*{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;overflow:hidden;background:#070012;color:#e8f7ff;
  font-family:ui-rounded,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;touch-action:none;user-select:none}
#app{position:relative;width:100%;height:100%}
#game{display:block;width:100%;height:100%;background:#070012}
.scan{pointer-events:none;position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,255,249,.03) 3px);mix-blend-mode:screen;z-index:2}
.screen{position:absolute;inset:0;display:none;align-items:center;justify-content:center;z-index:10;padding:1rem;
  background:radial-gradient(ellipse at 50% 20%,rgba(180,76,255,.25),transparent 55%),rgba(5,0,14,.82);backdrop-filter:blur(6px)}
.screen.active{display:flex}
.panel{max-width:26rem;width:100%;text-align:center;padding:1.25rem 1.1rem 1.4rem;border-radius:18px;
  background:linear-gradient(160deg,rgba(18,0,36,.92),rgba(8,0,22,.95));
  border:1.5px solid rgba(0,255,249,.45);box-shadow:0 0 28px rgba(255,43,214,.25),inset 0 0 40px rgba(180,76,255,.08)}
.badge{display:inline-block;font-size:.72rem;letter-spacing:.12em;color:#00fff9;border:1px solid rgba(0,255,249,.5);
  padding:.2rem .55rem;border-radius:999px;margin-bottom:.55rem}
h1{font-size:1.85rem;letter-spacing:.04em;color:#ff2bd6;text-shadow:0 0 18px rgba(255,43,214,.55);margin-bottom:.25rem}
.tagline{color:#c9b3ff;font-size:.95rem;margin-bottom:.35rem}
.ver{font-size:.7rem;color:#7a8;margin:.25rem 0 .7rem}
.howto{text-align:left;margin:.6rem auto 1rem;padding-left:1.1rem;color:#d6eaf8;font-size:.86rem;line-height:1.45;max-width:22rem}
.howto li{margin:.28rem 0}
.lang-picker{display:flex;gap:.35rem;justify-content:center;margin-bottom:.7rem}
.lang-btn,.btn{appearance:none;border:none;cursor:pointer;font:inherit}
.lang-btn{padding:.28rem .55rem;border-radius:8px;background:rgba(0,255,249,.08);color:#9cf;border:1px solid rgba(0,255,249,.25)}
.lang-btn.active{background:rgba(255,43,214,.25);color:#fff;border-color:#ff2bd6}
.btn{display:inline-block;padding:.7rem 1.15rem;border-radius:12px;margin:.28rem .2rem;font-weight:700;letter-spacing:.02em}
.btn-play,.btn-primary{background:linear-gradient(90deg,#ff2bd6,#b44cff);color:#fff;box-shadow:0 0 18px rgba(255,43,214,.4)}
.btn-ghost{background:transparent;color:#9cf;border:1px solid rgba(0,255,249,.35)}
.btn-tip{background:rgba(0,255,249,.1);color:#00fff9;border:1px solid rgba(0,255,249,.4);text-decoration:none}
.btn.small{padding:.35rem .55rem;font-size:.85rem}
.hint,.studio{font-size:.78rem;color:#7a8;margin-top:.45rem}
.hud{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;flex-wrap:wrap;gap:.4rem;padding:.55rem .6rem;pointer-events:none}
.hud.hidden,.hidden{display:none!important}
.chip{pointer-events:auto;background:rgba(8,0,22,.75);border:1px solid rgba(0,255,249,.35);color:#e8f7ff;
  padding:.28rem .55rem;border-radius:10px;font-size:.82rem;box-shadow:0 0 10px rgba(180,76,255,.2)}
#b-pause{cursor:pointer}
#power{position:absolute;left:50%;bottom:12%;transform:translateX(-50%);width:min(70vw,14rem);height:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(0,255,249,.4);border-radius:999px;z-index:6;overflow:hidden}
#power.hidden{display:none}
#power-fill{height:100%;width:0;background:linear-gradient(90deg,#00fff9,#ff2bd6);box-shadow:0 0 12px #ff2bd6}
#toast,#coach,#quip{position:absolute;left:50%;transform:translateX(-50%);z-index:7;text-align:center;
  padding:.45rem .8rem;border-radius:10px;max-width:90vw;pointer-events:none}
#toast{bottom:22%;background:rgba(255,43,214,.2);border:1px solid #ff2bd6;color:#fff;font-weight:700;font-size:1.05rem;
  text-shadow:0 0 10px #ff2bd6}
#toast.hidden,#coach.hidden,#quip.hidden{display:none}
#coach{top:18%;background:rgba(0,255,249,.12);border:1px solid #00fff9;color:#dff;font-size:.88rem}
#quip{top:12%;background:rgba(180,76,255,.18);border:1px dashed rgba(255,43,214,.55);color:#f6e;font-size:.84rem;font-style:italic}
#pause-overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;z-index:20;
  background:rgba(5,0,14,.75);backdrop-filter:blur(5px)}
#pause-overlay.show{display:flex}
.pause-panel{text-align:center;padding:1.2rem;border:1px solid #00fff9;border-radius:14px;background:rgba(10,0,24,.9)}
.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;margin:.8rem 0;max-height:40vh;overflow:auto}
.lvl{aspect-ratio:1;border-radius:10px;border:1px solid rgba(0,255,249,.3);background:rgba(0,255,249,.06);color:#cff;
  font-size:.78rem;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem}
.lvl.locked{opacity:.35;cursor:not-allowed}
.lvl .stars{color:#ff2bd6;letter-spacing:.05em}
.result{font-size:1.4rem;margin:.4rem 0;color:#00fff9}
.result-sub{color:#c9b3ff;margin:.25rem 0}
.stars-big{color:#ff2bd6;font-size:1.3rem;letter-spacing:.15em;margin:.35rem 0}