/* synapse-1.20-mobile-density-header-rhythm-copy-spacing — client-facing single access chamber. */
.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  background:
    radial-gradient(circle at 8% 4%, rgba(184,135,66,.18), transparent 22rem),
    radial-gradient(circle at 92% 5%, rgba(11,80,108,.16), transparent 24rem),
    linear-gradient(135deg, #f8f4ea 0%, #eef8ef 52%, #f6faf8 100%);
}
.login-card {
  width: min(100%, 36rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.login-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(20, 64, 77, 0.14);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255,253,248,.88), rgba(255,255,255,.78));
  box-shadow: 0 26px 80px rgba(17, 56, 72, 0.18);
  padding: clamp(1.35rem, 5vw, 2.35rem);
  backdrop-filter: blur(18px);
}
.login-panel:before {
  content: "";
  position: absolute;
  inset: -7rem -7rem auto auto;
  width: 14rem;
  height: 14rem;
  border-radius: 999px;
  background: rgba(11,80,108,.07);
  pointer-events: none;
}
.login-panel:after {
  content: "";
  position: absolute;
  inset: auto auto -8rem -8rem;
  width: 16rem;
  height: 16rem;
  border-radius: 999px;
  background: rgba(184,135,66,.08);
  pointer-events: none;
}
.login-brand { position: relative; display:flex; align-items:center; gap:.8rem; margin-bottom:1.1rem; color:#123f4d; text-decoration:none; }
.login-brand img { inline-size:2.9rem; block-size:2.9rem; border-radius:999px; background:rgba(255,253,248,.85); filter:drop-shadow(0 10px 16px rgba(11,80,108,.14)); }
.login-brand span { display:grid; line-height:1.12; }
.login-brand strong { font-size:1.08rem; letter-spacing:-.01em; }
.login-brand small { color:#476672; margin-top:.18rem; }
.login-panel h1 { position: relative; margin:0 0 .7rem; font-size:clamp(2.25rem, 9vw, 3.6rem); letter-spacing:-0.055em; line-height:.98; color:#0f3540; }
.login-panel p { position: relative; color:#476672; line-height:1.62; }
.access-chamber-copy { font-size:1.02rem; margin:0 0 1.15rem; }
.target-switch {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .5rem;
  padding: .45rem;
  border: 1px solid rgba(20,64,77,.12);
  border-radius: 999px;
  background: rgba(248,244,234,.72);
  margin: 1rem 0 1.15rem;
}
.target-switch a {
  display: inline-flex;
  justify-content:center;
  align-items:center;
  min-height: 2.55rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 850;
  color:#476672;
}
.target-switch a[aria-current="true"] {
  color:#fff;
  background: linear-gradient(135deg,#0b506c,#087785);
  box-shadow: 0 12px 28px rgba(11,80,108,.16);
}
.login-form { position: relative; display:grid; gap:1rem; margin-top:.4rem; }
.login-field { display:grid; gap:.42rem; font-weight:800; color:#143f4a; }
.login-field input {
  width:100%;
  border:1px solid rgba(20, 64, 77, 0.16);
  border-radius:20px;
  min-height:3.75rem;
  padding:1rem 1.05rem;
  font:inherit;
  background:rgba(255,255,255,0.94);
  color:#0f3540;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.75);
}
.login-field input:focus { outline:3px solid rgba(11,80,108,.18); border-color:#0b506c; }
.login-actions { display:flex; flex-wrap:wrap; gap:.75rem; align-items:center; margin-top:.35rem; }
.login-actions .button { min-height:3rem; }
.login-status { min-height:1.5rem; margin:.65rem 0 0; color:#476672; font-weight:800; }
.login-status[data-tone="error"] { color:#8b2f21; }
.login-status[data-tone="success"] { color:#0b6254; }
.login-status[data-tone="warn"] { color:#8a611c; }
.login-help { margin-top:.8rem; font-size:.92rem; color:#5c737b; }
.login-help a { color:#0b506c; font-weight:800; text-decoration:none; }
.password-rules { padding-left:1.2rem; color:#476672; line-height:1.65; }
@media (max-width: 520px) {
  .login-shell { align-items:start; padding:.75rem; }
  .login-panel { border-radius:26px; padding:1.2rem; }
  .target-switch { grid-template-columns:1fr; border-radius:22px; }
  .target-switch a { border-radius:18px; }
  .login-actions .button { flex:1 1 100%; }
}


/* Build 3.13 — Login Action Chamber Admission
   Secure access now follows the working product pattern: the login viewport owns
   access selection, and the Action Chamber owns credential entry. */
.login-shell--action-chamber{
  place-items:start center;
  align-items:start;
  padding:clamp(.75rem, 2.4vw, 1.6rem);
}
.login-card--action-shell{
  width:min(100%, 64rem);
  grid-template-columns:minmax(0,.95fr) minmax(21rem,.78fr);
  align-items:start;
  gap:clamp(.85rem,2.3vw,1.4rem);
  position:relative;
}
.login-viewport-panel{
  min-height:0;
  padding:clamp(1.1rem,3vw,1.75rem);
}
.login-viewport-panel .login-brand{margin-bottom:.9rem;}
.login-viewport-panel .login-brand img{inline-size:2.7rem;block-size:2.7rem;}
.login-viewport-panel h1{
  font-size:clamp(2.05rem,6vw,3.25rem);
  margin-bottom:.6rem;
}
.login-viewport-panel .access-chamber-copy{
  max-width:28rem;
  margin-bottom:.9rem;
}
.target-switch--action{
  grid-template-columns:1fr;
  border-radius:24px;
  padding:.5rem;
  gap:.42rem;
  margin:.9rem 0 .75rem;
}
.target-switch--action a{
  justify-content:space-between;
  min-height:3rem;
  border-radius:18px;
  padding:.45rem .9rem;
}
.target-switch--action a::after{
  content:'Open';
  font-size:.68rem;
  letter-spacing:.11em;
  text-transform:uppercase;
  color:rgba(71,102,114,.78);
}
.target-switch--action a[aria-current="true"]::after{color:rgba(255,255,255,.82);}
.login-action-hint{
  margin:.65rem 0 0;
  color:#647780;
  font-size:.9rem;
  font-weight:800;
}
.login-action-chamber{
  position:sticky;
  top:clamp(.75rem,2vw,1.25rem);
  max-height:calc(100svh - 2rem);
  z-index:2;
}
.login-action-chamber .action-chamber-head h2{
  margin:.1rem 0 0;
  color:#17263a;
  font-size:clamp(1.35rem,3.2vw,1.9rem);
  line-height:1.05;
  letter-spacing:-.04em;
}
.login-action-chamber .action-chamber-body{gap:.78rem;}
.login-action-chamber .login-form{margin-top:0;}
.login-action-meta small{line-height:1.45;}
.login-action-chamber .login-field input{
  min-height:3.25rem;
  border-radius:16px;
  padding:.82rem .9rem;
}
.login-action-chamber .login-help{
  margin:.2rem 0 0;
  font-size:.86rem;
}
.login-action-chamber .login-status,
.login-action-chamber .action-chamber-receipt{
  margin:0;
  font-weight:800;
}
.login-action-scrim{
  display:none;
  position:fixed;
  inset:0;
  z-index:70;
  border:0;
  background:rgba(9,25,39,.34);
  backdrop-filter:blur(2px);
}
body[data-login-action-open="true"] .login-action-scrim:not([hidden]){display:block;}
body[data-login-subchamber-scroll-lock="active"]{overflow:hidden;}
@media(max-width:820px){
  .login-shell--action-chamber{padding:.7rem;}
  .login-card--action-shell{
    width:100%;
    grid-template-columns:1fr;
    gap:.7rem;
  }
  .login-viewport-panel{
    border-radius:26px;
    padding:1.05rem;
  }
  .login-viewport-panel .login-brand{gap:.65rem;margin-bottom:.82rem;}
  .login-viewport-panel .login-brand img{inline-size:2.55rem;block-size:2.55rem;}
  .login-viewport-panel h1{
    font-size:clamp(2rem,9.5vw,2.85rem);
    line-height:.98;
  }
  .login-viewport-panel .access-chamber-copy{
    font-size:.98rem;
    line-height:1.48;
    margin-bottom:.75rem;
  }
  .target-switch--action{
    border-radius:22px;
    margin:.75rem 0 .55rem;
  }
  .target-switch--action a{min-height:2.75rem;}
  .login-action-hint{font-size:.84rem;margin-top:.55rem;}
  .login-action-chamber{
    position:fixed!important;
    z-index:80;
    left:max(.65rem, env(safe-area-inset-left));
    right:max(.65rem, env(safe-area-inset-right));
    bottom:max(.65rem, env(safe-area-inset-bottom));
    top:auto!important;
    max-height:min(82svh, 46rem);
    border-radius:24px;
    padding:.9rem;
    transform:translateY(calc(100% + 2rem));
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:transform .22s ease, opacity .18s ease, visibility .18s ease;
  }
  .login-action-chamber[data-login-subchamber-state="open"]{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    box-shadow:0 24px 72px rgba(9,25,39,.24);
  }
  .login-action-chamber .action-chamber-body{
    max-height:calc(min(82svh, 46rem) - 8.25rem);
    overflow:auto;
    overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch;
  }
  .login-actions .button,
  .login-actions .action-chamber-button{flex:1 1 100%;}
}
@media(max-width:420px){
  .login-shell--action-chamber{padding:.55rem;}
  .login-viewport-panel{padding:.95rem;}
  .login-viewport-panel .eyebrow{font-size:.72rem;}
  .login-viewport-panel h1{font-size:2.25rem;}
  .login-viewport-panel .access-chamber-copy{font-size:.93rem;}
  .target-switch--action a{min-height:2.55rem;padding:.4rem .76rem;}
  .login-action-chamber{
    left:max(.5rem, env(safe-area-inset-left));
    right:max(.5rem, env(safe-area-inset-right));
    bottom:max(.5rem, env(safe-area-inset-bottom));
    max-height:min(84svh, 44rem);
  }
  .login-action-chamber .action-chamber-body{max-height:calc(min(84svh, 44rem) - 8rem);}
}
@media(prefers-reduced-motion:reduce){
  .login-action-chamber{transition:none!important;}
}