:root{
  --night:#0b0f1c;--ink:#f6f1e6;--muted:#b9b2a3;--gold:#e6c27a;--gold2:#ffdf9e;
  --glass:rgba(16,20,34,.58);--glass-line:rgba(255,236,200,.18);
  --paper:#fbf7ee;--paper-ink:#2b2a26;--paper-muted:#7a7465;
  --safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);
  font-family:"Noto Sans TC","Microsoft JhengHei","PingFang TC",system-ui,sans-serif;
  color:var(--ink);background:var(--night);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;overscroll-behavior:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:default}
button:focus-visible,#stage:focus-visible{outline:2px solid var(--gold2);outline-offset:3px}
[hidden]{display:none!important}

/* ---------------------------------------------------------------- intro */
#intro{position:fixed;inset:0;z-index:5;background:radial-gradient(120% 90% at 50% 100%,#2a2440 0%,#121628 45%,#070a14 100%);transition:opacity 1s ease}
#intro-stage{position:absolute;inset:0}
#intro-stage canvas{display:block;width:100%;height:100%}
.intro-copy{position:absolute;left:clamp(20px,6vw,90px);bottom:clamp(90px,16vh,170px);max-width:min(560px,calc(100vw - 40px));animation:rise 1.2s .2s both cubic-bezier(.2,.7,.2,1)}
.kicker{margin:0 0 10px;font-size:12px;letter-spacing:.42em;color:var(--gold)}
.intro-copy h1{margin:0;font-family:"Noto Serif TC",Georgia,"PMingLiU",serif;font-weight:700;font-size:clamp(40px,8vw,88px);line-height:1.04;letter-spacing:.02em;text-shadow:0 4px 40px rgba(0,0,0,.6)}
.sub{margin:16px 0 30px;font-size:clamp(15px,2vw,18px);line-height:1.7;color:#ddd5c5;max-width:30em}
.enter{display:inline-flex;align-items:center;gap:14px;padding:10px 26px 10px 10px;border-radius:99px;background:linear-gradient(135deg,#f5d690,#d3a14f);color:#22180a;font-weight:700;font-size:17px;letter-spacing:.08em;box-shadow:0 10px 40px rgba(230,180,90,.35);transition:transform .2s,box-shadow .2s,filter .3s}
.enter:disabled{filter:saturate(.25) brightness(.8);box-shadow:none}
.enter:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 14px 50px rgba(230,180,90,.5)}
.enter:not(:disabled) .ring b{animation:nudge 1.4s infinite}
.ring{position:relative;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.35)}
.ring svg{position:absolute;inset:0;transform:rotate(-90deg)}
.ring circle{fill:none;stroke:rgba(34,24,10,.15);stroke-width:3}
.ring #enter-ring{stroke:#22180a;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke-dashoffset .3s}
.intro-foot{position:absolute;left:0;right:0;bottom:calc(18px + var(--safe-b));display:flex;justify-content:center;gap:28px;margin:0;font-size:10px;letter-spacing:.4em;color:rgba(255,240,210,.4)}
body[data-phase=inside] #intro{opacity:0;pointer-events:none}
body[data-phase=entering] #intro{pointer-events:none}
body[data-phase=entering] .intro-copy{animation:fade-out .6s both}
#flash{position:fixed;inset:0;z-index:6;pointer-events:none;background:radial-gradient(circle at 50% 55%,#fff8e6,#ffe3a6 60%,#f0b765);opacity:0;transition:opacity .5s ease}
#flash.on{opacity:1}

/* ---------------------------------------------------------------- inside */
#inside{position:fixed;inset:0}
#stage{position:absolute;inset:0;touch-action:none;outline:0}
#stage canvas{display:block;width:100%;height:100%}
body[data-phase=intro] .hud-top,body[data-phase=entering] .hud-top,
body:not([data-phase=inside]) .next,body:not([data-phase=inside]) .hint,body:not([data-phase=inside]) .stick,body:not([data-phase=inside]) .talk{opacity:0;pointer-events:none}

.hud-top{position:absolute;top:calc(14px + var(--safe-t));left:14px;right:14px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px;pointer-events:none;transition:opacity .6s}
.hud-top>*{pointer-events:auto}
.pill,.icon,.next,.talk{background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(0,0,0,.25)}
.pill{display:flex;align-items:center;gap:12px;padding:9px 16px 9px 12px;border-radius:99px;font-size:15px}
.pill b{font-size:20px;color:var(--gold2)}
.pill.bump b{animation:bump .6s}
.dots{display:grid;grid-template-columns:repeat(6,7px);gap:4px}
.dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.22);transition:background .4s,transform .4s}
.dots i.on{background:var(--gold2);box-shadow:0 0 8px var(--gold)}
.tools{display:flex;gap:8px}
.icon{display:flex;align-items:center;gap:6px;height:42px;padding:0 14px;border-radius:99px;font-size:14px}
.icon span{font-size:16px;color:var(--gold2);width:16px;text-align:center}
.icon em{font-style:normal}
.icon[aria-pressed=true]{background:rgba(230,194,122,.28);border-color:rgba(255,223,158,.5)}
body[data-mode=cutaway] #mood{display:none}

.next{position:absolute;left:50%;bottom:calc(26px + var(--safe-b));transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:10px 18px 10px 10px;border-radius:99px;font-size:14px;transition:opacity .4s}
.next .arrow{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--gold);color:#22180a;font-weight:700;transition:transform .2s}
.talk{position:absolute;left:50%;bottom:calc(84px + var(--safe-b));transform:translateX(-50%);padding:13px 24px;border-radius:99px;font-size:16px;background:linear-gradient(135deg,#f5d690,#d3a14f);color:#22180a;font-weight:600;border:0;animation:pop .35s both cubic-bezier(.3,1.6,.5,1)}
.hint{position:absolute;left:50%;top:calc(76px + var(--safe-t));transform:translateX(-50%);margin:0;padding:8px 16px;border-radius:99px;background:rgba(10,12,20,.55);font-size:13px;color:#e9e1cf;white-space:nowrap;transition:opacity 1s;pointer-events:none}
.hint.gone{opacity:0}

.stick{position:absolute;left:calc(22px + env(safe-area-inset-left,0px));bottom:calc(26px + var(--safe-b));width:128px;height:128px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.08),rgba(255,255,255,.16));border:1px solid rgba(255,255,255,.28);touch-action:none;transition:opacity .4s}
.knob{position:absolute;left:50%;top:50%;width:56px;height:56px;margin:-28px;border-radius:50%;background:rgba(255,236,200,.85);box-shadow:0 4px 18px rgba(0,0,0,.35)}
body[data-mode=cutaway] .stick,body[data-mode=cutaway] .next,body[data-mode=cutaway] .talk{display:none!important}

.loading{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;background:rgba(8,10,18,.8);z-index:3}
.spark{font-size:40px;color:var(--gold2);animation:spin 3s linear infinite}

/* ---------------------------------------------------------------- dialogs */
dialog{border:0;padding:0;color:inherit;background:none;max-width:none;max-height:none}
dialog:not([open]){display:none!important}
dialog::backdrop{background:rgba(5,6,12,.55);backdrop-filter:blur(3px)}
.card{width:min(560px,calc(100vw - 28px));max-height:min(80svh,720px);padding:34px 34px 24px;border-radius:22px;background:var(--paper);color:var(--paper-ink);box-shadow:0 30px 90px rgba(0,0,0,.5);display:flex;flex-direction:column}
.card[open]{animation:card-in .55s both cubic-bezier(.2,1.2,.4,1)}
.card-index{margin:0;font-size:12px;letter-spacing:.3em;color:#b08a43}
.card h2{margin:8px 0 18px;font-family:"Noto Serif TC",Georgia,serif;font-size:clamp(28px,5vw,40px);line-height:1.15}
.card-text{flex:1;overflow:auto;white-space:pre-wrap;font-size:17px;line-height:1.85;min-height:3em}
.card-text.empty{color:var(--paper-muted);font-style:italic}
.card-from{margin:14px 0 0;text-align:right;color:var(--paper-muted)}
.card-from:empty{display:none}
.card-actions{display:flex;gap:10px;justify-content:space-between;margin-top:22px}
.solid{padding:12px 26px;border-radius:99px;background:#2b2a26;color:#fff8e8;font-weight:600}
.ghost{width:48px;height:48px;border-radius:50%;border:1px solid #d9d0bd;color:#2b2a26;font-size:18px}
.ghost:hover{background:#efe7d6}
.wide{width:100%;margin-top:18px}

.sheet{width:min(460px,calc(100vw - 28px));max-height:80svh;overflow:auto;padding:22px 24px 24px;border-radius:20px;background:#151a2b;border:1px solid var(--glass-line);box-shadow:0 30px 90px rgba(0,0,0,.5)}
.sheet[open]{animation:card-in .4s both cubic-bezier(.2,1.1,.4,1)}
.sheet-head{display:flex;justify-content:space-between;align-items:center}
.sheet h2{margin:0;font-size:20px}
.x{width:38px;height:38px;border-radius:50%;font-size:22px;color:var(--muted)}
.x:hover{background:rgba(255,255,255,.08)}
.muted{color:var(--muted);font-size:14px}
.sheet .solid{background:var(--gold);color:#22180a}
.roster{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.roster button{width:100%;display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;background:rgba(255,255,255,.05);text-align:left;font-size:15px}
.roster button:hover{background:rgba(255,255,255,.1)}
.roster .mark{color:var(--gold2)}
.roster .read{opacity:.6}
.keys{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;margin:16px 0 0;font-size:14px;line-height:1.5}
.keys dt{color:var(--gold2);font-weight:600}
.keys dd{margin:0;color:#ddd5c5}
.keys dd.touch{display:none}
body.touch .keys dd.desk{display:none}
body.touch .keys dd.touch{display:block}

.finale{width:min(480px,calc(100vw - 28px));padding:40px 30px 30px;border-radius:24px;text-align:center;background:linear-gradient(160deg,#2a2342,#141a2c);border:1px solid rgba(255,223,158,.4);overflow:hidden;position:relative}
.finale[open]{animation:card-in .7s both cubic-bezier(.2,1.3,.4,1)}
.finale h2{margin:6px 0 10px;font-family:"Noto Serif TC",Georgia,serif;font-size:36px;color:var(--gold2)}
.finale p{color:#e7dfcf;line-height:1.7;white-space:pre-wrap}
.finale .solid{margin-top:16px;background:var(--gold);color:#22180a}
.burst{position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent 0 8%,rgba(255,223,158,.18) 10%,transparent 12% 25%,rgba(150,200,255,.14) 27%,transparent 29% 42%,rgba(255,160,140,.16) 44%,transparent 46% 60%,rgba(255,223,158,.18) 62%,transparent 64% 78%,rgba(170,255,200,.12) 80%,transparent 82%);animation:spin 18s linear infinite;pointer-events:none}
.finale>*:not(.burst){position:relative}

/* ---------------------------------------------------------------- small screens */
@media (max-width:640px){
  .icon em{display:none}
  .icon{width:42px;padding:0;justify-content:center}
  .pill{padding:8px 14px 8px 10px}
  .dots{grid-template-columns:repeat(6,6px);gap:3px}.dots i{width:6px;height:6px}
  .card{padding:26px 22px calc(18px + var(--safe-b));border-radius:20px 20px 0 0;width:100vw;margin:auto 0 0;max-height:82svh}
  .card[open]{animation:sheet-up .45s both cubic-bezier(.2,1,.3,1)}
  .next{left:auto;right:16px;transform:none}
  body.touch .next{bottom:calc(36px + var(--safe-b))}
  .talk{bottom:calc(170px + var(--safe-b))}
  .hint{white-space:normal;width:max-content;max-width:calc(100vw - 32px);text-align:center}
  .roster{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

@keyframes rise{from{opacity:0;transform:translateY(24px)}}
@keyframes fade-out{to{opacity:0;transform:translateY(-12px)}}
@keyframes nudge{50%{transform:translateX(3px)}}
@keyframes bump{40%{transform:scale(1.5)}}
@keyframes pop{from{opacity:0;transform:translate(-50%,10px) scale(.9)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes card-in{from{opacity:0;transform:translateY(30px) scale(.94)}}
@keyframes sheet-up{from{transform:translateY(100%)}}