/* PsychoTrack — «Neon Audio Dossier»
   Дисциплинированный неон: один герой-акцент (cyan) + ультрафиолет.
   Magenta зарезервирован под состояние «danger / нет баланса». */
:root{
  --bg:#06070f;
  --bg-2:#090b16;
  --panel:rgba(16,19,32,.66);
  --panel-2:rgba(11,13,24,.72);
  --panel-solid:#10131f;
  --ink:#eef1fb;
  --muted:#8b93b5;
  --line:rgba(123,140,200,.16);
  --line-strong:rgba(25,227,255,.42);
  --cyan:#19e3ff;
  --violet:#7c5cff;
  --pink:#ff3d8b;
  --glow-cyan:0 0 22px rgba(25,227,255,.45);
  --glow-violet:0 0 22px rgba(124,92,255,.42);
  --glow-pink:0 0 22px rgba(255,61,139,.5);
  --radius:18px;
  --font:'Onest','Segoe UI',system-ui,-apple-system,Roboto,sans-serif;
  --display:'Unbounded','Onest',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'Cascadia Code',Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;min-height:100dvh;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;position:relative;
}

/* ---- ambient background ---- */
#fx{position:fixed;inset:0;z-index:0;display:block;width:100%;height:100%;
  background:
    radial-gradient(1100px 620px at 78% -12%, rgba(124,92,255,.20), transparent 60%),
    radial-gradient(900px 540px at -8% 8%, rgba(25,227,255,.14), transparent 58%),
    radial-gradient(800px 600px at 50% 118%, rgba(255,61,139,.10), transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg-2));}
.scanlines::after{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.014) 0 1px,transparent 1px 4px);
  mix-blend-mode:overlay;opacity:.6}
.shell{position:relative;z-index:2}

/* ---- entrance reveal (staggered via --d) ---- */
.reveal{opacity:0;transform:translateY(16px);
  animation:rise .72s var(--ease) forwards;
  animation-delay:calc(var(--d,0) * 90ms + 60ms)}
@keyframes rise{to{opacity:1;transform:none}}

/* ---- brand ---- */
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;font-size:15px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--pink);
  box-shadow:var(--glow-pink);animation:pulse 1.7s var(--ease) infinite}
.brand b{font-weight:800;background:linear-gradient(92deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ---- equalizer motif ---- */
.eq{display:flex;align-items:flex-end;gap:4px;height:26px}
.eq i{display:block;width:4px;height:100%;border-radius:3px;transform-origin:bottom;
  background:linear-gradient(180deg,var(--cyan),var(--violet));
  box-shadow:0 0 10px rgba(25,227,255,.45);animation:eq 1.05s var(--ease) infinite}
.eq i:nth-child(1){animation-delay:-.9s}
.eq i:nth-child(2){animation-delay:-.2s}
.eq i:nth-child(3){animation-delay:-.6s}
.eq i:nth-child(4){animation-delay:-.05s}
.eq i:nth-child(5){animation-delay:-.45s}
.eq i:nth-child(6){animation-delay:-.75s}
.eq i:nth-child(7){animation-delay:-.3s}
@keyframes eq{0%,100%{transform:scaleY(.22)}50%{transform:scaleY(1)}}

/* ---- nav (landing) ---- */
.nav{display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(16px,4vw,48px);position:relative;z-index:2}
.nav a.ghost{color:var(--muted);text-decoration:none;font:600 12px/1 var(--mono);
  letter-spacing:.14em;text-transform:uppercase;transition:color .2s}
.nav a.ghost:hover{color:var(--cyan)}

/* ---- hero (landing) ---- */
.hero{max-width:980px;margin:0 auto;padding:clamp(40px,9vh,110px) clamp(16px,4vw,24px) 40px;
  text-align:center;position:relative;z-index:2}
.kicker{font:600 12px/1.4 var(--mono);letter-spacing:.32em;text-transform:uppercase;
  color:var(--cyan)}
.hero h1{font-family:var(--display);font-size:clamp(40px,9vw,92px);line-height:.94;
  margin:16px 0 12px;font-weight:900;letter-spacing:-.02em;
  background:linear-gradient(94deg,#fff 0%,var(--cyan) 48%,var(--violet) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 70px rgba(25,227,255,.22)}
.hero p.lead{font-size:clamp(16px,2.4vw,20px);color:var(--muted);max-width:620px;
  margin:8px auto 28px}
.hero p.lead b{color:var(--ink);font-weight:600}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---- buttons ---- */
.btn-neon{appearance:none;border:1px solid var(--cyan);background:rgba(25,227,255,.08);
  color:var(--cyan);font-family:var(--font);font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;padding:15px 26px;border-radius:999px;cursor:pointer;
  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:14px;position:relative;overflow:hidden;
  box-shadow:var(--glow-cyan),inset 0 0 14px rgba(25,227,255,.12);
  transition:transform .16s var(--ease),box-shadow .22s,background .22s,opacity .2s}
.btn-neon::after{content:"";position:absolute;inset:0;transform:translateX(-120%);
  background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.28) 50%,transparent 65%);
  transition:transform .6s var(--ease)}
.btn-neon:not(:disabled):hover{transform:translateY(-2px);background:rgba(25,227,255,.16);
  box-shadow:0 0 30px rgba(25,227,255,.7),inset 0 0 18px rgba(25,227,255,.2)}
.btn-neon:not(:disabled):hover::after{transform:translateX(120%)}
.btn-neon:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;
  border-color:var(--line);color:var(--muted);background:rgba(123,140,200,.06)}
.btn-neon.pink{border-color:var(--pink);color:var(--pink);
  background:rgba(255,61,139,.08);box-shadow:var(--glow-pink),inset 0 0 14px rgba(255,61,139,.12)}
.btn-neon.pink:not(:disabled):hover{background:rgba(255,61,139,.16);
  box-shadow:0 0 30px rgba(255,61,139,.8),inset 0 0 18px rgba(255,61,139,.2)}
.btn-neon.solid{background:linear-gradient(94deg,var(--cyan),var(--violet));
  color:#06121a;border:none;box-shadow:var(--glow-cyan)}
.btn-neon.sm{padding:10px 18px;font-size:12px}
.btn-neon.block{display:flex;width:100%}

/* ---- feature cards (landing) ---- */
.grid{max-width:980px;margin:30px auto;padding:0 16px;position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--panel);backdrop-filter:blur(12px);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.7}
.card h3{margin:8px 0;font-size:17px;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.card .ico{font-size:24px;filter:drop-shadow(0 0 12px rgba(25,227,255,.5))}

/* ---- shared app shell (mini apps) ---- */
.app-wrap{max-width:480px;margin:0 auto;padding:26px 18px 44px;position:relative;z-index:2}
.app-wrap.stack{display:flex;flex-direction:column;gap:22px}
.app-top{display:flex;align-items:center;justify-content:space-between}

.intro .kicker{font:600 11px/1 var(--mono);letter-spacing:.3em;text-transform:uppercase;color:var(--cyan)}
.display{font-family:var(--display);font-weight:900;letter-spacing:-.02em;
  font-size:clamp(38px,13vw,58px);line-height:.92;margin:12px 0 12px}
.display .accent{background:linear-gradient(96deg,var(--cyan),var(--violet) 68%,var(--pink));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--muted);font-size:15px;margin:0;line-height:1.55}
.sub b{color:var(--ink);font-weight:700}
.mono{font-family:var(--mono);font-size:.92em;color:var(--cyan)}

/* ---- panel ---- */
.panel{background:var(--panel);backdrop-filter:blur(14px);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;position:relative;overflow:hidden;
  box-shadow:0 24px 60px -30px rgba(0,0,0,.8)}
.panel.upload{display:flex;flex-direction:column;gap:16px}
.panel.upload::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 80% at 50% -10%,rgba(25,227,255,.10),transparent 60%)}

/* ---- drop zone ---- */
.drop{position:relative;display:flex;flex-direction:column;align-items:center;gap:9px;
  padding:40px 20px;border-radius:14px;cursor:pointer;text-align:center;color:var(--ink);
  border:1.5px dashed var(--line-strong);background:rgba(25,227,255,.035);
  transition:border-color .25s,background .25s,box-shadow .25s,transform .25s var(--ease)}
.drop:hover,.drop.drag{border-color:var(--cyan);background:rgba(25,227,255,.09);
  box-shadow:var(--glow-cyan),inset 0 0 24px rgba(25,227,255,.08);transform:translateY(-1px)}
.drop .drop-ico{font-size:40px;line-height:1;filter:drop-shadow(0 0 14px rgba(25,227,255,.5))}
.drop .drop-title{font-size:15px}
.drop .drop-title b{font-weight:700;color:#fff}
.drop .drop-hint{color:var(--muted);font:500 12px/1 var(--mono);letter-spacing:.08em}
.drop .fname{color:var(--cyan);font-family:var(--mono);font-size:13px;word-break:break-all}
.drop .fname:empty{display:none}

/* ---- meta line + status ---- */
.meta{display:flex;flex-direction:column;gap:4px;min-height:22px}
.counter{font-family:var(--mono);color:var(--violet);font-size:13px}
.counter:empty{display:none}
.statline{font:500 14px/1.4 var(--mono);min-height:20px}
.statline.ok{color:var(--cyan)}
.statline.err{color:var(--pink)}
.cab:empty{display:none}
.cab{margin-top:2px}

/* ---- steps strip ---- */
.steps{display:flex;justify-content:center;align-items:center;gap:8px;list-style:none;
  padding:0;margin:0}
.steps li{display:flex;align-items:center;gap:8px;
  font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.steps li span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--cyan);font-size:11px}
.steps li::after{content:"→";margin-left:2px;color:var(--line-strong)}
.steps li:last-child::after{display:none}

/* ---- cabinet ---- */
.app-wrap h1{font-family:var(--display);font-size:30px;margin:6px 0 4px;font-weight:900;
  letter-spacing:-.01em;
  background:linear-gradient(92deg,#fff,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.bal-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.bal-box{background:rgba(25,227,255,.05);border:1px solid var(--line);border-radius:13px;
  padding:15px 10px;text-align:center}
.bal-n{font:900 21px/1.1 var(--display);color:var(--cyan)}
.bal-l{color:var(--muted);font-size:11px;margin-top:6px;letter-spacing:.02em}
.topup-info{margin-top:14px;background:rgba(255,61,139,.07);border:1px solid rgba(255,61,139,.25);
  border-radius:13px;padding:13px 15px;font-size:14px}
.topup-info p{margin:6px 0}
.tracklist{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.tracklist li{background:var(--panel-2);border:1px solid var(--line);border-radius:11px;
  padding:11px 14px;font-size:13px;color:var(--ink);display:flex;
  align-items:center;justify-content:space-between;gap:10px}
.tracklist li .when{color:var(--muted);font-family:var(--mono);font-size:11px}
.tracklist:empty::after{content:"Пока пусто";color:var(--muted);font-size:13px}

/* ---- footer ---- */
.footer{position:relative;z-index:2;text-align:center;color:var(--muted);
  font:500 12px/1.5 var(--mono);letter-spacing:.06em;padding:26px 16px}
.footer .disc{max-width:620px;margin:0 auto;opacity:.85}

@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.55);opacity:.45}}

@media(max-width:760px){.grid{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}