/* ============================================================================
   ArtX — общая дизайн-система сайта.
   Стиль: Modern Dark (cinematic) + electric-blue neon (под логотип) + стекло + тени.
   Шрифты: Orbitron (дисплей), Inter (текст). Подключаются в <head> каждой страницы.
   ============================================================================ */
:root{
  --bg:#06070e; --bg2:#0a0c18;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.09);
  --border-hi:rgba(120,170,255,.28);
  --txt:#e9eefb; --muted:#9aa4c4; --dim:#5c6789;

  /* Electric-blue brand (из логотипа: насыщенный синий с бело-циановым неон-кантом) */
  --brand:#2f6bff; --brand-2:#4d8cff; --brand-edge:#8fc0ff;
  --glow:rgba(47,107,255,.55);
  --danger:#ff3b57; --ok:#37e39b; --warn:#ffcf5c;

  --shadow:0 24px 70px rgba(0,0,0,.6);
  --shadow-sm:0 10px 30px rgba(0,0,0,.45);
  --radius:20px; --radius-sm:13px;
  --disp:'Orbitron',sans-serif;
  --font:'Inter',-apple-system,'Segoe UI',Roboto,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--txt);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
/* Cinematic ambient field — animated blue light blobs (respect reduced-motion) */
.bgfield{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(80vw 60vh at 50% -20%, rgba(47,107,255,.16), transparent 60%),
  linear-gradient(180deg,var(--bg2),var(--bg))}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;mix-blend-mode:screen}
.blob.a{width:44vw;height:44vw;left:-10vw;top:-8vw;background:radial-gradient(circle,#2f6bff,transparent 65%);animation:float1 18s ease-in-out infinite}
.blob.b{width:38vw;height:38vw;right:-8vw;top:10vh;background:radial-gradient(circle,#1b3fd6,transparent 65%);animation:float2 22s ease-in-out infinite}
.blob.c{width:34vw;height:34vw;left:30vw;bottom:-14vw;background:radial-gradient(circle,#3d7bff,transparent 68%);animation:float1 26s ease-in-out infinite}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(6vw,4vh) scale(1.12)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-5vw,6vh) scale(1.08)}}

a{color:var(--brand-2);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font:600 12px/1 var(--font);letter-spacing:.28em;text-transform:uppercase;color:var(--brand-2)}
.disp{font-family:var(--disp);font-weight:900;letter-spacing:-.01em;line-height:1.02}
.muted{color:var(--muted)}
.center{text-align:center}

/* Glass surfaces */
.glass{background:var(--glass);backdrop-filter:blur(22px) saturate(140%);
  -webkit-backdrop-filter:blur(22px) saturate(140%);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 22px;border-radius:13px;font:600 14.5px/1 var(--font);
  border:1px solid transparent;transition:transform .12s cubic-bezier(.16,1,.3,1),box-shadow .25s,background .2s,border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)} .btn:active{transform:translateY(0) scale(.98)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 34px var(--glow), inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{box-shadow:0 16px 48px var(--glow)}
.btn-ghost{background:var(--glass);border:1px solid var(--border);color:var(--txt)}
.btn-ghost:hover{border-color:var(--border-hi);background:var(--glass-2)}
.btn-outline{background:transparent;border:1px solid var(--border-hi);color:var(--brand-edge)}
.btn-outline:hover{background:rgba(47,107,255,.1)}
.btn-danger{background:rgba(255,59,87,.14);border:1px solid rgba(255,59,87,.4);color:#ff8fa0}
.btn-danger:hover{background:rgba(255,59,87,.22)}
.btn-lg{height:56px;padding:0 30px;font-size:16px;border-radius:15px}
.btn-sm{height:38px;padding:0 15px;font-size:13px;border-radius:11px}
.btn-block{width:100%}

/* Forms */
.field{margin-bottom:15px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.inp{width:100%;height:48px;padding:0 15px;color:var(--txt);background:rgba(0,0,0,.3);
  border:1px solid var(--border);border-radius:13px;font-size:14.5px;outline:none;
  transition:border .15s,box-shadow .15s}
.inp:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,107,255,.18)}
select.inp{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px;background-repeat:no-repeat}

/* Badges (tiers/status) */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:20px;
  font:600 11.5px/1 var(--font);border:1px solid transparent;text-transform:capitalize}
.badge.free{background:rgba(255,255,255,.06);color:var(--muted);border-color:var(--border)}
.badge.premium{background:rgba(47,107,255,.14);color:var(--brand-edge);border-color:rgba(47,107,255,.4);box-shadow:0 0 18px rgba(47,107,255,.2)}
.badge.vip{background:rgba(255,207,92,.12);color:var(--warn);border-color:rgba(255,207,92,.3)}
.badge.admin{background:rgba(77,140,255,.16);color:#9dc0ff;border-color:rgba(77,140,255,.35)}
.dot{width:8px;height:8px;border-radius:50%}
.dot.on{background:var(--ok);box-shadow:0 0 10px var(--ok)}
.dot.off{background:var(--danger);box-shadow:0 0 10px rgba(255,59,87,.6)}

/* Brand lockup */
.brand{display:inline-flex;align-items:center;gap:11px}
.brand img{width:34px;height:34px;filter:drop-shadow(0 0 12px var(--glow))}
.brand b{font-family:var(--disp);font-weight:800;font-size:18px;letter-spacing:.06em}

/* Scroll-reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* Toast */
#toast{position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;gap:10px;z-index:80}
.toast{padding:13px 18px;border-radius:13px;font-size:13.5px;font-weight:500;background:var(--glass-2);
  border:1px solid var(--border-hi);backdrop-filter:blur(20px);box-shadow:var(--shadow);max-width:340px;
  animation:slidein .25s ease}
.toast.bad{border-color:rgba(255,59,87,.4)}
@keyframes slidein{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

@media(prefers-reduced-motion:reduce){
  .blob{animation:none} .reveal{transition:none;opacity:1;transform:none} html{scroll-behavior:auto}
}
