:root{
  --bg:#0c1411; --fg:#ecf4ee; --fg2:#d3e3d9; --dim:#87a396;
  --acc:#4bb083; --acc2:#93dcb8; --ok:#7ed0a0; --warn:#e0a34a;
  --card:rgba(11,23,18,.92); --line:rgba(75,176,131,.24); --accSoft:rgba(75,176,131,.13);
  --vig:rgba(3,8,6,.8); --screen:rgba(7,15,11,.96);
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,'Roboto Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:var(--sans);
  -webkit-user-select:none;user-select:none;overscroll-behavior:none}
@supports(height:100dvh){html,body{height:100dvh}}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
a{color:var(--acc)}
:focus-visible{outline:2px solid var(--acc2);outline-offset:2px}
.hidden{display:none!important}

#scene{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
#vignette{position:absolute;inset:0;pointer-events:none;z-index:1;
  background:radial-gradient(ellipse at 50% 44%,transparent 55%,var(--vig) 100%)}

/* ── HUD ── */
#hud{position:absolute;inset:0;z-index:3;pointer-events:none}
#topbar{position:absolute;top:calc(10px + env(safe-area-inset-top,0px));left:0;right:0;
  display:flex;justify-content:space-between;align-items:flex-start;padding:0 12px}
#petplate{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:8px 14px}
#petplate b{display:block;font-size:.95rem;font-weight:650;letter-spacing:.04em}
#petplate span{display:block;font-size:.56rem;letter-spacing:.12em;color:var(--dim);margin-top:2px;text-transform:uppercase}
#sysctl{display:flex;gap:8px;pointer-events:auto;align-items:center}
#sysctl a,#sysctl button{background:var(--card);border:1px solid var(--line);border-radius:9px;
  min-height:40px;padding:0 13px;display:inline-flex;align-items:center;
  font-size:.6rem;letter-spacing:.14em;text-decoration:none;color:var(--acc2)}

#meters{position:absolute;left:50%;transform:translateX(-50%);
  bottom:calc(12px + env(safe-area-inset-bottom,0px));width:min(430px,94vw);
  display:flex;gap:9px;background:var(--card);border:1px solid var(--line);
  border-radius:13px;padding:10px 13px}
.meter{flex:1 1 0;min-width:0}
.meter label{display:block;font-size:.46rem;letter-spacing:.16em;color:var(--dim);margin-bottom:4px}
.meter .bar{height:7px;border-radius:4px;background:rgba(150,150,150,.16);overflow:hidden}
.meter .bar i{display:block;height:100%;width:60%;
  background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .3s}
.meter.low .bar i{background:linear-gradient(90deg,#7a5a2a,var(--warn))}
@media (prefers-reduced-motion: reduce){ .meter .bar i{transition:none} }

#toasts{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));
  display:flex;flex-direction:column;align-items:center;gap:6px}
.toast{background:var(--card);border:1px solid var(--line);border-radius:9px;
  font-size:.66rem;letter-spacing:.05em;color:var(--fg2);padding:7px 13px;
  animation:toastin .25s ease-out}
@keyframes toastin{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){ .toast{animation:none} }

/* ── start / adoption screen ── */
.overlay{position:fixed;inset:0;z-index:10;background:var(--screen);overflow-y:auto;
  display:flex;align-items:center;justify-content:center}
.start-inner{width:min(560px,100%);padding:max(26px,env(safe-area-inset-top,0px)) 22px 40px;text-align:center}
.start-pre{font-size:.55rem;letter-spacing:.34em;color:var(--dim)}
.start-inner h1{font-size:clamp(2.1rem,9vw,3.2rem);letter-spacing:.08em;line-height:1.05;
  font-weight:300;margin-top:10px}
.start-inner h1 b{color:var(--acc);font-weight:700}
.start-rule{display:flex;align-items:center;gap:12px;margin:14px 0 16px}
.start-rule span{flex:1;height:1px;background:var(--line)}
.start-rule em{font-style:normal;font-size:.55rem;letter-spacing:.26em;color:var(--acc2);white-space:nowrap}
.start-lore{font-size:.78rem;line-height:1.75;color:var(--fg2);max-width:44ch;margin:0 auto}

.adopt-opts{margin:22px auto 0;max-width:430px;text-align:left}
.opt-row{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:11px}
.opt-label{flex:0 0 100%;font-size:.48rem;letter-spacing:.2em;color:var(--dim);margin-bottom:2px}
.opt-btn{flex:1 1 auto;min-height:44px;border:1px solid var(--line);border-radius:10px;
  background:rgba(150,150,150,.05);font-size:.64rem;letter-spacing:.1em;padding:8px 12px}
.opt-btn.sel{background:var(--accSoft);border-color:var(--acc);color:#fff}
#in-name{flex:1 1 auto;min-height:44px;border:1px solid var(--line);border-radius:10px;
  background:rgba(150,150,150,.05);color:var(--fg);font:inherit;font-size:.8rem;
  letter-spacing:.06em;padding:8px 14px;-webkit-user-select:text;user-select:text}
#in-name::placeholder{color:var(--dim)}

.start-btns{margin-top:22px}
.big-btn{min-height:52px;width:min(320px,100%);border:1px solid var(--acc);border-radius:12px;
  background:var(--accSoft);color:var(--acc2);font-size:.82rem;letter-spacing:.16em;font-weight:650}
.big-btn:hover{background:rgba(75,176,131,.22)}
.start-foot{margin-top:24px;font-size:.52rem;letter-spacing:.14em;color:var(--dim);line-height:2}
.game-links{display:flex;gap:18px;justify-content:center;margin-top:8px}
.game-links a{font-size:.52rem;letter-spacing:.14em;text-decoration:none}