/* Shared UI for the Web Plug 3D games. Light and dark follow the system (or the in-game toggle). */
:root{
  --bg:#eaf2ff; --panel:#ffffff; --panel2:#f1f5ff; --ink:#14203a; --muted:#53617f; --line:rgba(20,32,58,.14);
  --accent:#2f7cff; --accent-ink:#ffffff; --good:#14925f; --bad:#d63b4a; --shadow:0 10px 30px rgba(20,32,58,.18);
  --scrim:rgba(234,242,255,.72); --hud:rgba(255,255,255,.82);
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px); --sal:env(safe-area-inset-left,0px); --sar:env(safe-area-inset-right,0px);
  color-scheme:light;
}
:root[data-theme=dark]{
  --bg:#0c1222; --panel:#18213a; --panel2:#222d4c; --ink:#eef2ff; --muted:#a3b0d0; --line:rgba(238,242,255,.16);
  --accent:#5b9bff; --accent-ink:#06122b; --good:#4ee0a0; --bad:#ff6b79; --shadow:0 10px 30px rgba(0,0,0,.5);
  --scrim:rgba(8,12,24,.7); --hud:rgba(24,33,58,.82);
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:600 16px/1.35 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow:hidden;
  overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}
#app{position:fixed;inset:0}
canvas#c{position:absolute;inset:0;width:100%;height:100%;display:block;outline:none;touch-action:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;touch-action:manipulation}
button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* HUD */
.hud{position:absolute;left:0;right:0;top:0;display:flex;align-items:flex-start;gap:8px;justify-content:space-between;
  padding:calc(10px + var(--sat)) calc(12px + var(--sar)) 0 calc(12px + var(--sal));pointer-events:none}
.hud>*{pointer-events:auto}
.pill{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border-radius:999px;background:var(--hud);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 10px rgba(0,0,0,.12);font-variant-numeric:tabular-nums;font-weight:800}
.pill small{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:800}
.pill b{font-size:20px}
.stack{display:flex;gap:8px;align-items:center}
.ibtn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--hud);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 10px rgba(0,0,0,.12)}
.ibtn svg{width:22px;height:22px;fill:none;stroke:var(--ink);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.ibtn[data-state=off] .wave{display:none}
.ibtn:not([data-state=off]) .slash{display:none}

/* Screens */
.screen{position:absolute;inset:0;display:grid;place-items:center;padding:calc(16px + var(--sat)) calc(16px + var(--sar)) calc(16px + var(--sab)) calc(16px + var(--sal));
  background:var(--scrim);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);overflow:auto;touch-action:pan-y}
.card{width:min(100%,380px);background:var(--panel);border-radius:26px;padding:22px 20px 20px;box-shadow:var(--shadow);text-align:center}
.card h1{margin:0 0 4px;font-size:34px;line-height:1.05;letter-spacing:-.02em;font-weight:900}
.card h2{margin:0 0 6px;font-size:28px;line-height:1.1;font-weight:900}
.card p{margin:6px 0 14px;color:var(--muted)}
.logo{width:76px;height:76px;border-radius:20px;margin:0 auto 10px;display:block;box-shadow:0 6px 16px rgba(0,0,0,.25)}
.btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:52px;margin-top:10px;border-radius:16px;font-weight:900;font-size:18px;
  background:var(--accent);color:var(--accent-ink);box-shadow:0 4px 0 rgba(0,0,0,.18);transition:transform .08s}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.18)}
.btn.alt{background:var(--panel2);color:var(--ink);box-shadow:none;border:2px solid var(--line)}
.row{display:flex;gap:10px}
.row .btn{margin-top:10px}
.stat{display:flex;justify-content:space-between;padding:10px 14px;margin-top:8px;border-radius:14px;background:var(--panel2);font-weight:800}
.stat span:first-child{color:var(--muted)}
.big{font-size:54px;font-weight:900;line-height:1;margin:6px 0;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.new{display:inline-block;margin:4px 0;padding:3px 12px;border-radius:999px;background:var(--good);color:#04210f;font-weight:900;font-size:13px;letter-spacing:.06em}
.hint{position:absolute;left:0;right:0;bottom:calc(22px + var(--sab));text-align:center;pointer-events:none}
.hint span{display:inline-block;padding:9px 16px;border-radius:999px;background:var(--hud);font-weight:800;font-size:15px;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.toast{position:absolute;left:50%;top:38%;transform:translate(-50%,-50%);padding:10px 20px;border-radius:18px;background:var(--panel);box-shadow:var(--shadow);font-size:24px;font-weight:900;pointer-events:none;animation:pop .9s ease-out forwards}
@keyframes pop{0%{opacity:0;transform:translate(-50%,-30%) scale(.7)}18%{opacity:1;transform:translate(-50%,-50%) scale(1.05)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-70%) scale(1)}}
.fpsbox{position:absolute;left:8px;bottom:8px;padding:2px 8px;border-radius:8px;background:rgba(0,0,0,.6);color:#9f9;font:700 12px ui-monospace,monospace;pointer-events:none}
.kbd{display:inline-block;padding:1px 7px;border-radius:7px;background:var(--panel2);border:1px solid var(--line);font-size:13px;font-weight:800}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.noscript{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center}
@media (max-width:430px){.hud{gap:6px}.stack{gap:5px}.pill{padding:0 9px;gap:6px}.pill b{font-size:18px}.pill small{font-size:10px;letter-spacing:.05em}}
@media (prefers-reduced-motion:reduce){.toast{animation:none}.btn{transition:none}}
@media (min-width:700px){.card{width:420px}}
@media (max-height:520px){.card{padding:14px}.card h1{font-size:26px}.logo{display:none}.big{font-size:40px}}