:root{--bg:#eef2f6;--card:#fff;--ink:#0f1f33;--mut:#64748b;--line:#e2e8f0;--brand:#1e3a8a;--brand2:#0b1f4d;--blue:#2563eb;--green:#16a34a;--amber:#d97706;--red:#dc2626;--violet:#7c3aed;--water:#38bdf8}
*{box-sizing:border-box}body{margin:0;font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--blue);text-decoration:none}
header.top{background:linear-gradient(110deg,#0b1f4d 0%,#132f6b 55%,#1d4396 100%);color:#fff}
header.top .in{max-width:1360px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
header.top h1{margin:0;font-size:19px;font-weight:700;letter-spacing:.2px}
header.top .sub{opacity:.82;font-size:12.5px}
header.top .right{margin-left:auto;font-size:12px;opacity:.85;text-align:right}
.logo{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.14);display:grid;place-items:center;font-size:20px}
.wrap{max-width:1360px;margin:0 auto;padding:14px}
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:stretch}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 1px 2px rgba(15,31,51,.04)}
h2{font-size:15px;margin:0 0 10px;font-weight:650}
.mut{color:var(--mut)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.badge{display:inline-block;font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap}
.b-online{background:#dcfce7;color:#166534}.b-late{background:#fef3c7;color:#92400e}.b-offline,.b-nodata{background:#e2e8f0;color:#475569}.b-waiting{background:#e0f2fe;color:#075985}
.b-live{background:#dcfce7;color:#166534}.b-imported{background:#e0e7ff;color:#3730a3}.b-test{background:#fae8ff;color:#86198f}
.b-warn{background:#fee2e2;color:#991b1b}.b-ok{background:#f1f5f9;color:#334155}.b-info{background:#e0f2fe;color:#075985}
.low{color:var(--red);font-weight:650}
select,button,input{font:inherit;border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;color:var(--ink)}
button{cursor:pointer}button.act,.btn-p{background:var(--brand);border-color:var(--brand);color:#fff}
.seg{display:inline-flex}.seg button{border-radius:0;margin-left:-1px}.seg button:first-child{border-radius:8px 0 0 8px}.seg button:last-child{border-radius:0 8px 8px 0}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:nowrap}
th{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--mut);position:sticky;top:0;background:#fff;z-index:1}
.tblwrap{overflow:auto;max-height:520px}
.empty{padding:30px;text-align:center;color:var(--mut)}
footer{color:var(--mut);font-size:12px;text-align:center;padding:20px}
/* tank graphic */
.tank{position:relative;width:46px;height:96px;border:2px solid #94a3b8;border-radius:8px 8px 10px 10px;background:#f8fafc;overflow:hidden;flex:none}
.tank .fill{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,#7dd3fc,#0284c7);transition:height .8s}
.tank .fill.warn{background:linear-gradient(180deg,#fca5a5,#dc2626)}
.tank .fill.mid{background:linear-gradient(180deg,#fde68a,#d97706)}
.tank .pct{position:absolute;inset:0;display:grid;place-items:center;font-weight:800;font-size:12px;color:#0f1f33;text-shadow:0 0 3px #fff}
.tank.big{width:110px;height:210px;border-width:3px}.tank.big .pct{font-size:22px}
.tank .tick{position:absolute;left:0;width:8px;border-top:1px solid #94a3b8}
.dot{width:11px;height:11px;border-radius:50%;display:inline-block;background:#9aa6b8;vertical-align:middle}
.dot.on{background:var(--green);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.55)}70%{box-shadow:0 0 0 12px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}
.flash{animation:flash 2.5s ease-out}@keyframes flash{0%{background:#bbf7d0}100%{background:var(--card)}}
@media(max-width:640px){.wrap{padding:10px}.panel{padding:12px;border-radius:12px}header.top .right{margin-left:0;text-align:left}}
@media print{header.top,.noprint,.toolbar button,.toolbar select{display:none!important}body{background:#fff}.panel{box-shadow:none;border:none}.tblwrap{max-height:none;overflow:visible}}
/* ---- user management / login / forms (27 Oct 2026) ---- */
.umenu{margin-left:auto;position:relative;font-size:13px}
header.top .right+.umenu{margin-left:6px}
.umenu summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff}
.umenu summary::-webkit-details-marker{display:none}
.umenu .av{width:32px;height:32px;border-radius:50%;background:#fff;color:var(--brand2);display:grid;place-items:center;font-weight:800}
.umenu .uw{display:flex;flex-direction:column;line-height:1.15}.umenu .uw small{opacity:.8;font-size:11px;text-transform:uppercase;letter-spacing:.4px}
.umenu .dd{position:absolute;right:0;top:calc(100% + 6px);background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(11,31,77,.18);min-width:230px;z-index:50;overflow:hidden}
.umenu .dd a,.umenu .dd button{display:block;width:100%;text-align:left;padding:9px 14px;color:var(--ink);border:none;border-top:1px solid var(--line);border-radius:0;background:#fff;font-size:13.5px}
.umenu .dd a:hover,.umenu .dd button:hover{background:#f1f5f9}
.umenu .ddh{padding:10px 14px;background:#f8fafc}.umenu .ddh small{display:block;color:var(--mut)}
@media(max-width:640px){.umenu .uw{display:none}}
.loginbg{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(140deg,#0b1f4d,#1d4396 60%,#eef2f6 60%)}
.loginbox{background:#fff;border-radius:16px;padding:30px 30px 24px;width:min(400px,92vw);box-shadow:0 20px 50px rgba(11,31,77,.25);text-align:center}
.loginbox h1{margin:8px 0 2px;font-size:21px;color:var(--brand2)}.loginbox h2{font-size:15px;margin:0 0 12px}
.loginbox .logo.big{width:58px;height:58px;font-size:30px;background:#e0f2fe;margin:0 auto}
.loginbox form{display:flex;flex-direction:column;gap:10px;text-align:left}
.loginbox label,.fgrid label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;font-weight:600;color:#334155}
.loginbox input,.fgrid input,.fgrid select{padding:9px 11px;font-weight:400}
.btn-p.wide{padding:10px;font-weight:700;font-size:15px;margin-top:4px}
.loginbg footer{color:#64748b}
.alert{padding:9px 12px;border-radius:10px;margin:8px 0;font-size:13.5px}.alert.err{background:#fee2e2;color:#991b1b}.alert.ok{background:#dcfce7;color:#166534}
.formpanel{max-width:900px;margin:10px auto}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}.fgrid.one{grid-template-columns:1fr}.fgrid .full{grid-column:1/-1}
.fgrid label.chk{flex-direction:row;align-items:center;gap:8px;align-self:end;padding-bottom:10px}
.fgrid input[readonly]{background:#f1f5f9;color:#475569}
@media(max-width:640px){.fgrid{grid-template-columns:1fr}}
.btns{display:flex;gap:8px;justify-content:flex-end}
.tankpick{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:4px 10px;max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:8px}
.tankpick label{flex-direction:row;align-items:center;gap:6px;font-weight:400;font-size:12.5px}.tankpick small{color:var(--mut)}
.devchip{display:inline-block;background:#eef6fb;border:1px solid #cfe3ee;border-radius:999px;padding:1px 8px;margin:2px;font-size:12px;font-family:ui-monospace,Menlo,Consolas,monospace}
.plus{font-size:17px;margin-left:4px}
td.acts{display:flex;gap:6px;align-items:center}td.acts a,td.acts button{font-size:15px;padding:3px 7px;border:1px solid var(--line);border-radius:8px;background:#fff}
td.acts form{margin:0}td.acts .del:hover{background:#fee2e2}
tr.inactive td{opacity:.55}
.ok{color:var(--green)}
/* tank editor modal */
.mbg{position:fixed;inset:0;background:rgba(15,31,51,.45);z-index:100;display:flex;align-items:flex-start;justify-content:center;overflow:auto;padding:30px 10px}
.mdl{background:#fff;border-radius:14px;width:min(720px,100%);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.mdl .mh{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}.mdl .mh h3{margin:0;font-size:16px;flex:1}
.mdl .mh .x{border:none;font-size:22px;line-height:1;background:none}
.mdl .mb{padding:16px 18px}.mdl .mf{padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;align-items:center}
.mdl .hint{font-size:11.5px;color:var(--red);font-weight:400}.mdl .formula{font-size:12.5px;color:#b91c1c;background:#fef2f2;border-radius:8px;padding:6px 10px}
.mdl .prev{background:#f0f9ff;border:1px solid #bae6fd;border-radius:10px;padding:8px 12px;font-size:13px}
.mdl input.bad,.mdl select.bad{border-color:var(--red);background:#fff5f5}
.mdl .hist{max-height:160px;overflow:auto;font-size:12px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:12px}
.stat .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:18px}
.stat b{font-size:22px;display:block;line-height:1.1}.stat small{color:var(--mut);font-size:12px}
.sect{display:flex;align-items:center;gap:10px;margin:18px 0 10px;flex-wrap:wrap}.sect h2{margin:0}
.mdl{display:flex;flex-direction:column;max-height:calc(100vh - 40px)}.mdl .mb{overflow:auto}
.mbg{padding:20px 10px}
/* device type (level / pressure) */
.dtype{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.dtype>b{margin-right:4px}
.dtype label.dt{flex-direction:row;align-items:center;gap:8px;border:2px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;font-weight:650;min-width:190px}
.dtype label.dt small{display:block;font-weight:400;color:var(--mut);font-size:11.5px}.dtype label.dt.on{border-color:var(--brand);background:#eef6fb}
.dtype label.dt input{width:auto}
.blk{grid-column:1/-1}
.pgauge{flex:none;display:block}

/* EIP branding */
.logo.brandlogo{width:auto;height:46px;padding:4px 7px;background:#fff;border-radius:10px;box-shadow:0 1px 4px rgba(0,0,0,.25);display:flex;align-items:center}
.logo.brandlogo img{height:100%;width:auto;display:block}
.loginlogo{display:block;height:64px;width:auto;margin:0 auto 10px}
@media(max-width:560px){.logo.brandlogo{height:38px}}
/* custom date range */
.rangebox{display:none;align-items:center;gap:6px;flex-wrap:wrap}.rangebox.on{display:inline-flex}
.rangebox input[type=date],.toolbar input[type=date]{padding:5px 8px;min-width:0}.rangebox .btn-p{padding:6px 12px}
.rerr{color:var(--red);font-size:12px;font-weight:600}
@media(max-width:640px){.seg#ranges{flex-wrap:wrap}.rangebox.on{display:flex;width:100%}.rangebox input[type=date]{flex:1 1 120px}}
/* time-zone note on its own line under the subtitle */
.tz{display:block;font-size:.92em;opacity:.85;margin-top:1px;letter-spacing:.2px}
.loginbox .tz{margin-top:2px}