:root{
  --void:#06060a;
  --dog:#00d6ff;
  --ball:#d8f000;
  --ink:#f3f4f1;
  --muted:#6c6c78;
  --bad:#ff5a4d;
  --good:#7ee87e;
  --line:#20212b;
  --disp:"Space Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:var(--void);color:var(--ink);font-family:var(--disp);overscroll-behavior:none}
body{position:fixed;inset:0}

.screen{position:absolute;inset:0;display:none;flex-direction:column}
.screen.on{display:flex}

/* ---------- shared bits ---------- */
.btn{appearance:none;border:none;width:100%;padding:18px;border-radius:16px;font-family:var(--disp);
  font-weight:700;font-size:clamp(16px,5vw,20px);letter-spacing:-.01em;cursor:pointer;background:var(--dog);color:#04161c;
  transition:transform .12s ease, filter .12s ease}
.btn:active{transform:scale(.975)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid #2a2a34;font-weight:500}
.btn.danger{background:transparent;color:var(--bad);border:1.5px solid rgba(255,90,77,.4);font-weight:600}
.err{color:var(--bad);font-size:3.7vw;line-height:1.4;min-height:1.2em}

/* ---------- INTRO ---------- */
#intro{padding:max(28px,env(safe-area-inset-top)) 26px max(28px,env(safe-area-inset-bottom));justify-content:space-between;
  background:radial-gradient(120% 80% at 50% 0%, #0d1118 0%, var(--void) 60%)}
.brand{font-weight:700;font-size:15vw;line-height:.9;letter-spacing:-.04em}
.brand small{display:block;font-size:3.4vw;letter-spacing:.40em;font-weight:500;color:var(--dog);margin-top:14px;padding-left:.3em}
.lede{font-size:4.4vw;line-height:1.45;color:#c9cad0;max-width:32ch;font-weight:400}
.lede b{color:var(--ink);font-weight:500}
.dot{color:var(--ball)}
.steps{display:flex;flex-direction:column;gap:13px;margin:4px 0}
.step{display:flex;gap:14px;align-items:flex-start}
.step i{flex:0 0 26px;height:26px;border-radius:50%;border:1.5px solid var(--dog);color:var(--dog);
  display:grid;place-items:center;font-size:13px;font-weight:700;font-style:normal;margin-top:1px}
.step span{font-size:3.9vw;line-height:1.4;color:#c9cad0}

/* ---------- camera-based screens (calib / editor / game) ---------- */
.camWrap{position:absolute;inset:0;background:#000}
.camVid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.overlay{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}

/* CALIB */
.reticle{position:absolute;top:50%;left:50%;width:42vw;height:42vw;transform:translate(-50%,-50%);
  border:2.5px dashed var(--ball);border-radius:50%;opacity:.9;pointer-events:none;
  box-shadow:0 0 40px rgba(216,240,0,.25), inset 0 0 40px rgba(216,240,0,.12)}
.camUI{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;
  padding:max(22px,env(safe-area-inset-top)) 22px max(26px,env(safe-area-inset-bottom));pointer-events:none}
.camUI .top{text-align:center}
.camUI .top h2{font-size:6vw;font-weight:700;letter-spacing:-.02em}
.camUI .top p{font-size:3.8vw;color:#d7d8de;margin-top:8px;line-height:1.4}
.camUI .bottom{pointer-events:auto;display:flex;flex-direction:column;gap:10px}
.hint{font-size:3.6vw;color:var(--ball);text-align:center;min-height:1.3em;font-weight:500}

/* EDITOR */
.editHead{position:absolute;top:0;left:0;right:0;z-index:5;pointer-events:none;
  padding:max(16px,env(safe-area-inset-top)) 16px 0;display:flex;flex-direction:column;align-items:center;gap:6px}
.editHead h2{font-size:4.8vw;font-weight:700}
.editHead p{font-size:3.4vw;color:#cfd0d6;text-align:center;background:rgba(8,9,14,.55);
  backdrop-filter:blur(6px);padding:6px 12px;border-radius:999px}
.editBar{position:absolute;left:0;right:0;bottom:0;z-index:6;
  padding:14px 16px max(18px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px;
  background:linear-gradient(to top, rgba(6,6,10,.92), rgba(6,6,10,0))}
.editBar .row{display:flex;gap:10px}
.targetCount{font-size:13px;color:var(--muted);text-align:center;letter-spacing:.04em}

/* panel de edición de un recipiente */
#editPanel{position:absolute;left:0;right:0;bottom:0;z-index:12;transform:translateY(110%);
  transition:transform .22s ease;background:#0c0d13;border-top:1px solid var(--line);
  border-radius:22px 22px 0 0;padding:18px 18px max(22px,env(safe-area-inset-bottom))}
#editPanel.on{transform:translateY(0)}
#editPanel h3{font-size:4.4vw;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px}
#editPanel h3 .swatch{width:14px;height:14px;border-radius:50%}
.field label{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:500}
.field input[type=text]{width:100%;background:#070810;border:1.5px solid #24252f;border-radius:12px;padding:13px;
  color:var(--ink);font-family:var(--disp);font-size:16px;letter-spacing:.04em;text-transform:uppercase}
.field input:focus{outline:none;border-color:var(--dog)}
.swatches{display:flex;gap:10px;margin-top:12px}
.swatches button{flex:1;height:38px;border-radius:10px;border:2px solid transparent;cursor:pointer}
.swatches button.sel{border-color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{background:#13141c;border:1px solid var(--line);color:#c9cad0;border-radius:999px;
  padding:7px 12px;font-size:13px;cursor:pointer;font-family:var(--disp)}
.chip:active{background:#1b1c26}

/* ---------- GAME HUD ---------- */
.hud{position:absolute;top:0;left:0;right:0;display:flex;gap:8px;align-items:flex-start;
  padding:max(14px,env(safe-area-inset-top)) 14px 0;z-index:4;pointer-events:none}
.pill{pointer-events:none;background:rgba(10,12,18,.62);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:8px 12px;display:flex;flex-direction:column;gap:2px}
.pill .k{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pill .v{font-size:18px;font-weight:700;line-height:1}
.pill .v.dog{color:var(--dog)} .pill .v.good{color:var(--good)}
.statRow{display:flex;gap:8px}
.spacer{flex:1}
.icbtn{pointer-events:auto;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.1);
  background:rgba(10,12,18,.62);backdrop-filter:blur(8px);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.icbtn svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.8;fill:none}
.prompt{position:absolute;top:max(72px,calc(env(safe-area-inset-top) + 58px));left:50%;transform:translateX(-50%);
  z-index:4;pointer-events:none;background:rgba(10,12,18,.7);backdrop-filter:blur(8px);
  border:1px solid rgba(0,214,255,.3);border-radius:999px;padding:9px 18px;font-weight:700;font-size:15px;
  display:none;align-items:center;gap:8px}
.prompt.on{display:flex}
.prompt b{color:var(--dog)}
.gameBottom{position:absolute;left:0;right:0;bottom:0;z-index:4;
  padding:0 16px max(16px,env(safe-area-inset-bottom));display:flex;gap:10px}
.levelTag{position:absolute;left:50%;bottom:calc(max(16px,env(safe-area-inset-bottom)) + 64px);transform:translateX(-50%);
  z-index:4;pointer-events:none;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.45)}

/* ---------- SUMMARY ---------- */
#summary{padding:max(28px,env(safe-area-inset-top)) 24px max(24px,env(safe-area-inset-bottom));
  justify-content:flex-start;gap:18px;overflow:auto;background:radial-gradient(120% 70% at 50% 0%, #0d1118 0%, var(--void) 60%)}
#summary h2{font-size:7vw;font-weight:700;letter-spacing:-.03em;margin-top:6px}
#summary .sub{color:var(--muted);font-size:3.8vw;margin-top:-10px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{background:#0c0d13;border:1px solid var(--line);border-radius:16px;padding:16px}
.card .big{font-size:9vw;font-weight:700;line-height:1}
.card .big.dog{color:var(--dog)} .card .big.good{color:var(--good)} .card .big.ball{color:var(--ball)}
.card .lab{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.histo{background:#0c0d13;border:1px solid var(--line);border-radius:16px;padding:16px}
.histo h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:500}
.bars{display:flex;align-items:flex-end;gap:6px;height:90px}
.bars .bar{flex:1;background:linear-gradient(to top,var(--dog),#0080b3);border-radius:4px 4px 0 0;min-height:3px;position:relative}
.bars .bar span{position:absolute;top:-16px;left:0;right:0;text-align:center;font-size:10px;color:#9a9aa6}
.bars .lbls{display:flex}
.emptyHist{color:var(--muted);font-size:14px;text-align:center;padding:16px 0}

/* ---------- SETTINGS SHEET ---------- */
#sheet{position:absolute;inset:0;z-index:14;display:none;background:rgba(0,0,0,.55);
  align-items:flex-end;backdrop-filter:blur(3px)}
#sheet.on{display:flex}
.sheetCard{width:100%;background:#0c0d13;border-top:1px solid var(--line);border-radius:24px 24px 0 0;
  padding:22px 22px max(26px,env(safe-area-inset-bottom));max-height:90vh;overflow:auto}
.grab{width:42px;height:4px;border-radius:99px;background:#33343f;margin:0 auto 18px}
.sheetCard h3{font-size:5.2vw;font-weight:700;letter-spacing:-.02em;margin-bottom:18px}
.rowblk{margin-bottom:22px}
.rowblk>label{display:block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;font-weight:500}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1 1 40%;padding:12px;border-radius:12px;border:1.5px solid #24252f;background:transparent;
  color:#9a9aa6;font-family:var(--disp);font-weight:500;font-size:14px;cursor:pointer;transition:.12s}
.seg button.sel{border-color:var(--dog);color:var(--dog);background:rgba(0,214,255,.07)}
input[type=range]{width:100%;-webkit-appearance:none;height:5px;border-radius:99px;background:#24252f;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;
  background:var(--dog);cursor:pointer;border:3px solid #0c0d13}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--dog);border:3px solid #0c0d13;cursor:pointer}
.sublabel{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.4}
.sheetActions{display:flex;gap:10px;margin-top:6px}
.sheetActions .btn{font-size:16px;padding:15px}
.toggleRow{display:flex;align-items:center;justify-content:space-between;gap:12px}

@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}