:root{
  --bg:#f4f1fb;
  --surface:#ffffff;
  --surface-soft:#faf8ff;
  --surface-tint:#f7f4ff;
  --text:#17151f;
  --muted:#6f6a7f;
  --muted-strong:#5d586b;
  --line:#e6e0f2;
  --primary:#241d31;
  --primary-soft:#eee8fb;
  --accent:#7d68d8;
  --danger-bg:#fff1f3;
  --danger-text:#9c2f4d;
  --shadow:0 20px 44px rgba(36,29,49,.09);
  --shadow-strong:0 18px 34px rgba(36,29,49,.16);
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
body{letter-spacing:-.01em}
a{text-decoration:none;color:inherit}
.bb-auth-shell{min-height:100vh;padding:22px}
.bb-auth-wrap{max-width:1240px;margin:0 auto}
.bb-nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:14px 18px;border-radius:999px;background:rgba(255,255,255,.84);
  backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.88);box-shadow:var(--shadow);
  margin-bottom:22px
}
.bb-brand{font-family:Georgia,"Times New Roman",serif;font-weight:700;font-size:2rem;letter-spacing:-.03em}
.bb-nav-left,.bb-nav-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.bb-nav-link,.bb-btn,.bb-btn-secondary,.bb-btn-ghost{
  border-radius:999px;padding:12px 18px;font-weight:800;transition:.2s ease
}
.bb-btn{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(36,29,49,.2);border:none}
.bb-btn-secondary{background:#fff;border:1px solid var(--line)}
.bb-btn-ghost{background:transparent}
.bb-nav-link:hover,.bb-btn-secondary:hover,.bb-btn-ghost:hover{background:var(--primary-soft)}
.bb-btn:hover{transform:translateY(-1px)}

.bb-auth-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:22px}
.bb-card{
  background:var(--surface);border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.78);box-shadow:var(--shadow)
}
.bb-auth-left{padding:44px;position:relative;overflow:hidden}
.bb-auth-left:before{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle, rgba(125,104,216,.18), transparent 65%)
}
.bb-eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;
  background:var(--primary-soft);font-weight:800;color:var(--primary);font-size:.96rem
}
.bb-title{
  font-size:clamp(2.5rem,4vw,4.3rem);
  line-height:.92;letter-spacing:-.06em;margin:18px 0 16px
}
.bb-copy{font-size:1.08rem;line-height:1.82;color:var(--muted-strong);max-width:640px}
.bb-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:12px}
.bb-list li{
  padding:14px 16px;background:var(--surface-soft);border:1px solid var(--line);
  border-radius:16px;font-weight:700
}
.bb-mini-showcase{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.bb-show-card{
  padding:18px;border-radius:22px;background:linear-gradient(180deg,#fff,#faf7ff);border:1px solid var(--line)
}
.bb-show-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:var(--muted);margin-bottom:10px}
.bb-show-card h4{margin:0 0 8px;font-size:1.15rem;letter-spacing:-.02em}
.bb-show-card p{margin:0;color:var(--muted);line-height:1.65}

.bb-auth-right{padding:38px}
.bb-form-kicker{font-size:.82rem;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:var(--muted);margin-bottom:12px}
.bb-form-title{margin:0;font-size:2.3rem;letter-spacing:-.05em;line-height:1}
.bb-form-sub{margin:12px 0 0;color:var(--muted-strong);line-height:1.75}
.bb-alert{
  margin-top:22px;padding:14px 16px;border-radius:16px;background:var(--danger-bg);
  color:var(--danger-text);font-weight:800;border:1px solid #ffd4de
}
.bb-form{margin-top:24px}
.bb-field{margin-bottom:18px}
.bb-field label{
  display:block;margin-bottom:8px;font-weight:800;letter-spacing:-.01em
}
.bb-input{
  width:100%;height:56px;padding:0 18px;border-radius:16px;border:1px solid var(--line);
  background:#fff;font-size:1rem;color:var(--text);outline:none;transition:.18s ease
}
.bb-input:focus{
  border-color:#b9abe6;box-shadow:0 0 0 4px rgba(125,104,216,.08)
}
.bb-input::placeholder{color:#a19bb2}
.bb-submit{width:100%;height:58px;cursor:pointer;font-size:1rem}
.bb-form-links{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:16px;color:var(--muted)
}
.bb-form-links a{font-weight:800;color:var(--muted-strong)}
.bb-form-links a:hover{color:var(--primary)}
.bb-trust{
  margin-top:24px;padding:18px;border-radius:20px;background:var(--surface-soft);border:1px solid var(--line)
}
.bb-trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.bb-trust-item{
  padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)
}
.bb-trust-item strong{display:block;font-size:1rem}
.bb-trust-item span{display:block;margin-top:4px;color:var(--muted);font-size:.92rem;line-height:1.5}
.bb-bottom-note{margin-top:16px;color:var(--muted);font-size:.96rem;line-height:1.7}
@media (max-width:980px){
  .bb-auth-shell{padding:16px}
  .bb-nav{flex-direction:column;align-items:flex-start;border-radius:28px}
  .bb-auth-grid,.bb-mini-showcase,.bb-trust-grid{grid-template-columns:1fr}
  .bb-auth-left,.bb-auth-right{padding:28px}
  .bb-brand{font-size:1.8rem}
}