:root{
  --bg:#050607; --surface:#0D0F10; --surface2:#121516; --border:#25292A;
  --text:#F5F7F7; --muted:#8E9698; --dim:#5b6264; --lime:#C8FF1A;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{min-height:100vh;background:var(--bg);color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1500px;margin:0 auto;padding:0 40px}

/* subtle auth header */
header{position:sticky;top:0;z-index:40;backdrop-filter:blur(8px);background:rgba(5,6,7,0.4)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:20px}
.brand .logo-img{height:42px;width:auto;display:block}
.back-site{color:var(--muted);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:color .15s}
.back-site:hover{color:var(--text)}
@media(max-width:680px){.brand .logo-img{height:34px}.container{padding:0 20px}.back-site span{display:none}}

/* split layout — capped + centered so it never stretches apart on ultra-wide screens */
.split{display:grid;grid-template-columns:1.02fr 0.98fr;min-height:calc(100vh - 66px);max-width:1500px;margin:0 auto}

/* left pane — artwork smaller + lower; features sit on solid dark */
.lpane{position:relative;background:#050607 url('/login-bg.png') no-repeat left bottom;background-size:88% auto;display:flex;overflow:hidden;border-right:1px solid rgba(255,255,255,0.025)}
.lpane::before{content:"";position:absolute;inset:0;z-index:0;background:
  linear-gradient(90deg, rgba(5,6,7,0) 54%, rgba(5,6,7,0.45) 80%, rgba(5,6,7,0.9) 100%),
  linear-gradient(180deg, rgba(5,6,7,0.6) 0%, rgba(5,6,7,0.48) 30%, rgba(5,6,7,0.16) 58%, rgba(5,6,7,0.5) 100%)}
.lpane-inner{position:relative;z-index:1;width:100%;max-width:600px;margin-left:auto;padding:60px 54px 46px;display:flex;flex-direction:column}
.eyebrow{font-size:11.5px;font-weight:800;letter-spacing:.26em;color:var(--muted);text-transform:uppercase}
.eyebrow .dot{color:var(--lime);margin:0 6px}
.lpane-inner h1{font-size:clamp(38px,4.2vw,52px);font-weight:800;line-height:1.05;letter-spacing:-.025em;margin-top:18px;text-wrap:balance}
.lpane-inner h1 .lime{color:var(--lime)}
.lead{color:#c3cacb;font-size:16px;line-height:1.6;margin-top:18px;max-width:460px}
.benefits{display:flex;flex-direction:column;gap:14px;margin-top:30px;max-width:460px}
.benefit{display:flex;gap:13px;align-items:center}
.benefit .bi{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:rgba(18,21,22,0.85);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--lime);backdrop-filter:blur(4px)}
.benefit .bi svg{width:17px;height:17px}
.benefit .bt{font-size:14.5px;font-weight:700}
.benefit .bs{font-size:12.5px;color:var(--muted);margin-top:1px}
/* testimonial — small, subtle detail */
.quote{margin-top:auto;background:rgba(13,15,16,0.7);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:13px;padding:13px 15px;max-width:320px}
.quote p{font-size:12px;line-height:1.5;color:#aeb6b7}
.quote .qfoot{display:flex;align-items:center;justify-content:space-between;margin-top:11px;gap:12px}
.quote .by{color:var(--muted);font-size:11px;font-weight:700}
.avatars{display:flex}
.avatars .av{width:24px;height:24px;border-radius:50%;border:2px solid #0D0F10;margin-left:-8px;object-fit:cover;display:block}
.avatars .av:first-child{margin-left:0}

/* right pane — auth */
.rpane{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:52px 44px 34px;
  background:radial-gradient(620px 520px at 58% 42%, rgba(255,255,255,0.022), transparent 72%)}
.rpane-inner{width:100%;max-width:520px}
.card{background:rgba(13,15,16,0.72);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:24px;padding:42px 46px 36px;box-shadow:0 34px 100px rgba(0,0,0,.5)}
.card-logo{height:52px;width:auto;margin:0 auto 26px;display:block}
.card h2{font-size:clamp(30px,3.2vw,36px);font-weight:800;text-align:center;letter-spacing:-.02em}
.card .sub{color:var(--muted);font-size:15px;text-align:center;margin-top:9px}
.social{display:flex;flex-direction:column;gap:11px;margin-top:26px}
.sbtn{height:52px;border-radius:11px;background:var(--surface2);border:1px solid var(--border);color:var(--text);font-weight:600;font-size:15px;display:flex;align-items:center;justify-content:center;gap:11px;transition:border-color .15s,background .15s}
.sbtn:hover{border-color:#3c4244;background:#171a1b}
.sbtn svg{flex:0 0 auto}
.divider{display:flex;align-items:center;gap:16px;margin:20px 0;color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.05em}
.divider::before,.divider::after{content:"";height:1px;flex:1;background:var(--border)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:500;color:var(--muted);margin-bottom:8px}
.inp{position:relative;display:flex;align-items:center}
.inp .li{position:absolute;left:15px;color:var(--dim);pointer-events:none;display:flex}
.inp input{width:100%;height:52px;background:#080B0C;border:1px solid var(--border);border-radius:10px;
  color:var(--text);font-size:15px;font-family:inherit;padding:0 15px 0 44px;transition:border-color .15s,box-shadow .15s;outline:none}
.inp input::placeholder{color:var(--dim)}
.inp input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,255,26,.1)}
.inp:focus-within .li{color:var(--muted)}
.inp .eye{position:absolute;right:8px;width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.inp .eye:hover{color:var(--text)}
.inp.haseye input{padding-right:48px}
.row-forgot{display:flex;justify-content:flex-end;margin:10px 0 20px}
.forgot{color:var(--lime);font-size:14px;font-weight:600}
.forgot:hover{filter:brightness(1.12);text-decoration:underline}
.submit{width:100%;height:54px;border-radius:12px;background:var(--lime);color:#0a0a0a;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;gap:9px;transition:filter .12s,transform .1s,box-shadow .15s}
.submit:hover{filter:brightness(1.06);box-shadow:0 10px 28px rgba(200,255,26,.22);transform:translateY(-1px)}
.submit:active{filter:brightness(.92);transform:translateY(1px)}
.submit:disabled{opacity:.75;cursor:default;filter:none;box-shadow:none;transform:none}
.spin{width:16px;height:16px;border:2px solid rgba(0,0,0,.35);border-top-color:#0a0a0a;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.form-err{display:none;margin-bottom:16px;background:rgba(255,90,110,0.08);border:1px solid rgba(255,90,110,0.32);color:#ff8fa0;border-radius:11px;padding:11px 14px;font-size:13.5px}
.form-ok{display:none;margin-bottom:16px;background:rgba(200,255,26,0.07);border:1px solid rgba(200,255,26,0.3);color:#d7f37a;border-radius:11px;padding:11px 14px;font-size:13.5px}
.create{text-align:center;color:var(--muted);font-size:15px;margin-top:22px}
.create a{color:var(--lime);font-weight:700}
.create a:hover{filter:brightness(1.12)}

/* security cards — same total width as the login card, boxed + readable */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px;max-width:520px;width:100%}
.tind{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 15px;display:flex;flex-direction:column}
.tind .ti{width:36px;height:36px;border-radius:9px;background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--lime);margin-bottom:12px}
.tind .tt{font-size:12.5px;font-weight:700;line-height:1.3}
.tind .ts{font-size:11.5px;color:var(--muted);margin-top:3px}

/* footer */
footer{border-top:1px solid rgba(255,255,255,.05)}
.foot{display:flex;justify-content:space-between;align-items:center;height:64px;color:var(--dim);font-size:13px;gap:14px;flex-wrap:wrap}
.foot .flinks{display:flex;gap:22px}
.foot .flinks a:hover{color:var(--lime)}

/* entrance animations */
@keyframes cardIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.lpane{animation:fadeIn .6s ease both}
.card{animation:cardIn .5s ease both}
.trust{animation:cardIn .5s ease .12s both}
.lpane-inner h1{animation:fadeUp .5s ease .05s both}
.lead{animation:fadeUp .5s ease .12s both}
.benefit{animation:fadeUp .5s ease both}
.benefit:nth-child(1){animation-delay:.18s}
.benefit:nth-child(2){animation-delay:.26s}
.benefit:nth-child(3){animation-delay:.34s}
.benefit:nth-child(4){animation-delay:.42s}
.quote{animation:fadeIn .6s ease .5s both}
@media(prefers-reduced-motion:reduce){.lpane,.card,.trust,.lpane-inner h1,.lead,.benefit,.quote{animation:none}}

/* mobile: hide the busy left artwork, center the login */
@media(max-width:960px){
  .split{grid-template-columns:1fr;min-height:calc(100vh - 66px)}
  .lpane{display:none}
  .rpane{padding:40px 22px 24px}
}
@media(max-width:560px){
  .card{padding:32px 22px 28px}
  .trust{grid-template-columns:1fr;gap:8px}
  .tind{flex-direction:row;align-items:center;gap:12px}
  .tind .ti{margin-bottom:0}
  .foot{flex-direction:column;align-items:flex-start;height:auto;padding:16px 0}
}

.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:400px){.field-row{grid-template-columns:1fr}}