/* Birdy — bench instrument UI. Anthracite housing, dark display glass,
   silkscreen legends, channel colours per sensor, inverted active keys. */

@font-face { font-family: "Barlow Semi Condensed"; font-weight: 400; font-display: swap; src: url(../fonts/barlow-semi-condensed-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Semi Condensed"; font-weight: 500; font-display: swap; src: url(../fonts/barlow-semi-condensed-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Semi Condensed"; font-weight: 600; font-display: swap; src: url(../fonts/barlow-semi-condensed-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Semi Condensed"; font-weight: 700; font-display: swap; src: url(../fonts/barlow-semi-condensed-latin-700-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-display: swap; src: url(../fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url(../fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 700; font-display: swap; src: url(../fonts/jetbrains-mono-latin-700-normal.woff2) format("woff2"); }

:root {
  color-scheme: dark;
  --housing: #16181b;
  --panel: #1b1e22;
  --panel-hi: #20242a;
  --raise: #252a30;
  --raise-hi: #2e343b;
  --glass: #0e1012;
  --rule: #2a2f35;
  --rule-hi: #3a4047;
  --grat: #1b1f24;
  --grat-hi: #262b31;
  --ink: #ecebe4;
  --ink-2: #b3b7ba;
  --ink-3: #8d9399;
  --ink-inv: #121416;

  /* Sensor channels — fixed order, validated for CVD on --glass. */
  --ch1: #c98500; --ch2: #199e70; --ch3: #3987e5; --ch4: #d55181; --ch5: #9085e9; --ch6: #d95926;

  /* Status: run/stop and the one fixed IAQ magnitude ramp. */
  --run: #2fae4e;
  --stop: #d03b3b;
  --b-excellent: #1f9e5a;
  --b-good: #74b83a;
  --b-light: #d9b01c;
  --b-moderate: #e8892b;
  --b-heavy: #e0582f;
  --b-severe: #cf3e4c;
  --b-extreme: #9a5ad1;

  --f-ui: "Barlow Semi Condensed", "Arial Narrow", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px;
  --bar-h: 52px;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --shadow-pop: 0 18px 40px -8px rgba(0, 0, 0, .55), 0 2px 6px rgba(0, 0, 0, .35);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--housing);
  color: var(--ink);
  font: 400 15px/1.4 var(--f-ui);
  font-feature-settings: "lnum";
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
::selection { background: var(--ink); color: var(--ink-inv); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
code, kbd, .mono { font-family: var(--f-mono); font-size: .86em; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; text-wrap: balance; }
p { margin: 0; }
* { scrollbar-width: thin; scrollbar-color: var(--rule-hi) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--rule-hi); border: 3px solid var(--housing); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }
.i { flex: none; display: block; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--ink); color: var(--ink-inv); padding: 6px 10px; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.legend-text, .silk {
  font: 600 11px/1 var(--f-ui);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ------------------------------------------------------------------ bar */

.bar {
  position: sticky; top: 0; z-index: 20;
  height: var(--bar-h);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--s5);
  padding: 0 var(--s4);
  background: var(--housing);
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: baseline; gap: var(--s2); text-decoration: none; }
.brand-mark { width: 22px; height: 22px; fill: var(--ch1); align-self: center; }
.brand-mark circle { fill: var(--housing); }
.brand-name { font: 700 19px/1 var(--f-ui); letter-spacing: .02em; }
.brand-sub { font: 600 11px/1 var(--f-ui); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); }
.bar-right { display: flex; align-items: center; gap: var(--s2); }
.clock { font: 500 13px/1 var(--f-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; margin-right: var(--s2); }

.softkeys { display: inline-flex; }
.softkeys > a, .softkeys > button {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 14px;
  border: 1px solid var(--rule-hi); margin-left: -1px;
  background: var(--raise); color: var(--ink-2);
  font: 600 13px/1 var(--f-ui); letter-spacing: .08em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap;
  transition: background-color .12s, color .12s;
}
.softkeys > :first-child { margin-left: 0; border-radius: 3px 0 0 3px; }
.softkeys > :last-child { border-radius: 0 3px 3px 0; }
.softkeys > :hover { background: var(--raise-hi); color: var(--ink); }
.softkeys > [aria-current="page"], .softkeys > [aria-pressed="true"] {
  background: var(--ink); color: var(--ink-inv); border-color: var(--ink); position: relative; z-index: 1;
}

.run {
  display: inline-flex; align-items: center; gap: 7px;
  height: 32px; padding: 0 12px; border-radius: 3px;
  border: 1px solid var(--rule-hi); background: var(--raise); color: var(--ink-2);
  font: 700 12px/1 var(--f-ui); letter-spacing: .12em; text-transform: uppercase;
}
.run[aria-pressed="true"] { background: var(--run); border-color: var(--run); color: #08180c; }
.run[aria-pressed="false"] { background: var(--stop); border-color: var(--stop); color: #fff; }
.run-led { width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .55; }
.run.blink .run-led { animation: blink .6s var(--ease-out); }
@keyframes blink { 0% { opacity: 1; transform: scale(1.6); } 100% { opacity: .55; transform: scale(1); } }

.iconbtn {
  display: inline-grid; place-items: center;
  width: 34px; height: 32px; border-radius: 3px;
  border: 1px solid var(--rule-hi); background: var(--raise); color: var(--ink-2);
  text-decoration: none;
}
.iconbtn:hover { background: var(--raise-hi); color: var(--ink); }
.iconbtn[aria-pressed="true"] { background: var(--ink); color: var(--ink-inv); border-color: var(--ink); }
.iconbtn:disabled { opacity: .4; cursor: default; }

main { padding: var(--s5) var(--s4) var(--s7); max-width: 1680px; margin: 0 auto; outline: none; }
main.busy { cursor: progress; }

/* --------------------------------------------------------------- buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 34px; padding: 0 14px; border-radius: 3px;
  border: 1px solid var(--rule-hi); background: var(--raise); color: var(--ink);
  font: 600 13px/1 var(--f-ui); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap;
  text-decoration: none;
}
.btn:hover { background: var(--raise-hi); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-primary { background: var(--ink); border-color: var(--ink); color: var(--ink-inv); }
.btn-primary:hover { background: #fff; }
.btn-danger { color: #ff8b8b; }
.btn-danger:hover { background: var(--stop); border-color: var(--stop); color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--raise); color: var(--ink); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }

/* ----------------------------------------------------------------- forms */

.field { display: grid; gap: 6px; min-width: 0; }
.field-label { font: 600 11px/1 var(--f-ui); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=datetime-local], input:not([type]), select {
  height: 36px; width: 100%; min-width: 0;
  padding: 0 10px; border-radius: 3px;
  background: var(--glass); border: 1px solid var(--rule-hi); color: var(--ink);
  font: 500 14px/1 var(--f-ui);
}
input::placeholder { color: var(--ink-3); }
input:focus, select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
select {
  appearance: none; padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23b3b7ba' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
.field-row { display: grid; grid-template-columns: 1fr auto; gap: var(--s3); }
.field-row .narrow { width: 96px; }
.form-error { color: #ff9a8f; font-weight: 500; }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; color: var(--ink-2); }
.check input { accent-color: var(--ink); width: 15px; height: 15px; margin: 0; }

/* ---------------------------------------------------------------- toasts */

.toasts { position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 60; display: grid; gap: 8px; width: min(92vw, 460px); }
.toast {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px; border-radius: 4px;
  background: var(--ink); color: var(--ink-inv);
  box-shadow: var(--shadow-pop);
  font-weight: 500;
  animation: toast-in .35s var(--ease-out);
}
.toast.is-error { background: var(--stop); color: #fff; }
.toast .i { margin-top: 1px; }
@keyframes toast-in { from { transform: translateY(12px); opacity: 0; } }

/* ================================================================== NOW */

.verdict { display: grid; gap: var(--s2); margin: var(--s2) 0 var(--s5); }
.verdict h1 { font: 600 clamp(28px, 3.4vw, 44px)/1.24 var(--f-ui); letter-spacing: -.01em; max-width: 30ch; }
.verdict h1 .warn { background: var(--ink); color: var(--ink-inv); padding: 0 .14em; border-radius: 3px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.verdict-why { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 18px; color: var(--ink-2); }
.verdict-why b { color: var(--ink); font-weight: 600; margin-right: 4px; }
.verdict-sub { color: var(--ink-2); font-size: 15px; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.verdict-sub span { display: inline-flex; align-items: center; gap: 6px; }

.now-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s3); margin-bottom: var(--s3); }
.now-tools .silk { margin-right: var(--s2); }

.modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 1px;
  padding: 1px;
}
.module {
  box-shadow: 0 0 0 1px var(--rule);
  position: relative;
  display: grid; gap: var(--s4); align-content: start;
  padding: var(--s4) var(--s4) var(--s4);
  background: var(--panel);
  text-decoration: none; color: inherit;
  transition: background-color .15s;
}
a.module:hover { background: var(--panel-hi); }
a.module:focus-visible { outline-offset: -2px; }

.module-head { display: flex; align-items: flex-start; gap: var(--s3); }
.module-title { min-width: 0; flex: 1; }
.module-title h2 { font: 600 20px/1.1 var(--f-ui); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.module-title p { color: var(--ink-3); font-size: 13px; margin-top: 3px; }
.module-state { text-align: right; display: grid; gap: 5px; justify-items: end; }
.seen { font: 500 12px/1 var(--f-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }

.chan {
  display: inline-flex; align-items: center; gap: 6px;
  height: 22px; padding: 0 7px 0 6px; border-radius: 2px;
  border: 1px solid var(--rule-hi); background: var(--glass);
  font: 700 12px/1 var(--f-mono); color: var(--ink);
}
.chan::before { content: ""; width: 9px; height: 9px; border-radius: 1px; background: var(--c, var(--ink-3)); }

.acc { font: 600 11px/1 var(--f-ui); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); display: inline-flex; align-items: center; gap: 5px; }
.acc-pips { display: inline-flex; gap: 2px; }
.acc-pips i { width: 4px; height: 9px; background: var(--rule-hi); }
.acc-pips i.on { background: var(--ink-2); }

.iaq-row { display: grid; grid-template-columns: auto 1fr; gap: var(--s4); align-items: end; }
.iaq-value { font: 500 64px/.8 var(--f-mono); letter-spacing: -.05em; }
.iaq-value small { display: block; font: 600 11px/1 var(--f-ui); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; }
.iaq-side { display: grid; gap: 10px; padding-bottom: 2px; }
.band { display: inline-flex; align-items: center; gap: 7px; font: 600 15px/1 var(--f-ui); }
.band::before { content: ""; width: 10px; height: 10px; border-radius: 2px; background: var(--bc, var(--ink-3)); }

.ramp { position: relative; display: flex; gap: 2px; height: 6px; padding-top: 0; }
.ramp span { height: 6px; background: var(--bc); opacity: .5; }
.ramp span:first-child { border-radius: 2px 0 0 2px; }
.ramp span:last-child { border-radius: 0 2px 2px 0; }
.ramp-mark { position: absolute; top: -5px; width: 2px; height: 16px; background: var(--ink); transform: translateX(-1px); box-shadow: 0 0 0 2px var(--panel); }

.readouts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 10px; }
.readout { display: grid; gap: 5px; min-width: 0; }
.readout-v { justify-self: start; font: 500 19px/1 var(--f-mono); letter-spacing: -.03em; white-space: nowrap; font-variant-numeric: tabular-nums; }
.readout-v small { font: 500 13px/1 var(--f-ui); letter-spacing: 0; color: var(--ink-2); margin-left: 3px; }
.readout-v.warn { background: var(--ink); color: var(--ink-inv); padding: 3px 5px; margin: -3px 0 -3px -5px; border-radius: 2px; }
.readout-v.warn small, .readout-v.warn .i { color: var(--ink-inv); }
.readout-v .i { display: inline; vertical-align: -2px; margin-right: 3px; color: var(--ink-2); }

.mini { position: relative; height: 76px; background: var(--glass); border: 1px solid var(--rule); border-radius: 2px; overflow: hidden; }
.mini svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.mini .grat line { stroke: var(--grat-hi); stroke-width: 1; vector-effect: non-scaling-stroke; }
.mini .trace { fill: none; stroke: var(--c); stroke-width: 1.75; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke-linecap: round; }
.mini .zone { fill: var(--bc); opacity: .07; }
.mini-labels { position: absolute; inset: 4px 6px; display: flex; flex-direction: column; justify-content: space-between; pointer-events: none; font: 500 10px/1 var(--f-mono); color: var(--ink-3); }
.mini-labels .row { display: flex; justify-content: space-between; }
.mini-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-3); font-size: 13px; }

.module.is-stale .iaq-value, .module.is-stale .readout-v, .module.is-stale .band { color: var(--ink-3); }
.module.is-stale .readout-v.warn { background: var(--ink-3); }
.module.is-stale .band::before, .module.is-stale .ramp { opacity: .35; }
.module.is-stale .mini .trace { stroke: var(--ink-3); }
.nosignal { display: inline-flex; align-items: center; gap: 6px; padding: 4px 7px; border-radius: 2px; background: var(--ink); color: var(--ink-inv); font: 700 11px/1 var(--f-ui); letter-spacing: .1em; text-transform: uppercase; }
.module-wait { color: var(--ink-2); display: grid; gap: var(--s3); }
.module-wait .btn { justify-self: start; }

.empty { border: 1px solid var(--rule); border-radius: 4px; background: var(--panel); padding: var(--s6); display: grid; gap: var(--s3); justify-items: start; max-width: 62ch; }
.empty h2 { font-size: 24px; }
.empty p { color: var(--ink-2); }

/* ============================================================== ANALYZE */

.scope { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 0; border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; background: var(--rule); }
.scope > * { background: var(--panel); }
.display { min-width: 0; display: grid; grid-template-rows: auto 1fr; gap: 1px; background: var(--rule); border-right: 1px solid var(--rule); }
.display > * { background: var(--panel); }

.timebase { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); padding: var(--s3); position: relative; }
.timebase .spacer { flex: 1; }
.tb-btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 36px; padding: 0 12px; border-radius: 3px;
  border: 1px solid var(--rule-hi); background: var(--glass); color: var(--ink);
  min-width: 0;
}
.tb-btn:hover { border-color: var(--ink-3); }
.tb-btn[aria-expanded="true"] { border-color: var(--ink); }
.tb-label { font: 600 15px/1 var(--f-ui); white-space: nowrap; }
.tb-abs { font: 500 12px/1 var(--f-mono); color: var(--ink-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.tb-step { font: 500 12px/1 var(--f-mono); color: var(--ink-2); white-space: nowrap; }
.tb-step b { color: var(--ink); font-weight: 500; }
.knobs { display: inline-flex; }
.knobs .iconbtn { border-radius: 0; margin-left: -1px; height: 36px; width: 36px; }
.knobs .iconbtn:first-child { border-radius: 3px 0 0 3px; margin-left: 0; }
.knobs .iconbtn:last-child { border-radius: 0 3px 3px 0; }
.status-msg { font: 500 12px/1 var(--f-mono); color: var(--ink-3); white-space: nowrap; }

.popover {
  position: absolute; z-index: 30; top: calc(100% + 4px); left: var(--s3);
  width: min(640px, calc(100vw - 32px));
  background: var(--panel-hi); border: 1px solid var(--rule-hi); border-radius: 4px;
  box-shadow: var(--shadow-pop);
  display: grid; grid-template-columns: 1fr 1.15fr;
  animation: pop-in .18s var(--ease-out);
}
@keyframes pop-in { from { opacity: 0; transform: translateY(-4px); } }
.popover[hidden] { display: none; }
.tp-quick { padding: var(--s2) 0; border-right: 1px solid var(--rule); max-height: 430px; overflow: auto; display: grid; grid-template-columns: 1fr 1fr; align-content: start; }
.tp-quick .silk { grid-column: 1 / -1; padding: 10px 14px 6px; }
.tp-quick button {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  border: 0; background: none; text-align: left; padding: 7px 14px; color: var(--ink-2); font-size: 14px;
}
.tp-quick button:hover { background: var(--raise); color: var(--ink); }
.tp-quick button[aria-pressed="true"] { color: var(--ink); font-weight: 600; }
.tp-abs { padding: var(--s4); display: grid; gap: var(--s3); align-content: start; }
.tp-abs .hint { color: var(--ink-3); font-size: 13px; }
.tp-abs .hint code { color: var(--ink-2); }
.tp-abs .actions { display: flex; gap: var(--s2); }
.tp-recent { display: grid; gap: 2px; border-top: 1px solid var(--rule); padding-top: var(--s3); }
.tp-recent button { border: 0; background: none; text-align: left; padding: 5px 0; color: var(--ink-2); font: 500 12px/1.3 var(--f-mono); }
.tp-recent button:hover { color: var(--ink); }

.plots { position: relative; display: grid; gap: 1px; background: var(--rule); align-content: start; }
.plots.loading .plot-area { opacity: .45; transition: opacity .2s; }
.plot { background: var(--panel); min-width: 0; }
.plot-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px var(--s4); padding: 10px var(--s3) 6px; }
.plot-title { display: flex; align-items: baseline; gap: 8px; min-width: 9ch; }
.plot-title h3 { font: 600 16px/1 var(--f-ui); }
.plot-title .unit { font: 500 12px/1 var(--f-mono); color: var(--ink-3); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-left: auto; font: 500 12px/1.2 var(--f-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.legend-item { display: inline-flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.legend-key { width: 14px; height: 2px; background: var(--c); align-self: center; }
.legend-key.ref { opacity: .5; }
.legend-item b { color: var(--ink); font-weight: 500; }
.legend-item .lbl { color: var(--ink-3); }
.plot-area { position: relative; background: var(--glass); border-top: 1px solid var(--rule); }
.plot-area.sweep .u-over, .plot-area.sweep canvas { animation: sweep .62s var(--ease-out); }
@keyframes sweep { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.plot-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink-3); font-size: 14px; pointer-events: none; }

.uplot { font-family: var(--f-mono); }
.uplot .u-legend { display: none; }
.u-select { background: rgba(236, 235, 228, .09); border-left: 1px solid var(--ink-2); border-right: 1px solid var(--ink-2); }
.u-cursor-x { border-right: 1px solid var(--ink-2) !important; }
.u-cursor-y { display: none; }
.u-cursor-pt { border-radius: 50%; }

.cursor-tip {
  position: absolute; z-index: 5; pointer-events: none;
  min-width: 150px; padding: 8px 10px; border-radius: 3px;
  background: var(--panel-hi); border: 1px solid var(--rule-hi); box-shadow: var(--shadow-pop);
  font: 500 12px/1.35 var(--f-mono); font-variant-numeric: tabular-nums;
}
.cursor-tip .t { color: var(--ink-3); margin-bottom: 5px; }
.cursor-tip .r { display: flex; align-items: center; gap: 8px; }
.cursor-tip .r i { width: 12px; height: 2px; background: var(--c); flex: none; }
.cursor-tip .r i.ref { opacity: .5; }
.cursor-tip .r b { color: var(--ink); font-weight: 600; min-width: 5ch; text-align: right; }
.cursor-tip .r span { color: var(--ink-2); }

/* softkey column */
.menu { display: grid; align-content: start; gap: 0; }
.menu-group { padding: var(--s3); border-bottom: 1px solid var(--rule); display: grid; gap: 8px; }
.menu-group:last-child { border-bottom: 0; }
.menu-group > .silk { display: flex; justify-content: space-between; align-items: center; }
.keys { display: grid; grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); gap: 4px; }
.keys.cols-1 { grid-template-columns: 1fr; }
.keys.cols-2 { grid-template-columns: 1fr 1fr; }
.key {
  display: flex; align-items: center; gap: 7px;
  min-height: 30px; padding: 4px 9px; border-radius: 2px;
  border: 1px solid var(--rule-hi); background: var(--raise); color: var(--ink-2);
  font: 600 13px/1.1 var(--f-ui); text-align: left;
}
.key:hover { background: var(--raise-hi); color: var(--ink); }
.key[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--ink-inv); }
.key .sw { width: 9px; height: 9px; border-radius: 1px; background: var(--c); flex: none; }
.key[aria-pressed="true"] .sw { box-shadow: 0 0 0 1px var(--ink-inv); }
.key .sub { margin-left: auto; font: 500 11px/1 var(--f-mono); opacity: .75; }
.key.sensor { justify-content: flex-start; }
.key.sensor .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.menu-toggle { display: none; }

/* analysis row under the display */
.bench { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; }
.bench > .scope { border: 0; border-radius: 4px 4px 0 0; }
.bench > .datatable-wrap { border: 0; border-radius: 0 0 4px 4px; margin: 0; }
.analysis { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 1px; background: var(--rule); }
.analysis > section { background: var(--panel); padding: var(--s3); min-width: 0; display: grid; gap: var(--s3); align-content: start; }
.an-head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2) var(--s3); }
.an-head h2 { font: 600 16px/1 var(--f-ui); margin-right: auto; }
.an-head select { width: auto; height: 30px; font-size: 13px; }
.an-note { color: var(--ink-3); font-size: 13px; }

.heat { position: relative; }
.heat canvas { display: block; width: 100%; image-rendering: pixelated; }
.heat-axis { display: flex; justify-content: space-between; font: 500 10px/1 var(--f-mono); color: var(--ink-3); padding-left: 64px; margin-top: 4px; }
.heat-scale { display: flex; align-items: center; gap: 8px; font: 500 11px/1 var(--f-mono); color: var(--ink-3); }
.heat-scale .grad { height: 8px; width: 160px; border-radius: 2px; display: block; }
.heat-scale .bands { display: flex; gap: 2px; }
.heat-scale .bands span { display: inline-flex; align-items: center; gap: 4px; }
.heat-scale .bands span::before { content: ""; width: 9px; height: 9px; border-radius: 1px; background: var(--bc); }
.profile { display: grid; grid-template-columns: 64px 1fr; align-items: stretch; }
.profile-y { display: flex; flex-direction: column; justify-content: space-between; font: 500 10px/1 var(--f-mono); color: var(--ink-3); padding-right: 8px; }
.profile svg { width: 100%; height: 56px; display: block; background: var(--glass); border-radius: 2px; }

.dist { display: grid; gap: var(--s3); }
.dist-row { display: grid; grid-template-columns: 9ch 1fr; gap: var(--s3); align-items: center; }
.dist-bar { display: flex; gap: 2px; height: 22px; }
.dist-bar span { background: var(--bc); min-width: 0; position: relative; }
.dist-bar span:first-child { border-radius: 3px 0 0 3px; }
.dist-bar span:last-child { border-radius: 0 3px 3px 0; }
.dist-bar span:hover { filter: brightness(1.2); }
.dist-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--ink-2); }
.dist-legend span { display: inline-flex; align-items: center; gap: 6px; }
.dist-legend span::before { content: ""; width: 10px; height: 10px; border-radius: 2px; background: var(--bc); }
.dist-table { width: 100%; border-collapse: collapse; font: 500 12px/1.2 var(--f-mono); font-variant-numeric: tabular-nums; }
.dist-table th { font: 600 11px/1 var(--f-ui); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); text-align: right; padding: 6px 4px; border-bottom: 1px solid var(--rule); }
.dist-table th:first-child, .dist-table td:first-child { text-align: left; }
.dist-table td { padding: 6px 4px; text-align: right; color: var(--ink-2); border-bottom: 1px solid var(--grat-hi); }

.datatable-wrap { margin-top: var(--s4); border: 1px solid var(--rule); border-radius: 4px; background: var(--panel); }
.datatable-wrap summary { cursor: pointer; padding: var(--s3); font: 600 13px/1 var(--f-ui); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); list-style: none; display: flex; align-items: center; gap: 8px; }
.datatable-wrap summary::-webkit-details-marker { display: none; }
.datatable-wrap summary .i { transition: transform .2s var(--ease-out); }
.datatable-wrap[open] summary .i { transform: rotate(180deg); }
.datatable-scroll { max-height: 420px; overflow: auto; border-top: 1px solid var(--rule); }
.datatable { width: 100%; border-collapse: collapse; font: 500 12px/1.2 var(--f-mono); font-variant-numeric: tabular-nums; }
.datatable th { position: sticky; top: 0; background: var(--panel-hi); font: 600 11px/1.2 var(--f-ui); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--rule-hi); white-space: nowrap; }
.datatable td { text-align: right; padding: 5px 10px; color: var(--ink-2); border-bottom: 1px solid var(--grat-hi); white-space: nowrap; }
.datatable th:first-child, .datatable td:first-child { text-align: left; }
.datatable tr:hover td { background: var(--raise); color: var(--ink); }

.kbd-help { margin-top: var(--s4); color: var(--ink-3); font-size: 13px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.kbd-help kbd { display: inline-block; min-width: 20px; padding: 2px 5px; border: 1px solid var(--rule-hi); border-bottom-width: 2px; border-radius: 3px; background: var(--raise); color: var(--ink-2); text-align: center; font-size: 11px; margin-right: 4px; }

/* ============================================================== DEVICES */

.devices { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: var(--s5); align-items: start; }
.devices-main { display: grid; gap: var(--s5); align-content: start; min-width: 0; }
.devices-side { display: grid; gap: 1px; align-content: start; min-width: 0; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.devices-side > .panel { border: 0; border-radius: 0; }
.rooms { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.sect-head { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; margin-bottom: var(--s3); }
.sect-head h2 { font: 600 22px/1.1 var(--f-ui); margin-right: auto; }
.sect-head p { color: var(--ink-2); width: 100%; max-width: 70ch; }

.room { background: var(--panel); }
.room-head { display: flex; align-items: center; gap: var(--s2); padding: 10px var(--s3); border-bottom: 1px solid var(--rule); }
.room-head h3 { font: 600 17px/1.2 var(--f-ui); margin-right: auto; }
.room-empty { padding: var(--s3); color: var(--ink-3); font-size: 14px; }
.srow { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; gap: var(--s2) var(--s3); align-items: center; padding: 10px var(--s3); border-bottom: 1px solid var(--grat-hi); }
.srow:last-child { border-bottom: 0; }
.srow-name { min-width: 0; }
.srow-name b { font-weight: 600; font-size: 15px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.srow-name span { font: 500 12px/1.3 var(--f-mono); color: var(--ink-3); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.srow-meta { font: 500 12px/1.3 var(--f-mono); color: var(--ink-2); text-align: right; white-space: nowrap; }
.srow-meta .nokey { color: var(--b-moderate); }
.srow-actions { display: flex; gap: 4px; }
.srow-edit { grid-column: 1 / -1; display: grid; gap: var(--s3); margin: 2px calc(-1 * var(--s3)) -10px; padding: var(--s3); border-top: 1px solid var(--rule); background: var(--glass); }
.srow-edit .row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); }
.srow-edit .actions { display: flex; gap: var(--s2); flex-wrap: wrap; }

.provision { grid-column: 1 / -1; margin: 2px calc(-1 * var(--s3)) -10px; border-top: 1px solid var(--rule); background: var(--glass); padding: var(--s3); display: grid; gap: var(--s3); }
.provision h4 { font: 600 15px/1.2 var(--f-ui); }
.provision p { color: var(--ink-2); font-size: 14px; }
.prov-field { display: grid; grid-template-columns: 8ch minmax(0, 1fr) auto; gap: var(--s2); align-items: center; }
.prov-field code { display: block; padding: 7px 9px; border-radius: 2px; background: var(--housing); border: 1px solid var(--rule); color: var(--ink); overflow-wrap: anywhere; font-size: 12.5px; }

.panel { border: 1px solid var(--rule); border-radius: 4px; background: var(--panel); padding: var(--s4); display: grid; gap: var(--s3); }
.panel h2 { font: 600 18px/1.2 var(--f-ui); }
.panel p { color: var(--ink-2); font-size: 14px; }
.panel form { display: grid; gap: var(--s3); }
.users { display: grid; gap: 0; }
.user { display: flex; align-items: center; gap: var(--s2); padding: 8px 0; border-bottom: 1px solid var(--grat-hi); }
.user:last-child { border-bottom: 0; }
.user span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.user small { color: var(--ink-3); font: 500 11px/1 var(--f-mono); }
.inline-form { display: grid; grid-template-columns: 1fr auto; gap: var(--s2); }
.progress { height: 6px; background: var(--glass); border-radius: 3px; overflow: hidden; border: 1px solid var(--rule); }
.progress span { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease-out); }
.import-log { font: 500 12px/1.4 var(--f-mono); color: var(--ink-2); max-height: 160px; overflow: auto; white-space: pre-wrap; }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 6px var(--s3); font-size: 14px; }
.facts dt { color: var(--ink-3); }
.facts dd { margin: 0; font: 500 13px/1.4 var(--f-mono); color: var(--ink-2); overflow-wrap: anywhere; }

.loading-line { color: var(--ink-3); padding: var(--s5) 0; }
.error-box { border: 1px solid var(--stop); border-radius: 4px; padding: var(--s4); background: rgba(208, 59, 59, .08); display: grid; gap: var(--s2); justify-items: start; }

/* ========================================================== GATE PAGES */

body.gate { display: grid; place-items: center; padding: var(--s5) var(--s4); background: var(--housing); }
.gate-panel { width: min(100%, 440px); background: var(--panel); border: 1px solid var(--rule); border-radius: 4px; padding: var(--s6) var(--s5); display: grid; gap: var(--s4); }
.gate-head { display: flex; align-items: baseline; gap: var(--s2); margin-bottom: var(--s3); }
.gate-head .brand-mark { width: 26px; height: 26px; }
.gate-title { font: 600 30px/1.05 var(--f-ui); }
.gate-text { color: var(--ink-2); }
.gate-form { display: grid; gap: var(--s4); }
.gate-form .btn { height: 40px; }
.gate-group { border: 0; padding: 0; margin: 0; display: grid; gap: var(--s3); }
.gate-group legend { font: 600 11px/1 var(--f-ui); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); padding: 0; margin-bottom: var(--s3); border-bottom: 1px solid var(--rule); width: 100%; padding-bottom: 8px; }
.codeblock { background: var(--glass); border: 1px solid var(--rule); border-radius: 3px; padding: var(--s3); overflow: auto; font: 500 12px/1.5 var(--f-mono); color: var(--ink-2); }
.noscript { padding: var(--s5); }

/* ========================================================== RESPONSIVE */

@media (max-width: 1100px) {
  .scope { grid-template-columns: 1fr; }
  .display { border-right: 0; }
  .menu { order: -1; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); background: var(--rule); gap: 1px; border-bottom: 1px solid var(--rule); }
  .menu-group { background: var(--panel); border-bottom: 0; }
  .menu.collapsed .menu-group:not(.always) { display: none; }
  .menu-toggle { display: inline-flex; }
  .analysis { grid-template-columns: 1fr; }
  .devices { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root { --bar-h: 50px; }
  .bar { grid-template-columns: auto 1fr; gap: var(--s3); padding: 0 var(--s3); }
  .brand-sub, .clock { display: none; }
  .views {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 25;
    display: grid; grid-template-columns: repeat(3, 1fr);
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
    background: var(--housing); border-top: 1px solid var(--rule);
  }
  .views > a { height: 40px; justify-content: center; }
  .bar-right { justify-self: end; }
  main { padding: var(--s4) var(--s3) calc(88px + env(safe-area-inset-bottom)); }
  .toasts { bottom: calc(72px + env(safe-area-inset-bottom)); }
  .verdict h1 { font-size: 30px; }
  .iaq-value { font-size: 56px; }
  .tb-abs { display: none; }
  .timebase { padding: var(--s2); }
  .timebase .spacer { display: none; }
  .tb-btn { flex: 1 1 100%; }
  .popover { grid-template-columns: 1fr; left: var(--s2); max-height: 75vh; overflow: auto; }
  .tp-quick { border-right: 0; border-bottom: 1px solid var(--rule); max-height: none; }
  .legend { margin-left: 0; width: 100%; }
  .srow { grid-template-columns: auto minmax(0, 1fr) auto; }
  .srow-meta { grid-column: 2 / -1; text-align: left; }
  .srow-actions { grid-column: 1 / -1; }
  .prov-field { grid-template-columns: 1fr auto; }
  .prov-field .silk { grid-column: 1 / -1; }
  .srow-edit .row { grid-template-columns: 1fr; }
  .gate-panel { padding: var(--s5) var(--s4); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}