/* WattView design system — tokens, layout, components. Light + dark. */
@font-face{font-family:"Inter";src:url(/assets/fonts/inter.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"OhmMono";src:url(/assets/fonts/mono.woff2) format("woff2");font-weight:100 800;font-display:swap}
:root{
  --font:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"OhmMono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --bg:#f6f7fb; --bg-2:#eef0f7; --surface:#ffffff; --surface-2:#f9fafc; --line:#e3e6ef; --line-2:#d3d8e6;
  --ink:#0d1222; --ink-2:#3b4258; --ink-3:#6b7390; --ink-4:#9aa1b8;
  --brand:#4f46e5; --brand-2:#06b6d4; --brand-ink:#ffffff; --volt:#f59e0b; --pos:#059669; --neg:#dc2626; --warn:#b45309;
  --grad:linear-gradient(135deg,#4f46e5 0%,#7c3aed 45%,#06b6d4 100%);
  --glow:0 10px 40px -12px rgba(79,70,229,.35);
  --shadow:0 1px 2px rgba(13,18,34,.05),0 8px 24px -12px rgba(13,18,34,.12);
  --shadow-lg:0 24px 64px -24px rgba(13,18,34,.28);
  --r:14px; --r-sm:10px; --r-xs:7px;
  --c1:#4f46e5; --c2:#06b6d4; --c3:#f59e0b; --c4:#10b981; --c5:#ef4444; --c6:#8b5cf6; --c7:#0ea5e9; --c8:#64748b;
  color-scheme:light;
}
:root:not([data-theme=light]){
  --bg:#070a14; --bg-2:#0b0f1d; --surface:#0f1424; --surface-2:#131a2e; --line:#1e2740; --line-2:#2a3554;
  --ink:#eef1fa; --ink-2:#c3c9dc; --ink-3:#8c95b2; --ink-4:#5e6784;
  --brand:#818cf8; --brand-2:#22d3ee; --brand-ink:#0b0f1d; --volt:#fbbf24; --pos:#34d399; --neg:#f87171; --warn:#fbbf24;
  --grad:linear-gradient(135deg,#6366f1 0%,#a855f7 45%,#22d3ee 100%);
  --glow:0 10px 50px -12px rgba(129,140,248,.45);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-lg:0 24px 64px -24px rgba(0,0,0,.8);
  --c1:#818cf8; --c2:#22d3ee; --c3:#fbbf24; --c4:#34d399; --c5:#f87171; --c6:#c084fc; --c7:#38bdf8; --c8:#94a3b8;
  color-scheme:dark;
}
*{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:15px;line-height:1.55;color:var(--ink);background:var(--bg);font-feature-settings:"cv11","ss01","tnum" 0;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2rem,4.6vw,3.6rem);letter-spacing:-.035em} h2{font-size:clamp(1.4rem,2.6vw,2.1rem)} h3{font-size:1.1rem}
p{margin:0 0 1em;color:var(--ink-2)} small,.muted{color:var(--ink-3)} .num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.skip{position:absolute;left:-999px;top:0;background:var(--surface);padding:8px 12px;z-index:100}.skip:focus{left:8px}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
/* header */
.ohm-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.6) blur(14px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.ohm-header .wrap{display:flex;align-items:center;gap:18px;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);letter-spacing:-.03em}
.logo:hover{text-decoration:none} .logo svg{width:30px;height:30px}
.nav{display:flex;gap:2px;margin-left:8px;overflow-x:auto;scrollbar-width:none} .nav::-webkit-scrollbar{display:none}
.nav a{color:var(--ink-2);padding:7px 11px;border-radius:9px;font-size:.9rem;font-weight:500;white-space:nowrap}
.nav a:hover,.nav a[aria-current=page]{background:var(--bg-2);color:var(--ink);text-decoration:none}
.hdr-right{margin-left:auto;display:flex;gap:8px;align-items:center}
.menu-btn{display:none}
@media(max-width:1180px){.nav{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:10px;margin:0}.nav.open{display:flex}.menu-btn{display:inline-flex}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 15px;border-radius:10px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font:600 .9rem var(--font);cursor:pointer;transition:transform .12s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:hover{text-decoration:none;background:var(--surface-2);box-shadow:var(--shadow)} .btn:active{transform:translateY(1px)}
.btn.primary{background:var(--grad);color:#fff;border:0;box-shadow:var(--glow)} .btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;border-color:transparent} .btn.sm{height:30px;padding:0 10px;font-size:.82rem;border-radius:8px}
.btn.lg{height:48px;padding:0 22px;font-size:1rem;border-radius:12px} .btn[disabled]{opacity:.5;cursor:not-allowed}
.icon-btn{width:38px;padding:0}
/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px}
.card h3{display:flex;align-items:center;gap:8px;font-size:.98rem}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:10px} .card-head h3{margin:0} .card-head .sp{margin-left:auto;display:flex;gap:6px}
.grid{display:grid;gap:16px} .g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}} @media(max-width:640px){.g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}}
/* KPI */
.kpi{padding:16px 18px} .kpi .lbl{font-size:.78rem;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.kpi .val{font:700 1.65rem/1.2 var(--mono);letter-spacing:-.02em;margin-top:6px} .kpi .sub{font-size:.8rem;color:var(--ink-3);margin-top:2px}
.kpi.hero{background:var(--grad);color:#fff;border:0} .kpi.hero .lbl,.kpi.hero .sub{color:rgba(255,255,255,.82)}
/* forms */
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px} .field label{font-size:.8rem;font-weight:600;color:var(--ink-2);display:flex;gap:6px;align-items:center}
.field .hint{font-size:.74rem;color:var(--ink-3)}
input,select,textarea{font:500 .92rem var(--font);color:var(--ink);background:var(--surface-2);border:1px solid var(--line-2);border-radius:9px;height:38px;padding:0 11px;width:100%;transition:border .15s,box-shadow .15s}
textarea{height:auto;padding:10px;min-height:90px} input[type=checkbox],input[type=radio]{width:auto;height:auto}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 22%,transparent)}
.unit-input{position:relative} .unit-input input{padding-right:64px} .unit-input .u{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:.75rem;color:var(--ink-3);pointer-events:none}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap} .row>*{flex:1}
.seg{display:inline-flex;background:var(--bg-2);border-radius:10px;padding:3px;gap:2px} .seg button{border:0;background:transparent;color:var(--ink-2);font:600 .82rem var(--font);padding:6px 11px;border-radius:8px;cursor:pointer}
.seg button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
details.group{border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:10px;background:var(--surface)} details.group>summary{cursor:pointer;padding:11px 14px;font-weight:650;font-size:.9rem;list-style:none;display:flex;align-items:center;gap:8px}
details.group>summary::after{content:"";margin-left:auto;width:8px;height:8px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:rotate(45deg);transition:transform .2s} details.group[open]>summary::after{transform:rotate(-135deg)}
details.group>.body{padding:4px 14px 12px}
/* badges, tags */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:650;padding:3px 8px;border-radius:99px;background:var(--bg-2);color:var(--ink-2);letter-spacing:.01em}
.badge.src{background:color-mix(in srgb,var(--pos) 14%,transparent);color:var(--pos)} .badge.asm{background:color-mix(in srgb,var(--volt) 18%,transparent);color:var(--warn)}
.badge.brand{background:color-mix(in srgb,var(--brand) 14%,transparent);color:var(--brand)} .dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block}
/* tool layout */
.tool{display:grid;grid-template-columns:340px minmax(0,1fr);gap:20px;padding:22px 0 60px}
.tool aside{position:sticky;top:78px;align-self:start;max-height:calc(100vh - 90px);overflow:auto;padding-right:4px}
@media(max-width:980px){.tool{grid-template-columns:minmax(0,1fr)}.tool>*{min-width:0}.tool aside{position:static;max-height:none}}
.tool-title{display:flex;align-items:center;gap:14px;padding-top:26px} .tool-title .ic{width:46px;height:46px;border-radius:13px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:var(--glow)}
.tool-title h1{font-size:1.7rem;margin:0} .tool-title p{margin:0}
.chart{width:100%;min-height:280px;position:relative} .chart.wm::after{content:attr(data-wm);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:600 13px var(--mono);color:var(--ink);opacity:.06;pointer-events:none;transform:rotate(-18deg);white-space:pre;letter-spacing:.2em}
table.t{width:100%;border-collapse:collapse;font-size:.86rem} table.t th{text-align:left;font-weight:650;color:var(--ink-3);font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;padding:8px 10px;border-bottom:1px solid var(--line)}
table.t td{padding:8px 10px;border-bottom:1px solid var(--line)} table.t td.n,table.t th.n{text-align:right;font-family:var(--mono)} table.t tr:hover td{background:var(--surface-2)}
.tbl-wrap{overflow:auto;max-height:460px;border-radius:var(--r-sm)}
/* heatmap */
.heat{display:grid;grid-template-columns:42px repeat(24,minmax(0,1fr));gap:2px;font:500 10px var(--mono);color:var(--ink-3)} .heat div{height:20px;border-radius:3px;display:flex;align-items:center;justify-content:center}
/* toast, modal */
.toasts{position:fixed;bottom:18px;right:18px;display:flex;flex-direction:column;gap:8px;z-index:200} .toast{background:var(--ink);color:var(--bg);padding:11px 15px;border-radius:11px;box-shadow:var(--shadow-lg);font-size:.88rem;animation:tin .25s}
@keyframes tin{from{opacity:0;transform:translateY(8px)}}
dialog{border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow-lg);padding:0;max-width:min(720px,94vw);width:100%} dialog::backdrop{background:rgba(7,10,20,.55);backdrop-filter:blur(3px)}
dialog .dh{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)} dialog .dh h3{margin:0} dialog .dh .x{margin-left:auto} dialog .db{padding:18px 20px;max-height:70vh;overflow:auto}
/* footer */
.ohm-footer{border-top:1px solid var(--line);padding:36px 0 50px;margin-top:40px;color:var(--ink-3);font-size:.85rem} .ohm-footer .wrap{display:flex;gap:30px;flex-wrap:wrap} .ohm-footer a{color:var(--ink-2)}
/* landing */
.hero:not(.kpi){position:relative;padding:90px 0 70px;overflow:hidden}
.hero:not(.kpi)::before{content:"";position:absolute;inset:-40% -10% auto;height:120%;background:radial-gradient(600px 300px at 20% 30%,color-mix(in srgb,var(--brand) 26%,transparent),transparent 70%),radial-gradient(500px 280px at 80% 20%,color-mix(in srgb,var(--brand-2) 22%,transparent),transparent 70%);z-index:-1;filter:blur(10px)}
.hero .eyebrow{display:inline-flex;gap:8px;align-items:center;padding:6px 12px;border:1px solid var(--line-2);border-radius:99px;font-size:.8rem;font-weight:600;color:var(--ink-2);background:var(--surface)}
.hero p.lead{font-size:1.18rem;max-width:640px;color:var(--ink-2)}
.suite{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.prod{position:relative;padding:22px;border-radius:18px;background:var(--surface);border:1px solid var(--line);transition:transform .2s,box-shadow .2s,border-color .2s;color:var(--ink);display:flex;flex-direction:column;gap:8px;min-height:210px}
.prod:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 40%,var(--line));text-decoration:none}
.prod .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff} .prod h3{margin:6px 0 0;font-size:1.15rem} .prod p{font-size:.9rem;margin:0}
.prod .go{margin-top:auto;font-weight:650;font-size:.86rem;color:var(--brand)}
.stripe{display:flex;gap:26px;flex-wrap:wrap;color:var(--ink-3);font-weight:600;font-size:.86rem;letter-spacing:.04em}
.section{padding:56px 0} .section h2{margin-bottom:.35em}
.feature{display:flex;gap:14px} .feature .ic{flex:0 0 38px;height:38px;border-radius:10px;background:var(--bg-2);display:grid;place-items:center;color:var(--brand)}
.gate{max-width:440px;margin:60px auto;text-align:center}
.empty{padding:40px;text-align:center;color:var(--ink-3)}
.spinner{width:18px;height:18px;border:2px solid var(--line-2);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite;display:inline-block} @keyframes spin{to{transform:rotate(360deg)}}
.sources li{margin-bottom:6px;font-size:.86rem} .sources .k{font-weight:650}
.uplot{font-family:var(--font)!important} .u-legend{font-size:12px!important;color:var(--ink-2)} .u-legend .u-marker{border-radius:3px}
@media print{.ohm-header,.ohm-footer,aside,.no-print{display:none!important}.tool{grid-template-columns:1fr}body{background:#fff}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.dummy-banner{background:repeating-linear-gradient(135deg,#fff7e6 0 14px,#fff1d6 14px 28px);border:1px solid #f5b94a;color:#7a4b00;border-radius:10px;padding:8px 12px;font-size:.86rem;margin:0 0 12px;width:100%}
.dummy-banner b{letter-spacing:.06em}
[data-theme=dark] .dummy-banner{background:repeating-linear-gradient(135deg,#3a2a0a 0 14px,#33250a 14px 28px);color:#ffd48a;border-color:#8a6212}
.pill{display:inline-block;font-size:.72rem;font-weight:650;padding:1px 7px;border-radius:999px;background:var(--line,#e5e7eb);color:inherit}.pill.warn{background:#ffe7b3;color:#7a4b00}

/* ---- Report kit (shared by every tool page; see /assets/report.js) ---- */
.svgc{width:100%;height:auto;display:block;overflow:visible}
.svgc text{font:500 11px var(--font);fill:var(--ink-3)} .svgc text.v{font:600 11px var(--mono);fill:var(--ink-2)}
.svgc .gl{stroke:var(--line);stroke-width:1} .svgc .base{stroke:var(--ink-2);stroke-width:1.5;stroke-dasharray:4 3}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:.78rem;color:var(--ink-3);margin-top:8px} .legend span{display:inline-flex;align-items:center;gap:5px}
.sw{display:inline-block;width:10px;height:10px;border-radius:3px}
.warns{border-left:4px solid var(--warn);background:color-mix(in srgb,var(--warn) 9%,var(--surface));padding:10px 14px;border-radius:var(--r-sm);font-size:.86rem} .warns ul{margin:0;padding-left:18px}
.errbox{border-left:4px solid var(--neg);background:color-mix(in srgb,var(--neg) 9%,var(--surface));padding:10px 14px;border-radius:var(--r-sm)}
.stack>*+*{margin-top:16px} .field.hide{display:none}
.menu-wrap{position:relative} .menu-pop{position:absolute;right:0;top:calc(100% + 6px);z-index:30;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow-lg);padding:6px;display:flex;flex-direction:column;min-width:230px}
.menu-pop[hidden]{display:none} .menu-pop button{background:none;border:0;text-align:left;padding:8px 10px;border-radius:7px;color:var(--ink);font:inherit;cursor:pointer}
.menu-pop button:hover,.menu-pop button:focus-visible{background:var(--bg-2);outline:none}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:14px 0 0}
.picker-card{margin-bottom:12px;padding:14px} .picker-card h3{font-size:.95rem;margin:0 0 8px}
.exec{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:18px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow);padding:20px 22px;position:relative;overflow:hidden}
.exec:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad)}
.exec .eyebrow{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:650}
.exec .big{font-size:2.3rem;font-weight:750;letter-spacing:-.02em;line-height:1.1;margin:4px 0 2px;font-variant-numeric:tabular-nums}
.exec .big small{font-size:.95rem;font-weight:500;color:var(--ink-3);margin-left:6px}
.exec ul{margin:6px 0 0;padding-left:18px;font-size:.88rem;color:var(--ink-2)} .exec li+li{margin-top:3px}
.exec h4{margin:10px 0 2px;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.drv{display:grid;grid-template-columns:auto 1fr auto;gap:4px 10px;align-items:center;font-size:.86rem;margin-top:6px} .drv .bar{height:8px;border-radius:4px;background:var(--bg-2);overflow:hidden} .drv .bar i{display:block;height:100%;background:var(--brand)} .drv .bar i.neg{background:var(--neg)}
.drv .num{font-family:var(--mono);font-size:.8rem;color:var(--ink-2);text-align:right}
@media(max-width:860px){.exec{grid-template-columns:minmax(0,1fr);padding:16px}.exec .big{font-size:1.8rem}}
@media(max-width:640px){.card{padding:14px}.kpi .val{font-size:1.3rem}.tool-title h1{font-size:1.4rem}.toolbar .btn{flex:1 1 auto}}
table.bt{width:100%;border-collapse:collapse;font-size:.86rem} table.bt th,table.bt td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:right} table.bt th:first-child,table.bt td:first-child{text-align:left} table.bt th{font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);font-weight:650}
.src-tag{font-size:.72rem;color:var(--ink-3)}
/* MapLibre controls follow the shared dark theme */
:root:not([data-theme=light]) .maplibregl-ctrl-group{background:var(--surface-2)}:root:not([data-theme=light]) .maplibregl-ctrl-group button+button{border-top-color:var(--line-2)}:root:not([data-theme=light]) .maplibregl-ctrl button .maplibregl-ctrl-icon{filter:invert(1)}
:root:not([data-theme=light]) .maplibregl-ctrl-attrib,:root:not([data-theme=light]) .maplibregl-ctrl.maplibregl-ctrl-attrib{background:color-mix(in srgb,var(--surface) 80%,transparent);color:var(--ink-3)}:root:not([data-theme=light]) .maplibregl-ctrl-attrib a{color:var(--ink-2)}
:root:not([data-theme=light]) .maplibregl-popup-content{background:var(--surface);color:var(--ink)}:root:not([data-theme=light]) .maplibregl-popup-tip{border-top-color:var(--surface);border-bottom-color:var(--surface)}