:root{--bg:#0d1422;--surface:#172235;--surface2:#202e45;--line:#31415d;--text:#f4f7fb;--muted:#aab7ca;--gold:#efa735;--green:#39b97c;--danger:#e4585e;--blue:#4e9bd1;--shadow:0 18px 55px rgba(0,0,0,.26)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:linear-gradient(180deg,#0b1220,#111a2a 45%,#0c1421);color:var(--text);font-family:Segoe UI,Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}body{padding-bottom:calc(28px + env(safe-area-inset-bottom))}.topbar{height:76px;padding:12px max(18px,env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.06);background:rgba(13,20,34,.82);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:11px}.brand img{width:48px;height:48px;border-radius:14px}.brand strong{display:block;font-size:16px}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.shell{max-width:1180px;margin:0 auto;padding:32px 20px}.hidden{display:none!important}.auth-grid,.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}.hero-card,.card,.metric,.device-hero{background:linear-gradient(145deg,rgba(32,46,69,.96),rgba(22,33,51,.96));border:1px solid rgba(255,255,255,.07);border-radius:24px;box-shadow:var(--shadow)}.hero-card{padding:38px}.hero-card h1,.welcome-row h1,.device-hero h1{font-size:clamp(30px,5vw,48px);line-height:1.05;margin:10px 0 14px}.hero-card p{color:var(--muted);font-size:17px;line-height:1.55;max-width:610px}.eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em}.feature-row{display:flex;gap:12px;margin:16px 0;color:#dfe8f4}.feature-row b{color:var(--green)}.card{padding:24px}.auth-card{max-width:520px;width:100%;justify-self:center}.segmented,.tabbar{display:flex;background:#0f1929;border-radius:14px;padding:4px;gap:4px;margin-bottom:24px}.segmented button,.tabbar button{flex:1;border:0;background:transparent;color:var(--muted);padding:12px;border-radius:10px;font-weight:700}.segmented button.active,.tabbar button.active{background:var(--surface2);color:var(--text)}label{display:block;color:#dce5f2;font-weight:650;font-size:13px;margin:13px 0}input,select{width:100%;background:#0e1726;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:13px 14px;font:inherit;margin-top:7px;outline:none}input:focus,select:focus{border-color:#5e9dcb;box-shadow:0 0 0 3px rgba(78,155,209,.14)}button{font:inherit;cursor:pointer}.primary,.secondary,.ghost,.danger{border:0;border-radius:12px;padding:12px 17px;font-weight:800}.primary{background:var(--green);color:white}.secondary{background:var(--blue);color:white}.ghost{background:#24334b;color:#eaf0f8}.danger{background:var(--danger);color:white}.wide{width:100%}.fine,.muted{color:var(--muted);font-size:13px;line-height:1.5}.welcome-row,.section-actions,.card-head,.device-hero{display:flex;align-items:center;justify-content:space-between;gap:18px}.welcome-row{margin-bottom:22px}.welcome-row h1{font-size:36px;margin:5px 0}.welcome-row p{margin:0;color:var(--muted)}.stack{display:flex;flex-direction:column;gap:11px}.device-row,.list-row,.caregiver-row,.reminder-row{background:#101a2a;border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:15px;display:flex;align-items:center;justify-content:space-between;gap:14px}.device-row{cursor:pointer}.device-row:hover,.reminder-row:hover{border-color:#50617f}.row-title{font-weight:800}.row-sub{font-size:12px;color:var(--muted);margin-top:4px}.badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800;background:#263751;color:#dce7f5}.badge.online{background:rgba(57,185,124,.16);color:#65d59c}.badge.offline{background:rgba(228,88,94,.14);color:#ef8589}.badge.owner{background:rgba(239,167,53,.16);color:#f5bf68}.help-banner{background:linear-gradient(135deg,#7b2430,#b53a43);border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:18px 20px;margin:0 0 22px;box-shadow:0 14px 34px rgba(150,35,49,.25)}.help-banner h2{margin:0 0 5px}.help-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.help-actions button{background:white;color:#76222d}.device-hero{padding:24px 28px;margin:14px 0 20px}.device-hero h1{font-size:38px;margin:5px 0}.status-line{color:var(--muted)}.back{margin-bottom:8px}.tabbar{max-width:620px}.tab-pane{padding-top:4px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.metric{padding:19px}.metric span{display:block;color:var(--muted);font-size:12px}.metric b{font-size:25px;display:block;margin-top:7px}.card h2,.section-actions h2{margin:0 0 6px}.card h3{margin-bottom:4px}.divider{height:1px;background:var(--line);margin:24px 0}.join-form{display:flex;gap:10px}.join-form input{margin:0}.join-form button{white-space:nowrap}.section-actions{margin:12px 0 18px}.reminder-row{align-items:flex-start}.reminder-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}.reminder-actions{display:flex;gap:8px}.invite-result{margin-top:18px;padding:18px;border-radius:16px;background:#0e1726;text-align:center}.invite-code{font-size:30px;font-weight:900;letter-spacing:.12em;color:var(--gold)}dialog{width:min(720px,calc(100vw - 24px));max-height:calc(100vh - 30px);border:1px solid var(--line);border-radius:22px;background:var(--surface);color:var(--text);padding:0;box-shadow:0 30px 90px rgba(0,0,0,.5)}dialog::backdrop{background:rgba(5,9,15,.72);backdrop-filter:blur(4px)}.dialog-form{padding:24px}.dialog-head,.dialog-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.dialog-head h2{margin:5px 0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.span-2{grid-column:1/-1}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px 16px;margin:12px 0 22px}.check-grid label{margin:0;background:#101a2a;border-radius:12px;padding:11px}.check-grid input{width:auto;margin:0 8px 0 0}.dialog-actions{border-top:1px solid var(--line);padding-top:18px}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#f5f7fb;color:#111a28;padding:12px 17px;border-radius:12px;font-weight:750;box-shadow:var(--shadow);z-index:100;max-width:min(520px,calc(100vw - 30px));text-align:center}@media(max-width:800px){.shell{padding:20px 14px}.auth-grid,.grid-2{grid-template-columns:1fr}.hero-card{padding:25px}.welcome-row,.section-actions,.device-hero{align-items:flex-start;flex-direction:column}.welcome-row .secondary,.device-hero .secondary{width:100%}.metric-grid{grid-template-columns:1fr 1fr}.metric-grid .metric:last-child{grid-column:1/-1}.join-form{flex-direction:column}.join-form button{width:100%}.form-grid,.check-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.reminder-row{flex-direction:column}.reminder-actions{width:100%}.reminder-actions button{flex:1}.topbar{height:70px}.brand img{width:43px;height:43px}.tabbar{position:sticky;top:78px;z-index:10}.card{padding:18px}}@media(max-width:430px){.metric-grid{grid-template-columns:1fr}.metric-grid .metric:last-child{grid-column:auto}.hero-card h1,.device-hero h1{font-size:32px}.welcome-row h1{font-size:30px}.help-actions button{width:100%}}
.top-actions{display:flex;align-items:center;gap:8px}.install-top{background:linear-gradient(135deg,#efa735,#d88920);color:#101725}.install-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px;border-radius:16px;background:linear-gradient(135deg,rgba(239,167,53,.11),rgba(57,185,124,.08));border:1px solid rgba(239,167,53,.28)}.install-card>div{min-width:0}.install-card b{display:block;color:#f7c66f;margin-bottom:4px}.install-card span{display:block;color:var(--muted);font-size:12px;line-height:1.45}.install-card.installed{border-color:rgba(57,185,124,.35);background:rgba(57,185,124,.08)}.install-card.installed b{color:#65d59c}.install-dialog-body{margin:18px 0}.install-steps{padding-left:22px;color:#e8eef7;line-height:1.55}.install-steps li{margin:10px 0}.install-note,.install-warning,.install-success{padding:14px 15px;border-radius:13px;line-height:1.5}.install-note{background:#101a2a;color:#dce6f3}.install-warning{background:rgba(239,167,53,.12);border:1px solid rgba(239,167,53,.3);color:#f8d28b}.install-success{background:rgba(57,185,124,.12);border:1px solid rgba(57,185,124,.3);color:#7ce0ad;font-weight:800}.install-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.install-diagnostics{border-top:1px solid var(--line);padding-top:15px;margin-top:18px}.diag-title{font-size:12px;font-weight:800;color:var(--muted);margin-bottom:7px}.diag-row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:12px;border-bottom:1px solid rgba(255,255,255,.04)}.diag-row .ok{color:#65d59c}.diag-row .bad{color:#f0ad55}.install-hint{margin-top:12px;word-break:break-word}@media(max-width:600px){.install-top{padding:10px 12px;font-size:12px}.top-actions{gap:6px}.top-actions .ghost{padding:10px 12px}.install-card{align-items:stretch;flex-direction:column}.install-card button{width:100%}.install-actions{flex-direction:column}.install-actions button{width:100%}}
.device-actions{display:flex;gap:9px;align-items:center}@media(max-width:800px){.device-actions{width:100%;flex-direction:column}.device-actions button{width:100%}}

.profile-location{margin-top:4px;color:#cbd5e1;font-size:15px}.profile-location:empty{display:none}.chat-list{display:flex;flex-direction:column;gap:10px;max-height:460px;overflow:auto;padding:8px 2px 14px}.chat-bubble{max-width:86%;padding:12px 14px;border-radius:16px;background:#1f2d43;border:1px solid #34445f}.chat-bubble.mine{align-self:flex-end;background:#254c45}.chat-bubble.person{align-self:flex-start}.chat-meta{font-size:12px;color:#94a3b8;margin-bottom:4px}.chat-body{font-size:16px;line-height:1.35}.chat-status{font-size:11px;color:#94a3b8;margin-top:5px}.chat-compose{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:8px}.quick-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.quick-row button{background:#29394f;color:#e5edf7;border:1px solid #43536b;border-radius:12px;padding:10px 12px}.profile-card{max-width:840px}.profile-summary{margin-top:18px;padding:14px;border-radius:14px;background:#142036;color:#dbe6f5}@media(max-width:700px){.chat-compose{grid-template-columns:1fr}.chat-bubble{max-width:96%}}

.server-update-link{display:block;text-align:center;text-decoration:none;margin-top:10px}.server-update-link:visited{color:white}

.web-chat-code-btn{margin-top:16px}.web-chat-url{font-size:13px;line-height:1.35;overflow-wrap:anywhere;color:#dce8f5;background:#101a2a;border:1px solid #31415d;border-radius:10px;padding:10px;margin:8px 0 12px}

/* David 4.4 web-first live chat */
.chat-room-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}.chat-room-head{position:sticky;top:76px;z-index:3;background:inherit;padding-bottom:10px}.chat-live{display:flex;align-items:center;gap:8px;color:#6ee7a8;font-weight:900;font-size:12px}.live-dot{width:9px;height:9px;border-radius:50%;background:#39b97c;box-shadow:0 0 0 5px rgba(57,185,124,.13)}.ghost.compact{padding:7px 10px}.chat-list{height:min(58vh,620px);min-height:360px;overflow:auto;padding:14px 4px 18px;display:flex;flex-direction:column;gap:4px;scroll-behavior:smooth}.chat-row{display:flex;width:100%;margin:2px 0}.chat-row.mine{justify-content:flex-end}.chat-row.person,.chat-row.caregiver{justify-content:flex-start}.chat-bubble{max-width:min(78%,560px);padding:9px 12px 7px;border-radius:18px;border:0}.chat-row.mine .chat-bubble{background:#2f7f67;color:#fff;border-bottom-right-radius:6px}.chat-row.person .chat-bubble{background:#263750;color:#f8fafc;border-bottom-left-radius:6px}.chat-row.caregiver .chat-bubble{background:#263750;color:#f8fafc;border-bottom-left-radius:6px}.chat-sender{font-size:11px;font-weight:850;opacity:.76;margin-bottom:3px}.chat-body{font-size:16px;line-height:1.4;white-space:pre-wrap;overflow-wrap:anywhere}.chat-footer{font-size:10px;opacity:.7;text-align:right;margin-top:3px}.chat-date{display:flex;align-items:center;justify-content:center;margin:10px 0}.chat-date span{background:#172338;color:#9fb0c6;border:1px solid #30405b;border-radius:999px;padding:4px 9px;font-size:10px;font-weight:800}.chat-empty{text-align:center;color:#a9b6c9;padding:46px 14px}.chat-compose-live{position:sticky;bottom:0;background:linear-gradient(180deg,rgba(24,36,58,0),#18243a 24%);padding-top:18px}.chat-compose-live textarea{min-height:48px;max-height:130px;resize:vertical}.chat-compose-live button{min-width:88px}.chat-compose-live button:disabled{opacity:.55}.server-update-link{text-align:center;text-decoration:none;display:block}
@media(max-width:900px){.chat-room-layout{grid-template-columns:1fr}.chat-room-layout>.card:nth-child(2){order:-1}.chat-room-head{top:70px}.chat-list{height:55vh;min-height:330px}.chat-bubble{max-width:88%}}

/* David 4.6 Administrator link */
.admin-top-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.admin-top-link:visited{color:#eaf0f8}

/* David 4.6.2 input safety */
#deviceView{pointer-events:auto!important}#deviceView button,.tabbar,#backBtn,#deviceRefresh{pointer-events:auto!important;position:relative;z-index:30}.ui-reset{font-size:11px;opacity:.72;margin-left:8px}

.quick-setup-card{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid #36506e;background:#17283c;border-radius:14px;padding:13px 14px;margin:14px 0}.quick-setup-card div{display:grid;gap:3px}.quick-setup-card span{font-size:12px;color:#9db0c5}.large-ui{font-size:118%}.large-ui button,.large-ui input,.large-ui select,.large-ui textarea{font-size:1.03em}.large-ui .fine{font-size:13px}.high-contrast-ui{--force-contrast:1}.high-contrast-ui,.high-contrast-ui .card,.high-contrast-ui .topbar,.high-contrast-ui .metric,.high-contrast-ui .tab-pane{background:#05080d!important;color:#fff!important}.high-contrast-ui *{border-color:#b8c7da!important}.high-contrast-ui .muted,.high-contrast-ui .fine{color:#e0e7ef!important}@media(max-width:760px){.quick-setup-card{align-items:stretch;flex-direction:column}}