/* ============================================================
   GOKUPOKU // CHROME
   Persistent UI overlays + custom cursor + HUD + nav-arrows.
   All elements positioned fixed, z-index 7000+, pointer-events
   are disabled where the chrome should never eat clicks.
   ============================================================ */

/* ====== GLOBAL OVERLAYS ====== */
.noise{
  position:fixed;inset:0;pointer-events:none;z-index:9000;
  background-image:var(--noise);
  opacity:.18;
  mix-blend-mode:overlay;
  animation:gp-noiseShift .12s steps(2) infinite;
}
@keyframes gp-noiseShift{
  0%{transform:translate(0,0)}
  50%{transform:translate(-3px,2px)}
  100%{transform:translate(2px,-1px)}
}
.scanlines{
  position:fixed;inset:0;pointer-events:none;z-index:9001;
  background:repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,.18) 3px,
    rgba(0,0,0,0) 4px
  );
  mix-blend-mode:multiply;
}
.vignette{
  position:fixed;inset:0;pointer-events:none;z-index:9002;
  background:radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,.85) 100%);
}
.crt-flicker{
  position:fixed;inset:0;pointer-events:none;z-index:9003;
  background:rgba(255,0,102,.02);
  animation:gp-flick 7s infinite;
}
@keyframes gp-flick{
  0%,96%,100%{opacity:0}
  97%{opacity:.4;background:rgba(0,240,255,.05)}
  98%{opacity:.2;background:rgba(255,0,102,.06)}
}

.crosshair-corners{
  position:fixed;inset:18px;pointer-events:none;z-index:7999;
}
.crosshair-corners::before,.crosshair-corners::after,
.crosshair-corners > span:before,.crosshair-corners > span:after{
  content:"";position:absolute;width:18px;height:18px;
  border:1px solid var(--cream);opacity:.5;
}
.crosshair-corners::before{top:0;left:0;border-right:none;border-bottom:none}
.crosshair-corners::after{top:0;right:0;border-left:none;border-bottom:none}
.crosshair-corners > span{position:absolute;inset:0}
.crosshair-corners > span:before{bottom:0;left:0;border-right:none;border-top:none}
.crosshair-corners > span:after{bottom:0;right:0;border-left:none;border-top:none}

/* ====== CURSOR ====== */
.cursor{
  position:fixed;top:0;left:0;width:0;height:0;
  pointer-events:none;z-index:9999;
  mix-blend-mode:difference;
}
.cursor::before,.cursor::after{
  content:"";position:absolute;background:var(--cream);
}
.cursor::before{
  width:100vw;height:1px;left:-50vw;top:0;
  background:linear-gradient(90deg,transparent,var(--mag) 40%,var(--cyan) 60%,transparent);
  opacity:.5;
}
.cursor::after{
  width:1px;height:100vh;top:-50vh;left:0;
  background:linear-gradient(180deg,transparent,var(--mag) 40%,var(--cyan) 60%,transparent);
  opacity:.5;
}
.cursor-dot{
  position:fixed;width:14px;height:14px;border-radius:50%;
  background:var(--mag);pointer-events:none;z-index:10000;
  transform:translate(-50%,-50%);
  mix-blend-mode:exclusion;
  transition:width .15s,height .15s,background .15s;
}
.cursor-ring{
  position:fixed;width:40px;height:40px;
  border:1px solid var(--cyan);
  border-radius:0;
  pointer-events:none;z-index:9998;
  transform:translate(-50%,-50%) rotate(0deg);
  transition:transform .3s, border-color .2s;
  animation:gp-ringspin 4s linear infinite;
}
@keyframes gp-ringspin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.cursor-label{
  position:fixed;font-family:"Major Mono Display",monospace;
  font-size:10px;letter-spacing:.2em;
  color:var(--yellow);pointer-events:none;z-index:10000;
  transform:translate(20px,-20px);
  text-transform:uppercase;
  text-shadow:0 0 6px rgba(255,230,10,.4);
}

/* ====== HUD ====== */
.hud{
  position:fixed;inset:0;pointer-events:none;z-index:8000;
  font-family:"Space Mono",monospace;font-size:10px;
  letter-spacing:.15em;text-transform:uppercase;
  color:var(--cream);
}
.hud > div{position:absolute;padding:8px 12px}
.hud-tl{top:0;left:0;display:flex;gap:14px;align-items:center}
.hud-tr{top:0;right:0;text-align:right}
.hud-bl{bottom:0;left:0;display:flex;gap:14px;align-items:flex-end}
.hud-br{bottom:0;right:0;text-align:right;display:flex;gap:14px;align-items:flex-end}
.hud .blink{animation:gp-blink 1.1s steps(2) infinite;color:var(--mag)}
@keyframes gp-blink{50%{opacity:0}}
.hud .pill{
  border:1px solid currentColor;padding:3px 8px;
}
.hud .pill.mag{color:var(--mag)}
.hud .pill.cy{color:var(--cyan)}
.hud .pill.yl{color:var(--yellow)}

/* ====== NAV ARROWS ====== */
.nav-arrows{
  position:fixed;right:24px;top:50%;transform:translateY(-50%);
  z-index:8100;display:flex;flex-direction:column;gap:8px;
  font-family:"Major Mono Display",monospace;font-size:10px;
  letter-spacing:.2em;color:var(--cream);
}
.nav-arrows button{
  background:none;border:1px solid var(--cream);color:var(--cream);
  padding:8px 10px;cursor:none;font-family:inherit;font-size:9px;
  letter-spacing:.2em;text-transform:uppercase;width:60px;
  transition:background .15s, color .15s;
}
.nav-arrows button:hover{background:var(--mag);color:var(--void);border-color:var(--mag)}
.nav-arrows .dot{
  width:8px;height:8px;border:1px solid var(--cream);
  margin:2px auto;cursor:none;transition:background .15s;
}
.nav-arrows .dot.active{background:var(--mag);border-color:var(--mag)}

/* ====== CLICK SHATTER + BODY SHAKE ====== */
.click-shatter{position:fixed;pointer-events:none;z-index:9500;}