/* =====================================================================
   AUTENTICACAO (modal de login/cadastro)
   ===================================================================== */
.auth-modal{width:min(430px,100%);padding:0;overflow:hidden;}
.auth-hero{
  padding:26px 26px 20px;text-align:center;position:relative;
  background:
    radial-gradient(420px 180px at 50% -30%,rgba(168,85,247,.5),transparent 70%),
    linear-gradient(160deg,rgba(59,130,246,.2),rgba(239,68,68,.16));
  border-bottom:1px solid var(--line);
}
.auth-hero .logo{
  width:64px;height:64px;border-radius:20px;margin:0 auto 12px;display:grid;place-items:center;
  background:var(--grad-brand);box-shadow:var(--glow-purple),inset 0 2px 0 rgba(255,255,255,.4);
}
.auth-hero h2{font-family:var(--font-display);font-size:21px;font-weight:900;letter-spacing:1px;}
.auth-hero p{margin-top:6px;font-size:13px;color:var(--txt-2);}
.auth-body{padding:22px 26px 26px;display:flex;flex-direction:column;gap:14px;}
.auth-tabs{display:flex;gap:6px;padding:5px;border-radius:12px;background:rgba(6,4,16,.7);border:1px solid var(--line);}
.auth-tabs button{
  flex:1;padding:9px;border:0;border-radius:9px;background:transparent;color:var(--txt-3);
  font-size:13.5px;font-weight:800;cursor:pointer;transition:.18s;
}
.auth-tabs button.active{background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px -8px rgba(139,92,246,.9);}
.auth-err{
  padding:10px 12px;border-radius:11px;font-size:13px;font-weight:600;
  background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4);color:#fecaca;
}
.auth-ok{
  padding:10px 12px;border-radius:11px;font-size:13px;font-weight:600;
  background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.4);color:#a7f3d0;
}
.auth-hint{font-size:11.5px;color:var(--txt-3);text-align:center;line-height:1.5;}
.first-user-note{
  display:flex;gap:9px;align-items:flex-start;padding:11px 12px;border-radius:12px;font-size:12.5px;
  background:linear-gradient(135deg,rgba(251,191,36,.14),rgba(244,63,94,.12));
  border:1px solid rgba(251,191,36,.35);color:#fde68a;font-weight:600;line-height:1.45;
}