:root{
  --bg:#020a12;--panel:#071522;--panel-2:#0b1d2e;--line:#1b3a56;
  --text:#f7f9fc;--muted:#9fb0c4;--blue:#149cff;--blue2:#0f6db6;--green:#20d46b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}
body{min-height:100vh;background:radial-gradient(circle at 50% -10%,rgba(20,156,255,.16),transparent 34%),linear-gradient(180deg,#06111d 0%,#020a12 58%,#01060c 100%)}
body.sheet-open{overflow:hidden}
.access-shell{width:100%;min-height:100vh;padding:22px 14px 34px;display:flex;justify-content:center}
.access-card{width:min(100%,760px)}
.brand{text-align:center;margin:4px 0 12px}.brand img{width:150px;max-width:42vw;height:auto}
.eyebrow{margin:8px 0 14px;color:var(--blue);font-weight:800;letter-spacing:4px;font-size:14px;text-transform:uppercase}
h1{margin:0 0 8px;font-size:clamp(34px,9vw,58px);line-height:1.04;letter-spacing:-1.3px}
#access-point-name{margin:0 0 24px;font-size:18px;color:#c2d4e6}
h2{margin:0 0 16px;font-size:clamp(23px,6vw,32px);line-height:1.15}
#search{width:100%;min-height:58px;margin:0 0 18px;padding:0 18px;border:1px solid var(--line);border-radius:17px;background:#06111d;color:var(--text);font-size:17px;outline:none}
#search::placeholder{color:#7f93a8}#search:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,156,255,.08)}
#contacts{display:grid;gap:14px}
.contact-option{width:100%;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,rgba(14,34,53,.98),rgba(7,22,35,.98));color:var(--text);padding:17px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;text-align:left;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.contact-option:hover,.contact-option:focus{border-color:var(--blue);outline:none}
.contact-main{display:flex;align-items:center;gap:14px;min-width:0}.contact-icon{flex:0 0 48px;width:48px;height:48px;border-radius:50%;border:1px solid var(--blue2);display:grid;place-items:center;color:var(--blue);font-size:24px;background:#06121e}
.contact-copy{min-width:0}.contact-copy strong{display:block;font-size:20px;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.contact-copy small{display:block;color:#c0cfde;font-size:16px}.contact-arrow{color:var(--blue);font-size:32px;line-height:1}
.access-footer{margin-top:30px;padding-top:22px;border-top:1px solid rgba(24,67,98,.7);text-align:center;color:var(--muted)}.access-footer .secure{color:var(--blue);font-size:16px;margin-bottom:8px}.access-footer p{margin:5px 0}

/* V4.5 bottom sheet */
.sheet-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.56);backdrop-filter:blur(3px);
  z-index:40;opacity:0;transition:opacity .22s ease;
}
.sheet-backdrop.visible{opacity:1}
.contact-sheet{
  position:fixed;left:50%;bottom:0;z-index:50;width:min(100%,760px);
  transform:translate(-50%,105%);transition:transform .28s cubic-bezier(.2,.8,.2,1);
  background:linear-gradient(180deg,#0b1d2e,#06111d);
  border:1px solid var(--line);border-bottom:0;border-radius:24px 24px 0 0;
  padding:10px 18px calc(22px + env(safe-area-inset-bottom));
  box-shadow:0 -20px 50px rgba(0,0,0,.42);
}
.contact-sheet.open{transform:translate(-50%,0)}
.sheet-handle{width:48px;height:5px;border-radius:999px;background:#34506a;margin:2px auto 14px}
.sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.sheet-head h2{margin:0 0 6px;font-size:30px}.sheet-head #selected-ref{margin:0;color:var(--muted);font-size:17px}
.sheet-close{flex:0 0 auto;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#06111d;color:#d7e4ef;font-size:26px;line-height:1;cursor:pointer}
.method-buttons{display:grid;gap:12px;margin-top:20px}
.method-option{width:100%;min-height:58px;border:1px solid var(--line);border-radius:15px;background:#06111d;color:var(--text);font-size:18px;font-weight:800;text-align:left;padding:0 18px}
.method-option:hover,.method-option:focus{border-color:var(--blue);outline:none}

@media(min-width:700px){
  .access-shell{padding:34px 24px 46px}.contact-option{padding:20px 22px}
  .contact-sheet{bottom:22px;border-radius:24px;border-bottom:1px solid var(--line);max-width:620px}
}
@media(max-width:520px){
  .access-shell{padding:18px 12px 26px}.access-card{width:100%}.brand img{width:130px}.eyebrow{font-size:13px;letter-spacing:3px}
  h1{font-size:clamp(38px,12vw,52px)}#access-point-name{font-size:17px;margin-bottom:26px}h2{font-size:clamp(24px,7vw,30px)}
  .contact-option{padding:16px 15px}.contact-icon{width:44px;height:44px;flex-basis:44px;font-size:22px}.contact-copy strong{font-size:19px}.contact-copy small{font-size:15px}
  .contact-sheet{width:100%;padding-left:16px;padding-right:16px}.sheet-head h2{font-size:28px}
}

/* V1.7.9 Branded Visitor Experience */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.mxs-platform-mark{display:flex;justify-content:center;align-items:center;gap:7px;margin:2px auto 18px;color:#dbe8f4;font-size:12px;font-weight:900;letter-spacing:2.5px}
.mxs-platform-mark span{color:#4aaff6}
.client-brand{position:relative;display:flex;align-items:center;gap:17px;margin:0 0 22px;padding:19px;border:1px solid #1c5479;border-radius:22px;background:linear-gradient(135deg,rgba(12,38,58,.98),rgba(5,20,32,.98));box-shadow:0 18px 45px rgba(0,0,0,.22),inset 0 1px 0 rgba(89,184,247,.06)}
.client-brand[hidden]{display:none}
.client-logo{width:82px;height:82px;flex:0 0 82px;border-radius:19px;border:1px solid #2774a6;background:#06121d;display:grid;place-items:center;overflow:hidden;color:#4bb2f8;font-size:34px;font-weight:900;box-shadow:0 0 28px rgba(20,156,255,.08)}
.client-logo img{width:100%;height:100%;object-fit:contain;padding:7px}
.client-brand-copy{min-width:0}.client-kicker{margin:0 0 4px;color:#49adf5;font-size:11px;font-weight:900;letter-spacing:2.7px}
.client-brand-copy h1{margin:0 0 5px;font-size:clamp(24px,6vw,34px);line-height:1.08;letter-spacing:-.5px}
.client-brand-copy #client-welcome{margin:0;color:#a9bdcf;font-size:15px;line-height:1.35}
.visitor-eyebrow{margin-top:4px}
.entrance-pill{display:inline-flex!important;align-items:center;min-height:34px;margin:0 0 25px!important;padding:7px 12px;border:1px solid #1b4a6b;border-radius:999px;background:#071a29;color:#a9c6dc!important;font-size:13px!important;font-weight:700}
.entrance-pill:before{content:"ENTRANCE · ";color:#48aef5;font-size:10px;font-weight:900;letter-spacing:1.5px;margin-right:5px}
.powered-by{display:inline-flex;align-items:center;gap:7px;margin:8px 0 4px;padding:8px 11px;border:1px solid #173a55;border-radius:999px;background:#06131f}
.powered-label{color:#718ba1;font-size:8px;font-weight:900;letter-spacing:1.6px}.powered-by strong{color:#4db2f7;font-size:10px;letter-spacing:1.5px}
@media(max-width:520px){
 .mxs-platform-mark{margin-bottom:14px}
 .client-brand{padding:15px;gap:13px;border-radius:19px;margin-bottom:19px}
 .client-logo{width:66px;height:66px;flex-basis:66px;border-radius:16px;font-size:28px}
 .client-brand-copy h1{font-size:clamp(22px,7vw,29px)}
 .client-brand-copy #client-welcome{font-size:14px}
}

/* V1.8.3 Resident notification action */
.method-option.notify-resident{border-color:#168bc8!important;background:linear-gradient(90deg,#087fc7,#16a9f4)!important;color:#fff!important;font-weight:900!important}