/* ===== US-AUTH-FIRST-RUN-01 · private front door ===== */

.auth-overlay{
  position:fixed;
  inset:0;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:
    max(18px,var(--us-safe-top))
    max(16px,var(--us-safe-right))
    max(18px,var(--us-safe-bottom))
    max(16px,var(--us-safe-left));
  overflow:auto;
  background:
    radial-gradient(90% 70% at 14% 4%,rgba(255,102,142,.14),transparent 58%),
    radial-gradient(85% 70% at 94% 94%,rgba(169,133,255,.14),transparent 56%),
    #08040e;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
}
.auth-overlay.hidden{display:none}

.auth-card{
  position:relative;
  isolation:isolate;
  width:min(394px,100%);
  max-height:calc(100dvh - max(36px,var(--us-safe-top) + var(--us-safe-bottom)));
  overflow:auto;
  overscroll-behavior:contain;
  padding:22px 20px 18px;
  border-radius:30px;
  border:1px solid rgba(255,255,255,.11);
  background:
    linear-gradient(155deg,rgba(255,255,255,.055),rgba(255,255,255,.018)),
    rgba(18,14,23,.78);
  box-shadow:0 28px 90px rgba(0,0,0,.48),inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(28px) saturate(1.28);
  -webkit-backdrop-filter:blur(28px) saturate(1.28);
}
.auth-card::before{
  content:"";
  position:absolute;
  z-index:-1;
  width:190px;
  height:190px;
  right:-92px;
  top:-104px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(169,133,255,.14),transparent 68%);
  pointer-events:none;
}

.auth-logo{
  width:58px;
  height:58px;
  margin:0 auto 8px;
  display:grid;
  place-items:center;
}
.auth-logo .us-brand-symbol-art{
  width:100%;
  height:100%;
  object-fit:contain;
}

.us-auth-context{
  min-height:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  margin-bottom:18px;
  color:var(--us-color-text-3);
  font-size:10.5px;
  font-weight:650;
  letter-spacing:.02em;
}
.us-auth-context span[aria-hidden="true"]{color:var(--us-color-rose-2);font-size:12px}

.auth-step{display:none}
.auth-step.active{display:block}

.auth-step>.tiny{
  margin-bottom:5px;
  text-align:center;
  color:var(--us-color-accent-ink);
  font-size:9px;
  font-weight:800;
  letter-spacing:.14em;
}
.auth-card h2{
  margin:0;
  text-align:center;
  font:500 27px/1.06 var(--us-font-editorial);
  letter-spacing:-.02em;
}
.auth-card .us-auth-lede{
  max-width:320px;
  margin:8px auto 17px;
  color:var(--us-color-text-2);
  text-align:center;
  font-size:12px;
  line-height:1.45;
}

.role-picker{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin:0 0 12px;
}
.role-btn{
  min-height:62px;
  padding:8px 10px;
  border:1px solid rgba(255,255,255,.09);
  border-radius:18px;
  background:rgba(255,255,255,.032);
  color:var(--us-color-text);
  display:grid;
  grid-template-columns:32px minmax(0,1fr);
  align-items:center;
  justify-items:start;
  gap:8px;
  text-align:left;
  box-shadow:none;
}
.role-btn span{
  width:32px;
  height:32px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.065);
  border:1px solid rgba(255,255,255,.08);
  color:var(--us-color-text-2);
  font-size:11px;
  font-weight:850;
}
.role-btn b{
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-size:12.5px;
  font-weight:700;
}
.role-btn.selected{
  border-color:rgba(255,142,170,.34);
  background:linear-gradient(135deg,rgba(255,102,142,.10),rgba(169,133,255,.07));
  box-shadow:inset 0 0 0 1px rgba(255,142,170,.08);
}
.role-btn.selected span{
  border-color:rgba(255,142,170,.28);
  background:linear-gradient(135deg,rgba(255,102,142,.20),rgba(169,133,255,.16));
  color:#fff;
}

.us-auth-field{
  display:block;
  margin-top:9px;
}
.us-auth-field>span{
  display:block;
  margin:0 0 5px 3px;
  color:var(--us-color-text-3);
  font-size:10px;
  font-weight:700;
}
.auth-card input{
  margin:0;
  min-height:48px;
  padding:11px 13px;
  border-radius:15px;
  background:rgba(255,255,255,.042);
  border:1px solid rgba(255,255,255,.095);
  font-size:13px;
}
.auth-card input:focus{
  border-color:rgba(201,154,224,.38);
  box-shadow:var(--us-field-focus);
}

.us-auth-primary{
  width:100%;
  min-height:48px;
  margin-top:11px;
  border-radius:16px;
  font-size:12.5px;
}
.us-auth-primary:disabled{opacity:.58}

.auth-status{
  min-height:17px;
  margin-top:8px;
  text-align:center;
  color:var(--us-color-text-3);
  font-size:10.5px;
  line-height:1.35;
}
.auth-status:empty{margin-top:5px}
.auth-status[data-kind="error"]{color:var(--us-color-danger-ink)}
.auth-status[data-kind="success"]{color:var(--us-color-positive)}

.us-auth-links{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:2px;
  margin-top:4px;
}
.us-auth-link{
  min-height:40px;
  padding:7px 8px;
  border:0;
  background:none;
  color:var(--us-color-text-2);
  font:650 11.5px/1.2 var(--us-font-ui);
  text-decoration:none;
}
.us-auth-link:active{color:var(--us-color-text)}

.us-auth-install{
  margin-top:15px;
  padding-top:12px;
  border-top:1px solid rgba(255,255,255,.07);
}
.us-auth-install[hidden]{display:none!important}
.us-auth-install-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:10px;
}
.us-auth-install-copy{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.us-auth-install-copy b{font-size:11.5px;color:var(--us-color-text);font-weight:700}
.us-auth-install-copy small{font-size:10px;line-height:1.3;color:var(--us-color-text-3)}
.us-auth-install-btn{
  min-height:40px;
  padding:0 12px;
  border-radius:13px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.05);
  color:var(--us-color-text);
  font-size:10.5px;
  font-weight:750;
}
.us-auth-install-help{
  margin:9px 0 0;
  padding:9px 10px;
  border-radius:13px;
  border:1px solid rgba(255,255,255,.07);
  background:rgba(255,255,255,.025);
  color:var(--us-color-text-2);
  font-size:10.5px;
  line-height:1.4;
}
.us-auth-install-help[hidden]{display:none!important}

html.us-auth-pending .auth-overlay,
html.us-returning-device .auth-overlay{
  display:none!important;
}

@media(max-width:360px){
  .auth-overlay{padding-inline:12px}
  .auth-card{padding:19px 15px 15px;border-radius:26px}
  .auth-card h2{font-size:24px}
  .role-btn{padding-inline:8px;grid-template-columns:30px minmax(0,1fr)}
  .role-btn span{width:30px;height:30px}
}

@media(max-height:620px){
  .auth-overlay{align-items:flex-start}
  .auth-card{margin:auto 0;padding-top:16px}
  .auth-logo{width:46px;height:46px;margin-bottom:4px}
  .us-auth-context{margin-bottom:10px}
  .auth-card .us-auth-lede{margin-bottom:12px}
  .role-btn{min-height:56px}
}

@media(prefers-reduced-motion:reduce){
  .auth-card,.role-btn{transition:none!important}
}