:root{--bg:#0a1628;--panel:#152238;--text:#f0f6fc;--muted:#9bb0c4;--warn:#fbbf24;--touch:72px}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{min-height:100dvh;font-family:"PingFang TC","Noto Sans TC",system-ui,sans-serif;background:radial-gradient(ellipse at 50% 0%,#1e3a5f,transparent 55%),var(--bg);color:var(--text);padding:max(.5rem,env(safe-area-inset-top)) .7rem max(.5rem,env(safe-area-inset-bottom));user-select:none;overflow-x:hidden}
button{font:inherit;border:none;cursor:pointer;color:inherit}
button:active{transform:scale(.98)}
.app{max-width:560px;margin:0 auto;min-height:calc(100dvh - 1rem);display:flex;flex-direction:column}
.screen{display:flex;flex-direction:column;gap:.55rem;flex:1;min-height:0}
.hidden{display:none!important}
h1{text-align:center;font-size:clamp(1rem,3.5vw,1.3rem);color:#7dd3fc;font-weight:900}
.gentle{text-align:center;color:var(--muted);font-weight:600}
.panel{background:var(--panel);border-radius:16px;padding:.9rem;border:1px solid rgba(125,211,252,.2)}
.label{color:var(--warn);font-weight:800;margin:.35rem 0}
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.chip,.chips button{min-height:var(--touch);padding:.45rem .75rem;border-radius:14px;background:rgba(0,0,0,.28);border:2px solid rgba(155,176,196,.25);font-weight:800}
.chip.active,.chips button.active{border-color:var(--warn);background:rgba(251,191,36,.18);color:var(--warn)}
.cur{font-weight:800;margin:.4rem 0}.cur span{color:var(--warn)}
.btn-go{width:100%;min-height:72px;margin-top:.6rem;border-radius:16px;font-weight:900;font-size:1.15rem;background:linear-gradient(180deg,#7dd3fc,#0ea5e9);color:#082f49}
.btn{min-height:56px;border-radius:14px;font-weight:800;padding:0 .8rem;background:rgba(255,255,255,.1);flex:1}
.btn.ghost{background:rgba(0,0,0,.22)}
.bar{flex-shrink:0;display:flex;flex-wrap:wrap;gap:.5rem;justify-content:space-between;font-weight:900;font-size:1.12rem;background:var(--panel);padding:.7rem .85rem;border-radius:16px;border:2px solid rgba(125,211,252,.25)}
.bar b{color:var(--warn);font-size:1.35rem}
.stage{position:relative;flex:1 1 auto;min-height:180px;height:min(52dvh,420px);border-radius:18px;background:linear-gradient(180deg,#0c4a6e 0%,#082f49 40%,#0f172a 100%);border:2px solid rgba(125,211,252,.25);overflow:hidden;touch-action:manipulation}
.bubble{position:absolute;border-radius:50%;border:4px solid rgba(255,255,255,.85);box-shadow:inset -8px -10px 18px rgba(0,0,0,.28),inset 6px 8px 16px rgba(255,255,255,.45),0 0 0 3px rgba(125,211,252,.35),0 6px 16px rgba(0,0,0,.4);animation:float 3.5s ease-in-out infinite;cursor:pointer;background-size:cover;background-position:center 28%;filter:contrast(1.16) saturate(1.18) brightness(1.05);image-rendering:-webkit-optimize-contrast}
.bubble.pop{animation:pop .36s forwards;pointer-events:none;border-color:#fde68a;z-index:5}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes pop{
  0%{transform:scale(1);opacity:1;filter:brightness(1.2) contrast(1.2);box-shadow:0 0 0 0 rgba(251,191,36,.7),0 6px 16px rgba(0,0,0,.4)}
  45%{transform:scale(1.55);opacity:.9;filter:brightness(1.45) saturate(1.3);box-shadow:0 0 0 18px rgba(251,191,36,.35),0 8px 20px rgba(0,0,0,.3)}
  to{transform:scale(1.85);opacity:0;box-shadow:0 0 0 28px rgba(251,191,36,0)}
}
.row{display:flex;gap:.4rem;flex-shrink:0}
.overlay{position:fixed;inset:0;background:rgba(5,12,20,.75);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:20}
.card{background:var(--panel);border-radius:18px;padding:1rem;width:min(420px,100%);border:1px solid rgba(125,211,252,.3)}
.card h2{text-align:center;color:var(--warn);margin-bottom:.5rem}
#lb-table table{width:100%;border-collapse:collapse;font-size:.9rem}
#lb-table th,#lb-table td{padding:.4rem;border-bottom:1px solid rgba(255,255,255,.08);font-weight:700}
#lb-table tr.me td{color:var(--warn)}


/* P1.2 win celebrate */
#win:not(.hidden){background:rgba(4,10,18,.86)}
#win:not(.hidden) .card{border:2px solid rgba(251,191,36,.55);box-shadow:0 0 0 3px rgba(251,191,36,.35),0 18px 48px rgba(0,0,0,.5)}
#win:not(.hidden) #wtitle,#win:not(.hidden) h2{font-size:clamp(1.9rem,7vw,2.75rem)!important;color:#fde68a!important;font-weight:900;letter-spacing:.04em;text-shadow:0 2px 12px rgba(251,191,36,.5)}
#win:not(.hidden) #wmsg{font-size:clamp(1.15rem,3.8vw,1.4rem);font-weight:800}


/* batch4 residual — clearer bubbles / HUD / pop flash */
html.elder-mode .bar{font-size:1.22rem}
html.elder-mode .bar b{font-size:1.5rem}


/* photo preload (mirror match-flip) */
.bp-load{position:absolute;inset:0;z-index:8;display:flex;align-items:center;justify-content:center;background:rgba(8,20,36,.78);border-radius:18px;font-size:clamp(1.2rem,4.5vw,1.55rem);font-weight:900;color:#7dd3fc;letter-spacing:.04em}
.bp-load.hidden{display:none!important}

#game{position:relative}