:root{
  color-scheme:dark;
  --bg:#070a0d;
  --panel:rgba(16,22,27,.88);
  --line:#27323a;
  --text:#f5f7f8;
  --muted:#8e9aa4;
  --lime:#b7ff25;
  --telegram:#27a7e7;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 18% 15%,rgba(183,255,37,.08),transparent 30%),
    radial-gradient(circle at 90% 80%,rgba(39,167,231,.08),transparent 32%),
    var(--bg);
  color:var(--text);
  font:14px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(to bottom,black,transparent 80%);
}
.ambient{position:fixed;border-radius:50%;filter:blur(100px);pointer-events:none}
.ambient-one{width:260px;height:260px;left:-120px;top:20%;background:rgba(183,255,37,.1)}
.ambient-two{width:300px;height:300px;right:-140px;bottom:5%;background:rgba(39,167,231,.1)}
.login-shell{
  position:relative;
  min-height:100vh;
  max-width:1240px;
  margin:0 auto;
  padding:48px 44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(390px,470px);
  align-items:stretch;
  gap:80px;
}
.intro{display:flex;flex-direction:column;min-height:620px}
.brand{display:flex;align-items:center;gap:12px;width:max-content;color:var(--text);text-decoration:none;font-size:17px;font-weight:800;letter-spacing:-.2px}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--lime);color:#071000;font-size:22px;box-shadow:0 0 30px rgba(183,255,37,.14)}
.intro-copy{margin:auto 0;max-width:650px}
.kicker{display:block;color:var(--lime);font:700 11px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:2.2px}
h1{font-size:clamp(52px,7vw,88px);line-height:.98;letter-spacing:-4.8px;margin:20px 0 26px}
h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1px #63717b}
.intro-copy p{max-width:560px;margin:0;color:#a6b0b8;font-size:18px;line-height:1.65}
.signals{display:flex;gap:10px;flex-wrap:wrap}
.signals span{display:flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid #202a31;border-radius:999px;color:#8f9ba5;font-size:12px;background:rgba(15,20,24,.6)}
.signals i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(183,255,37,.7)}
.auth-wrap{display:flex;flex-direction:column;align-items:stretch;justify-content:center}
.auth-card{
  position:relative;
  overflow:hidden;
  padding:36px;
  border:1px solid var(--line);
  border-radius:20px;
  background:linear-gradient(155deg,rgba(21,28,34,.96),rgba(11,16,20,.94));
  box-shadow:0 28px 80px rgba(0,0,0,.42),inset 0 1px rgba(255,255,255,.035);
}
.auth-card:before{content:"";position:absolute;width:200px;height:200px;right:-120px;top:-120px;border-radius:50%;background:rgba(183,255,37,.1);filter:blur(35px)}
.auth-icon{display:grid;place-items:center;width:52px;height:52px;margin-bottom:28px;border:1px solid #2f424d;border-radius:15px;background:#17232a;color:#49bdf4}
.auth-icon svg,.telegram-button svg{width:24px;height:24px;fill:currentColor}
.auth-card h2{margin:10px 0 9px;font-size:28px;letter-spacing:-.9px}
.auth-lead{margin:0 0 28px;color:var(--muted);line-height:1.65}
.telegram-button{
  display:flex;
  align-items:center;
  gap:11px;
  width:100%;
  padding:13px 15px;
  border-radius:11px;
  background:var(--telegram);
  color:white;
  text-decoration:none;
  font-weight:800;
  box-shadow:0 10px 28px rgba(39,167,231,.18);
  transition:transform .16s ease,filter .16s ease;
}
.telegram-button:hover{transform:translateY(-1px);filter:brightness(1.08)}
.telegram-button span{margin-left:auto;font-size:17px}
.login-steps{list-style:none;margin:25px 0 22px;padding:0;display:flex;flex-direction:column;gap:13px}
.login-steps li{display:flex;align-items:center;gap:12px;color:#aab4bb}
.login-steps b{display:grid;place-items:center;flex:0 0 25px;height:25px;border:1px solid #34414a;border-radius:8px;color:#d8dfe3;font:700 11px ui-monospace,monospace;background:#12191e}
.notice{display:flex;align-items:center;gap:9px;padding-top:18px;border-top:1px solid #263038;color:#7f8b94;font-size:12px}
.notice svg{width:18px;height:18px;fill:#779044}
.error-box{padding:14px;border:1px solid #65343b;border-radius:10px;background:#28161a;color:#ffabb3}
.footer-note{text-align:center;margin:18px 0 0;color:#53606a;font:10px ui-monospace,monospace;letter-spacing:1px;text-transform:uppercase}
@media(max-width:900px){
  .login-shell{grid-template-columns:1fr;max-width:560px;padding:24px 22px;gap:20px}
  .intro{min-height:auto}
  .intro-copy,.signals{display:none}
  .auth-wrap{padding-bottom:20px}
}
@media(max-width:520px){
  .login-shell{padding:22px 15px}
  .auth-card{padding:25px 21px;border-radius:16px}
  .auth-card h2{font-size:24px}
}