:root{--ink:#173247;--muted:#6c7e8b;--bg:#eef5f7;--card:#fff;--teal:#087b83;--teal2:#0fa3a8;--green:#1b9a68;--amber:#e6a225;--red:#d64f4f;--line:#d8e4e8;--shadow:0 10px 30px rgba(21,55,70,.09);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#e8f5f6 0,#f5f8f9 340px);-webkit-tap-highlight-color:transparent}.hidden{display:none!important}.app-shell{max-width:1050px;margin:auto;padding:0 18px 100px}.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 2px 15px}.topbar h1{font-size:22px;margin:2px 0}.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:850;color:var(--teal);margin:0}.head-actions{display:flex;gap:8px;align-items:center}.badge,.count-pill,.mode{display:inline-flex;align-items:center;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800}.badge.ok{background:#d9f5e9;color:#08704b}.badge.bad{background:#ffe0e0;color:#a22626}.badge.neutral,.count-pill{background:#e2eaed;color:#526874}.icon-btn{border:0;background:var(--card);width:36px;height:36px;border-radius:50%;box-shadow:var(--shadow);font-size:22px}.panel{display:none}.panel.active{display:block}.safety-banner{display:flex;gap:12px;align-items:center;color:white;padding:17px;border-radius:18px;background:linear-gradient(135deg,#148e70,#087b83);box-shadow:var(--shadow)}.safety-banner.unsafe{background:linear-gradient(135deg,#d94d4d,#9e2632)}.safety-banner div{flex:1}.safety-banner strong,.safety-banner small{display:block}.safety-banner small{opacity:.8;margin-top:3px}.pulse{width:12px;height:12px;border-radius:50%;background:#abffd8;box-shadow:0 0 0 6px #ffffff24}.mode{background:#ffffff24;color:#fff}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 24px}.metric-grid article{background:var(--card);padding:14px;border-radius:15px;box-shadow:var(--shadow)}.metric-grid span{display:block;color:var(--muted);font-size:12px}.metric-grid strong{font-size:22px}.metric-grid small{font-size:11px;color:var(--muted);margin-left:3px}.section-head{display:flex;justify-content:space-between;align-items:end;margin:20px 0 12px}.section-head h2,#devicePanel h2{margin:3px 0 0;font-size:23px}.zone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.zone-card{border:1px solid transparent;background:var(--card);text-align:left;padding:14px;border-radius:17px;box-shadow:var(--shadow);color:var(--ink);cursor:pointer}.zone-card.active{border-color:#6fd2d3;background:linear-gradient(145deg,#fff,#e8fbfa)}.zone-card.warning{border-color:#f4c36c}.zone-head{display:flex;justify-content:space-between;gap:8px}.zone-no{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:9px;background:#e4eff1;color:var(--teal);font-weight:850;font-size:12px}.state-dot{width:9px;height:9px;margin-top:7px;border-radius:50%;background:#a9b7bd}.active .state-dot{background:var(--teal2);box-shadow:0 0 0 5px #0fa3a820}.zone-card h3{font-size:14px;margin:12px 0}.zone-pressure{font-size:23px;font-weight:850}.zone-pressure small{font-size:11px;color:var(--muted)}.zone-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-top:10px}.notice{display:flex;gap:10px;margin-top:18px;padding:14px;border-left:4px solid var(--amber);background:#fff8e7;border-radius:12px;font-size:12px}.notice span{color:#65737b}.chart-card,.control-card{background:var(--card);border-radius:18px;padding:17px;box-shadow:var(--shadow);margin-bottom:14px}.chart-card canvas{width:100%;height:auto;max-height:410px}.legend{display:flex;gap:17px;font-size:12px;color:var(--muted);justify-content:center}.legend span:before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}.legend .p:before{background:#087b83}.legend .t:before{background:#e6a225}.legend .h:before{background:#6775cf}select,input{border:1px solid #bfcfd5;border-radius:10px;padding:11px;background:#fff;color:var(--ink)}.alarm-list{display:grid;gap:10px}.alarm-item{background:#fff;border-radius:15px;padding:14px;box-shadow:var(--shadow);border-left:5px solid var(--amber)}.alarm-item.critical{border-color:var(--red)}.alarm-item header{display:flex;justify-content:space-between}.alarm-item p{margin:7px 0;color:#536874}.alarm-item small{color:var(--muted)}.empty{text-align:center;padding:40px;color:var(--muted);background:#fff;border-radius:18px}.control-card h3{margin-top:0}.control-card p{color:var(--muted);line-height:1.5}.button-row{display:flex;gap:10px}.primary,.secondary,.danger,.ghost{border:0;border-radius:11px;padding:12px 16px;font-weight:800;cursor:pointer}.primary{background:var(--teal);color:#fff}.secondary{background:#dff2f2;color:#076e75}.danger{background:#ffe2e2;color:#a42828}.ghost{background:#edf1f3;color:#4d606a}.full{width:100%}dl{margin:0}dl div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0}dd{font-weight:800}.bottom-nav{position:fixed;z-index:20;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,1050px);display:grid;grid-template-columns:repeat(4,1fr);background:#ffffffee;backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom));box-shadow:0 -5px 25px #1232}.bottom-nav button{position:relative;border:0;background:transparent;color:#72848e;font-size:10px;font-weight:750;padding:6px}.bottom-nav button span{display:block;font-size:20px;height:23px}.bottom-nav button.active{color:var(--teal)}.dot{position:absolute;width:7px;height:7px;background:var(--red);border-radius:50%;top:4px;margin-left:2px}.login-view{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(100%,420px);background:#fff;padding:30px;border-radius:24px;box-shadow:var(--shadow);text-align:center}.login-card h1{margin:5px}.login-card label{text-align:left;display:block;font-weight:800;font-size:13px;margin:14px 0}.login-card input{display:block;width:100%;margin-top:6px}.muted,.demo-note{color:var(--muted)}.demo-note{font-size:11px}.error{color:var(--red);min-height:20px;font-size:13px}.zone-dialog{width:min(94%,520px);border:0;border-radius:22px;padding:22px;box-shadow:0 30px 90px #102c}.zone-dialog::backdrop{background:#102d3c99;backdrop-filter:blur(3px)}.close{float:right;border:0;background:#edf2f3;border-radius:50%;font-size:25px;width:34px;height:34px}.detail-title{margin:0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.detail-grid div{background:#eff5f6;padding:12px;border-radius:12px}.detail-grid span{display:block;font-size:11px;color:var(--muted)}.detail-grid strong{font-size:18px}.toast{position:fixed;z-index:50;bottom:92px;left:50%;transform:translate(-50%,20px);background:#173247;color:white;padding:12px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;max-width:90%;text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}
.support-note{display:block;color:var(--muted);margin-top:12px;line-height:1.4}.ble-connected{color:var(--green)!important;font-weight:750}.ble-error{color:var(--red)!important}
@media(max-width:700px){.metric-grid{grid-template-columns:1fr 1fr}.zone-grid{grid-template-columns:1fr 1fr}.zone-card{padding:12px}.topbar{padding-top:calc(15px + env(safe-area-inset-top))}}
@media(min-width:701px) and (max-width:900px){.zone-grid{grid-template-columns:repeat(3,1fr)}}