/* ============================================================
   NOUNDER — core.css
   base / tokens / overlays / cursor / gate / hud / terminal
   palette is strictly #000 → #fff. no color anywhere.
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:#000;color:#fff;
  font-family:var(--mono);
  font-size:15px;line-height:1.5;
  overflow-x:hidden;overflow-y:auto;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overscroll-behavior-y:none;
}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit;background:none;border:0;outline:0}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
[hidden]{display:none !important}   /* our overlays set display, [hidden] must still win */
::selection{background:#fff;color:#000}

:root{
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --w:#fff;
  --w70:rgba(255,255,255,.7);
  --w45:rgba(255,255,255,.45);
  --w25:rgba(255,255,255,.25);
  --w12:rgba(255,255,255,.12);
  --w06:rgba(255,255,255,.06);
  --pad: max(16px, env(safe-area-inset-left));
  --padb: max(16px, env(safe-area-inset-bottom));
  --padt: max(16px, env(safe-area-inset-top));
  --ease: cubic-bezier(.22,.61,.36,1);
  --nx:0; --ny:0;          /* lerped pointer, -1..1 — set by util.js */
  --tilt-x:0; --tilt-y:0;  /* device tilt on mobile */
  --feather-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 120'%3E%3Cpath d='M20 2c14 26 16 56 6 82-3 8-6 14-6 34-0-20-3-26-6-34C4 58 6 28 20 2z'/%3E%3C/svg%3E");
}

@property --sway { syntax:'<angle>'; inherits:false; initial-value:0deg }

body.is-locked{overflow:hidden;height:100dvh}
.world{opacity:0;visibility:hidden}
body[data-phase="live"] .world{opacity:1;visibility:visible}

/* type helpers */
.mono-s{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--w45)}


/* ============================================================
   GLITCH TEXT
   ============================================================ */
.glitch{position:relative;display:inline-block}
.glitch::before,.glitch::after{
  content:attr(data-text);position:absolute;inset:0;
  pointer-events:none;opacity:0;
  clip-path:inset(0 0 100% 0);
  background:#000;
}
.glitch::before{color:#fff;transform:translate(-2px,-1px);mix-blend-mode:screen}
.glitch::after{color:#9a9a9a;transform:translate(2px,1px);mix-blend-mode:screen}
.glitch:hover::before,.glitch:hover::after,.glitch.is-glitching::before,.glitch.is-glitching::after{
  opacity:.9;animation:glitchClip .55s steps(3,end) infinite
}
.glitch:hover::after,.glitch.is-glitching::after{animation-duration:.42s;animation-direction:reverse}
@keyframes glitchClip{
  0%{clip-path:inset(0 0 82% 0)}
  20%{clip-path:inset(58% 0 22% 0)}
  40%{clip-path:inset(24% 0 61% 0)}
  60%{clip-path:inset(78% 0 6% 0)}
  80%{clip-path:inset(38% 0 44% 0)}
  100%{clip-path:inset(10% 0 74% 0)}
}


/* ============================================================
   OVERLAYS — grain / scanlines / vignette / flicker
   ============================================================ */
.grain,.scan,.vignette,.flicker{position:fixed;inset:-60px;pointer-events:none;z-index:900}
.grain{
  background-repeat:repeat;background-size:180px 180px;
  opacity:.16;mix-blend-mode:overlay;
  will-change:background-position;
  animation:grainMove 1.1s steps(9,end) infinite;
}
.grain::after{
  content:"";position:absolute;inset:0;
  background:inherit;background-size:320px 320px;
  opacity:.55;animation:grainMove2 1.7s steps(7,end) infinite reverse;
}
@keyframes grainMove{
  0%{background-position:0 0}   11%{background-position:-34px 12px}
  22%{background-position:22px -28px} 33%{background-position:-12px 31px}
  44%{background-position:41px 17px}  55%{background-position:-27px -19px}
  66%{background-position:14px 40px}  77%{background-position:-40px -6px}
  100%{background-position:9px -35px}
}
@keyframes grainMove2{
  0%{background-position:0 0} 25%{background-position:60px -40px}
  50%{background-position:-50px 30px} 75%{background-position:30px 55px}
  100%{background-position:-20px -60px}
}
.scan{
  z-index:901;opacity:.35;
  background:repeating-linear-gradient(180deg,
    rgba(255,255,255,.035) 0 1px, rgba(0,0,0,0) 1px 3px);
  animation:scanDrift 8s linear infinite;
}
@keyframes scanDrift{to{transform:translateY(3px)}}
.vignette{
  z-index:902;
  background:
    radial-gradient(120% 90% at 50% 45%, rgba(0,0,0,0) 42%, rgba(0,0,0,.55) 88%, rgba(0,0,0,.85) 100%);
}
.flicker{z-index:903;background:#fff;opacity:0}
.flicker.is-on{animation:flick .16s steps(2,end) 2}
@keyframes flick{0%{opacity:0}40%{opacity:.13}60%{opacity:.02}100%{opacity:0}}


/* ============================================================
   CURSOR
   ============================================================ */
.cursor{position:fixed;left:0;top:0;z-index:960;pointer-events:none;opacity:0;
  transition:opacity .3s;mix-blend-mode:difference;will-change:transform}
body.has-cursor .cursor{opacity:1}
.cursor__dot{position:absolute;left:-2px;top:-2px;width:4px;height:4px;background:#fff;border-radius:50%}
.cursor__ring{
  position:absolute;left:-13px;top:-13px;width:26px;height:26px;border:1px solid rgba(255,255,255,.55);
  border-radius:50%;transition:transform .22s var(--ease),opacity .22s,border-radius .22s;
}
.cursor__label{
  position:absolute;left:20px;top:-6px;font-size:9px;letter-spacing:.22em;
  text-transform:uppercase;white-space:nowrap;opacity:0;transform:translateX(-4px);
  transition:opacity .18s,transform .18s;
}
body.cursor-hot .cursor__ring{transform:scale(1.75);border-radius:2px;border-color:#fff}
body.cursor-hot .cursor__label{opacity:.9;transform:none}
body.cursor-press .cursor__ring{transform:scale(.6)}
@media (hover:hover) and (pointer:fine){ body.has-cursor,body.has-cursor *{cursor:none !important} }


/* ============================================================
   GATE / ENTER SCREEN
   ============================================================ */
.gate{
  position:fixed;inset:0;z-index:800;background:#000;
  display:grid;place-items:center;padding:var(--padt) var(--pad) var(--padb);
  transition:opacity .35s ease,filter .35s ease;
}
body[data-phase="live"] .gate{opacity:0;visibility:hidden;pointer-events:none;filter:blur(6px)}
.gate__inner{text-align:center;transform:translate3d(calc(var(--nx)*-6px),calc(var(--ny)*-6px),0)}
.gate__name{
  font-size:clamp(34px,9vw,74px);font-weight:400;letter-spacing:.34em;
  text-indent:.34em;line-height:1;
  animation:breathe 6s ease-in-out infinite;
}
.gate__sub{
  margin-top:18px;font-size:clamp(10px,2.6vw,12px);letter-spacing:.24em;
  color:var(--w45);text-transform:lowercase;
}
@keyframes breathe{0%,100%{opacity:.92;filter:blur(0)}50%{opacity:1;filter:blur(.3px)}}

.enter{
  margin-top:clamp(44px,10vh,80px);padding:14px 30px;
  font-size:12px;letter-spacing:.42em;text-indent:.42em;
  border:1px solid var(--w25);color:#fff;
  transition:border-color .3s,letter-spacing .4s var(--ease),background .3s;
}
.enter:hover,.enter:focus-visible{border-color:#fff;letter-spacing:.6em;text-indent:.6em;background:rgba(255,255,255,.04)}
.enter:active{transform:translateY(1px)}

.gate__hud{
  position:absolute;left:var(--pad);bottom:var(--padb);right:var(--pad);
  display:flex;gap:16px;align-items:center;
  font-size:9px;letter-spacing:.2em;color:var(--w45);text-transform:uppercase;
}
.gate__hint{
  position:absolute;top:var(--padt);left:0;right:0;text-align:center;
  font-size:9px;letter-spacing:.24em;color:var(--w25);text-transform:uppercase;
  animation:fadeInSlow 3s 1.2s both;
}
@keyframes fadeInSlow{from{opacity:0}to{opacity:1}}

.gate__frame{position:absolute;inset:calc(var(--padt) + 6px) calc(var(--pad) + 6px)}
.frame__c{position:absolute;width:16px;height:16px;border:1px solid var(--w25)}
.frame__c--tl{top:0;left:0;border-right:0;border-bottom:0}
.frame__c--tr{top:0;right:0;border-left:0;border-bottom:0}
.frame__c--bl{bottom:0;left:0;border-right:0;border-top:0}
.frame__c--br{bottom:0;right:0;border-left:0;border-top:0}

.rec{display:inline-flex;align-items:center;gap:6px}
.rec i{width:6px;height:6px;border-radius:50%;background:#fff;animation:recBlink 1.6s steps(1,end) infinite}
@keyframes recBlink{0%,55%{opacity:1}56%,100%{opacity:.15}}


/* ============================================================
   SHUTTER TRANSITION (white flash → noise → open)
   ============================================================ */
.shutter{position:fixed;inset:0;z-index:950;pointer-events:none;opacity:0}
.shutter.is-firing{opacity:1}
.shutter__flash{position:absolute;inset:0;background:#fff;opacity:0}
.shutter__noise{position:absolute;inset:0;opacity:0;background-size:160px 160px;mix-blend-mode:screen}
.shutter__bars{
  position:absolute;inset:0;opacity:0;
  background:repeating-linear-gradient(180deg,#fff 0 2px,#000 2px 5px,#5a5a5a 5px 6px,#000 6px 11px);
}
.shutter.is-firing .shutter__flash{animation:shFlash .62s steps(4,end) forwards}
.shutter.is-firing .shutter__noise{animation:shNoise .62s steps(6,end) forwards}
.shutter.is-firing .shutter__bars{animation:shBars .62s steps(8,end) forwards}
@keyframes shFlash{0%{opacity:0}8%{opacity:1}22%{opacity:.85}45%{opacity:.1}70%{opacity:.25}100%{opacity:0}}
@keyframes shNoise{0%{opacity:0}20%{opacity:.9}75%{opacity:.5}100%{opacity:0}}
@keyframes shBars{0%{opacity:0;transform:scaleY(.2)}25%{opacity:.55}55%{opacity:.2;transform:scaleY(1.4)}100%{opacity:0}}


/* ============================================================
   LIVE HUD (rec / clock / battery / sound / terminal)
   ============================================================ */
.hud{
  position:fixed;z-index:930;left:0;right:0;bottom:0;
  padding:10px calc(var(--pad)) calc(var(--padb)) var(--pad);
  display:flex;justify-content:space-between;align-items:flex-end;gap:12px;
  font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--w45);
  opacity:0;transition:opacity .6s .3s;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.75));
}
body[data-phase="live"] .hud{opacity:1}
.hud__l,.hud__r{display:flex;gap:12px;align-items:center;pointer-events:auto}
.batt{display:inline-block;width:22px;height:9px;border:1px solid var(--w25);position:relative}
.batt::after{content:"";position:absolute;right:-3px;top:2px;width:2px;height:3px;background:var(--w25)}
.batt b{display:block;height:100%;background:var(--w45)}
.hbtn{
  padding:6px 9px;border:1px solid var(--w12);font-size:9px;letter-spacing:.2em;
  color:var(--w45);transition:color .25s,border-color .25s,background .25s;
}
.hbtn:hover{color:#fff;border-color:var(--w45);background:rgba(255,255,255,.05)}
.hbtn b{font-weight:400}
.hbtn--term{font-size:11px;letter-spacing:0;padding:5px 10px}
body.snd-on #soundBtn{color:#fff;border-color:var(--w45)}

/* сейчас играет */
.nowplay{
  display:flex;align-items:center;gap:6px;max-width:min(46vw,240px);
  font-size:9px;letter-spacing:.16em;color:var(--w45);
  white-space:nowrap;overflow:hidden;
  animation:npIn .5s var(--ease) both;
}
.nowplay span{overflow:hidden;text-overflow:ellipsis}
.nowplay i{font-style:normal;color:#fff;animation:npPulse 1.9s ease-in-out infinite}
@keyframes npIn{from{opacity:0;transform:translateX(8px);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
@keyframes npPulse{0%,100%{opacity:.35}50%{opacity:1}}


/* ============================================================
   TERMINAL
   ============================================================ */
.term{position:fixed;inset:0;z-index:940;background:rgba(0,0,0,.72);
  display:grid;place-items:center;padding:var(--padt) var(--pad) var(--padb);
  backdrop-filter:blur(2px);animation:fadeIn .22s both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.term__win{
  width:min(560px,100%);max-height:min(70dvh,520px);
  display:flex;flex-direction:column;
  border:1px solid var(--w25);background:rgba(0,0,0,.94);
  box-shadow:0 0 0 1px rgba(0,0,0,.9),0 24px 80px rgba(0,0,0,.9);
  animation:termIn .3s var(--ease) both;
}
@keyframes termIn{from{transform:translateY(10px) scale(.985);opacity:0;filter:blur(3px)}to{transform:none;opacity:1;filter:none}}
.term__bar{
  display:flex;justify-content:space-between;align-items:center;
  padding:8px 10px;border-bottom:1px solid var(--w12);
  font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--w45);
}
.term__x{padding:2px 6px;color:var(--w45)}
.term__x:hover{color:#fff}
.term__out{
  flex:1;overflow-y:auto;padding:12px;font-size:12px;line-height:1.75;
  color:var(--w70);white-space:pre-wrap;word-break:break-word;
  -webkit-overflow-scrolling:touch;
}
.term__out .l{animation:lineIn .18s both}
.term__out .l--hi{color:#fff}
.term__out .l--dim{color:var(--w25)}
.term__out .l--cmd{color:#fff}
.term__out a{border-bottom:1px solid var(--w45)}
@keyframes lineIn{from{opacity:0;transform:translateX(-4px)}to{opacity:1;transform:none}}
.term__form{display:flex;gap:8px;align-items:center;padding:10px 12px;border-top:1px solid var(--w12)}
.term__ps{color:#fff;font-size:12px}
.term__in{flex:1;font-size:12px;caret-color:#fff}
.term__in::placeholder{color:var(--w25)}


/* ============================================================
   LIGHTBOX
   ============================================================ */
.lb{position:fixed;inset:0;z-index:945;background:rgba(0,0,0,.93);
  display:grid;place-items:center;padding:calc(var(--padt) + 20px) var(--pad) calc(var(--padb) + 40px);
  animation:fadeIn .2s both}
.lb__img{
  max-width:min(94vw,900px);max-height:78dvh;object-fit:contain;
  filter:grayscale(1) contrast(1.06) brightness(1.06);
  animation:lbIn .4s var(--ease) both;
}
@keyframes lbIn{from{opacity:0;transform:scale(.94);filter:grayscale(1) blur(8px)}to{opacity:1;transform:none}}
.lb__meta{
  position:absolute;left:var(--pad);right:var(--pad);bottom:calc(var(--padb) + 12px);
  display:flex;justify-content:space-between;gap:12px;
  font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--w45);
}
.lb__x{position:absolute;top:calc(var(--padt) + 4px);right:var(--pad);padding:8px;color:var(--w45);font-size:14px}
.lb__x:hover{color:#fff}


/* ============================================================
   SECRET SCREEN (vault)
   ============================================================ */
.vault{position:fixed;inset:0;z-index:946;background:#000;display:grid;place-items:center;
  padding:var(--padt) var(--pad) var(--padb);animation:vaultIn .5s var(--ease) both}
@keyframes vaultIn{from{opacity:0;filter:blur(16px) contrast(3)}to{opacity:1;filter:none}}
.vault__in{max-width:520px;text-align:center}
.vault__t{font-size:clamp(15px,4.4vw,22px);letter-spacing:.04em;line-height:1.5}
.vault__p{margin-top:22px;font-size:12px;line-height:1.9;color:var(--w45)}
.vault__tg{display:inline-block;margin-top:30px;font-size:14px;letter-spacing:.2em;border-bottom:1px solid var(--w45)}
.vault__x{display:block;margin:44px auto 0;font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:var(--w25)}
.vault__x:hover{color:#fff}


/* ============================================================
   WHISPER (random events) + falling feathers + ghost wing
   ============================================================ */
.whisper{position:fixed;inset:0;z-index:935;pointer-events:none}
.whisper span{
  position:absolute;font-size:clamp(11px,3vw,14px);letter-spacing:.14em;color:#fff;
  text-shadow:0 0 22px rgba(255,255,255,.35);white-space:nowrap;
  animation:whisp var(--dur,2.4s) var(--ease) both;
}
@keyframes whisp{
  0%{opacity:0;filter:blur(6px);transform:translateY(6px)}
  14%{opacity:.95;filter:blur(0);transform:none}
  70%{opacity:.85}
  100%{opacity:0;filter:blur(5px)}
}
.featherfall{position:fixed;inset:0;z-index:880;pointer-events:none;overflow:hidden}
.featherfall i{
  position:absolute;top:-10vh;display:block;width:var(--w,22px);height:auto;opacity:0;
  animation:fallDown var(--dur,16s) linear both;
  filter:blur(var(--bl,.4px)) drop-shadow(0 0 10px rgba(255,255,255,.25));
}
.featherfall svg{width:100%;height:auto;display:block}
@keyframes fallDown{
  0%{opacity:0;transform:translate3d(0,-12vh,0) rotate(0deg)}
  10%{opacity:var(--op,.5)}
  50%{transform:translate3d(var(--dx,40px),55vh,0) rotate(120deg)}
  90%{opacity:var(--op,.5)}
  100%{opacity:0;transform:translate3d(calc(var(--dx,40px) * -.6),115vh,0) rotate(300deg)}
}
.ghostwing{position:fixed;inset:0;z-index:870;pointer-events:none;opacity:0;display:grid;place-items:center}
.ghostwing.is-on{animation:ghost 3.4s var(--ease) both}
.ghostwing svg{width:min(90vw,760px);height:auto;filter:blur(3px)}
@keyframes ghost{0%{opacity:0;transform:scale(1.06)}30%{opacity:.09}60%{opacity:.05}100%{opacity:0;transform:scale(1)}}


/* ---------- a burst of static across the whole page ---------- */
body.is-static .grain{opacity:.85;mix-blend-mode:normal}
body.is-static .scan{opacity:1}
body.is-static .world{transform:translate3d(2px,-1px,0) skewX(.4deg);filter:contrast(1.4)}

/* ---------- the console button asking to be noticed, once ---------- */
.hbtn.is-pinging{animation:ping 1.4s var(--ease) 3}
@keyframes ping{
  0%,100%{color:var(--w45);border-color:var(--w12);box-shadow:0 0 0 0 rgba(255,255,255,0)}
  50%{color:#fff;border-color:#fff;box-shadow:0 0 22px 0 rgba(255,255,255,.18)}
}

/* ---------- momentary inversion (a secret / a glitch) ---------- */
body.inverted{filter:invert(1) contrast(1.15)}

/* ---------- constellation burst ---------- */
.stars{position:absolute;inset:0;pointer-events:none}
.stars i{
  position:absolute;width:var(--sz,2px);height:var(--sz,2px);background:#fff;border-radius:50%;
  box-shadow:0 0 10px 2px rgba(255,255,255,.6);opacity:0;
  animation:starPop 3.6s var(--ease) both;animation-delay:var(--dl,0s);
}
@keyframes starPop{0%{opacity:0;transform:scale(.2)}18%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(.6)}}

/* ---------- a hidden object breathing for a second ---------- */
.secret.is-breathing{animation:breathe2 2.2s var(--ease)}
@keyframes breathe2{0%,100%{color:var(--w12)}50%{color:rgba(255,255,255,.55)}}

.vault__img{
  width:min(240px,60vw);margin:0 auto 30px;
  filter:grayscale(1) contrast(1.3) brightness(1.05);
  box-shadow:0 0 0 1px rgba(255,255,255,.12);
}

/* ---------- achievement ---------- */
.achv{
  position:fixed;left:50%;bottom:calc(var(--padb) + 62px);transform:translateX(-50%);
  z-index:936;pointer-events:none;
  padding:10px 16px;border:1px solid var(--w25);background:rgba(0,0,0,.9);
  font-size:9px;letter-spacing:.2em;text-transform:uppercase;white-space:nowrap;
  animation:achv 5s var(--ease) both;
}
@keyframes achv{
  0%{opacity:0;transform:translate(-50%,10px);filter:blur(6px)}
  10%{opacity:1;transform:translate(-50%,0);filter:none}
  85%{opacity:1}100%{opacity:0;filter:blur(4px)}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.06s !important;scroll-behavior:auto !important}
  .grain{animation:none;opacity:.1}
  .grain::after{animation:none}
  .scan{display:none}
  .featherfall,.ghostwing{display:none}
}