/* Tactical Minimalism. One committed dark theme.
   Layout: status readout strip, tab rail, Swiss-grid panels. Accents are signals, not decoration:
   orange = critical / limiting factor, cyan = active and telemetry, green = nominal. */
:root{
  --bg:#000000; --surface:#121212; --panel:#1C1C1E; --line:#2C2C2E; --line-hi:#3A3A3C;
  --ink:#FFFFFF; --muted:#8E8E93;
  --crit:#FF4500; --active:#00F0FF; --ok:#39FF14;
  --radius:4px; --radius-lg:6px;
  --display:"Inter",-apple-system,"SF Pro Text",system-ui,"Segoe UI",Arial,sans-serif;
  --body:"Inter",-apple-system,"SF Pro Text",system-ui,"Segoe UI",Arial,sans-serif;
  --mono:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  /* legacy token names used by app.js inline styles */
  --accent:var(--crit); --good:var(--ok); --bad:var(--crit); --warn:var(--crit);
  --bar:#000000; --tile:#000000; --field:#0A0A0A; --placeholder:#5A5A5E;
  --primary-bg:#FFFFFF; --primary-ink:#000000; --primary-hover:#E5E5EA; --on-crit:#000000; --crit-hover:#E63E00;
  color-scheme:dark;
}
/* Fonts ship with the app so it looks right with no signal */
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url(vendor/fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url(vendor/fonts/inter-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url(vendor/fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:700;font-display:swap;src:url(vendor/fonts/inter-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url(vendor/fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:600;font-display:swap;src:url(vendor/fonts/jetbrains-mono-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:700;font-display:swap;src:url(vendor/fonts/jetbrains-mono-latin-700-normal.woff2) format("woff2")}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg)}
body{color:var(--ink);font:15px/1.45 var(--body);-webkit-font-smoothing:antialiased;letter-spacing:-.005em}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;font-weight:600;letter-spacing:-.01em}
h1{font-size:20px;font-weight:700;letter-spacing:.02em;text-transform:uppercase}
h2{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
h3{font-size:16px}
.num,td.n,th.n,.big,input[type=number],input[type=date]{font-family:var(--mono);font-variant-numeric:tabular-nums}
a{color:var(--active)}
.wrap{max-width:1100px;margin:0 auto;padding:16px 16px 28px}

/* Header */
header.top{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line)}
.brand{display:flex;flex-direction:column;gap:2px}
.brand small{color:var(--muted);font-size:12px}
.sync{font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--active);border:1px solid var(--line);border-radius:var(--radius);padding:4px 8px;background:var(--surface)}
.sync::before{content:"";display:inline-block;width:6px;height:6px;margin-right:6px;border-radius:0;background:var(--active);vertical-align:1px}

/* Readout strip */
.strip{margin-top:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:10px 12px;display:flex;flex-direction:column;gap:4px;position:relative}
.tile .lbl{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tile .big{font-size:34px;font-weight:600;line-height:1;color:var(--ink);letter-spacing:-.02em}
.tile.hero{border-color:var(--line-hi);background:var(--surface)}
.tile.hero .big{font-size:44px;color:var(--active)}
.tile.limit{border-color:var(--crit)}
.tile.limit::after{content:"LIMIT";position:absolute;top:10px;right:10px;font:700 10px var(--mono);letter-spacing:.12em;color:var(--on-crit);background:var(--crit);padding:2px 5px;border-radius:2px}
.tile.limit .big{color:var(--crit)}

/* Tabs */
nav.tabs{display:flex;gap:0;flex-wrap:nowrap;overflow-x:auto;margin:16px 0 12px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);scrollbar-width:none}
nav.tabs::-webkit-scrollbar{display:none}
nav.tabs button{flex:1 0 auto;font:600 12px var(--body);letter-spacing:.08em;text-transform:uppercase;background:none;border:0;border-right:1px solid var(--line);padding:11px 14px;color:var(--muted);cursor:pointer;white-space:nowrap}
nav.tabs button:last-child{border-right:0}
:focus-visible{outline:2px solid var(--active);outline-offset:2px}

/* Panels and grid */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;display:flex;flex-direction:column;gap:12px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:8px}
.stack{display:flex;flex-direction:column;gap:8px}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.muted{color:var(--muted)}
.small{font-size:12px}
p{margin:0}

/* Status pills */
.pill{display:inline-block;font:700 10px var(--mono);letter-spacing:.1em;padding:3px 6px;border-radius:2px;white-space:nowrap;text-transform:uppercase;border:1px solid}
.pill.good{color:var(--ok);border-color:var(--ok);background:transparent}
.pill.warn{color:var(--crit);border-color:var(--crit);background:transparent}
.pill.bad{color:var(--on-crit);border-color:var(--crit);background:var(--crit)}
.pill.info{color:var(--muted);border-color:var(--line-hi)}

/* Tables */
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:600}
td.n,th.n{text-align:right}
tr:last-child td{border-bottom:0}

/* Controls */
button.btn,a.btn,label.btn{font:600 12px var(--body);letter-spacing:.06em;text-transform:uppercase;border-radius:var(--radius);padding:8px 12px;border:1px solid var(--line-hi);background:var(--surface);color:var(--ink);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;min-height:36px}
button.btn:hover,a.btn:hover,label.btn:hover{border-color:var(--muted)}
button.primary{border-color:var(--active);color:var(--active);background:transparent}
button.ghost{background:none;border-color:transparent;color:var(--muted)}
button.tiny,a.tiny{padding:4px 8px;font-size:11px;min-height:28px}
button:disabled{opacity:.35;cursor:not-allowed}
label{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:flex;flex-direction:column;gap:4px}
input,select{font:14px var(--body);padding:8px 9px;border:1px solid var(--line-hi);border-radius:var(--radius);background:var(--bg);color:var(--ink);min-width:0;min-height:36px}
input:focus,select:focus{border-color:var(--active);outline:none}
input[type=number]{width:96px}
input::placeholder{color:var(--placeholder)}

/* Gauges */
.bar{height:6px;background:var(--bg);border-radius:1px;overflow:hidden;border:1px solid var(--line)}
.bar > span{display:block;height:100%;background:var(--active)}
.bar > span.full{background:var(--ok)}
.bar > span.low{background:var(--crit)}

/* Alerts */
.callout{border:1px solid var(--line-hi);border-left:3px solid var(--active);background:var(--surface);padding:10px 12px;border-radius:var(--radius)}
.callout.bad{border-left-color:var(--crit)}
.callout strong{display:block;margin-bottom:2px}

/* Recipes */
.recipes{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:8px}
.recipe{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-lg);padding:12px;display:flex;flex-direction:column;gap:8px}
.recipe ul{margin:0;padding-left:16px;color:var(--muted)}
.recipe h3{font-size:15px}

.toast{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);background:var(--surface);color:var(--ink);border:1px solid var(--active);padding:10px 14px;border-radius:var(--radius);font:500 13px var(--body);z-index:5;max-width:calc(100% - 32px)}
details summary{cursor:pointer;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
footer{margin:20px 0 0;padding-top:12px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
label.btn{position:relative;flex-direction:row;color:var(--ink)}
label.btn:focus-within{outline:2px solid var(--active);outline-offset:2px}

@media (max-width:420px){
  .wrap{padding:12px 12px 24px}
  .tile .big{font-size:28px}
  .tile.hero{grid-column:1/-1}
  .tile.hero .big{font-size:52px}
  .strip{grid-template-columns:1fr 1fr 1fr}
  .strip .tile:not(.hero) .lbl:last-child{display:none}
}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}

/* ===== Component polish (round 2) ===== */
:root{ --radius-lg:4px; --nav-h:62px; }
/* 1. High-density tactical cards */
.panel,.tile,.recipe{border-radius:4px;position:relative}
.panel{padding:10px 12px;gap:8px}
.tile{padding:8px 10px;gap:2px}
.grid2,.strip,.recipes{gap:6px}
.panel h2,.recipe h3{color:var(--ink);font-weight:700}
.panel h2{font-size:12px;letter-spacing:.1em}
.tile .big{color:var(--active)}
.tile.limit .big{color:var(--active)}
.tile.limit::after{content:none}
.panel::before,.tile::before{content:"";position:absolute;top:8px;right:8px;width:8px;height:8px;background:var(--muted);opacity:.55}
.panel.alert::before,.tile.limit::before{background:var(--crit);opacity:1}
.tile.limit{border-color:var(--line)}
th,td{padding:6px 5px}
.callout{padding:8px 10px}

/* 2. Sticky header and bottom navigation */
header.top{position:sticky;top:0;z-index:4;background:var(--bar);margin:0 -16px;padding:10px 16px;border-bottom:1px solid var(--line)}
body{padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom))}
nav.tabs{position:fixed;left:0;right:0;bottom:0;z-index:4;margin:0;border:0;border-top:1px solid var(--line);border-radius:0;background:var(--bar);display:grid;grid-template-columns:repeat(6,1fr);overflow:visible;padding:0 max(4px,env(safe-area-inset-left)) env(safe-area-inset-bottom)}
nav.tabs button{border:0;border-right:0;display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 2px 10px;font-size:9px;letter-spacing:.1em;color:var(--muted);position:relative;box-shadow:none;background:none;min-width:0}
nav.tabs button svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:square;stroke-linejoin:miter}
nav.tabs button[aria-selected="true"]{color:var(--ink);background:none;box-shadow:none}
nav.tabs button[aria-selected="true"]::after{content:"";position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:22px;height:2px;border-radius:0;background:var(--crit)}
@media (min-width:900px){ nav.tabs{max-width:1100px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)} }

/* 3. Inputs, buttons, switches */
input,select{background:var(--field);border:1px solid var(--line-hi);border-radius:2px;box-shadow:none}
input:focus,select:focus{border-color:var(--ok);outline:none}
button.btn,a.btn,label.btn{border-radius:2px;transition:none}
button.primary{background:var(--primary-bg);border-color:var(--primary-bg);color:var(--primary-ink)}
button.primary:hover{background:var(--primary-hover)}
button.crit{background:var(--crit);border-color:var(--crit);color:#FFFFFF}
button.crit:hover{background:var(--crit-hover)}
button.ghost:hover{color:var(--crit)}
.switch{appearance:none;-webkit-appearance:none;width:44px;height:24px;border:1px solid var(--line-hi);border-radius:2px;background:var(--field);position:relative;cursor:pointer;margin:0;transition:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;background:var(--muted);border-radius:1px}
.switch:checked{border-color:var(--ok)}
.switch:checked::after{left:23px;background:var(--ok)}
.switch:focus-visible{outline:2px solid var(--ok);outline-offset:2px}
.toast{bottom:calc(var(--nav-h) + 12px)}
/* Phone: wide tables become stacked rows */
@media (max-width:600px){
  table.cards thead{display:none}
  table.cards tr{display:grid;grid-template-columns:1fr auto;gap:6px 10px;padding:8px 0;border-bottom:1px solid var(--line);align-items:center}
  table.cards tr:last-child{border-bottom:0}
  table.cards td,table.cards th{border:0;padding:0}
  table.cards th[colspan]{grid-column:1/-1;padding-top:8px}
  table.cards td:last-child{grid-column:1/-1}
  table.cards select{max-width:100%}
}
@media (max-width:420px){ header.top{margin:0 -12px;padding:10px 12px} }

/* ===== Single-screen layout (round 3) ===== */
header.top{display:none}
.topbar{position:sticky;top:0;z-index:4;background:var(--bar);margin:0 -16px;padding:10px 16px 0;border-bottom:1px solid var(--line)}
.strip{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}
.strip .tile{background:var(--tile);border:1px solid var(--line);border-radius:4px;padding:8px 10px;gap:4px}
.strip .tile .lbl{font-size:10px;letter-spacing:.12em;color:var(--muted)}
.strip .tile .big,.strip .tile.limit .big{font-family:var(--mono);font-size:30px;font-weight:600;color:var(--ink);letter-spacing:-.02em}
.strip .tile::before{display:none}
.strip .tile.limit::before{display:block;content:"";position:absolute;top:8px;right:8px;width:8px;height:8px;background:var(--crit);opacity:1}
.strip .tile.limit{border-color:var(--line)}
.metarow{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0}
.metarow h1{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:700}
.metarow .sync{font-size:10px;padding:2px 6px;color:var(--muted);border-color:var(--line)}
.metarow .sync::before{background:var(--muted)}
#view{padding-top:8px}
/* bottom nav: 5 equal columns, cyan active with 2px bar on top */
nav.tabs{grid-template-columns:repeat(5,1fr)}
nav.tabs button{font-size:10px;letter-spacing:.08em;padding:10px 2px 10px;color:var(--muted)}
nav.tabs button[aria-selected="true"]{color:var(--active)}
nav.tabs button[aria-selected="true"]::after{content:"";position:absolute;top:0;bottom:auto;left:50%;transform:translateX(-50%);width:28px;height:2px;border-radius:0;background:var(--active)}
@media (max-width:420px){ .topbar{margin:0 -12px;padding:8px 12px 0} .strip .tile .big{font-size:28px} .strip{grid-template-columns:1fr 1fr} .strip .tile .lbl:last-child{display:block} }

/* Round 4: status grid scrolls with the page */
.topbar{position:static}

/* Round 5: legible in low light. Nothing under 11px */
th,label,.strip .tile .lbl,.tile .lbl,.metarow .sync,nav.tabs button,.pill,.tile.limit::after{font-size:11px}
.small,details summary,footer{font-size:13px}
.metarow h1{font-size:12px}
nav.tabs button{font-size:11px;letter-spacing:.06em}
.disclose{margin:4px 0 8px}
.callout.bad strong{color:var(--crit)}
@media (max-width:600px){ th.src,td.src{display:none} }
#gear svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:square}
#gear[aria-pressed="true"]{color:var(--active);border-color:var(--active)}
.panel ul.small{margin:6px 0 0;padding-left:18px}
.panel ul.small li{margin:0 0 6px}
.metarow h1{white-space:nowrap}
.metarow .sync{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
.unit{display:inline-flex;align-items:center;gap:6px}
.metarow > .row{flex-wrap:nowrap;min-width:0}
.metarow{flex-wrap:nowrap}
@media (max-width:420px){ table.cards .unit{justify-content:flex-start} }
/* House button: easy to find */
#gear{font:600 13px var(--body);letter-spacing:.06em;color:var(--ink);background:var(--panel);border:1px solid var(--line-hi);padding:8px 12px;min-height:40px;gap:8px}
#gear svg{width:18px;height:18px;stroke-width:1.75}
#gear:hover{border-color:var(--ink)}
.metarow{padding:10px 0}
/* App bar: name left, House top right */
.appbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:2px 0 10px}
.appbar h1{font-size:12px;letter-spacing:.16em;color:var(--muted);font-weight:700;margin:0;white-space:nowrap}
#gear{min-height:44px}
.metarow{justify-content:flex-end;padding:8px 0}
.screenhead{align-items:center;gap:12px}
.screenhead .btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:square}
.screenhead .btn{min-height:44px}

/* Light mode: follows the phone unless the person picks one under House. Same layout, colors darkened so text stays readable on white */
:root[data-theme="light"]{--bg:#F2F2F7; --surface:#FFFFFF; --panel:#FFFFFF; --line:#D1D1D6; --line-hi:#C7C7CC;
  --ink:#000000; --muted:#5F5F65; --crit:#B83200; --active:#00707F; --ok:#1B7F2A;
  --bar:#F2F2F7; --tile:#FFFFFF; --field:#FFFFFF; --placeholder:#8E8E93;
  --primary-bg:#000000; --primary-ink:#FFFFFF; --primary-hover:#2C2C2E; --on-crit:#FFFFFF; --crit-hover:#9E2B00;
  color-scheme:light;}
@media (prefers-color-scheme: light){ :root:not([data-theme="dark"]){--bg:#F2F2F7; --surface:#FFFFFF; --panel:#FFFFFF; --line:#D1D1D6; --line-hi:#C7C7CC;
  --ink:#000000; --muted:#5F5F65; --crit:#B83200; --active:#00707F; --ok:#1B7F2A;
  --bar:#F2F2F7; --tile:#FFFFFF; --field:#FFFFFF; --placeholder:#8E8E93;
  --primary-bg:#000000; --primary-ink:#FFFFFF; --primary-hover:#2C2C2E; --on-crit:#FFFFFF; --crit-hover:#9E2B00;
  color-scheme:light;} }