:root{
  --bg-primary:#050810;--bg-secondary:#0c1120;--bg-glass:rgba(255,255,255,.04);--bg-glass-hover:rgba(255,255,255,.07);
  --brand-primary:#00e5a0;--brand-secondary:#0066ff;--brand-glow:rgba(0,229,160,.15);
  --text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#475569;--text-inverse:#050810;
  --border-subtle:rgba(255,255,255,.06);--border-default:rgba(255,255,255,.1);--border-brand:rgba(0,229,160,.35);
  --danger:#f43f5e;--warning:#f59e0b;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--transition:all .2s cubic-bezier(.4,0,.2,1)
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%}
body{
  font-family:'Plus Jakarta Sans',sans-serif;font-size:14px;line-height:1.6;color:var(--text-primary);-webkit-font-smoothing:antialiased;
  background:radial-gradient(circle at top left,rgba(0,229,160,.12),transparent 24%),radial-gradient(circle at 80% 0,rgba(0,102,255,.12),transparent 28%),linear-gradient(180deg,#04070f 0%,#050810 52%,#070d18 100%)
}
a{color:inherit;text-decoration:none}button,input{font:inherit}
.auth-bg{min-height:100vh;padding:24px;display:grid;place-items:center}
.auth-shell{
  width:min(1180px,100%);min-height:700px;display:grid;grid-template-columns:minmax(340px,.9fr) minmax(420px,1.1fr);border:1px solid var(--border-subtle);border-radius:28px;overflow:hidden;
  background:rgba(12,17,32,.72);box-shadow:0 30px 80px rgba(0,0,0,.45);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)
}
.auth-brand{
  position:relative;padding:42px;display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(circle at 20% 20%,rgba(0,229,160,.12),transparent 28%),radial-gradient(circle at 75% 10%,rgba(0,102,255,.16),transparent 26%),linear-gradient(180deg,#08111f 0%,#050810 100%)
}
.auth-brand::after{
  content:'';position:absolute;inset:0;background:
    linear-gradient(90deg,transparent,rgba(255,255,255,.04),transparent),
    linear-gradient(0deg,transparent,rgba(255,255,255,.02),transparent);
  background-size:220px 100%,100% 140px;pointer-events:none
}
.auth-brand>*{position:relative;z-index:1}
.auth-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--bg-glass);border:1px solid var(--border-default);font-size:11px;color:var(--text-secondary)}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.auth-logo-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:var(--text-inverse);box-shadow:0 0 30px rgba(0,229,160,.18)}
.auth-logo-mark i{width:18px;height:18px}
.auth-logo-copy strong{display:block;font-size:16px}.auth-logo-copy span{font-size:12px;color:var(--text-secondary)}
.auth-hero h1{font-size:44px;line-height:1.05;letter-spacing:-1.4px;margin-bottom:14px}.auth-hero p{max-width:420px;color:var(--text-secondary)}
.auth-feature-list{list-style:none;padding:0;display:grid;gap:14px;margin-top:28px}
.auth-feature-list li{display:flex;align-items:flex-start;gap:12px;color:var(--text-secondary)}
.auth-feature-list i{width:16px;height:16px;color:var(--brand-primary);margin-top:4px}
.auth-quote{padding:18px;border-radius:20px;border:1px solid var(--border-subtle);background:rgba(255,255,255,.03);display:grid;gap:12px}
.auth-quote p{color:var(--text-primary)}.auth-quote footer{font-size:12px;color:var(--text-secondary)}

.auth-panel{background:rgba(12,17,32,.94);padding:42px 48px;display:flex;align-items:center;justify-content:center}
.auth-panel-inner{width:min(420px,100%);display:grid;gap:22px}
.auth-panel h2{font-size:32px;letter-spacing:-.8px}.auth-panel p,.auth-footer,.social-proof{color:var(--text-secondary)}
.auth-form{display:grid;gap:18px}
.auth-field{display:grid;gap:8px}.auth-field label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}
.auth-field input{
  width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--border-default);background:#101727;color:var(--text-primary);transition:var(--transition)
}
.auth-field input:focus{outline:none;border-color:var(--brand-primary);box-shadow:0 0 0 3px var(--brand-glow)}
.auth-submit{
  width:100%;padding:14px 18px;border-radius:12px;border:none;background:var(--brand-primary);color:var(--text-inverse);font-weight:700;cursor:pointer;transition:var(--transition)
}
.auth-submit:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(0,229,160,.24)}
.auth-alert{padding:14px 16px;border-radius:14px;border:1px solid;font-size:13px}
.auth-alert.error{border-color:rgba(244,63,94,.28);background:rgba(244,63,94,.09);color:var(--danger)}
.auth-alert.success{border-color:rgba(0,229,160,.25);background:rgba(0,229,160,.09);color:var(--brand-primary)}
.auth-footer a{color:var(--brand-primary);font-weight:600}
.social-proof{padding-top:6px;border-top:1px solid var(--border-subtle);font-size:12px}

.error-shell{width:min(560px,100%);padding:34px;border-radius:28px;border:1px solid var(--border-subtle);background:rgba(12,17,32,.84);box-shadow:0 30px 80px rgba(0,0,0,.42);text-align:center;display:grid;gap:18px}
.error-code{font-size:56px;line-height:1;font-weight:800;letter-spacing:-2px}
.error-chip{display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;border-radius:999px;background:var(--bg-glass);border:1px solid var(--border-default);font-size:11px;color:var(--text-secondary)}
.error-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.error-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:12px;border:1px solid var(--border-default);background:var(--bg-glass);color:var(--text-primary);font-weight:600}
.error-btn.primary{background:var(--brand-primary);border-color:transparent;color:var(--text-inverse)}

@media (max-width:900px){
  .auth-shell{grid-template-columns:1fr}
  .auth-brand{min-height:320px;padding:28px}
  .auth-panel{padding:30px 24px}
  .auth-hero h1{font-size:34px}
}
@media (max-width:640px){
  .auth-bg{padding:12px}
  .auth-panel-inner,.auth-brand{gap:18px}
  .auth-hero h1{font-size:30px}
}