.home{display:inline-flex;align-items:center;gap:.4rem;color:var(--ink);text-decoration:none;white-space:nowrap;font-weight:700}
.home-ico{color:var(--accent)}
.topnav{display:flex;gap:.9rem;overflow-x:auto;scrollbar-width:none;min-width:0}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--ink2);text-decoration:none;white-space:nowrap}
.topnav a:hover,.topnav a[aria-current]{color:var(--accent)}
.spacer{flex:1}
.chip{color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.35rem .7rem;white-space:nowrap}
.icon-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;flex:none}
.icon-btn svg{display:block}.icon-btn svg[hidden]{display:none}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent;pointer-events:none}
.progress span{display:block;height:100%;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}

main{max-width:1240px;margin:0 auto;padding:0 max(16px,env(safe-area-inset-left)) 4rem}
.hero{padding-top:1.4rem}
.kicker{font:700 .78rem/1.2 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin:0 0 .6rem}
.head h1{font-size:clamp(1.65rem,3.3vw,2.45rem);font-weight:600;letter-spacing:-.01em}
.deck{font-size:1.1rem;color:var(--ink2);margin:.7rem 0 .4rem;max-width:44rem}

/* player */
.player{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:1.4rem 2.2rem;align-items:start}
.col-a,.col-b{display:flex;flex-direction:column;gap:1rem;min-width:0}
.head{display:flex;flex-direction:column;gap:.45rem}
.btn{font:700 .95rem/1 var(--sans);min-height:46px;padding:0 1rem;border-radius:10px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;justify-content:center}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn.big{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.big:hover{filter:brightness(1.08);color:var(--accent-ink)}
.btn.small{min-height:44px;font-size:.88rem;padding:0 .8rem}
.btn[hidden]{display:none}
.btn svg{flex:none}
.btn .ic-pause{display:none}.btn[data-on="true"] .ic-play{display:none}.btn[data-on="true"] .ic-pause{display:inline}
.ctl{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}
.status{font:500 .9rem/1.4 var(--sans);color:var(--muted);min-height:1.3em;margin:0}
.note{font-size:.96rem;color:var(--muted)}

/* week strip */
.weekbox{display:flex;flex-direction:column;gap:.55rem}
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.week button{font:700 .78rem/1.1 var(--sans);min-height:66px;padding:.35rem .1rem;border-radius:9px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem}
.week button b{font:700 1.25rem/1 var(--serif)}
.week button .u{font:600 .62rem/1 var(--sans);color:var(--muted);letter-spacing:.02em}
.week button[aria-pressed="true"] .u{color:var(--nmuted)}
.week button small{font:600 .68rem/1 var(--sans);color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.week button[aria-pressed="true"]{background:var(--night);border-color:var(--glow);color:var(--glow)}
.week button[aria-pressed="true"] small{color:var(--nmuted)}
.week button.now::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.week button[aria-pressed="true"].now::after{background:var(--glow)}

/* the reading card */
.read{background:var(--card);border:1px solid var(--line-soft);border-radius:14px;padding:.95rem 1.05rem}
.read .when{font:700 .78rem/1.2 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0}
.read .big{font:600 1.45rem/1.15 var(--serif);margin:.3rem 0 .2rem}
.read .big b{color:var(--accent)}
.read .sub{margin:0;color:var(--ink2);font-size:.98rem}
.lit{list-style:none;margin:.7rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}
.lit button{font:600 .82rem/1.15 var(--sans);min-height:40px;padding:.3rem .65rem;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink2);cursor:pointer;text-align:left}
.lit button:hover,.lit button[aria-current="true"]{border-color:var(--accent);color:var(--accent)}
.lit button small{color:var(--muted);font-weight:500}
.lit .more{border-style:dashed}

/* tower card */
.tower{background:var(--card);border:1px solid var(--line-soft);border-radius:14px;padding:1rem 1.05rem;display:flex;flex-direction:column;gap:.7rem}
.tower h2{font-size:1.4rem;font-weight:600}
.tower .loc{font:600 .9rem/1.3 var(--sans);color:var(--muted);margin:.15rem 0 0}
.facts{display:grid;grid-template-columns:auto 1fr;gap:.25rem .9rem;margin:0;font:500 .93rem/1.35 var(--sans)}
.facts dt{color:var(--muted);font-weight:600}
.facts dd{margin:0;color:var(--ink)}
.picker{display:flex;flex-direction:column;gap:.35rem}
.picker label,.lab{font:700 .76rem/1.2 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.picker .row{display:flex;gap:.5rem}
.picker input,.sel{flex:1;min-width:0;font:600 1rem/1.2 var(--sans);padding:.6rem .8rem;border-radius:10px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);min-height:46px}
.sel{appearance:auto;width:100%}
.seg{display:inline-flex;border:1.5px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{font:700 .84rem/1.1 var(--sans);min-height:44px;padding:0 .75rem;border:0;background:transparent;color:var(--ink2);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.ringctl{display:grid;grid-template-columns:1fr 1fr;gap:.6rem .8rem;align-items:end}
.ringctl .full{grid-column:1/-1}
.real{display:flex;flex-direction:column;gap:.4rem;align-items:flex-start;border-top:1px dashed var(--line);padding-top:.7rem}
.real[hidden]{display:none}
.real .note{margin:0;font:500 .82rem/1.35 var(--sans)}
.links{display:flex;gap:.9rem;flex-wrap:wrap;font:600 .88rem/1.2 var(--sans)}

/* the night map and ringing room: dark in both themes */
.stage{position:relative;width:100%;aspect-ratio:1.18/1;max-height:66vh;min-height:300px;border-radius:16px;overflow:hidden;background:var(--night);border:1px solid var(--nline);touch-action:pan-y}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage.zoomed{touch-action:none}
.mapctl{position:absolute;right:10px;top:10px;display:flex;flex-direction:column;gap:6px}
.mapctl button{width:44px;height:44px;border-radius:10px;border:1px solid var(--nline);background:rgba(10,16,32,.86);color:var(--ntext);font:700 1.2rem/1 var(--sans);cursor:pointer;display:grid;place-items:center}
.mapctl button:hover{border-color:var(--glow);color:var(--glow)}
.mapctl .whole{width:auto;padding:0 .7rem;font:700 .82rem/1 var(--sans)}
.mapctl button[hidden]{display:none}
.tip{position:absolute;left:10px;bottom:10px;max-width:calc(100% - 20px);background:rgba(10,16,32,.9);border:1px solid var(--nline);color:var(--ntext);border-radius:10px;padding:.4rem .65rem;font:600 .86rem/1.3 var(--sans);pointer-events:none}
.tip:empty{display:none}
.selbar{display:flex;gap:.8rem;align-items:center;justify-content:space-between;background:var(--card);border:1px solid var(--line-soft);border-radius:14px;padding:.55rem .6rem .55rem .95rem}
.selinfo{display:flex;flex-direction:column;min-width:0}
.selinfo b{font:700 1.02rem/1.25 var(--serif);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.selinfo span{font:500 .84rem/1.3 var(--sans);color:var(--muted)}
.selbar .btn{flex:none;min-width:7.2rem}
.selbar #whole2{min-width:0}
.selbar #realgo2{min-width:0;margin-left:auto}
.selbar #realgo2[hidden]{display:none}
.selbar #whole2[hidden]{display:none}
.trybar{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center}
.trybar .lab{margin-right:.2rem}
.soundnote{margin:0;font:500 .82rem/1.4 var(--sans)}
.try{font:600 .84rem/1 var(--sans);min-height:44px;padding:0 .8rem;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink2);cursor:pointer}
.try{display:inline-flex;align-items:center;text-decoration:none}
.try.near::before{content:"";width:.55rem;height:.55rem;border:2px solid currentColor;border-radius:50%;margin-right:.4rem}
.try:hover,.try[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}
.legend{display:flex;flex-wrap:wrap;gap:.35rem 1rem;font:500 .8rem/1.2 var(--sans);color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:.4rem}
.dot{display:inline-block;width:.8rem;height:.8rem;border-radius:50%}
.dot.lit{background:var(--glow);box-shadow:0 0 5px var(--glow)}
.legend span{line-height:1.2}
.legend .dot{flex:none;margin-top:0}
.dot.dim{background:#6b7ca1}
.dot.none{border:1.5px solid #6b7ca1;background:transparent}
.dot.ur{border:1.5px dashed #6b7ca1;background:transparent}
.room{background:var(--night);border:1px solid var(--nline);border-radius:16px;padding:.7rem .8rem .8rem;display:flex;flex-direction:column;gap:.55rem;color:var(--ntext)}
.room canvas{width:100%;height:300px;display:block}
.room .rstat{font:600 .86rem/1.35 var(--sans);color:var(--nmuted);margin:0;min-height:2.6em}
.room .rstat b{color:var(--ntext)}
.roomhead{display:flex;justify-content:space-between;gap:.6rem;align-items:baseline;flex-wrap:wrap}
.roomhead h3{font:700 .78rem/1.2 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--nmuted)}
.key{display:flex;gap:.9rem;font:600 .78rem/1.2 var(--sans);color:var(--nmuted)}
.key i{display:inline-block;width:1.4rem;height:3px;border-radius:2px;vertical-align:middle;margin-right:.3rem}

/* sections */
section.s{margin:3.2rem 0 0}
.s>h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:600;margin:0 0 .6rem}
.anchor{color:inherit;text-decoration:none}
.anchor:hover{text-decoration:underline}
.lede{max-width:46rem;color:var(--ink2)}
.prose{max-width:46rem}
.prose h3{font:700 1.05rem/1.25 var(--sans);margin:1.5rem 0 .3rem}
.prose p{margin:.5rem 0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:.9rem;list-style:none;margin:1rem 0 0;padding:0}
.cards li{background:var(--card);border:1px solid var(--line-soft);border-radius:14px;padding:1rem;display:flex;flex-direction:column;gap:.5rem}
.cards h3{font-size:1.15rem}
.cards p{margin:0;font-size:.98rem}
.cards .src{font:500 .8rem/1.3 var(--sans);color:var(--muted)}
.cards .x{font:800 1.8rem/1 var(--sans);color:var(--accent)}
.cards .btn{margin-top:auto;align-self:flex-start}
.rhyme{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.5rem;max-width:46rem}
.rhyme li{display:grid;grid-template-columns:1fr auto;gap:.3rem .8rem;align-items:center;background:var(--card);border:1px solid var(--line-soft);border-radius:12px;padding:.6rem .8rem}
.rhyme .ctl{justify-content:flex-end}
.ringctl .btn.big{width:100%}
.rhyme .l{font:italic 400 1.12rem/1.3 var(--serif)}
.rhyme .w{grid-column:1/-1;font:500 .88rem/1.35 var(--sans);color:var(--muted)}
.tablewrap{overflow-x:auto;margin:1rem 0 0;border:1px solid var(--line-soft);border-radius:12px}
table{border-collapse:collapse;width:100%;font:500 .92rem/1.35 var(--sans)}
th,td{padding:.5rem .7rem;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}
th{font-weight:700;background:var(--bg2);position:sticky;top:0}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:last-child td{border-bottom:0}
tbody tr[hidden]{display:none}
.tools{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-top:1rem}
.tools input{min-height:44px;font:500 1rem var(--sans);padding:.4rem .7rem;border-radius:10px;border:1.5px solid var(--line);background:var(--card);color:var(--ink)}
.method p,.method li{max-width:46rem}
.method h3{font-size:1.1rem;margin:1.2rem 0 .3rem;font-family:var(--sans)}
.src ol{padding-left:1.2rem;max-width:56rem;font-size:.95rem}
.share-row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin:2.4rem 0 0}
.share-label{font:600 .9rem/1 var(--sans);color:var(--muted);margin-right:.2rem}
.sh{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;text-decoration:none}
.sh:hover,.sh:focus-visible{color:var(--accent);border-color:var(--accent)}
@media (pointer:coarse){.sh{width:44px;height:44px}}
.sh[hidden]{display:none}
.copied{font:500 .85rem var(--sans);color:var(--muted);margin:0;min-height:1.2em}
.foot{border-top:1px solid var(--line-soft);padding:1.6rem max(16px,env(safe-area-inset-left)) 2.4rem;font:500 .92rem/1.6 var(--sans);color:var(--muted);max-width:1240px;margin:0 auto}
.foot a{color:var(--ink2)}
.nf{display:grid;place-items:center;min-height:100vh;text-align:center;padding:2rem}

@media (max-width:900px){
  .player{grid-template-columns:1fr;gap:1rem}
  .col-a,.col-b{display:contents}
  .head{order:1}.stage{order:2}.weekbox{order:3}.legend{order:4}.selbar{order:5}.trybar{order:6}#nearmsg{order:7}.soundnote{order:8}.read{order:9}.tower{order:10}.room{order:11}
  .weekbox .ctl .note{display:none}
  .head .deck{font-size:1rem}
  .topnav{display:none}
  .stage{max-height:none;aspect-ratio:1.3/1;min-height:0}
}
@media (max-width:640px){.rhyme li{grid-template-columns:1fr}.rhyme .ctl{justify-content:flex-start}}
@media (max-width:430px){
  .selbar{flex-wrap:wrap}.selinfo{flex:1 1 100%}.selbar #whole2,.selbar #realgo2{margin-left:0}.selbar #ringgo2{margin-left:auto}
  .week button{min-height:50px}
  .week button b{font-size:1rem}
  .ringctl{grid-template-columns:1fr}
  .picker .row{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}