html{background:#f3efe7}
:root{--bg:#f3efe7;--ink:#24312f;--muted:#6b7773;--accent:#2f5d5a;--gold:#b98a4b;--card:#fffdf8;--line:#e2ddd2}
*{box-sizing:border-box}
body{margin:0 auto;max-width:1440px;padding:28px clamp(14px,4vw,56px) 40px;font-family:"PingFang HK","Noto Sans TC",system-ui,sans-serif;background:radial-gradient(1200px 600px at 80% -10%,#fbf6ea,transparent),var(--bg);color:var(--ink)}
.top{max-width:max(560px,calc((100vh - 230px) * 16 / 9 + 20px));margin-left:auto;margin-right:auto;display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px}
.eyebrow{margin:0 0 4px;font-size:12px;letter-spacing:3px;color:var(--gold)}
h1{margin:0;font-family:"Noto Serif TC","Songti TC",serif;font-weight:600;font-size:clamp(24px,3vw,34px);letter-spacing:3px}
.badge{font-size:12px;padding:5px 12px;border-radius:999px;border:1px solid var(--gold);color:var(--gold)}
.stagebox{position:relative;max-width:max(560px,calc((100vh - 230px) * 16 / 9 + 20px));margin:0 auto;background:var(--card);border-radius:28px;padding:10px;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(36,49,47,.35),0 2px 6px rgba(36,49,47,.05)}
#stage{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:20px;background:linear-gradient(170deg,#f8f1e2 0%,#ece8dc 45%,#d6ddd3 100%)}
.overlay{position:absolute;inset:26px 30px auto;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;gap:12px}
.nowplay{display:flex;flex-direction:column;gap:2px;padding:10px 16px;border-radius:16px;background:rgba(255,253,248,.72);backdrop-filter:blur(8px)}
.nowplay .lbl{font-size:11px;letter-spacing:2px;color:var(--gold)}
.nowplay b{font-family:"Noto Serif TC",serif;font-size:18px;font-weight:600}
#barNo{font-size:12px;color:var(--muted)}
.notechip{min-width:96px;text-align:center;padding:10px 16px;border-radius:16px;background:rgba(36,49,47,.82);color:#fff;backdrop-filter:blur(8px)}
.notechip b{display:block;font-size:30px;line-height:1.1;font-weight:600;font-variant-numeric:tabular-nums}
.notechip span{font-size:11px;opacity:.8}
#chart{display:block;width:150px;margin:8px auto 2px}
#chart circle,#chart rect{fill:none;stroke:rgba(255,255,255,.75);stroke-width:1.6;transition:fill .08s}
#chart .on{fill:#f2d29b;stroke:#f2d29b}
#chart .sep{stroke:rgba(255,255,255,.35);stroke-width:1}
.notechip .chartcap{display:block;font-size:10px;opacity:.6;letter-spacing:1px}
.scrub{display:flex;align-items:center;gap:14px;padding:12px 10px 4px}
.progress{flex:1;height:4px;background:#e8e3d8;border-radius:2px;overflow:hidden}
#bar{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:2px}
#info{font-size:12px;color:var(--muted);white-space:nowrap}
.controls{max-width:max(560px,calc((100vh - 230px) * 16 / 9 + 20px));margin-left:auto;margin-right:auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}
.transport,.sources{display:flex;gap:8px;flex-wrap:wrap}
button,.file,select{font:inherit;font-size:14px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:0 18px;min-height:44px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;transition:background .15s,border-color .15s,transform .1s}
button:hover,.file:hover{border-color:#c9c1b1;background:#fff}
button:active{transform:scale(.97)}
.play{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;padding:0 26px;min-width:120px;justify-content:center}
.play:hover{background:#264d4a;border-color:#264d4a}
.film-btn{border-color:var(--gold);color:#8a6430}
.file input{display:none}
button:focus-visible,.file:focus-within,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.settings{max-width:max(560px,calc((100vh - 230px) * 16 / 9 + 20px));margin:14px auto 0;border:1px solid var(--line);border-radius:18px;background:rgba(255,253,248,.6)}
.settings summary{cursor:pointer;padding:12px 18px;font-size:14px;color:var(--muted);list-style:none}
.settings summary::before{content:"⚙︎ "}
.settings .grid{display:flex;flex-wrap:wrap;gap:12px 20px;padding:0 18px 16px;align-items:center}
label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
select{padding:0 14px}
input[type=range]{accent-color:var(--accent)}
.hint{max-width:max(560px,calc((100vh - 230px) * 16 / 9 + 20px));margin:16px auto 0;font-size:12px;color:var(--muted);line-height:1.8}
@media(max-width:700px){
  body{padding:18px 12px 28px}
  .stagebox{border-radius:20px;padding:6px}
  #stage{aspect-ratio:960/650;border-radius:16px}
  .overlay{inset:14px 14px 58px;flex-direction:column;justify-content:space-between;gap:6px}
  .nowplay{padding:6px 10px}.nowplay b{font-size:14px}.nowplay .lbl{display:none}
  .notechip{min-width:64px;padding:6px 10px}.notechip b{font-size:22px}.notechip span{display:none}
  #chart{width:108px;margin-top:4px}.notechip .chartcap{display:none}
  .controls{justify-content:flex-start}
  .play{flex:1}
  button,.file,select{font-size:13px;padding:0 14px}
}
body.film{padding:0;max-width:none;overflow:hidden;background:#000}
body.film .top,body.film .controls,body.film .settings,body.film .hint,body.film .scrub,body.film .overlay{display:none}
body.film .stagebox{max-width:none;padding:0;border:0;border-radius:0;box-shadow:none;background:none}
body.film #stage{width:100vw;height:100vh;aspect-ratio:auto;border-radius:0}
body.green #stage{background:#00b140}
body.green .scenery{display:none}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}