:root{font-family:Arial,sans-serif;color:#183040;background:#f3f6f8;font-size:16px;--green:#087c77;--muted:#647b88}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,.button{border:0;background:var(--green);color:white;border-radius:8px;padding:11px 16px;cursor:pointer;text-decoration:none}button:hover,.button:hover{filter:brightness(.92)}button:disabled{opacity:.5}button.secondary{background:#e8f0f2;color:#183040}input,select{border:1px solid #c9d6db;border-radius:7px;background:white;padding:12px;max-width:100%;color:#183040}label{display:grid;gap:8px;font-size:14px;font-weight:bold}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}aside{background:#143943;color:white;padding:28px 20px;display:flex;flex-direction:column;gap:25px}.brand{font-size:28px;font-weight:800;letter-spacing:-1px}.brand span{font-size:13px;letter-spacing:3px;margin-left:5px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:bold;opacity:.7;margin:0 0 12px}nav{display:grid;gap:10px}.nav{background:transparent;text-align:left;padding:14px 10px;color:#b5cbd0}.nav.active{background:#22525a;color:white}.aside-note{margin-top:auto;color:#c6dcdf;line-height:1.7}main{padding:30px 36px;min-width:0}header{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:24px}h1{font-size:27px;line-height:1.2;margin:0}h2{font-size:19px;margin:0 0 16px}p{line-height:1.6}small,.subtle{font-size:13px;color:var(--muted);line-height:1.6}.account{display:flex;gap:15px;align-items:center;font-size:14px}.toolbar{display:flex;align-items:end;gap:20px;margin-bottom:22px;flex-wrap:wrap}.toolbar select{min-width:270px}.badge{background:#ddf3ee;color:#0c7161;padding:10px 13px;font-size:12px;font-weight:bold;border-radius:30px;letter-spacing:.5px}.hero{background:#e5f1f0;border-left:4px solid var(--green);padding:24px;border-radius:10px;display:flex;justify-content:space-between;gap:20px}.hero h2{font-size:24px;margin:0}.hero p{margin-bottom:0;font-size:14px}.hero-clock{text-align:right;min-width:200px;display:flex;flex-direction:column;justify-content:center;gap:10px}.hero-clock span{font-size:10px;letter-spacing:1px}.hero-clock strong{font-size:16px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0}.metrics article{background:white;border:1px solid #dce5e9;padding:21px;border-radius:10px;display:grid;gap:13px}.metrics article>span{font-size:14px;color:var(--muted)}.metrics strong{font-size:27px;letter-spacing:-.5px}.metrics article:last-child strong{font-size:20px}.two-col{display:grid;grid-template-columns:1.35fr 1fr;gap:20px}.panel{background:white;padding:24px;border:1px solid #dce5e9;border-radius:12px;margin-bottom:20px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.section-head span{font-size:12px;color:var(--green)}#chart{height:240px;width:100%;display:flex;align-items:center;justify-content:center}svg{width:100%;height:100%}.water-diagram{display:flex;justify-content:center;align-items:center;gap:10px;margin:30px 0}.water-diagram>div:not(.pipe){display:grid;text-align:center;gap:12px}.tank{border:3px solid #69929d;border-top:0;width:110px;height:100px;background:linear-gradient(to top,#d2e9ed 35%,transparent 35%);border-radius:0 0 15px 15px}.tank.unverified{background:repeating-linear-gradient(45deg,#f3f6f8,#f3f6f8 8px,#e9eff2 8px,#e9eff2 16px)}.water-diagram strong{font-size:11px;letter-spacing:1px}.water-diagram span{font-size:19px}.pipe{font-size:28px;text-align:center;color:#69929d;display:grid;gap:5px}.pipe small{font-size:10px}.actions{display:flex;gap:10px;flex-wrap:wrap}.actions button{font-size:14px}.table-wrap{overflow:auto;max-height:500px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:13px;text-align:left;border-bottom:1px solid #e1e8eb;white-space:nowrap}th{background:#f0f5f6;position:sticky;top:0}.event{border-left:3px solid #e1ac47;padding:15px 18px;background:#faf8f2;margin-top:14px;display:flex;justify-content:space-between;gap:12px}.event strong{display:block}.event p{margin:8px 0;font-size:14px}.error{color:#a13939;background:#fff1ed;border-radius:6px;padding:10px}.error:empty{display:none}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;color:#314e5c}footer{font-size:12px;color:#84949d;margin-top:28px}.login-body{min-height:100vh;display:grid;place-items:center;background:#eaf1f3}.login-panel{width:min(480px,95%);background:white;padding:40px;border-radius:18px;box-shadow:0 15px 60px #17394012}.login-panel .brand{color:var(--green);margin-bottom:35px}.login-panel h1{font-size:30px}.login-panel form{display:grid;gap:20px;margin:25px 0}.login-panel small{display:block}#error{color:#ab3c3c}[hidden]{display:none!important}@media(max-width:1100px){.shell{grid-template-columns:185px 1fr}main{padding:24px}.metrics{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.hero-clock{min-width:150px}}@media(max-width:700px){.shell{display:block}aside{padding:18px;gap:15px}.brand{font-size:23px}aside>.eyebrow,.aside-note{display:none}nav{display:flex;overflow:auto;gap:5px}.nav{font-size:13px;white-space:nowrap;padding:10px}main{padding:20px 14px}header{align-items:start}h1{font-size:23px}.account{flex-direction:column;gap:7px;font-size:12px}.account button{padding:8px;font-size:12px}.toolbar{gap:10px;align-items:center}.toolbar label{width:100%}.toolbar select{min-width:0;width:100%}.hero{flex-direction:column}.hero-clock{text-align:left}.metrics{gap:10px}.metrics article{padding:16px}.metrics strong{font-size:25px}.panel{padding:18px}.section-head{flex-wrap:wrap}.tank{width:90px}.login-panel{padding:28px}.event{flex-direction:column}}@media print{aside,header .account,.toolbar button,.actions,#demoControls{display:none}.shell{display:block}main{padding:0}.tab{display:block!important}.panel{break-inside:avoid}}

#cloudSettings section{padding:22px 0;border-top:1px solid #dce5e9}#cloudSettings form{display:grid;gap:14px;margin:20px 0}#cloudSettings .admin-form{grid-template-columns:repeat(2,minmax(0,1fr))}#cloudSettings label:has(input[type=checkbox]){display:flex;align-items:center;gap:12px}#cloudSettings input[type=checkbox]{width:20px;height:20px;accent-color:var(--green)}#cloudSettings input[type=file]{width:100%}#cloudSettings button{justify-self:start}#cloudSettings pre{max-height:360px;overflow:auto;background:#f3f6f8;padding:16px;border-radius:8px}@media(max-width:700px){#cloudSettings .admin-form{grid-template-columns:1fr}}

/* Owner dashboard: present status as readable cards, never a raw JSON dump. */
.admin-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}
.admin-stat{border:1px solid #dce5e9;background:#f7fafb;border-radius:9px;padding:16px;min-width:0}
.admin-stat strong{display:block;font-size:13px;color:#647b88;margin-bottom:8px}
.admin-stat p{margin:0;font-size:15px;font-weight:650;overflow-wrap:anywhere}
.admin-activity{grid-column:1/-1;margin:0}
@media(max-width:700px){.admin-summary{grid-template-columns:1fr}}

/* Persistent per-upload status: never render or log the secret itself. */
.key-feedback{margin:0;padding:13px 16px;border:1px solid #cad8df;background:#f4f8fa;color:#183040;border-radius:8px;font-size:14px;line-height:1.55;overflow-wrap:anywhere}
.key-feedback:empty{display:none}
.key-feedback.error{border-color:#dca29f;background:#fff0ef;color:#8a2c2c;font-weight:600}
.key-feedback.busy{border-color:#d8c57b;background:#fff9e7;color:#765213}
.key-feedback.success{border-color:#99c8bb;background:#eef9f4;color:#17604d}

.matter-network-check{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:14px 0}
.matter-network-check p{margin:0;flex:1 1 270px}

/* Mapping wizard, owner-only. */
#mappingWizard{border-top:1px solid #dce5e9;margin-top:20px;padding-top:24px}
#mappingWizard>p{max-width:950px}
.mapping-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:18px 0 26px}
.mapping-card{border:1px solid #dce5e9;background:#f9fbfc;padding:20px;border-radius:12px;display:grid;gap:13px;min-width:0}
.mapping-card h3{margin:0;font-size:17px}
.mapping-card label{min-width:0}
.mapping-card select,.mapping-card input[type=text]{width:100%;min-width:0}
.mapping-check{display:flex;align-items:flex-start;gap:12px;line-height:1.5;font-weight:normal}
.mapping-check input{flex:0 0 18px;margin-top:4px}
.mapping-actions{display:flex;flex-wrap:wrap;gap:10px}
.mapping-feedback{font-size:13px;margin:0;color:#12655e;overflow-wrap:anywhere}
.mapping-feedback.error,.mapping-status.error{color:#a13939}
.mapping-card .subtle{margin:0}
@media(max-width:880px){.mapping-grid{grid-template-columns:1fr}}

/* DEMO automation / offline-equivalent read-only visuals. */
.demo-autoplay{display:flex;gap:16px;align-items:end;flex-wrap:wrap;margin:14px 0 22px;padding:16px;border:1px solid #cddfdf;border-radius:10px;background:#f1f8f7}
.demo-autoplay label{flex:0 1 255px;font-weight:600}
.demo-autoplay select{width:100%;padding:11px}
.demo-autoplay [role=status]{flex:1 1 260px;margin-bottom:7px}
.demo-only-mark{font-size:11px;color:#0c7161;font-weight:bold}
.demo-alert{background:#e5f1f0;padding:16px;border-left:4px solid var(--green);border-radius:8px;margin:12px 0 20px}
.demo-alert p{margin:7px 0 0;color:#4e626b}
.demo-pump-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin:14px 0}
.demo-pump{display:grid;gap:8px;border:1px solid #dce5e9;border-radius:8px;background:#f4f7f8;padding:14px}
.demo-pump span{font-size:13px;color:#5b7380}
.demo-pump.on{border-color:#78b8a6;background:#e4f6ee}
.demo-pump.fault{border-color:#e3a0a0;background:#ffefef}
.demo-rules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}
.demo-rules p{border:1px solid #dce5e9;border-radius:8px;margin:0;padding:12px;background:#fafcfd;display:grid;gap:8px;font-size:13px}
.demo-rules span{color:#506976}
.device-explainer{padding:14px 16px;border-left:3px solid var(--green);border-radius:6px;background:#eff8f7;line-height:1.7}
@media(max-width:700px){.demo-rules{grid-template-columns:1fr}.demo-autoplay{align-items:stretch}.demo-autoplay label{flex:1 1 100%}}
@media print{#demoPlay,.demo-autoplay{display:none!important}}

/* Trang đăng nhập: mật khẩu được che mặc định, chỉ hiện khi chủ động đánh dấu. */
.login-panel .password-visibility{display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:10px;font-weight:normal;cursor:pointer;margin-top:-8px}
.login-panel .password-visibility input[type=checkbox]{width:19px;height:19px;min-width:19px;margin:0;padding:0;accent-color:var(--green);cursor:pointer}

/* Historical sensor inventory: owner-only and labelled explicitly non-LIVE. */
.field-toolbar{display:flex;align-items:end;flex-wrap:wrap;gap:12px;margin:15px 0}
.field-toolbar label{flex:1 1 200px;min-width:0}
.field-toolbar input,.field-toolbar select{width:100%}
.field-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin:18px 0}
.field-summary article{border:1px solid #dce5e9;background:#eff7f7;border-radius:9px;padding:14px;display:grid;gap:5px}
.field-summary strong{font-size:21px}
.field-stations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}
.field-stations article{border:1px solid #d8e4e8;border-radius:9px;padding:16px;background:#f7fafb;min-width:0}
.field-stations h3{margin:0 0 9px;font-size:16px}
.field-stations p{margin:5px 0;font-size:13px;overflow-wrap:anywhere}
.field-warning{background:#fff6e5;border-left:3px solid #d8a353;padding:12px 14px;border-radius:6px;margin:9px 0;font-size:13px}
.field-table{max-height:650px;overflow:auto;border:1px solid #dce5e9;border-radius:8px}
.field-table table{width:100%;border-collapse:collapse;min-width:960px;font-size:13px}
.field-table th,.field-table td{padding:11px 12px;white-space:normal;vertical-align:top;border-bottom:1px solid #e7edf0}
.field-table th{position:sticky;top:0;background:#eef4f6}
.field-code{font-family:ui-monospace,Consolas,monospace;letter-spacing:.2px;white-space:nowrap}
.field-muted{color:#647b88;font-size:12px}
.field-review{color:#9a5118;font-weight:bold}
.field-register p{overflow-wrap:anywhere}
@media(max-width:800px){.field-stations{grid-template-columns:1fr}}

.field-sync-result{width:100%;padding:12px 15px;border:1px solid #c8dcdc;border-radius:8px;background:#f0f9f7;font-size:13px}.field-sync-result:empty{display:none}.field-sync-good{color:#176c54}.field-sync-result p{margin:7px 0}

/* Matter Capture Public API browser, source-only and owner/grant protected. */
.native-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin:15px 0}
.native-tools label{min-width:190px;flex:1 1 230px}
.native-tools input,.native-tools select{width:100%}
.native-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.native-tabs button{min-width:130px}
.native-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:14px 0}
.native-summary article{border:1px solid #d8e4e8;border-radius:10px;padding:14px;background:#f2f8f8}
.native-summary strong{font-size:22px;display:block}
.native-table{overflow:auto;border:1px solid #dae6ea;border-radius:8px;max-height:650px}
.native-table table{width:100%;min-width:700px;border-collapse:collapse;font-size:13px}
.native-table th{position:sticky;top:0;background:#eef5f6}
.native-table th,.native-table td{border-bottom:1px solid #e4ecef;padding:11px;vertical-align:top;overflow-wrap:anywhere}
.native-detail{margin-top:16px;padding:16px;background:#f8fbfc;border:1px solid #d6e4e8;border-radius:10px}
.native-record{margin:10px 0;padding:12px;border:1px solid #dfebed;border-radius:7px;background:white}
.native-record summary{cursor:pointer;font-weight:600}
.native-pairs{display:grid;grid-template-columns:minmax(120px,1fr) minmax(0,3fr);gap:6px 12px;margin:8px 0}
.native-pairs dt{font-weight:600;font-size:12px;color:#526773;overflow-wrap:anywhere}
.native-pairs dd{margin:0;font-size:13px;overflow-wrap:anywhere;white-space:pre-wrap}
.native-nested{margin-left:12px;border-left:2px solid #d3e2e6;padding-left:8px}
.native-error{color:#a13030}
.native-help{background:#eff6f7;border-left:3px solid #2a827c;padding:12px;border-radius:5px}
.native-page-footer{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0}
@media(max-width:700px){.native-pairs{grid-template-columns:1fr}.native-pairs dd{margin-bottom:8px}.native-table table{min-width:620px}}

/* Test3: Matter-only overview, 10 newest records and real devices. */
.native-sensor-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:12px;margin:14px 0}
.native-sensor-card{border:1px solid #d5e3e7;border-radius:9px;background:#f5fafb;padding:14px;min-width:0}
.native-sensor-card strong{display:block;margin-bottom:5px}
.native-sensor-card p{margin:4px 0;font-size:13px;overflow-wrap:anywhere}
.native-sensor-card small{display:block;color:#526b74}
.native-empty{padding:12px;background:#fff8e6;border-radius:7px}
.native-chart-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;font-size:12px}
.native-chart-legend span{display:inline-flex;gap:4px;align-items:center}
.native-chart-legend i{display:inline-block;width:12px;height:3px}

/* Required copyright attribution for every public and authenticated Matter screen. */
.owner-copyright{display:flex;flex-direction:column;gap:5px;line-height:1.6;overflow-wrap:anywhere}
.owner-copyright strong{font-size:13px;font-weight:700}
.owner-copyright span{font-size:12px}
.owner-copyright a,.sidebar-owner a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.owner-copyright a:focus-visible,.sidebar-owner a:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.site-footer{display:flex;flex-direction:column;gap:8px}
.sidebar-owner{margin-top:16px;padding:12px 4px;font-size:12px;line-height:1.8;overflow-wrap:anywhere}
.login-panel>.owner-copyright{margin-top:14px;padding-top:12px;border-top:1px solid #d9e4e8}
@media(max-width:600px){.owner-copyright strong{font-size:12px}.owner-copyright span{font-size:12px}.sidebar-owner{padding:8px 0}}
@media print{.owner-copyright,.sidebar-owner{display:flex!important;visibility:visible!important}.owner-copyright a,.sidebar-owner a{text-decoration:none}}

/* Test4: two independent sensor axes and explicit chronological x-axis. */
#chart.matter-dual-active{height:auto;min-height:345px;display:block}
#chart.matter-dual-active .matter-dual-svg{display:block;width:100%;height:auto;max-height:385px}
.matter-dual-legend{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:center;padding:1px 0 6px;font-size:12px;color:#3e5c66}
.matter-dual-legend span{display:inline-flex;align-items:center;gap:7px}
.matter-dual-legend i{display:inline-block;width:26px;height:0;border-top:3px solid #087c77}
.matter-dual-legend i.is-depth{border-color:#b46c28;border-top-style:dashed}
.matter-dual-devices{text-align:center;margin:3px 0 7px;font-size:11px;color:#647b88;line-height:1.5;overflow-wrap:anywhere}
@media(max-width:700px){
 #chart.matter-dual-active{min-height:255px}
 #chart.matter-dual-active .matter-dual-svg{max-height:315px}
 .matter-dual-legend{gap:8px 12px}
}
@media print{#chart.matter-dual-active .matter-dual-svg{max-height:330px}}