:root{
  --bg:#0f1724;
  --card:#0b1220;
  --muted:#94a3b8;
  --accent:#60a5fa;
  --accent-2:#7c3aed;
  --surface:#0b1220;
  --radius:12px;
  --max-width:980px;
  color-scheme: dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background:linear-gradient(180deg,#071020 0%, #0b1220 100%);
  color:#e6eef8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.container{
  min-height:100vh;
  display:grid;
  grid-template-columns: 1fr 480px;
  gap:32px;
  align-items:center;
  justify-content:center;
  max-width:var(--max-width);
  margin:40px auto;
  padding:24px;
}
.login-card{
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius:var(--radius);
  padding:28px;
  width:100%;
  box-shadow:0 6px 30px rgba(2,6,23,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
}
.login-card h1{margin:0 0 6px;font-size:22px}
.lead{color:var(--muted);margin:0 0 18px}
.field{margin-bottom:14px}
.field label{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}
.field input[type='text'], .field input[type='password']{
  width:100%;
  padding:12px 12px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.03);
  background:rgba(255,255,255,0.02);
  color:inherit;
  font-size:15px;
}
.password-row{display:flex;gap:8px}
.password-row input{flex:1}
.password-row button{
  background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted);padding:8px 10px;border-radius:8px;cursor:pointer
}
.actions{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.remember{color:var(--muted);font-size:14px}
.btn{padding:10px 16px;border-radius:10px;border:0;cursor:pointer}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 6px 18px rgba(99,102,241,0.12);color:white}
.extra{margin-top:16px;color:var(--muted);font-size:14px}
.extra a{color:var(--accent);text-decoration:none}
.error{display:block;height:18px;color:#ffb4b4;font-size:13px;margin-top:6px}

.hero{display:flex;align-items:center;justify-content:center;padding:28px;background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent);border-radius:var(--radius);}
.hero-inner{max-width:360px}
.hero h2{margin:0 0 8px;font-size:20px}
.hero p{margin:0;color:var(--muted)}

@media (max-width:900px){
  .container{grid-template-columns:1fr; padding:20px;margin:20px}
  .hero{order:-1;margin-bottom:12px}
}

@media (prefers-color-scheme: light){
  :root{color-scheme:light}
}