/* --- auth shell --- */
.auth-shell{
  min-height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 32px 16px;
  background: radial-gradient(circle at top, #e6f7ec, #f5f7f9 52%, #edf2f7);
}
.auth-card{
  position: relative;
  width: 100%;
  max-width: 420px;
  background:#ffffff;
  border-radius: 20px;
  padding: 24px 26px 22px;
  box-shadow: 0 20px 60px rgba(15,23,42,.2);
  border: 1px solid rgba(148,163,184,.25);
}
.auth-brand{
  margin-bottom: 18px;
}
.auth-logo{
  display:flex;
  align-items:center;
  gap: 10px;
}
.auth-logo-mark{
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #5df695, #12b44a);
  box-shadow: 0 4px 10px rgba(12,148,66,.45);
}
.auth-logo-text{
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
  color:#111827;
}
.auth-tagline{
  margin: 6px 0 0;
  font-size: 13px;
  color:#6b7280;
}
.auth-panels{
  margin-top: 16px;
}
.auth-tabs{
  display:inline-flex;
  padding: 3px;
  background:#f3f4f6;
  border-radius: 999px;
  margin-bottom: 14px;
}
.auth-tab{
  border:0;
  background:transparent;
  border-radius:999px;
  padding: 6px 14px;
  font-size: 12px;
  color:#6b7280;
  cursor: default;
}
.auth-tab-active{
  background:#ffffff;
  color:#111827;
  font-weight:600;
  box-shadow: 0 2px 6px rgba(148,163,184,.5);
}
.auth-panel{
  display:none;
}
.auth-panel-active{
  display:block;
}
.auth-note{
  margin: 2px 0 12px;
  font-size: 12px;
  color:#4b5563;
}
.auth-footnote{
  margin: 10px 0 0;
  font-size: 11px;
  color:#6b7280;
}

/* --- tablet and below --- */
@media (max-width: 768px){
  .auth-shell{
    padding: 16px 12px;
    align-items: flex-start;
  }
  .auth-card{
    max-width: none;
    border-radius: 18px;
  }
}

/* --- small phone --- */
@media (max-width: 420px){
  .auth-shell{ padding: 0; }
  .auth-card{
    border-radius: 0;
    min-height: 100vh;
    padding: 28px 20px 24px;
  }
}

/* --- touch --- */
@media (pointer: coarse){
  .auth-tab{
    padding: 8px 16px;
    font-size: 13px;
  }
}