:root{
  --bg:#06101c;--panel:#0d1c2c;--line:#294665;--text:#fff;
  --muted:#b8c7d9;--accent:#62d9ff;--accent2:#00b8d9;
  --success:#59e391;--danger:#ff8a8a;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text)}
.auth-body{
  min-height:100vh;
  background:
    radial-gradient(circle at 15% 0,rgba(0,184,217,.2),transparent 32%),
    linear-gradient(145deg,#06101c,#03070d);
}
.auth-shell{
  width:min(1120px,92%);
  min-height:100vh;
  margin:auto;
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:28px;
  align-items:center;
  padding:36px 0;
}
.auth-shell.single{grid-template-columns:1fr;max-width:620px}
.brand-panel{padding:30px}
.eyebrow{display:inline-block;color:#8deaff;font-size:.74rem;font-weight:900;letter-spacing:.16em}
.brand-panel h1,.auth-card h1,.auth-card h2{margin:12px 0 10px}
.brand-panel h1{font-size:clamp(2.4rem,6vw,5.3rem);line-height:.98}
.brand-panel p,.muted{color:var(--muted);line-height:1.6}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}
.feature-grid div{
  padding:14px;border:1px solid rgba(98,217,255,.16);
  background:rgba(255,255,255,.03);border-radius:14px
}
.feature-grid strong,.feature-grid span{display:block}
.feature-grid strong{color:#9cecff;font-size:1.15rem}
.feature-grid span{color:var(--muted);font-size:.72rem;margin-top:5px}
.auth-card{
  background:rgba(13,28,44,.96);border:1px solid rgba(98,217,255,.18);
  padding:28px;border-radius:22px;box-shadow:0 24px 70px rgba(0,0,0,.32)
}
.auth-card.wide{width:100%}
.auth-card form{display:grid;gap:14px;margin-top:20px}
.auth-card label{display:grid;gap:7px;color:#dceaf5;font-size:.82rem;font-weight:800}
.auth-card input{
  width:100%;padding:12px;border-radius:11px;border:1px solid #345875;
  background:#091725;color:#fff;outline:none
}
.auth-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(98,217,255,.11)}
.primary-button{
  display:inline-flex;align-items:center;justify-content:center;
  border:none;border-radius:11px;padding:12px 16px;
  background:linear-gradient(135deg,#8aedff,#00b8d9);color:#03131b;
  font-weight:900;text-decoration:none;cursor:pointer
}
.auth-link{margin:18px 0 0;color:var(--muted);font-size:.84rem}
.auth-link a{color:#8deaff}
.alert{padding:11px 12px;border-radius:10px;margin:12px 0;font-size:.82rem}
.alert.error{background:rgba(255,90,90,.09);border:1px solid rgba(255,138,138,.3);color:#ffc2c2}
.alert.success{background:rgba(89,227,145,.09);border:1px solid rgba(89,227,145,.3);color:#b9f8ce}
.portal-bar{
  position:sticky;top:0;z-index:100;display:flex;justify-content:space-between;
  align-items:center;gap:14px;padding:10px 16px;background:rgba(4,12,20,.94);
  border-bottom:1px solid rgba(98,217,255,.15);backdrop-filter:blur(14px)
}
.portal-brand strong,.portal-brand span{display:block}
.portal-brand span{color:var(--muted);font-size:.67rem;margin-top:2px}
.portal-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.portal-user{color:#cfe7f1;font-size:.76rem}
.portal-link,.portal-button{
  padding:8px 10px;border-radius:9px;border:1px solid #345875;
  background:#102336;color:#fff;text-decoration:none;font-size:.72rem;font-weight:800;cursor:pointer
}
.portal-button.primary{background:linear-gradient(135deg,#8aedff,#00b8d9);color:#03131b;border:none}
.save-dialog{
  position:fixed;inset:0;z-index:300;display:none;place-items:center;
  background:rgba(1,6,10,.72);padding:18px
}
.save-dialog.open{display:grid}
.save-card{
  width:min(440px,100%);background:#0d1c2c;border:1px solid rgba(98,217,255,.18);
  border-radius:18px;padding:20px
}
.save-card input{width:100%;padding:11px;border-radius:10px;border:1px solid #345875;background:#091725;color:#fff}
.save-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
@media(max-width:850px){
  .auth-shell{grid-template-columns:1fr}
  .brand-panel{padding:10px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .portal-bar{align-items:flex-start}
}