<!-- SOLID BIG ISLAND — the game shell · part 1 -->
===== FILE: public/SolidBigIsland/index.html =====
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
<meta name="theme-color" content="#0b0907">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<title>SolidBigIsland · The Record Studio</title>
<script>
  // Relative paths (songs.json, mp3/, thumbs/) need a trailing slash: /SolidBigIsland -> /SolidBigIsland/
  (function(){var p=location.pathname;if(!/\/$/.test(p)&&!/\.[a-z0-9]+$/i.test(p)){location.replace(p+'/'+location.search+location.hash);}})();
</script>
<style>
:root{
  --bg:#0b0907;--panel:#15110c;--panel2:#1d1810;--line:#3a2f1c;
  --gold:#d4af37;--gold2:#f3d77a;--goldDim:#8c7330;--ink:#efe6d2;--mute:#b9ab8c;
  --fs:18px;--tap:48px;--playerH:200px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:var(--fs);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg) radial-gradient(1200px 600px at 50% -200px,#2a2010 0%,transparent 70%) no-repeat;
  color:var(--ink);font:400 1rem/1.45 -apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  padding-bottom:calc(var(--playerH) + env(safe-area-inset-bottom) + 16px);min-height:100vh}
.serif{font-family:"Didot","Bodoni 72","Playfair Display",Georgia,"Times New Roman",serif}
header{padding:calc(20px + env(safe-area-inset-top)) 18px 10px;text-align:center;border-bottom:1px solid var(--line)}
.crest{font-size:17px;letter-spacing:.32em;color:var(--goldDim);text-transform:uppercase}
h1{margin:6px 0 2px;font-size:2rem;line-height:1.1;letter-spacing:.06em;color:var(--gold);
  text-shadow:0 0 18px rgba(212,175,55,.25)}
.sub{color:var(--mute);font-size:17px;margin:4px 0 0}
.sub b{color:var(--gold2);font-weight:600}
.searchwrap{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 14px 10px;box-shadow:0 8px 14px -8px rgba(0,0,0,.8)}
.search{display:flex;gap:8px}
input[type=search]{flex:1;min-height:var(--tap);font-size:18px;color:var(--ink);background:var(--panel);
  border:1px solid var(--line);border-radius:12px;padding:10px 14px;outline:none}
input[type=search]:focus{border-color:var(--gold)}
input[type=search]::placeholder{color:#8a7d62}
.count{font-size:17px;color:var(--mute);margin:8px 2px 0}
ul{list-style:none;margin:0;padding:0 10px}
li.song{border-bottom:1px solid var(--line)}
.line{display:flex;align-items:center;gap:6px;min-width:0}
.line>.btn{flex:0 0 auto;margin-right:2px}
.row{display:flex;align-items:center;gap:12px;min-height:72px;padding:8px 4px;cursor:pointer;flex:1 1 auto;min-width:0;
  background:none;border:0;color:inherit;text-align:left;font:inherit}
.row:active{background:var(--panel)}
.thumb{width:56px;height:56px;border-radius:8px;flex:0 0 56px;object-fit:cover;background:#221b10;border:1px solid var(--line)}
.thumb.ph{display:flex;align-items:center;justify-content:center;color:var(--goldDim);font-size:22px}
.meta{flex:1;min-width:0}
.t{font-size:18px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.t .no{color:var(--gold);font-weight:700;margin-right:6px;font-variant-numeric:tabular-nums}
.d{font-size:17px;color:var(--mute);font-variant-numeric:tabular-nums}
li.playing .t{color:var(--gold2)}
li.playing .row{background:linear-gradient(90deg,rgba(212,175,55,.12),transparent)}
.btn{min-width:var(--tap);min-height:var(--tap);border-radius:50%;border:1px solid var(--goldDim);background:var(--panel2);
  color:var(--gold);display:inline-flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;padding:0}
.btn:active{transform:scale(.95)}
.btn svg{width:22px;height:22px;fill:currentColor}
.detail{display:none;padding:2px 6px 16px 72px}
li.open .detail{display:block}
.lyr{white-space:pre-line;font-size:17px;color:#e2d6bb;margin:4px 0 10px;border-left:2px solid var(--goldDim);padding-left:12px}
.tag{display:inline-block;font-size:17px;color:var(--goldDim);letter-spacing:.06em;font-style:italic;margin-bottom:4px}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.pill{min-height:var(--tap);padding:0 18px;border-radius:24px;border:1px solid var(--goldDim);background:var(--panel2);
  color:var(--gold2);font-size:17px;display:inline-flex;align-items:center;gap:8px;text-decoration:none;cursor:pointer}
.empty{padding:30px 16px;text-align:center;color:var(--mute)}
/* player */
#player{position:fixed;left:0;right:0;bottom:0;z-index:10;background:rgba(18,14,9,.97);border-top:1px solid var(--gold);
  box-shadow:0 -10px 30px rgba(0,0,0,.6);padding:10px 14px calc(10px + env(safe-area-inset-bottom));backdrop-filter:blur(8px)}
.np{display:flex;align-items:center;gap:12px;min-height:56px;min-width:0}
#player .meta{min-width:0}
.np img,.np .thumb{width:52px;height:52px;flex:0 0 52px}
.np .t{font-size:18px}
.seek{displ