/* UX-13 page styles. Colours follow the approved mockup (UX-13-mockup.html,
   version 2) and prefers-color-scheme. No web fonts, no external files. */
:root{
  --bg:#f3f4f6;--card:#ffffff;--ink:#1b1d21;--muted:#5b626c;--faint:#8a919b;--line:#e2e5e9;
  --accent:#1c64d9;--accent-soft:#e6efff;--on-accent:#ffffff;
  --ok:#17773a;--ok-bg:#e6f4eb;--warn:#955300;--warn-bg:#fcefd9;--bad:#c02626;--bad-bg:#fce8e8;--info:#5b626c;--info-bg:#eceef1;
  --solar:#c98a00;--house:#6c47c2;--grid:#56657a;--batt:#17773a;
  --cheap:#8fcca4;--dear:#f0ad72;--mid:#cfd5dc;--track:#dde1e6;--shadow:0 1px 2px rgba(0,0,0,.05);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#111317;--card:#1a1d23;--ink:#e7e9ec;--muted:#a2a9b3;--faint:#7c848f;--line:#2b3038;
  --accent:#6ea2ff;--accent-soft:#1d2a44;--on-accent:#0b1220;
  --ok:#7ccf98;--ok-bg:#15291d;--warn:#f3c16b;--warn-bg:#2e2412;--bad:#f28b82;--bad-bg:#3a1a19;--info:#a2a9b3;--info-bg:#22262d;
  --solar:#f0c04a;--house:#b39cf0;--grid:#9fb0c6;--batt:#7ccf98;
  --cheap:#3f7d56;--dear:#9a5a26;--mid:#3a414b;--track:#343a44;--shadow:none;
}}
:root[data-theme="dark"]{
  --bg:#111317;--card:#1a1d23;--ink:#e7e9ec;--muted:#a2a9b3;--faint:#7c848f;--line:#2b3038;
  --accent:#6ea2ff;--accent-soft:#1d2a44;--on-accent:#0b1220;
  --ok:#7ccf98;--ok-bg:#15291d;--warn:#f3c16b;--warn-bg:#2e2412;--bad:#f28b82;--bad-bg:#3a1a19;--info:#a2a9b3;--info-bg:#22262d;
  --solar:#f0c04a;--house:#b39cf0;--grid:#9fb0c6;--batt:#7ccf98;
  --cheap:#3f7d56;--dear:#9a5a26;--mid:#3a414b;--track:#343a44;--shadow:none;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
button,input,select{font:inherit;color:inherit}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.top{display:flex;align-items:center;gap:12px;padding:12px 16px 8px;max-width:820px;margin:0 auto}
.logo{width:36px;height:36px;border-radius:10px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent);flex:none}
.app{font-weight:700;font-size:17px;line-height:1.2}
.pill{display:flex;flex-wrap:wrap;align-items:center;gap:0 6px;font-size:13px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none}
.dot.warn{background:var(--warn)}.dot.bad{background:var(--bad)}
.tabs{display:flex;gap:4px;max-width:820px;margin:0 auto;padding:0 16px;border-bottom:1px solid var(--line)}
.tab{border:0;background:none;padding:10px 12px;border-bottom:2px solid transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;gap:6px;min-height:44px;position:relative}
.tab[aria-selected="true"]{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.tab svg{width:20px;height:20px}
.badge{font-size:11px;font-weight:700;background:var(--warn);color:var(--card);border-radius:9px;padding:0 6px;line-height:18px}
.badge.bad{background:var(--bad)}
@media (max-width:640px){
  .tabs{position:fixed;bottom:0;left:0;right:0;z-index:20;background:var(--card);border-top:1px solid var(--line);border-bottom:0;padding:0 4px env(safe-area-inset-bottom);justify-content:space-around;gap:0}
  .tab{flex-direction:column;gap:0;font-size:11px;padding:6px 4px;border-bottom:0;border-top:2px solid transparent;flex:1;min-width:0}
  .tab[aria-selected="true"]{border-top-color:var(--accent)}
  .tab .badge{position:absolute;top:2px;left:calc(50% + 6px)}
  .wrap{padding-bottom:96px!important}
}
.wrap{max-width:820px;margin:0 auto;padding:16px 16px 40px}
h2{font-size:15px;margin:0 0 10px;font-weight:650}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;box-shadow:var(--shadow)}
.muted{color:var(--muted)} .small{font-size:13px} .tiny{font-size:12px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.spread{justify-content:space-between}
.grow{flex:1 1 auto;min-width:0}
.banner{border-radius:12px;padding:12px 14px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;font-weight:600}
.banner .ic{flex:none;margin-top:2px}
.b-ok{background:var(--ok-bg);color:var(--ok)} .b-warn{background:var(--warn-bg);color:var(--warn)} .b-bad{background:var(--bad-bg);color:var(--bad)}
.banner small{display:block;font-weight:400;color:var(--ink);margin-top:2px}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
@media (max-width:640px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tile{border:1px solid var(--line);border-radius:10px;padding:10px;min-width:0}
.tile .lab{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.tile .val{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.25;margin-top:2px}
.tile .val small{font-size:13px;font-weight:500;color:var(--muted)}
.tile .sub{font-size:12px;color:var(--muted)}
.sw-solar{color:var(--solar)} .sw-house{color:var(--house)} .sw-grid{color:var(--grid)} .sw-batt{color:var(--batt)}
.brow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding:10px 0;border-top:1px solid var(--line)}
.brow:first-child{border-top:0}
.lvl{height:10px;background:var(--track);border-radius:6px;overflow:hidden;grid-column:1/-1;margin:4px 0 2px}
.lvl>i{display:block;height:100%;background:var(--batt);border-radius:6px}
.lvl.none>i{background:var(--faint)}
/* the plan chart */
.chart{position:relative;margin:18px 0 4px}
.bars{display:flex;align-items:flex-end;gap:2px;height:72px}
.bars i{flex:1;border-radius:3px 3px 0 0;background:var(--mid);min-width:0}
.bars i.cheap{background:var(--cheap)}
/* not by colour alone: expensive hours are striped, estimates are faded */
.bars i.dear{background:repeating-linear-gradient(135deg,var(--dear) 0 4px,color-mix(in srgb,var(--dear) 60%,var(--card)) 4px 7px)}
.bars i.est{opacity:.55}
.bars i.none{background:none;border-bottom:2px dotted var(--faint);height:2px!important}
.lane{position:relative;height:18px;margin-top:4px;background:var(--bg);border-radius:4px}
.lane b{position:absolute;top:2px;bottom:2px;border-radius:3px;min-width:3px}
.lane .house{background:repeating-linear-gradient(90deg,var(--mid) 0 6px,transparent 6px 9px);top:6px;bottom:6px}
.lane .grid{background:var(--accent)}
.lane .give{background:repeating-linear-gradient(135deg,var(--house) 0 4px,color-mix(in srgb,var(--house) 55%,var(--card)) 4px 7px)}
.lane .cycle{background:repeating-linear-gradient(90deg,var(--warn) 0 3px,var(--warn-bg) 3px 6px)}
.lane .peak{background:var(--bad)}
.lanelab{font-size:12px;color:var(--muted);margin-top:6px}
.nowline{position:absolute;top:-4px;bottom:0;width:2px;background:var(--ink);opacity:.7;pointer-events:none}
.nowline span{position:absolute;top:-15px;left:-10px;font-size:10px}
.axis{display:flex;justify-content:space-between;font-size:11px;color:var(--faint);margin-top:4px}
.legend{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:12px;color:var(--muted);margin-top:8px}
.legend span{display:inline-flex;align-items:center;gap:5px}
.legend i{width:14px;height:10px;border-radius:2px;display:inline-block}
.legend i.house{background:repeating-linear-gradient(90deg,var(--mid) 0 4px,transparent 4px 6px)}
ul.plain{list-style:none;margin:8px 0 0;padding:0}
ul.plain li{padding:6px 0;border-top:1px solid var(--line)}
ul.plain li:first-child{border-top:0}
.meter{height:12px;background:var(--track);border-radius:6px;overflow:hidden;margin:8px 0 4px}
.meter i{display:block;height:100%;background:var(--accent)}
.meter i.warn{background:var(--warn)} .meter i.bad{background:var(--bad)}
.alert{display:flex;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.alert:first-child{border-top:0}
.sev{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800}
.sev.warning{background:var(--warn-bg);color:var(--warn)} .sev.alarm{background:var(--bad-bg);color:var(--bad)} .sev.info{background:var(--info-bg);color:var(--info)} .sev.ok{background:var(--ok-bg);color:var(--ok)}
.alert .t{font-weight:600}
.btn{border:1px solid var(--line);background:var(--card);padding:9px 14px;border-radius:10px;cursor:pointer;min-height:44px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:600}
.btn.danger{color:var(--bad);border-color:var(--bad)}
.btn:disabled{opacity:.5;cursor:not-allowed}
a.btn{display:inline-flex;align-items:center;text-decoration:none;color:var(--ink)}
details.more{margin-top:12px;border-top:1px solid var(--line)}
details.more>summary{cursor:pointer;padding:10px 0;color:var(--accent);font-size:14px;min-height:44px;display:flex;align-items:center}
table.rows{width:100%;border-collapse:collapse;font-size:13px}
table.rows td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}
table.rows td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;padding-left:12px;overflow-wrap:anywhere}
table.rows tr:last-child td{border-bottom:0}
ul.checks{margin:6px 0 0;padding-left:0;list-style:none;font-size:13px}
ul.checks li{margin:3px 0}
.c-ok{color:var(--ok)} .c-warn{color:var(--warn)} .c-bad{color:var(--bad)}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 12px;font-size:14px;margin-top:10px}
.kv dt{color:var(--muted)} .kv dd{margin:0}
#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:24px;z-index:30;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:10px;font-size:14px;max-width:calc(100% - 32px);opacity:0;pointer-events:none;transition:opacity .2s}
#toast.show{opacity:1}
@media (max-width:640px){#toast{bottom:84px}}
dialog{border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);max-width:min(420px,calc(100% - 32px));padding:18px}
dialog::backdrop{background:rgba(0,0,0,.45)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.tip{position:fixed;z-index:40;background:var(--ink);color:var(--bg);font-size:12px;line-height:1.35;padding:6px 8px;border-radius:8px;pointer-events:none;max-width:240px;opacity:0;transition:opacity .1s;box-shadow:0 2px 8px rgba(0,0,0,.25);left:0;top:0}
.tip.show{opacity:1}
.tip b{display:block;font-weight:700}
.tip span{display:block}
.chart [data-tip]{cursor:default}
.chart [data-tip]:hover,.chart [data-tip]:focus,.chart .hot{outline:2px solid var(--ink);outline-offset:-1px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* UX-13 P2: Settings, the Installer view (mockup version 2) */
.btn.link{border:0;background:none;color:var(--accent);padding:6px 0;min-height:0}
.search{width:100%;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:10px 12px;min-height:44px;margin-bottom:10px}
.key{font:11px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--faint);overflow-wrap:anywhere}
.chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;border-radius:999px;padding:1px 8px;background:var(--info-bg);color:var(--muted);white-space:nowrap}
.chip.now{background:var(--ok-bg);color:var(--ok)} .chip.rs{background:var(--warn-bg);color:var(--warn)}
.chip.bad{background:var(--bad-bg);color:var(--bad)} .chip.changed{background:var(--accent-soft);color:var(--accent)}
details.grp{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;box-shadow:var(--shadow)}
details.grp>summary{list-style:none;cursor:pointer;padding:14px;display:flex;gap:10px;align-items:center;min-height:56px;flex-wrap:wrap}
details.grp>summary::-webkit-details-marker{display:none}
details.grp>summary .grow{flex:1 1 200px}
details.grp>summary .gdesc{display:block}
details.grp>summary .chev{transition:transform .15s;flex:none;font-size:22px;line-height:1;width:18px;text-align:center;color:var(--muted)}
details.grp[open]>summary .chev{transform:rotate(90deg)}
.gchips,.gbadge{display:inline-flex;flex-wrap:wrap;gap:4px}
details.grp .body{padding:0 14px 8px}
details.sub{border-top:1px solid var(--line);margin-top:4px}
details.sub>summary{cursor:pointer;padding:10px 0;color:var(--accent);font-size:14px;min-height:44px;display:flex;align-items:center}
.subhead{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--faint);margin:14px 0 0;font-weight:700}
.f{padding:12px 0;border-top:1px solid var(--line);min-width:0}
.part>.f:first-child,.subhead+.f{border-top:0}
.f .lbl{font-weight:600;font-size:14px}
.f .help{font-size:13px;color:var(--muted);margin-top:4px}
.f .ctl{margin-top:8px;min-width:0}
.f.inline{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;align-items:start}
.f.inline .ctl{margin-top:0;grid-row:1;grid-column:2}
.f.inline .help,.f.inline .msgs{grid-column:1/-1}
.f.changed>.head .lbl::after{content:" •";color:var(--accent)}
.msg{font-size:13px;margin-top:6px;display:flex;gap:6px;align-items:flex-start;border-radius:8px;padding:6px 8px;overflow-wrap:anywhere}
.msg .mi{font-weight:800;flex:none}
.msg.bad{background:var(--bad-bg);color:var(--bad)} .msg.warn{background:var(--warn-bg);color:var(--warn)} .msg.info{background:var(--info-bg);color:var(--info)}
.f.has-bad .ctl select,.f.has-bad .ctl input,.f.has-bad .ent-btn{border-color:var(--bad)}
.switch{position:relative;width:52px;height:44px;border:0;background:none;cursor:pointer;flex:none;padding:0}
.switch::before{content:"";position:absolute;left:2px;top:8px;width:48px;height:28px;border-radius:14px;background:var(--track);transition:background .15s}
.switch::after{content:"";position:absolute;top:11px;left:5px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.3);transition:left .15s}
.switch[aria-checked="true"]::before{background:var(--accent)}
.switch[aria-checked="true"]::after{left:25px}
.swrap{display:inline-flex;align-items:center;gap:8px;min-height:44px}
.swtext{font-size:13px;color:var(--muted)}
select.sel,input.txt,input.num{border:1px solid var(--line);background:var(--card);border-radius:10px;padding:9px 10px;min-height:44px;max-width:100%}
select.sel{width:100%}
.row>select.sel{width:auto;flex:1 1 200px}
input.num{width:110px;text-align:right;font-variant-numeric:tabular-nums}
input.txt{width:100%}
input:disabled{opacity:.6}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;max-width:100%;flex-wrap:wrap}
.seg button{border:0;background:var(--card);padding:8px 12px;min-height:44px;cursor:pointer;border-left:1px solid var(--line)}
.seg button:first-child{border-left:0}
.seg button[aria-checked="true"]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.choice{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-top:8px;cursor:pointer;width:100%;text-align:left;background:var(--card);min-height:44px}
.choice[aria-checked="true"]{border-color:var(--accent);background:var(--accent-soft)}
.choice .rad{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid var(--faint);margin-top:2px}
.choice[aria-checked="true"] .rad{border:5px solid var(--accent)}
.slider{display:flex;align-items:center;gap:10px;width:100%}
.slider input[type=range]{flex:1;min-width:0;accent-color:var(--accent);height:28px}
.unit{color:var(--muted);font-size:13px;white-space:nowrap}
.ent-btn{width:100%;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:8px 10px;min-height:44px;cursor:pointer;display:flex;gap:8px;align-items:center}
.ent-btn .grow{min-width:0}
.ent-btn .grow>div{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ent-pop{border:1px solid var(--line);border-radius:10px;margin-top:6px;background:var(--card);overflow:hidden}
.ent-pop input[type=search]{border:0;border-bottom:1px solid var(--line);width:100%;padding:10px;background:var(--card);min-height:44px}
.ent-note{padding:6px 10px}
.ent-list{max-height:240px;overflow:auto}
.ent-opt{display:flex;gap:8px;align-items:center;width:100%;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;padding:8px 10px;cursor:pointer;min-height:44px}
.ent-opt:hover,.ent-opt:focus{background:var(--accent-soft)}
.ent-opt .grow{min-width:0}
.ent-opt .grow>div{overflow-wrap:anywhere}
.ent-opt .v{font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted);white-space:nowrap}
.ent-all{display:flex;gap:6px;padding:6px 10px;align-items:center;min-height:44px}
.elist .erow{padding:6px 0;border-bottom:1px dashed var(--line)}
.elist>.btn{margin-top:8px}
.plist .prow{display:grid;gap:6px}
.plist .pf{display:flex;flex-direction:column;gap:2px}
.plist .pf>select.sel{width:100%}
input.txt.time{width:5.5em;text-align:center;font-variant-numeric:tabular-nums}
.inv{border:1px solid var(--line);border-radius:10px;padding:0 12px;margin:10px 0}
.inv>.hd{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--line);font-weight:600;flex-wrap:wrap}
.inv>.f:nth-child(2){border-top:0}
.invs>.btn{margin:4px 0 8px}
#savebar{position:fixed;left:0;right:0;bottom:0;z-index:15}
#savebar .in{max-width:820px;margin:0 auto 10px;padding:10px 12px;background:var(--ink);color:var(--bg);border-radius:12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;box-shadow:0 4px 16px rgba(0,0,0,.25);width:calc(100% - 32px)}
#savebar .btn{min-height:44px;padding:6px 12px;background:transparent;color:var(--bg);border-color:rgba(127,127,127,.6)}
#savebar .btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
@media (max-width:640px){#savebar{bottom:62px}}
#s-set{padding-bottom:80px}
/* UX-13 P4: the setup wizard */
.steps{display:flex;gap:4px;margin:4px 0 12px}
.steps i{flex:1;height:6px;border-radius:3px;background:var(--track)}
.steps i.done{background:var(--accent)} .steps i.cur{background:var(--accent);opacity:.55}
.msg.ok{background:var(--ok-bg);color:var(--ok)}
.sev.bad{background:var(--bad-bg);color:var(--bad)} .sev.warn{background:var(--warn-bg);color:var(--warn)}
.checklist li{display:flex;gap:8px;align-items:flex-start;overflow-wrap:anywhere}
.kettle .row{margin-top:8px}