/* CMT · Monitoramento das Subestações — "mesa de operação": papel técnico, régua e tinta */

:root {
  color-scheme: dark;
  --bg: #0d100e;
  --panel: #161b18;
  --panel-2: #1d2420;
  --line: #29312c;
  --line-2: #3a453e;
  --ink: #ece8dc;
  --mute: #98a199;
  --faint: #67706a;
  --accent: #ffc400;
  --amber: #ffc400;
  --warn-fill: #ff8a1f;
  --on-accent: #1a1400;
  --ok: #2fd27a;
  --warn: #ff8a1f;
  --bad: #ff4a4a;
  --none: #6b746e;
  --accent-line: #b67a05;
  --ok-line: #1f7a49;
  --warn-line: #9a5418;
  --ok-band: #1f7a49;
  --off-img: #2a312d;
  --tab-hover: #1c2420;
  --tab-active: #28322c;
  --obj-shadow: drop-shadow(1px 0 0 rgba(0, 0, 0, .8)) drop-shadow(-1px 0 0 rgba(0, 0, 0, .8)) drop-shadow(0 1px 0 rgba(0, 0, 0, .8)) drop-shadow(0 -1px 0 rgba(0, 0, 0, .8)) drop-shadow(0 10px 9px rgba(0, 0, 0, .5));
  --ok-soft: #14301f;
  --ok-ink: #2fd27a;
  --warn-soft: #3a2410;
  --stage-bg: #131a16;
  --stage-shape-1: #19221d;
  --stage-shape-2: #101512;

  --sans: Inter, Aptos, "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "Roboto Mono", "Cascadia Mono", "SF Mono", ui-monospace, Consolas, "Liberation Mono", Menlo, monospace;
  --gut: clamp(14px, 3.2vw, 40px);
  --main-pt: clamp(16px, 2.6vw, 34px);
}

:root[data-theme="light"] {
  color-scheme: light;
  /* SAGE Operacional · Design System v1.0 */
  --bg: #f4f6f5;
  --panel: #ffffff;
  --panel-2: #f8faf9;
  --line: #dce3df;
  --line-2: #c8d2cd;
  --ink: #17201d;
  --mute: #66736e;
  --faint: #8d9994;
  --accent: #024a94;
  --amber: #b67a05;
  --warn-fill: #b67a05;
  --on-accent: #ffffff;
  --ok: #159a68;
  --warn: #024A94;
  --bad: #d64545;
  --info: #3276b1;
  --none: #64748b;
  --accent-line: #9db9d6;
  --ok-line: #8fd0b5;
  --warn-line: #dcc07a;
  --ok-band: #159a68;
  --off-img: #dce3df;
  --obj-shadow: drop-shadow(1px 0 0 rgba(23, 32, 29, .55)) drop-shadow(-1px 0 0 rgba(23, 32, 29, .55)) drop-shadow(0 1px 0 rgba(23, 32, 29, .55)) drop-shadow(0 -1px 0 rgba(23, 32, 29, .55)) drop-shadow(0 10px 9px rgba(23, 32, 29, .26));
  --tab-hover: #ebf0ee;
  --tab-active: #dfe7e3;
  --ok-soft: #e8f7ef;
  --ok-ink: #0f7a52;
  --warn-soft: #fff6db;
  --bad-soft: #fceaea;
  --stage-bg: #eaf0ee;
  --stage-shape-1: #dde6e2;
  --stage-shape-2: #f4f7f6;
}


* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; container-type: inline-size; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font: 400 15px/1.45 var(--sans);
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}
h1, h2, h3, h4, p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
b { font-weight: 600; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 10; background: var(--amber); color: var(--on-accent); padding: 8px 12px; }
.skip:focus { left: 8px; }

/* ---------- painel com marcas de canto ---------- */
.panel {
  position: relative;
  background:
    linear-gradient(var(--amber), var(--amber)) 0 0 / 12px 2px no-repeat,
    linear-gradient(var(--amber), var(--amber)) 0 0 / 2px 12px no-repeat,
    linear-gradient(var(--line-2), var(--line-2)) 100% 100% / 12px 2px no-repeat,
    linear-gradient(var(--line-2), var(--line-2)) 100% 100% / 2px 12px no-repeat,
    var(--panel);
  border: 1px solid var(--line);
}

.u { font-family: var(--mono); font-size: .5em; color: var(--mute); margin-left: .3em; font-weight: 400; letter-spacing: .02em; }
.eyebrow { font: 600 11px/1.2 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.alert { color: var(--warn); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--none); flex: none; }

/* ---------- cabeçalho ---------- */
.mast {
  width: min(100% - 2 * var(--gut), 1680px);
  margin: 0 auto;
  padding: 14px 0 12px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(10px, 2.5vw, 32px);
}
.logo { border-radius: 3px; border: 1px solid var(--line-2); }
.logo-cmt { height: clamp(34px, 5.2vw, 58px); width: auto; border-radius: 5px;}

.mast-title { text-align: center; min-width: 0; }
.kicker { display: block; font: 600 clamp(9px, 1.3vw, 11px)/1.3 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--mute); }
.mast h1 { font: 700 clamp(20px, 3.6vw, 36px)/1.1 var(--sans); letter-spacing: -.01em; margin-bottom: 4px;}
.mast h1 span { color: var(--faint); font-weight: 300; }
.mast h1 em { font-style: normal; font-weight: 300; color: var(--ink); }

/* ---------- barra: abas + status ---------- */
.bar {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  border-block: 1px solid var(--line);
}
.bar > * { width: auto; }
.bar { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px 20px; padding: 0 var(--gut); }
.tabs {
  display: flex; align-items: stretch; gap: 2px;
  overflow-x: auto; scrollbar-width: none; scroll-snap-type: x proximity;
  max-width: 1680px;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  scroll-snap-align: center;
  display: inline-flex; align-items: center; gap: 8px; flex: none;
  min-height: 46px; padding: 0 14px;
  font: 600 13px/1 var(--mono); letter-spacing: .03em; color: var(--mute);
  border-bottom: 2px solid transparent; white-space: nowrap;
  transition: color .15s, border-color .15s, background .15s;
}
.tab:hover { color: var(--ink); background: var(--panel); }
.tab.active { color: var(--ink); border-color: var(--amber); background: var(--panel); }
.tab-home { font-family: var(--sans); text-transform: uppercase; letter-spacing: .12em; font-size: 11.5px; margin-right: 6px; }
.tab-sep { align-self: center; flex: none; width: 20px; height: 20px; margin: 0 4px 0 12px; display: grid; place-items: center; font: 600 10px/1 var(--mono); color: var(--faint); border: 1px solid var(--line-2); border-radius: 50%; }
.tab .dot { width: 7px; height: 7px; }
[data-state="on"] > .dot, .tab[data-state="on"] .dot { background: var(--ok); }
.tab[data-state="off"] .dot { background: var(--faint); }
.tab[data-state="delayed"] .dot, .tab[data-state="unknown"] .dot { background: var(--warn-fill); }

.tools { display: flex; align-items: center; gap: 14px; padding: 6px 0; }
.link { display: flex; align-items: center; gap: 9px; }
.link .dot { background: var(--none); }
.link[data-state="live"] .dot { background: var(--ok); }
.link[data-state="warn"] .dot { background: var(--warn-fill); }
.link b { display: block; font-size: 12.5px; line-height: 1.2; }
.link small, .clock small { display: block; font: 11px/1.3 var(--sans); color: var(--mute); }
.clock { text-align: right; }
.clock b { font: 600 15px/1.2 var(--mono); font-variant-numeric: tabular-nums; }
.btn {
  width: 38px; height: 38px; display: grid; place-items: center; cursor: pointer;
  background: transparent; color: var(--ink); border: 1px solid var(--line-2); border-radius: 3px;
}
.btn:hover { border-color: var(--amber); color: var(--accent); }
.btn svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.btn svg .fill { fill: currentColor; }


/* ---------- conteúdo ---------- */
main { flex: 1; width: min(100% - 2 * var(--gut), 1680px); margin: 0 auto; padding: var(--main-pt) 0 36px; outline: none; }

.ov-head, .sh-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.ov-head h2, .sh-row h2 { font: 700 clamp(26px, 4.4vw, 46px)/1.05 var(--sans); letter-spacing: -.02em; margin-top: 6px; }
.sh-row h2 { font-family: var(--mono); letter-spacing: -.03em; }
.ov-sum { color: var(--mute); font-size: 14px; }
.ov-sum b { color: var(--ink); font-family: var(--mono); }

.axis { margin-top: clamp(20px, 3vw, 34px); }
.axis-title { display: flex; align-items: baseline; gap: 14px; font: 700 12px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; margin-bottom: 14px; }
.axis-title::after { content: ""; flex: 1; height: 1px; background: var(--line-2); order: 2; }
.axis-title em { font-style: normal; font-weight: 500; letter-spacing: .08em; color: var(--mute); order: 3; }

/* ---------- visão geral: cartões ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 232px), 1fr)); gap: clamp(10px, 1.2vw, 16px); }
.card {
  display: flex; flex-direction: column; gap: 12px; padding: 16px 16px 14px;
  transition: transform .15s, border-color .15s, background-color .15s;
}
.card:hover { transform: translateY(-2px); border-color: var(--line-2); background-color: var(--panel-2); }
.card[data-state="nodata"] { background-color: var(--bg); border-style: dashed; }
.card[data-state="nodata"] .c-name, .card[data-state="nodata"] .c-main b { color: var(--faint); }
.c-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.c-name { font: 700 17px/1 var(--mono); letter-spacing: -.02em; }
.c-main { display: flex; align-items: baseline; flex-wrap: wrap; row-gap: 2px; }
.c-main b { font: 500 clamp(34px, 3.1vw, 46px)/1 var(--mono); letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.c-main .u { font-size: 17px; }
.c-cap { flex-basis: 100%; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); margin-top: 4px; }
.c-grid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; padding-top: 12px; border-top: 1px dashed var(--line-2); }
.c-grid dt { font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); }
.c-grid dd { margin: 2px 0 0; font: 400 12px var(--mono); color: var(--mute); }
.c-grid dd b { font-size: 17px; color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.c-load { height: 5px; background: var(--line); position: relative; overflow: hidden; }
.c-load i { position: absolute; inset: 0 auto 0 0; background: var(--amber); transition: width .6s cubic-bezier(.2, .7, .2, 1); }
.c-foot { display: flex; justify-content: space-between; gap: 8px; font: 11px/1.2 var(--mono); color: var(--faint); }

/* pílula de estado */
.pill { display: inline-flex; align-items: center; gap: 7px; font: 700 10px/1 var(--sans); letter-spacing: .1em; padding: 5px 8px 5px 7px; border: 1px solid var(--line-2); color: var(--mute); white-space: nowrap; }
.pill[data-state="on"] { color: var(--ok); border-color: var(--ok-line); }
.pill[data-state="on"] .dot { background: var(--ok); }
.pill[data-state="off"] .dot { background: var(--faint); }
.pill[data-state="delayed"], .pill[data-state="unknown"] { color: var(--warn); border-color: var(--warn-line); }
.pill[data-state="delayed"] .dot, .pill[data-state="unknown"] .dot { background: var(--warn-fill); }
.pill-lg { font-size: 12px; padding: 8px 12px 8px 10px; }
.pill-lg .dot { width: 11px; height: 11px; }

/* ---------- detalhe ---------- */
.back { display: inline-block; font: 600 12px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); padding: 6px 0; margin-bottom: 10px; }
.back:hover { color: var(--accent); }
.sh-meta { display: flex; flex-direction: column; gap: 4px; align-items: flex-start; font-size: 12.5px; color: var(--mute); }
.sh-meta b { color: var(--ink); font-family: var(--mono); font-weight: 500; }
.demo-tag { color: var(--accent) !important; letter-spacing: .06em; text-transform: uppercase; font-family: var(--sans) !important; font-size: 11px; font-weight: 700 !important; }

.stage { display: grid; grid-template-columns: 1fr; gap: clamp(14px, 2vw, 24px); margin-top: clamp(16px, 2.4vw, 28px); }
.side { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-content: start; }
.side-title { grid-column: 1 / -1; display: flex; align-items: baseline; justify-content: space-between; font: 700 12px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; padding-bottom: 10px; border-bottom: 1px solid var(--line-2); }
.side-title em { font: 500 13px var(--mono); font-style: normal; color: var(--amber); letter-spacing: .02em; }

.readout { position: relative; padding: 14px 14px 12px; background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--ok); min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.readout[data-state="warn"] { border-left-color: var(--warn-fill); }
.readout[data-state="bad"] { border-left-color: var(--bad); }
.readout[data-state="none"] { border-left-color: var(--none); }
.r-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.r-label { font: 600 10.5px/1.35 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.r-tag { font: 600 10px/1 var(--mono); color: var(--faint); border: 1px solid var(--line-2); padding: 3px 5px; }
.r-val { display: flex; align-items: baseline; white-space: nowrap; }
.r-val b { font: 400 clamp(32px, 6.2vw, 56px)/1 var(--mono); letter-spacing: -.055em; font-variant-numeric: tabular-nums; }
.readout[data-state="warn"] .r-val b { color: var(--warn); }
.readout[data-state="bad"] .r-val b { color: var(--bad); }
.r-val .u { font-size: clamp(14px, 1.6vw, 20px); }
.trend { margin-left: 8px; font-size: 12px; align-self: center; }
.trend.up { color: var(--ok); } .trend.down { color: var(--warn); }
.r-ph { display: flex; gap: 12px; flex-wrap: wrap; font: 11px var(--mono); color: var(--faint); }
.r-ph b { color: var(--mute); font-weight: 500; }
.r-foot { display: flex; justify-content: space-between; gap: 6px; flex-wrap: wrap; font: 11px var(--mono); color: var(--faint); }

/* régua */
.ruler { position: relative; height: 14px; margin: 2px 0; background:
  repeating-linear-gradient(90deg, var(--line-2) 0 1px, transparent 1px 10%) bottom / 100% 5px no-repeat; }
.ruler::after { content: ""; position: absolute; left: 0; right: 0; bottom: 5px; height: 1px; background: var(--line-2); }
.ruler-v .band { position: absolute; left: var(--b1); width: calc(var(--b2) - var(--b1)); bottom: 5px; height: 4px; background: var(--ok-band); }
.ruler-v .mark, .ruler-i .mark { position: absolute; left: var(--pos); bottom: 0; width: 2px; height: 14px; background: var(--ink); transform: translateX(-1px); transition: left .6s cubic-bezier(.2, .7, .2, 1); }
.ruler-v .mark::before { content: ""; position: absolute; top: -3px; left: -3px; border: 4px solid transparent; border-top-color: var(--ink); border-bottom: 0; }
.ruler-i .fill { position: absolute; left: 0; width: var(--pos); bottom: 5px; height: 4px; background: var(--amber); transition: width .6s cubic-bezier(.2, .7, .2, 1); }
.ruler-i .cap { position: absolute; left: var(--cap); bottom: 0; width: 1px; height: 14px; background: var(--faint); }
.readout[data-state="warn"] .ruler-i .fill { background: var(--warn-fill); }
.readout[data-state="bad"] .ruler-i .fill { background: var(--bad); }

/* transformador */
.xfmr { margin: 0; display: flex; flex-direction: column; justify-content: center; gap: 10px; min-width: 0; }
.xfmr-frame { padding: clamp(4px, 1.5vw, 18px) clamp(0px, 1vw, 8px); }
.xfmr-frame img { width: 100%; max-height: 420px; object-fit: contain; filter: var(--obj-shadow); }
.xfmr[data-state="off"] img, .xfmr[data-state="nodata"] img { filter: grayscale(1) brightness(.75) var(--obj-shadow); }
.xfmr-rule { display: flex; align-items: center; gap: 12px; font: 600 11px var(--mono); color: var(--mute); letter-spacing: .06em; }
.xfmr-rule i { flex: 1; height: 7px; border-inline: 1px solid var(--line-2); background: linear-gradient(var(--line-2), var(--line-2)) center / 100% 1px no-repeat; }

/* faixa de grandezas de apoio */
.strip { margin: clamp(16px, 2.4vw, 28px) 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); }
.strip .cell { padding: 14px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 -1px -1px 0; min-width: 0; }
.strip dt, .cell dt { font: 600 10.5px/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.strip dd { margin: 6px 0 0; display: flex; align-items: baseline; white-space: nowrap; }
.strip dd b { font: 400 clamp(22px, 2.3vw, 32px)/1.1 var(--mono); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.cell-state { grid-column: span 2; display: flex; flex-direction: column; gap: 6px; }
.cell-state dd { align-items: center; gap: 10px; margin: 2px 0 4px; }
.cell-state dd b { font: 700 clamp(17px, 2vw, 22px)/1.1 var(--sans); letter-spacing: .02em; }
.lamp { width: 14px; height: 14px; border-radius: 50%; background: var(--none); flex: none; }
.cell-state[data-state="on"] .lamp { background: var(--ok); outline: 3px solid var(--ok-line); outline-offset: 2px; }
.cell-state[data-state="on"] dd b { color: var(--ok); }
.cell-state[data-state="delayed"] .lamp, .cell-state[data-state="unknown"] .lamp { background: var(--warn-fill); }
.meta { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--mute); }
.meta b { font-family: var(--mono); font-weight: 500; color: var(--ink); }
.cell-load { display: flex; flex-direction: column; gap: 4px; }
.cell-load dd { margin: 2px 0 2px; }
.cell-load[data-state="warn"] dd b { color: var(--warn); }

/* ---------- unifilar ---------- */
.unifilar { margin-top: clamp(22px, 3.4vw, 44px); }
.uni-wrap { padding: clamp(12px, 2vw, 24px); container-type: inline-size; }
.uni { display: flex; flex-direction: column; align-items: stretch; }

.u-card { --c: var(--faint); position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 8px; text-align: center; min-width: 0; padding: 18px 16px; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--c); overflow: hidden; }
.u-card[data-on="1"] { --c: var(--ok); }
.u-card h4 { font: 700 12px/1.35 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.u-vals { display: block; font: 12.5px var(--mono); color: var(--mute); }
.u-vals b { color: var(--ink); font-weight: 500; font-size: 15px; font-variant-numeric: tabular-nums; }
.u-sub { font: 11.5px var(--mono); color: var(--faint); }
.u-lname { display: block; font: 700 13px var(--mono); color: var(--ink); }

/* ícones em traço */
.u-ico { display: inline-flex; flex: none; }
.u-ico svg { width: 46px; height: 40px; fill: none; stroke: var(--c); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.u-ico svg .solid { fill: var(--c); stroke: none; }
.u-ico-lg svg { width: 58px; height: 52px; }
.u-ico-xl svg { width: 84px; height: 72px; }

/* cabeçalho com tarja suave (linhas e cargas) */
.u-head { align-self: stretch; display: flex; align-items: center; justify-content: center; gap: 12px; margin: -18px -16px 4px; padding: 14px 16px; background: var(--panel-2); }
.u-card[data-on="1"] .u-head { background: var(--ok-soft); }
.u-head h4 { text-align: left; }
.u-card-loads .u-head h4 { text-align: center; color: var(--ink); }

/* barramento: barra grossa no topo */
.u-card-bus { padding-top: 38px; }
.u-bar { position: absolute; left: 16px; right: 16px; top: 16px; height: 8px; background: var(--c); }
.u-big { font: 400 clamp(20px, 2.2vw, 26px)/1.1 var(--mono); color: var(--mute); letter-spacing: -.03em; }
.u-big b { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }

/* linhas de transmissão e cargas */
.u-lines, .u-loads { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; width: 100%; align-items: stretch; }
.u-line { display: grid; grid-template-columns: auto 1fr; column-gap: 8px; row-gap: 2px; text-align: left; align-items: center; }
.u-line .u-vals, .u-line .u-dir { grid-column: 2; }
.u-dirmark { grid-row: span 3; width: 0; height: 0; border: 7px solid transparent; border-left: 11px solid var(--faint); border-right: 0; }
.u-line[data-flow="in"] .u-dirmark { border-left-color: var(--ok); }
.u-line[data-flow="out"] .u-dirmark { border-left-color: var(--warn-fill); }
.u-dir { font: 10.5px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.u-load { display: flex; align-items: center; gap: 12px; text-align: left; padding-top: 12px; border-top: 1px solid var(--line); }
.u-load:first-child { padding-top: 0; border-top: 0; }

/* setas tracejadas entre os cartões */
.u-arrow { --a: var(--faint); position: relative; align-self: center; flex: none; width: 0; height: 36px; border-left: 2px dashed var(--a); }
.u-arrow::after { content: ""; position: absolute; left: -6px; bottom: -2px; border: 5px solid transparent; border-top: 9px solid var(--a); border-bottom: 0; }
.u-arrow[data-flow="rev"]::after { bottom: auto; top: -2px; border-top: 0; border-bottom: 9px solid var(--a); }
.u-arrow[data-on="1"] { --a: var(--ok); }

@container (min-width: 900px) {
  .uni { flex-direction: row; }
  .u-card { flex: 1 1 0; }
  .u-card-bus { flex: .8 1 0; }
  .u-card-trafo { flex: .9 1 0; }
  .u-arrow { width: clamp(30px, 3.6cqw, 52px); height: 0; border-left: 0; border-top: 2px dashed var(--a); }
  .u-arrow::after { left: auto; right: -2px; bottom: auto; top: -6px; border: 5px solid transparent; border-left: 9px solid var(--a); border-right: 0; }
  .u-arrow[data-flow="rev"]::after { right: auto; left: -2px; top: -6px; border: 5px solid transparent; border-right: 9px solid var(--a); border-left: 0; }
}

/* ---------- vazio / rodapé ---------- */
.empty { padding: 40px 0; display: grid; gap: 12px; }
.foot { width: min(100% - 2 * var(--gut), 1680px); margin: 0 auto; padding: 14px 0 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; font: 11px/1.4 var(--sans); letter-spacing: .06em; color: var(--faint); text-transform: uppercase; }

/* ---------- animação ao atualizar ---------- */
.flash { animation: flash 1.6s steps(8, end); }
@keyframes flash { 0% { background: var(--tab-active); } 100% { background: transparent; } }

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

/* ---------- responsivo ---------- */
@media (max-width: 1099px) { .link small, .clock small { display: none; } }
@media (max-width: 719px) {
  .bar { position: static; }
  .mast { grid-template-columns: auto auto; grid-template-areas: "a b" "t t"; justify-content: space-between; row-gap: 8px; }
  .logo-cmt { grid-area: a; } .midr { grid-area: b; } .mast-title { grid-area: t; }
  .bar { grid-template-columns: 1fr; gap: 0; padding: 0; }
  .tabs { padding: 0 var(--gut); }
  .tools { padding: 8px var(--gut); justify-content: space-between; border-top: 1px solid var(--line); gap: 10px; }
  .clock { margin-left: auto; }
  .tab { min-height: 48px; }
  .btn { width: 44px; height: 44px; }
  .cell-state { grid-column: 1 / -1; }
}
@media (max-width: 400px) {
  .side { grid-template-columns: 1fr; }
  .r-val b { font-size: 40px; }
  .grid { grid-template-columns: 1fr; }
  .link small { display: none; }
}

@media (min-width: 720px) {
  .side { grid-template-columns: 1fr 1fr; }
  .stage { grid-template-columns: 1fr 1fr; grid-template-areas: "x x" "a b"; }
  .xfmr { grid-area: x; }
  .side-at { grid-area: a; } .side-bt { grid-area: b; }
  .xfmr-frame img { max-height: 340px; }
}

@media (min-width: 1180px) {
  .stage { grid-template-columns: minmax(280px, 1fr) minmax(0, 1.55fr) minmax(280px, 1fr); grid-template-areas: "a x b"; align-items: center; }
  .side { grid-template-columns: 1fr; }
  .r-val b { font-size: clamp(40px, 3.6vw, 60px); }
  .xfmr-frame img { max-height: 460px; }
}

@media (min-width: 1700px) {
  body { font-size: 16px; }
  .mast, .foot, main { width: min(100% - 2 * var(--gut), 1840px); }
  .tabs { max-width: 1840px; }
  .logo-cmt { height: 64px; }
  .midr { --mh: 64px; }
}

@media print { .bar, .tools { display: none; } }

/* ---------- estados em cores sólidas ---------- */
.pill[data-state="on"] { background: var(--ok-soft); border-color: var(--ok-line); color: var(--ok-ink); }
.pill[data-state="on"] .dot { background: var(--ok); }
.pill[data-state="delayed"], .pill[data-state="unknown"] { background: var(--warn-soft); border-color: var(--warn-line); color: var(--warn); }
.pill[data-state="delayed"] .dot, .pill[data-state="unknown"] .dot { background: var(--warn-fill); }
.pill[data-state="off"] { background: var(--panel-2); border-color: var(--line-2); color: var(--mute); }
.tab.active { background: var(--amber); color: var(--on-accent); border-color: var(--amber); }
.tab.active .dot { outline: 2px solid var(--on-accent); }
.c-load i, .ruler-i .fill { background: var(--amber); }
.readout { border-left-width: 5px; }
.readout[data-kind="i"][data-state="ok"] { border-left-color: var(--amber); }
.cell-state[data-state="on"] dd b { color: var(--ok-ink); }
.bar { background: var(--panel-2); }

/* faixa de topo da tela de detalhe: imagem de fundo suavizada, de ponta a ponta da janela */
.hero { position: relative; isolation: isolate; overflow: hidden; width: 100cqw; margin: calc(-1 * var(--main-pt)) 0 0 calc(50% - 50cqw); background: var(--stage-bg); border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; inset: -12px; z-index: -1; pointer-events: none; background: url("../assets/fundo.webp") center / cover no-repeat; filter: blur(3px); opacity: .55; }
.hero-in { width: min(100% - 2 * var(--gut), 1680px); margin: 0 auto; padding: var(--main-pt) 0 clamp(18px, 2.6vw, 34px); }
@media (min-width: 1700px) { .hero-in { width: min(100% - 2 * var(--gut), 1840px); } }
.xfmr { background: none; border: 0; padding: 0; }

/* tema escuro: sem imagem de fundo na faixa de topo */
:root:not([data-theme="light"]) .hero::before { display: none; }

/* ajustes finos do unifilar */
.u-head h4 { min-width: 0; overflow-wrap: anywhere; }
.u-head .u-ico-lg svg { width: 48px; height: 44px; }
.u-line .u-vals { font-size: 11.5px; }
.u-line .u-vals b { font-size: 13.5px; }
@container (min-width: 900px) { .u-card-line { flex: 1.45 1 0; } }

/* indicador de conexão: só a bolinha (verde = recebendo, laranja = atrasado, cinza = sem dados) */
.link b, .link small { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.link .dot { width: 11px; height: 11px; }

/* metadados do cabeçalho da SE: mais compactos */
.sh-meta { font-size: 11px; gap: 2px; }
.sh-meta .pill-lg { font-size: 10px; padding: 5px 9px 5px 8px; margin-bottom: 3px; }
.sh-meta .pill-lg .dot { width: 8px; height: 8px; }
.demo-tag { font-size: 9.5px !important; }

/* abas: hover e seleção em cinza suave, combinando com cada tema */
.tab:hover { background: var(--tab-hover); color: var(--ink); }
.tab.active { background: var(--tab-active); color: var(--ink); border-bottom-color: var(--accent); }
.tab.active .dot { outline: 0; }

/* logos do cabeçalho */
.logo-cmt { background: #fff; border: 0; border-radius: 2px; padding: 0; object-fit: contain; }
.midr { --mh: clamp(34px, 5.2vw, 58px); display: flex; align-items: center; gap: clamp(8px, 1.2vw, 14px); height: var(--mh); justify-self: end; }
.brasao { height: 100%; aspect-ratio: 1 / 1; width: auto; object-fit: cover; flex: none; border: 0; border-radius: 0; }
.midr-name { margin: 0; display: flex; flex-direction: column; justify-content: center; text-transform: uppercase; color: var(--ink); font-family: Raleway, Montserrat, "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; font-size: calc(var(--mh) * .17); line-height: 1.32; letter-spacing: .2em; white-space: nowrap; }
.midr-name span { font-weight: 500; }
.midr-name b { font-weight: 800; }
@media (max-width: 719px) { .midr-name { font-size: 8px; letter-spacing: .14em; } .midr { --mh: 40px; } }
@media (max-width: 400px) { .midr-name { display: none; } }

/* indicador de conexão da barra superior oculto (o estado continua nas abas de cada SE) */
.link { display: none; }

/* ---------- reator (SE com reator) ---------- */
.reator { margin-top: clamp(22px, 3.4vw, 44px); }
.reator-wrap { display: grid; grid-template-columns: 1fr; }
.reator-fig { margin: 0; display: grid; place-items: center; padding: clamp(8px, 1.6vw, 20px); background: var(--stage-bg); border-bottom: 1px solid var(--line); }
.reator-fig img { width: 100%; max-width: 420px; height: auto; filter: var(--obj-shadow); }
.reator-fig[data-state="off"] img, .reator-fig[data-state="nodata"] img { filter: grayscale(1) brightness(.8) var(--obj-shadow); }
.reator-wrap .strip { margin: 0; }
@media (min-width: 900px) {
  .reator-wrap { grid-template-columns: minmax(260px, .9fr) 2fr; }
  .reator-fig { border-bottom: 0; border-right: 1px solid var(--line); }
  .reator-grid { grid-template-columns: repeat(2, 1fr); align-content: stretch; }
  .reator-grid .cell-state { grid-column: 1 / -1; }
}

/* 2º transformador: mesmo fundo do transformador principal e grade de 3 colunas (seção mais baixa) */
.tr2-fig { position: relative; isolation: isolate; overflow: hidden; }
.tr2-fig::before { content: ""; position: absolute; inset: -12px; z-index: -1; pointer-events: none; background: url("../assets/fundo.webp") center / cover no-repeat; filter: blur(3px); opacity: .55; }
:root:not([data-theme="light"]) .tr2-fig::before { display: none; }
@media (min-width: 900px) {
  .reator-wrap.tr2 { grid-template-columns: minmax(260px, .8fr) 2.2fr; }
  .tr2 .reator-grid { grid-template-columns: repeat(6, 1fr); }
  .tr2 .reator-grid .cell { grid-column: span 2; }
  .tr2 .reator-grid .cell-state { grid-column: span 2; }
  .tr2 .reator-grid .cell-load { grid-column: span 4; }
  .tr2 .reator-grid .cell:nth-last-child(-n+2) { grid-column: span 3; } /* últimas duas ocupam a linha toda */
}

/* placa do transformador: a potência de cada SE é escrita sobre a imagem (SVG com a mesma proporção da imagem) */
.xfmr-img { position: relative; width: fit-content; max-width: 100%; margin: 0 auto; }
.xfmr-frame img { width: auto; max-width: 100%; height: auto; display: block; }
.xfmr-plate { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.xfmr-plate text { font: 700 46px var(--sans); fill: #1d2428; letter-spacing: .5px; }

.reator-img { position: relative; width: 100%; max-width: 420px; }
.reator-fig .reator-img img { max-width: 100%; display: block; }