:root{--bg:#F4FAFF;--card:#fff;--line:#E4EFFA;--txt:#18242F;--mut:#7A7D84;--pri:#6C2BD9;--pri2:#5A20BC;--blue:#0085FF;--orange:#FA7500;--bad:#F23F54;--ok:#12B76A;--tab:68px;--sh:0 4px 18px rgba(24,36,47,.10)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);font:16px/1.4 "Mulish","Nunito",ui-rounded,-apple-system,system-ui,Roboto,sans-serif;overscroll-behavior:none}
[hidden]{display:none!important}
input,button{font:inherit;color:inherit}
input{width:100%;padding:14px;margin:6px 0;border-radius:14px;border:1.5px solid var(--line);background:#fff;outline:none}
input:focus{border-color:var(--pri)}
button{padding:10px 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-weight:700}
button.primary{background:var(--pri);border-color:var(--pri);color:#fff;box-shadow:0 6px 16px rgba(108,43,217,.3)}
button.danger{background:#fff;border-color:var(--bad);color:var(--bad)}
.muted{color:var(--mut);font-size:14px}.err{color:var(--bad)}.row{display:flex;gap:8px;align-items:center}.row input[type=checkbox]{width:auto}
#onboard{min-height:100%;display:grid;place-items:center;padding:20px;background:linear-gradient(180deg,#EFE7FF 0%,var(--bg) 60%)}
.card{width:100%;max-width:420px;background:#fff;padding:28px 24px;border-radius:28px;box-shadow:var(--sh);text-align:center}
.card .logo{width:84px;height:84px;border-radius:22px;box-shadow:0 8px 20px rgba(108,43,217,.35)}
.card form{display:flex;flex-direction:column;gap:6px;text-align:left}.card h1{margin:12px 0 4px;font-size:30px;letter-spacing:-.5px}.card h1 b{color:var(--pri)}
.card form .primary{margin-top:8px;padding:14px}
.seg{display:flex;gap:4px;margin:16px 0;background:var(--bg);padding:4px;border-radius:999px}.seg button{flex:1;border:0;background:none}.seg .on{background:#fff;color:var(--pri);box-shadow:var(--sh)}
#app{position:fixed;inset:0}
.tab{position:absolute;inset:0 0 calc(var(--tab) + env(safe-area-inset-bottom)) 0;overflow:auto;padding:calc(16px + env(safe-area-inset-top)) 16px 90px;display:none}
.tab.on{display:block}
#tab-map{padding:0;overflow:hidden}#map{position:absolute;inset:0}
#chips{position:absolute;top:calc(10px + env(safe-area-inset-top));left:0;right:0;z-index:500;display:flex;gap:8px;padding:0 12px;overflow-x:auto;scrollbar-width:none}
#chips::-webkit-scrollbar{display:none}
.chip{flex:none;display:flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:5px 14px 5px 5px;box-shadow:var(--sh);border:2px solid #fff;font-weight:700;font-size:14px}
.chip.sos{border-color:var(--bad)}.chip small{display:block;color:var(--mut);font-weight:600;font-size:11px;line-height:1.1}
.chip .avatar{width:34px;height:34px;font-size:15px}
.mapbtns{position:absolute;top:calc(68px + env(safe-area-inset-top));right:12px;z-index:500;display:flex;flex-direction:column;gap:8px}
.mapbtns button{width:46px;height:46px;padding:0;font-size:20px;background:#fff;box-shadow:var(--sh);border:0}
#btnClearHist{width:auto;padding:0 14px;font-size:14px;height:40px}
h2{margin:4px 0 14px;font-size:26px;letter-spacing:-.5px}h3{margin:24px 0 8px}
label{display:block;margin:12px 0;color:var(--mut);font-size:14px;font-weight:600}
#tab-set button{margin:4px 4px 4px 0}
#tabbar{position:absolute;left:12px;right:12px;bottom:calc(8px + env(safe-area-inset-bottom));height:var(--tab);display:flex;background:#fff;border-radius:26px;box-shadow:0 6px 24px rgba(24,36,47,.18);z-index:900;padding:6px}
#tabbar button{flex:1;border:0;border-radius:20px;background:none;font-size:20px;display:flex;flex-direction:column;align-items:center;gap:0;padding:4px 0;color:var(--mut);box-shadow:none}
#tabbar button span{font-size:11px;font-weight:700}#tabbar .on{color:var(--pri);background:#F1E9FF}
.tab{inset:0 0 calc(var(--tab) + 16px + env(safe-area-inset-bottom)) 0}
#sos{position:absolute;right:16px;bottom:calc(var(--tab) + 28px + env(safe-area-inset-bottom));width:72px;height:72px;border-radius:50%;background:var(--bad);border:0;z-index:950;box-shadow:0 6px 20px rgba(242,63,84,.55);padding:0;touch-action:none;user-select:none;-webkit-user-select:none}
#sos b{position:relative;font-size:19px;color:#fff;letter-spacing:.5px}
#sos svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
#sos circle{fill:none;stroke:#fff;stroke-width:3;stroke-dasharray:126;stroke-dashoffset:126}
#sos.hold circle{animation:fill 1.5s linear forwards}@keyframes fill{to{stroke-dashoffset:0}}
.person{display:flex;gap:12px;background:var(--card);border-radius:22px;padding:14px;margin-bottom:12px;align-items:center;flex-wrap:wrap;box-shadow:var(--sh)}
.avatar{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;flex:none;border:3px solid #fff;box-shadow:0 0 0 2px var(--line)}
.person .info{flex:1;min-width:140px}.person .name{font-weight:800;font-size:17px}
.acts{display:flex;gap:6px;flex-wrap:wrap;width:100%}.acts button,.acts a{padding:8px 14px;font-size:14px;text-decoration:none;color:var(--pri);border:0;border-radius:999px;background:#F1E9FF;font-weight:700}
.acts [data-a=ping]{background:#FFF1E3;color:var(--orange)}.acts [data-a=del]{background:#FFE9EC;color:var(--bad)}
.sosflag{color:var(--bad);font-weight:800}
.place{display:flex;justify-content:space-between;align-items:center;background:#fff;border-radius:18px;padding:12px 14px;margin-top:10px;box-shadow:var(--sh)}
#chatList{display:flex;flex-direction:column;gap:8px;padding-bottom:70px}
.msg{max-width:85%;padding:9px 14px;border-radius:20px 20px 20px 6px;background:#fff;box-shadow:var(--sh)}
.msg.me{align-self:flex-end;background:var(--pri);color:#fff;border-radius:20px 20px 6px 20px}.msg small{display:block;color:var(--mut);font-size:11px;font-weight:700}.msg.me small{color:#d9c8ff}
.msg.event{align-self:center;background:#E4EFFA;color:var(--txt);font-size:13px;text-align:center;box-shadow:none;border-radius:999px}
#chatForm{position:fixed;left:12px;right:12px;bottom:calc(var(--tab) + 16px + env(safe-area-inset-bottom));display:flex;gap:6px;padding:8px;background:#fff;border-radius:999px;box-shadow:var(--sh);z-index:800}
#chatForm input{margin:0;border:0}
#sosOverlay,#pingOverlay{position:fixed;inset:0;z-index:2000;background:var(--bad);color:#fff;display:grid;place-items:center;padding:20px;animation:blink 1s infinite alternate}
#pingOverlay{background:var(--blue);animation:none}
@keyframes blink{to{background:#a3152a}}
.sosbox{text-align:center;max-width:420px;width:100%}.sosbox h1{font-size:34px;margin:0 0 8px}
#sosBtns{display:flex;flex-direction:column;gap:10px;margin-top:16px}
#sosBtns a,#sosBtns button,#pingOverlay .primary{display:block;padding:15px;border-radius:999px;background:#fff;color:#a3152a;font-weight:800;text-decoration:none;border:0;box-shadow:none;width:100%}
#pingOverlay .primary{color:var(--blue)}
dialog{border:0;border-radius:24px;background:#fff;color:var(--txt);width:min(92vw,380px);box-shadow:0 20px 60px #0004}
dialog::backdrop{background:#18242f99}
dialog .row button{flex:1}
#toast{position:fixed;left:50%;top:calc(70px + env(safe-area-inset-top));transform:translateX(-50%);background:var(--txt);color:#fff;padding:10px 18px;border-radius:999px;z-index:3000;max-width:90vw;font-weight:600;font-size:14px}
.pin{width:42px;height:42px;border-radius:50%;border:3px solid #fff;color:#fff;font-weight:800;display:grid;place-items:center;box-shadow:0 4px 12px rgba(0,0,0,.35)}
.pin.sos{animation:pulse .8s infinite alternate}@keyframes pulse{to{transform:scale(1.3)}}

/* ===== v3 visual ===== */
.leaflet-tile-pane{filter:saturate(.2) brightness(1.14) contrast(.78) hue-rotate(-10deg)}
.leaflet-container{background:#EAF2F8}
.card .hero{width:100%;height:auto;margin:-6px 0 4px}
#topbar{position:absolute;top:calc(12px + env(safe-area-inset-top));left:12px;z-index:500;display:flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:6px 14px 6px 6px;box-shadow:var(--sh);font-weight:800}
#topbar img{width:30px;height:30px;border-radius:9px}#topbar span{color:var(--mut);font-weight:600;font-size:13px}
#sos{top:calc(10px + env(safe-area-inset-top));bottom:auto;width:58px;height:58px}#sos b{font-size:16px}
.mapbtns{top:calc(78px + env(safe-area-inset-top))}
#sheet{position:absolute;left:0;right:0;bottom:calc(var(--tab) + 22px + env(safe-area-inset-bottom));z-index:600;display:flex;gap:10px;overflow-x:auto;padding:4px 16px 8px;scroll-snap-type:x mandatory;scrollbar-width:none}
#sheet::-webkit-scrollbar{display:none}
.scard{flex:none;width:min(84vw,330px);scroll-snap-align:center;background:#fff;border-radius:26px;padding:14px;box-shadow:0 8px 28px rgba(24,36,47,.2);border:2px solid #fff}
.scard.sos{border-color:var(--bad)}
.srow{display:flex;align-items:center;gap:12px}.sinfo{flex:1;min-width:0}.sinfo b{font-size:18px}.sstat{font-weight:700;color:var(--pri);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sacts{display:flex;gap:8px;margin-top:12px}
.sacts button,.sacts a{flex:1;display:flex;flex-direction:column;align-items:center;gap:0;padding:8px 0;border:0;border-radius:16px;background:#F1E9FF;font-size:20px;text-decoration:none;color:var(--pri)}
.sacts small{font-size:11px;font-weight:800}.sacts .o{background:#FFF1E3;color:var(--orange)}.sacts .g{background:#E3F8EE;color:var(--ok)}
.batt{--p:100;width:46px;height:46px;border-radius:50%;background:conic-gradient(var(--ok) calc(var(--p)*1%),#E4EFFA 0);display:grid;place-items:center;position:relative;flex:none}
.batt::before{content:"";position:absolute;inset:5px;border-radius:50%;background:#fff}.batt span{position:relative;font-size:12px;font-weight:800}
.batt.low{background:conic-gradient(var(--bad) calc(var(--p)*1%),#E4EFFA 0)}
.avatar{display:grid;place-items:center;border-radius:50%;flex:none;border:3px solid #fff;box-shadow:0 0 0 2px var(--line)}
.tp{background:none!important;border:0!important}
.tpin{position:absolute;left:0;top:0;width:48px;height:48px;background:var(--c);border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 6px 14px rgba(0,0,0,.35);display:grid;place-items:center}
.tface{transform:rotate(45deg);width:38px;height:38px;border-radius:50%;overflow:hidden;background:#fff;display:grid;place-items:center}
.tface .avatar{border:0;box-shadow:none}
.tpin.sos{animation:pulse2 .8s infinite alternate}@keyframes pulse2{to{transform:rotate(-45deg) scale(1.25)}}
.bub{position:absolute;left:50%;bottom:66px;transform:translateX(-50%);white-space:nowrap;background:#fff;border-radius:999px;padding:4px 12px;font-weight:800;font-size:12px;box-shadow:0 3px 10px rgba(0,0,0,.25)}
.bub.sos{background:var(--bad);color:#fff}
.pbadge{width:38px;height:38px;border-radius:12px;background:#0085FF;border:3px solid #fff;display:grid;place-items:center;font-size:19px;box-shadow:0 3px 10px rgba(0,0,0,.3)}
.plabel{position:absolute;left:50%;top:42px;transform:translateX(-50%);white-space:nowrap;font-size:11px;font-weight:800;background:#fffd;border-radius:8px;padding:1px 8px}
#avEdit{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px}#avEdit .emos{display:flex;gap:4px;flex-wrap:wrap;width:100%}
#avEdit .emos button{padding:6px;font-size:22px;border-radius:14px;line-height:1}
.icons{display:flex;gap:6px;margin:8px 0}.icons label{margin:0}.icons input{display:none}.icons span{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--bg);font-size:22px;border:2px solid transparent}
.icons input:checked+span{border-color:var(--pri);background:#F1E9FF}
.radar{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;overflow:hidden}
.radar i{position:absolute;width:120px;height:120px;border-radius:50%;border:3px solid #fff8;animation:ring 2.4s infinite}
.radar i:nth-child(2){animation-delay:.8s}.radar i:nth-child(3){animation-delay:1.6s}
@keyframes ring{from{transform:scale(.4);opacity:1}to{transform:scale(6);opacity:0}}
.sosbox{position:relative}
.person .avatar{width:56px;height:56px}