:root{--ink:#182c3a;--muted:#5c6d77;--paper:#fff;--line:#d8dfe3;--ground:#eef1f2;--blue:#275b7a;--live:#256947;--amber:#865b13;--mono:Consolas,'Courier New',monospace}
*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);font:14px/1.5 'Segoe UI',Arial,sans-serif}a{color:inherit}button,select{font:inherit}button,select,a{-webkit-tap-highlight-color:transparent}button,select{border:1px solid #aebcc5;background:#fff;color:var(--ink);border-radius:3px;padding:8px 12px}button{font-weight:600;cursor:pointer}button:hover{background:#eaf0f4}button:disabled{opacity:.5;cursor:default}:focus-visible{outline:3px solid #d38c22;outline-offset:4px}[hidden]{display:none!important}.skip-link{position:absolute;left:12px;top:-80px;z-index:10;background:#fff;padding:12px}.skip-link:focus{top:12px}
.masthead{min-height:88px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:18px 32px;border-bottom:3px solid #c49447;gap:20px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-size:20px;font-weight:700;letter-spacing:2px}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:1.1px;color:#c1ced6;margin-top:2px}.brand-mark{display:block;position:relative;font:700 26px var(--mono);border:1px solid #718692;width:42px;height:44px;text-align:center;line-height:42px}.brand-mark span{position:absolute;right:-5px;top:-11px;font-size:17px;background:var(--ink);height:17px;line-height:17px;color:#d7b075}.masthead-meta{text-align:right;font:12px var(--mono);color:#d3dfe5}.system-label{display:block;font:10px 'Segoe UI',sans-serif;letter-spacing:1.5px;color:#a5b8c5;margin-bottom:8px}.masthead-meta .error{color:#ffcf8a}
.workspace{display:grid;grid-template-columns:218px minmax(0,1fr);max-width:1800px;margin:auto}.sidebar{border-right:1px solid var(--line);background:#f8f9fa;padding:30px 15px;display:flex;flex-direction:column;min-height:calc(100vh - 88px)}.nav-label{font-size:10px;font-weight:700;letter-spacing:1.3px;color:var(--muted);margin:0 13px 14px}nav{display:grid;gap:5px}nav a{text-decoration:none;display:flex;align-items:center;gap:10px;padding:12px 10px;border-left:3px solid transparent;font-size:12px;font-weight:600}nav a:hover{background:#edf1f4}nav a.active{background:#e4ebf0;border-left-color:var(--blue);color:#1d4f70}.nav-number{font:11px var(--mono);color:#657f90}.sidebar-note{border-top:1px solid var(--line);margin:30px 12px 0;padding-top:22px;font-size:11px}.sidebar-note .nav-label{margin-left:0}.sidebar-note p{margin-bottom:9px}.status-dot{display:inline-block;width:7px;height:7px;background:#8b98a2;margin-right:6px}.status-dot.live{background:var(--live)}.status-dot.stale{background:var(--amber)}.sheet-id{margin:40px 12px 0;padding-top:20px;border-top:1px solid var(--line);font:10px/1.8 var(--mono);color:var(--muted)}main{padding:0 34px 24px;min-width:0}.sheet-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.4px}.sheet-toolbar button{font-size:11px;padding:6px 12px}.slash{margin:0 10px;color:#93a0a9}
.page-title{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:31px 0 25px}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:1.3px;font-weight:700;margin:0 0 9px;color:var(--muted)}h1{font-size:30px;line-height:1.2;letter-spacing:-.7px;margin:0 0 8px;font-weight:600}h2{font-size:15px;line-height:1.4;font-weight:650;margin:0}h3{font-size:17px;margin:18px 0 3px;font-weight:600}p{margin:0 0 10px}.muted{color:var(--muted)}.small{font-size:11px}.page-title .muted{font-size:13px;margin:0}.pill{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;background:#edf0f2;border:1px solid #d5dde2;padding:4px 7px;border-radius:2px;color:#596975;font:10px var(--mono)}.pill:before{content:'';width:5px;height:5px;background:currentColor}.pill.live{background:#edf5ef;border-color:#c5ddcb;color:var(--live)}.pill.stale{background:#fcf5e8;border-color:#e5d4b3;color:var(--amber)}.page-title>.pill{margin-top:6px}
.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);background:var(--paper);margin-bottom:30px}.summary{padding:18px 23px;border-right:1px solid var(--line)}.summary:last-child{border:0}.summary .eyebrow{margin-bottom:6px}.big{font:30px/1.25 var(--mono);letter-spacing:-1px;margin-bottom:7px}.summary .muted{font-size:11px;margin:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 0 15px}.section-heading p{margin:6px 0 0}.section-number{font:11px var(--mono);color:#7790a0;margin-right:9px}.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-bottom:26px}.device-card{display:block;background:var(--paper);border:1px solid var(--line);border-top:3px solid #7590a2;padding:19px 19px 0;text-decoration:none;min-width:0;transition:border-color .15s,box-shadow .15s}.device-card:hover{border-color:var(--blue);box-shadow:0 3px 10px #182c3a0d}.card-top,.card-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px}.station-id{font:11px var(--mono);color:var(--blue);letter-spacing:1px}.hero-label{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:23px 0 5px}.hero-value{font:26px/1.3 var(--mono);letter-spacing:-.6px;margin:0 0 13px;overflow-wrap:anywhere}.card-bottom{margin-top:20px;padding:12px 0;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.card-bottom span:last-child{color:var(--blue);font-weight:600}
.card{background:var(--paper);border:1px solid var(--line);padding:22px;margin-bottom:20px;min-width:0}.sheet-tag{font:9px var(--mono);letter-spacing:1px;color:var(--muted);border:1px solid var(--line);padding:5px 8px;white-space:nowrap}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:12px}th{background:#f2f5f6;color:#4d626f;font-size:10px;letter-spacing:.5px;text-transform:uppercase;font-weight:600;border-top:1px solid var(--line);border-bottom:1px solid #bdcbd4;padding:11px 12px;white-space:nowrap}td{padding:12px;border-bottom:1px solid #e5e9ec;vertical-align:top}td:first-child{white-space:nowrap;font:11px/1.6 var(--mono);color:#4a6373}.reported-value{font-family:var(--mono);font-weight:600}.register td:nth-child(4){white-space:nowrap;font-size:11px;color:var(--muted)}.register th:nth-child(3){min-width:160px}.station-cell{color:var(--blue);text-decoration:none}.station-cell:hover{text-decoration:underline}.table-value{display:inline-block;margin:0 16px 5px 0;font-family:var(--mono);font-size:11px}.table-value b{font-family:'Segoe UI',sans-serif;font-weight:600}.method-note{font-size:11px;color:var(--muted);line-height:1.8;max-width:1000px;margin:16px 0 24px;padding-left:13px;border-left:2px solid #c49447}.method-note strong{color:var(--ink);margin-right:8px}.notice{padding:12px 16px;background:#fcf5e8;border:1px solid #e5d4b3;color:#704c11;font-size:12px}.device-meta{font:11px/1.8 var(--mono);color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:25px}.reading-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:27px}.reading{background:var(--paper);border:1px solid var(--line);padding:17px}.reading .eyebrow{line-height:1.5}.literal{font:22px/1.5 var(--mono);margin:0;overflow-wrap:anywhere}.reading.status-reading .literal{font-size:13px}.empty-state{padding:25px;color:var(--muted);font-size:12px;border:1px dashed #cad4db;background:#f8fafb;text-align:center;grid-column:1/-1;margin:0 0 12px}
.controls{display:flex;flex-wrap:wrap;gap:10px}.controls label{display:grid;gap:4px;font-size:10px;color:var(--muted);font-weight:600}.controls select{font-size:12px;max-width:290px;width:100%;min-width:135px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:#f5f7f8;border:1px solid var(--line);margin:20px 0}.stat{padding:12px 18px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat small{text-transform:uppercase;font-size:9px;letter-spacing:.7px;color:var(--muted)}.stat-value{font:18px/1.5 var(--mono);margin-top:4px;overflow-wrap:anywhere}svg{width:100%;height:auto;display:block;min-height:160px}svg text{font-family:var(--mono)}.chart-caption{margin:8px 0 22px;min-height:17px}.table-heading{border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.table-heading button{font-size:11px}.table-note{margin:14px 0 0;line-height:1.8}.diagnostic{border:1px solid var(--line);background:#f8fafb;font-size:12px;margin:20px 0}.diagnostic summary{cursor:pointer;padding:14px 17px;font-weight:600}.diagnostic pre{border-top:1px solid var(--line);padding:16px;margin:0;max-height:360px;overflow:auto;font:11px/1.8 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere}footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:30px;color:var(--muted);font-size:9px;letter-spacing:.4px}
@media(min-width:1500px){main{padding-left:48px;padding-right:48px}.device-card{padding:24px 24px 0}.hero-value{font-size:32px}}
@media(max-width:1150px){.workspace{grid-template-columns:180px minmax(0,1fr)}main{padding-left:20px;padding-right:20px}.sidebar{padding:25px 8px}nav a{font-size:11px;gap:6px;padding-left:6px}.device-grid{gap:10px}.device-card{padding:14px 12px 0}.card-top{align-items:flex-start;flex-direction:column}.hero-value{font-size:23px}.history-panel>.section-heading{align-items:flex-start;flex-direction:column}.section-heading>.small{max-width:180px;text-align:right}}
@media(max-width:760px){.masthead{padding:17px 20px;align-items:flex-start}.brand{font-size:16px;letter-spacing:1px}.brand small{font-size:8px}.masthead-meta{font-size:10px}.system-label{display:none}.workspace{display:block}.sidebar{min-height:auto;border-right:0;border-bottom:1px solid var(--line);padding:9px 12px}.sidebar>.nav-label,.sidebar-note,.sheet-id{display:none}nav{display:flex;overflow:auto;gap:5px}nav a{white-space:nowrap;padding:9px 12px;border-left:0;border-bottom:2px solid transparent}.nav-number{display:none}nav a.active{border-bottom-color:var(--blue)}main{padding:0 16px 22px}.page-title{padding-top:25px}h1{font-size:26px}.summary{padding:16px 12px}.big{font-size:26px}.summary .eyebrow{font-size:9px;letter-spacing:.5px}.summary .muted{font-size:10px}.device-grid{grid-template-columns:1fr}.card-top{flex-direction:row;align-items:center}.device-card{padding:18px 20px 0}.hero-value{font-size:29px}.hero-label{margin-top:15px}.device-card h3{margin-top:12px}.card{padding:17px}.section-heading{align-items:flex-start}.section-heading>.small{display:none}.sheet-tag{display:none}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.literal{font-size:19px}.controls{width:100%}.controls label{flex:1;min-width:0}.controls select{min-width:0}.table-heading{align-items:center}.table-heading button{white-space:nowrap}}
@media(max-width:420px){.masthead-meta{max-width:110px;line-height:1.6}.summary-grid{grid-template-columns:1fr}.summary{border-right:0;border-bottom:1px solid var(--line)}.page-title{flex-direction:column;gap:8px}.reading-grid{grid-template-columns:1fr}}
@media print{@page{size:A4 landscape;margin:12mm}body{background:white;font-size:11px}.masthead{background:white;color:#182c3a;border-bottom:2px solid #182c3a;padding:0 0 15px}.brand-mark{color:#182c3a;border-color:#182c3a}.brand-mark span{background:#fff}.brand small,.masthead-meta{color:#465d6b}.sidebar,.sheet-toolbar,button,.controls,.diagnostic,.skip-link{display:none!important}.workspace{display:block}main{padding:0}.page-title{padding:18px 0}.summary-grid,.device-card,.reading,.stats-grid{break-inside:avoid}.device-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.card{padding:14px}.table-wrap{overflow:visible}th,td{padding:7px}thead{display:table-header-group}tr{break-inside:avoid}.view[hidden]{display:none!important}.hero-value{font-size:24px}footer{margin-top:15px}.pill{border-color:#999}.chart-caption{margin-bottom:12px}a{text-decoration:none}}

.chart-tools{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0}.chart-tools label{font-size:11px;color:var(--muted)}.chart-tools select,.chart-tools button{font-size:11px;padding:6px 10px}.chart-cursor{font:11px/1.5 var(--mono);min-height:18px;color:var(--blue)}.history-panel svg{touch-action:none;user-select:none;cursor:crosshair}.sync-state{font:11px/1.8 var(--mono);padding:12px 15px;border:1px solid var(--line);background:#f8fafb;overflow-wrap:anywhere}@media print{.chart-tools{display:none}}