/* ==========================================================================
   MetroOps · Grupo Jet — Design System
   Tema: grafite profundo + laranja Grupo Jet (#F26B21) + ciano info.
   Pensado para NOC: legível de longe (TV 75" 4K) e denso no notebook.
   ========================================================================== */

:root {
  /* superfícies — grafite profundo levemente azulado */
  --bg:          #0A0D14;
  --panel:       #11161F;
  --panel-2:     #161D29;
  --panel-3:     #1C2534;
  --border:      #242F44;
  --border-soft: #1B2433;

  /* texto */
  --text:  #EBF0F8;
  --muted: #96A2BA;
  --faint: #5F6C86;

  /* marca */
  --orange:      #F26B21;
  --orange-2:    #FF8A3D;
  --orange-soft: rgba(242, 107, 33, .13);
  --cyan:        #2FC7E3;
  --cyan-soft:   rgba(47, 199, 227, .12);

  /* semânticas */
  --green:      #35C37C;
  --green-soft: rgba(53, 195, 124, .13);
  --amber:      #F0A62C;
  --amber-soft: rgba(240, 166, 44, .14);
  --red:        #F0574B;
  --red-soft:   rgba(240, 87, 75, .13);
  --gray:       #7D8AA0;
  --gray-soft:  rgba(125, 138, 160, .16);

  --radius:    .875rem;
  --radius-lg: 1.125rem;
  --shadow:    0 1px 2px rgba(0,0,0,.45), 0 10px 28px -14px rgba(0,0,0,.55);
  --shadow-lg: 0 2px 4px rgba(0,0,0,.45), 0 18px 44px -16px rgba(0,0,0,.6);
  --ring:      0 0 0 3px rgba(242, 107, 33, .28);

  --sidebar-w: 15.5rem;
  --ease: cubic-bezier(.22, .68, .32, 1);
}

/* escala tipográfica fluida — sobe em telas grandes (TV 4K) */
html { font-size: 15px; }
@media (min-width: 100rem)  { html { font-size: 16px; } }
@media (min-width: 137.5rem){ html { font-size: 19px; } }  /* ~2200px: TV 4K */
@media (min-width: 187.5rem){ html { font-size: 22px; } }  /* ~3000px: 4K em 150% */

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(242,107,33,.07), transparent 60%),
    radial-gradient(50rem 26rem at -10% 0%, rgba(47,199,227,.05), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "tnum" 1, "cv05" 1;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(242,107,33,.35); }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #6FDDF0; }

:focus-visible { outline: none; box-shadow: var(--ring); border-radius: .375rem; }

/* scrollbars discretas */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
*::-webkit-scrollbar { width: .6rem; height: .6rem; }
*::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
*::-webkit-scrollbar-track { background: transparent; }

/* ==========================================================================
   Estrutura: sidebar + shell
   ========================================================================== */

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  position: sticky; top: 0;
  height: 100vh;
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, #10141D 0%, #0C1017 100%);
  border-right: 1px solid var(--border-soft);
  padding: 1.25rem .9rem 1rem;
  z-index: 20;
}

.brand {
  display: flex; align-items: center; gap: .7rem;
  padding: .35rem .5rem 1.1rem;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 1rem;
}
.brand:hover { color: inherit; }
.brand-mark {
  width: 2.5rem; height: 2.5rem; flex: 0 0 2.5rem;
  border-radius: .75rem;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--orange) 0%, #D9541A 100%);
  box-shadow: 0 4px 14px -4px rgba(242,107,33,.55);
}
.brand-mark svg { width: 1.5rem; height: 1.5rem; }
.brand-name { font-size: 1.18rem; font-weight: 800; letter-spacing: .02em; color: var(--text); line-height: 1.1; }
.brand-name em { font-style: normal; color: var(--orange-2); }
.brand-sub {
  font-size: .62rem; font-weight: 700; letter-spacing: .22em;
  color: var(--faint); text-transform: uppercase; margin-top: .15rem;
}

.nav-label {
  font-size: .62rem; font-weight: 700; letter-spacing: .18em;
  color: var(--faint); text-transform: uppercase;
  padding: .4rem .6rem .45rem;
}

.nav { display: flex; flex-direction: column; gap: .2rem; }
.nav a {
  display: flex; align-items: center; gap: .65rem;
  padding: .55rem .6rem;
  border-radius: .625rem;
  color: var(--muted);
  font-size: .92rem; font-weight: 600;
  border: 1px solid transparent;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
  position: relative;
}
.nav a svg { width: 1.1rem; height: 1.1rem; flex: 0 0 1.1rem; opacity: .85; }
.nav a:hover { background: var(--panel-2); color: var(--text); }
.nav a.active {
  background: var(--orange-soft);
  border-color: rgba(242,107,33,.35);
  color: var(--orange-2);
}
.nav a.active::before {
  content: ""; position: absolute; left: -.9rem; top: 20%; bottom: 20%;
  width: .2rem; border-radius: 999px; background: var(--orange);
}
.nav a.active svg { opacity: 1; }

.pill {
  margin-left: auto;
  min-width: 1.35rem; height: 1.35rem; padding: 0 .4rem;
  border-radius: 999px;
  display: inline-grid; place-items: center;
  font-size: .68rem; font-weight: 800;
  background: var(--red); color: #fff;
  box-shadow: 0 0 0 3px rgba(240,87,75,.15);
}
.pill.warn { background: var(--amber); color: #22170A; box-shadow: 0 0 0 3px rgba(240,166,44,.15); }

.sidebar-foot {
  margin-top: auto;
  padding: .9rem .6rem .2rem;
  border-top: 1px solid var(--border-soft);
  font-size: .72rem; color: var(--faint); line-height: 1.6;
}
.sidebar-foot b { color: var(--muted); font-weight: 700; }

/* shell --------------------------------------------------------------- */

.shell { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 15;
  display: flex; align-items: center; gap: 1rem;
  padding: .8rem 1.75rem;
  background: rgba(10, 13, 20, .82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-title { font-size: .95rem; font-weight: 700; letter-spacing: .01em; }
.topbar-title small { display: block; font-size: .7rem; font-weight: 600; color: var(--faint); letter-spacing: .12em; text-transform: uppercase; }

.top-meta { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.refresh-chip {
  display: flex; align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 600; color: var(--muted);
  background: var(--panel-2); border: 1px solid var(--border-soft);
  padding: .35rem .7rem; border-radius: 999px;
}
.refresh-chip .dot {
  width: .45rem; height: .45rem; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(53,195,124,.5);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(53,195,124,.45); }
  70% { box-shadow: 0 0 0 .5rem rgba(53,195,124,0); }
  100% { box-shadow: 0 0 0 0 rgba(53,195,124,0); }
}
.refresh-track { width: 4.5rem; height: .28rem; border-radius: 999px; background: var(--panel-3); overflow: hidden; }
.refresh-bar { height: 100%; width: 100%; background: linear-gradient(90deg, var(--orange), var(--orange-2)); border-radius: 999px; transition: width 1s linear; }
.clock { font-size: .85rem; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.clock small { display: block; font-size: .66rem; font-weight: 600; color: var(--faint); text-align: right; }

main { flex: 1; padding: 1.6rem 1.75rem 2.5rem; max-width: 110rem; width: 100%; margin: 0 auto; }

footer {
  padding: 1.1rem 1.75rem 1.4rem;
  color: var(--faint); font-size: .74rem;
  border-top: 1px solid var(--border-soft);
  display: flex; gap: .5rem; flex-wrap: wrap;
}
footer .sep { opacity: .4; }

/* ==========================================================================
   Cabeçalho de página
   ========================================================================== */

.page-head { margin-bottom: 1.4rem; display: flex; align-items: flex-end; gap: 1rem; flex-wrap: wrap; }
.page-head h1 { font-size: 1.55rem; font-weight: 800; letter-spacing: -.01em; }
.page-head .sub { color: var(--muted); font-size: .85rem; margin-top: .25rem; max-width: 60rem; }
.page-head .actions { margin-left: auto; display: flex; gap: .6rem; align-items: center; }

/* ==========================================================================
   KPIs / hero
   ========================================================================== */

.kpi-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr));
  margin-bottom: 1rem;
}
.kpi {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 1.05rem 1.2rem 1.1rem;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.kpi::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--kpi-accent, var(--cyan)), transparent);
  opacity: .75;
}
.kpi:hover { transform: translateY(-2px); border-color: var(--border); box-shadow: var(--shadow-lg); }
.kpi .label {
  font-size: .68rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: .45rem;
}
.kpi .label svg { width: .95rem; height: .95rem; color: var(--kpi-accent, var(--cyan)); }
.kpi .value {
  font-size: clamp(2.1rem, 2.6vw, 3rem);
  font-weight: 800; letter-spacing: -.02em; line-height: 1.05;
  margin-top: .45rem; font-variant-numeric: tabular-nums;
  color: var(--kpi-accent, var(--text));
}
.kpi .value small { font-size: .42em; font-weight: 700; color: var(--muted); letter-spacing: 0; }
.kpi .hint { font-size: .74rem; color: var(--faint); margin-top: .3rem; }
.kpi.accent-orange { --kpi-accent: var(--orange-2); }
.kpi.accent-green  { --kpi-accent: var(--green); }
.kpi.accent-red    { --kpi-accent: var(--red); }
.kpi.accent-gray   { --kpi-accent: var(--gray); }
.kpi.accent-cyan   { --kpi-accent: var(--cyan); }

/* barra de proporção ---------------------------------------------------- */

.prop-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 1rem 1.2rem 1.1rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.6rem;
}
.prop-card .prop-head { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: .7rem; }
.prop-card .prop-title { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.prop-card .prop-total { font-size: .8rem; color: var(--faint); }

.propbar {
  display: flex; height: .85rem; border-radius: 999px; overflow: hidden;
  background: var(--gray-soft);
}
.propbar > span { display: block; height: 100%; transition: width .7s var(--ease); min-width: 0; }
.propbar .seg-a { background: linear-gradient(90deg, #2AA96A, var(--green)); }
.propbar .seg-i { background: linear-gradient(90deg, #D94338, var(--red)); }
.propbar .seg-d { background: linear-gradient(90deg, #66738B, var(--gray)); }

.prop-legend { display: flex; gap: 1.2rem; flex-wrap: wrap; margin-top: .65rem; font-size: .76rem; color: var(--muted); }
.prop-legend .lg { display: inline-flex; align-items: center; gap: .4rem; }
.prop-legend .sw { width: .6rem; height: .6rem; border-radius: .2rem; }
.prop-legend .sw.a { background: var(--green); }
.prop-legend .sw.i { background: var(--red); }
.prop-legend .sw.d { background: var(--gray); }
.prop-legend b { color: var(--text); font-variant-numeric: tabular-nums; }

/* ==========================================================================
   Cards de OLT
   ========================================================================== */

.section-title {
  font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); margin: 1.8rem 0 .9rem;
  display: flex; align-items: center; gap: .7rem;
}
.section-title::after { content: ""; flex: 1; height: 1px; background: var(--border-soft); }
.section-title .count { color: var(--faint); font-weight: 700; letter-spacing: .05em; }

.olt-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(19.5rem, 1fr));
}

.olt-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 1.05rem 1.15rem 1rem;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: .75rem;
  position: relative;
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.olt-card:hover { transform: translateY(-3px); border-color: rgba(242,107,33,.45); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(242,107,33,.12); }
.olt-card.is-down { border-color: rgba(240,87,75,.35); }
.olt-card.is-down:hover { border-color: rgba(240,87,75,.6); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(240,87,75,.15); }

.olt-card .stretched { position: absolute; inset: 0; border-radius: inherit; z-index: 1; }

.olt-head { display: flex; align-items: flex-start; gap: .7rem; }
.olt-head .names { min-width: 0; }
.olt-head h3 { font-size: 1.02rem; font-weight: 800; letter-spacing: -.01em; }
.olt-head h3 a { color: var(--text); }
.olt-head .site { color: var(--muted); font-size: .76rem; margin-top: .15rem; }
.olt-head .site .mono { color: var(--faint); }

.status-dot {
  width: .62rem; height: .62rem; border-radius: 50%; flex: 0 0 .62rem;
  margin-top: .35rem;
  background: var(--green);
  box-shadow: 0 0 .55rem rgba(53,195,124,.8);
}
.status-dot.down { background: var(--red); box-shadow: 0 0 .55rem rgba(240,87,75,.8); animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: .35; } }

.olt-nums { display: flex; gap: 1.1rem; }
.olt-nums .n { min-width: 3.4rem; }
.olt-nums .n b { display: block; font-size: 1.55rem; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.olt-nums .n span { font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.olt-nums .n.ok b { color: var(--green); }
.olt-nums .n.bad b { color: var(--red); }
.olt-nums .n.off b { color: var(--gray); }

.olt-card .propbar { height: .5rem; }

.olt-foot {
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  font-size: .72rem; color: var(--faint);
  border-top: 1px dashed var(--border-soft); padding-top: .65rem;
}
.olt-foot .go { color: var(--orange-2); font-weight: 700; font-size: .74rem; opacity: 0; transform: translateX(-4px); transition: opacity .18s var(--ease), transform .18s var(--ease); }
.olt-card:hover .olt-foot .go { opacity: 1; transform: translateX(0); }

/* ==========================================================================
   Badges / pills de status
   ========================================================================== */

.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .22rem .65rem; border-radius: 999px;
  font-size: .68rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  white-space: nowrap;
}
.badge::before { content: ""; width: .38rem; height: .38rem; border-radius: 50%; background: currentColor; }
.badge.up        { background: var(--green-soft); color: var(--green); }
.badge.down      { background: var(--red-soft);   color: var(--red); }
.badge.down::before { animation: blink 1.6s infinite; }

.badge.sev-critical { background: var(--red-soft);   color: var(--red); }
.badge.sev-warning  { background: var(--amber-soft); color: var(--amber); }
.badge.sev-info     { background: var(--cyan-soft);  color: var(--cyan); }

.badge.st-proposta  { background: var(--amber-soft); color: var(--amber); }
.badge.st-aprovada  { background: var(--cyan-soft);  color: var(--cyan); }
.badge.st-aplicada  { background: var(--green-soft); color: var(--green); }
.badge.st-erro      { background: var(--red-soft);   color: var(--red); }
.badge.st-cancelada { background: var(--gray-soft);  color: var(--gray); }

.badge.st-active,   .badge.st-online  { background: var(--green-soft); color: var(--green); }
.badge.st-inactive, .badge.st-offline { background: var(--red-soft);   color: var(--red); }
.badge.st-disabled, .badge.st-other   { background: var(--amber-soft); color: var(--amber); }

/* ==========================================================================
   Tabelas
   ========================================================================== */

.table-card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.table-scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: .85rem; }
thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--panel-3);
  color: var(--muted);
  font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  text-align: left;
  padding: .7rem .95rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: .62rem .95rem;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: middle;
}
tbody tr { transition: background .12s var(--ease); }
tbody tr:hover { background: rgba(255,255,255,.025); }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty-row td { text-align: center; color: var(--faint); padding: 2.2rem 1rem; font-size: .88rem; }

.mono { font-family: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace; font-size: .92em; }

/* cores utilitárias */
.green { color: var(--green); } .red { color: var(--red); }
.yellow { color: var(--amber); } .gray { color: var(--gray); }
.cyan { color: var(--cyan); }

/* chips de tipo de evento */
.ev-kind {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .72rem; font-weight: 800; letter-spacing: .05em;
  padding: .16rem .55rem; border-radius: 999px;
  background: var(--panel-3); color: var(--muted);
  white-space: nowrap;
}
.ev-kind::before { content: ""; width: .34rem; height: .34rem; border-radius: 50%; background: currentColor; }
.ev-onu_down, .ev-olt_down, .ev-problem_open, .ev-prov_error { background: var(--red-soft); color: var(--red); }
.ev-onu_up, .ev-olt_up, .ev-problem_resolved, .ev-prov_applied { background: var(--green-soft); color: var(--green); }
.ev-alert_burst, .ev-prov_proposta { background: var(--amber-soft); color: var(--amber); }

/* ==========================================================================
   Página de problemas — cards por severidade
   ========================================================================== */

.sev-summary { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); margin-bottom: 1.5rem; }
.sev-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  padding: .95rem 1.15rem;
  display: flex; align-items: center; gap: .9rem;
  box-shadow: var(--shadow);
  border-left: .28rem solid var(--sev, var(--gray));
}
.sev-card .ic {
  width: 2.4rem; height: 2.4rem; border-radius: .7rem; flex: 0 0 2.4rem;
  display: grid; place-items: center;
  background: var(--sev-soft, var(--gray-soft)); color: var(--sev, var(--gray));
}
.sev-card .ic svg { width: 1.3rem; height: 1.3rem; }
.sev-card b { font-size: 1.7rem; font-weight: 800; line-height: 1; color: var(--sev, var(--text)); font-variant-numeric: tabular-nums; }
.sev-card .lbl { font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: .2rem; }
.sev-card.crit { --sev: var(--red);   --sev-soft: var(--red-soft); }
.sev-card.warn { --sev: var(--amber); --sev-soft: var(--amber-soft); }
.sev-card.info { --sev: var(--cyan);  --sev-soft: var(--cyan-soft); }
.sev-card.obs  { --sev: var(--gray);  --sev-soft: var(--gray-soft); }

.prob-list { display: flex; flex-direction: column; gap: .7rem; }
.prob-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-soft);
  border-left: .28rem solid var(--sev, var(--gray));
  border-radius: var(--radius);
  padding: .85rem 1.1rem;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.4fr);
  gap: .35rem 1.4rem;
  transition: transform .15s var(--ease), border-color .15s var(--ease);
}
.prob-card:hover { transform: translateY(-1px); border-color: var(--border); border-left-color: var(--sev, var(--gray)); }
.prob-card.crit { --sev: var(--red); }
.prob-card.warn { --sev: var(--amber); }
.prob-card.info { --sev: var(--cyan); }
.prob-title { font-weight: 700; font-size: .95rem; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.prob-meta { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .35rem; }
.chip {
  display: inline-flex; align-items: center; gap: .3rem;
  background: var(--panel-3); border: 1px solid var(--border-soft);
  border-radius: .45rem; padding: .14rem .5rem;
  font-size: .7rem; font-weight: 600; color: var(--muted);
}
.chip svg { width: .8rem; height: .8rem; opacity: .7; }
.chip b { color: var(--text); font-weight: 700; }
.prob-evidence { font-size: .78rem; color: var(--muted); }
.prob-evidence b { color: var(--faint); font-weight: 700; text-transform: uppercase; font-size: .64rem; letter-spacing: .1em; display: block; margin-bottom: .15rem; }
.prob-action {
  font-size: .78rem; color: var(--amber);
  background: var(--amber-soft); border: 1px dashed rgba(240,166,44,.35);
  border-radius: .5rem; padding: .4rem .6rem; margin-top: .35rem;
  display: inline-block;
}
.prob-side { text-align: right; font-size: .72rem; color: var(--faint); display: flex; flex-direction: column; gap: .25rem; align-items: flex-end; }
.prob-side .mono { font-size: .72rem; }

/* ==========================================================================
   Provisionamento — fluxo de aprovação
   ========================================================================== */

.flow {
  display: flex; align-items: stretch; gap: 0;
  margin: 0 0 1.4rem;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.flow .step { flex: 1; padding: .9rem 1.2rem; display: flex; align-items: center; gap: .8rem; position: relative; }
.flow .step + .step { border-left: 1px solid var(--border-soft); }
.flow .num {
  width: 1.9rem; height: 1.9rem; border-radius: 50%; flex: 0 0 1.9rem;
  display: grid; place-items: center;
  font-size: .8rem; font-weight: 800;
  background: var(--orange-soft); color: var(--orange-2);
  border: 1px solid rgba(242,107,33,.4);
}
.flow .step:nth-child(2) .num { background: var(--cyan-soft); color: var(--cyan); border-color: rgba(47,199,227,.4); }
.flow .step:nth-child(3) .num { background: var(--green-soft); color: var(--green); border-color: rgba(53,195,124,.4); }
.flow .txt b { display: block; font-size: .82rem; font-weight: 700; }
.flow .txt span { font-size: .7rem; color: var(--faint); }

.flash {
  background: var(--cyan-soft); border: 1px solid rgba(47,199,227,.4);
  color: var(--cyan);
  border-radius: var(--radius); padding: .7rem 1rem;
  margin-bottom: 1.1rem; font-size: .85rem; font-weight: 600;
  display: flex; align-items: center; gap: .55rem;
}
.flash svg { width: 1rem; height: 1rem; flex: 0 0 1rem; }

/* ==========================================================================
   Botões / formulários
   ========================================================================== */

.btn {
  border: 1px solid var(--border); border-radius: .55rem;
  padding: .42rem .95rem; font-size: .8rem; font-weight: 700;
  cursor: pointer; background: var(--panel-3); color: var(--text);
  font-family: inherit;
  transition: background .15s var(--ease), border-color .15s var(--ease), transform .15s var(--ease), box-shadow .15s var(--ease);
}
.btn:hover { transform: translateY(-1px); border-color: var(--faint); }
.btn:active { transform: translateY(0); }
.btn-go {
  background: linear-gradient(135deg, #2AA96A, var(--green));
  border-color: transparent; color: #06130C;
  box-shadow: 0 4px 14px -6px rgba(53,195,124,.6);
}
.btn-go:hover { background: linear-gradient(135deg, #33BD77, #41D189); border-color: transparent; box-shadow: 0 6px 18px -6px rgba(53,195,124,.75); }
.btn-accent {
  background: linear-gradient(135deg, var(--orange), #E05A16);
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px -6px rgba(242,107,33,.6);
}
.btn-accent:hover { background: linear-gradient(135deg, var(--orange-2), var(--orange)); border-color: transparent; }
.btn-muted { background: transparent; color: var(--muted); }
.btn-muted:hover { color: var(--red); border-color: rgba(240,87,75,.5); background: var(--red-soft); }

select {
  background: var(--panel-3); color: var(--text);
  border: 1px solid var(--border); border-radius: .55rem;
  padding: .42rem .6rem; font-size: .8rem; font-weight: 600;
  font-family: inherit; cursor: pointer;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
select:hover { border-color: var(--faint); }
select:focus-visible { box-shadow: var(--ring); }

form.inline { display: inline-flex; gap: .45rem; align-items: center; flex-wrap: wrap; }

.acao { color: var(--amber); font-size: .78rem; }

/* ==========================================================================
   PON grid + sparkline (página da OLT)
   ========================================================================== */

.pon-grid { display: grid; gap: .7rem; grid-template-columns: repeat(auto-fill, minmax(8.2rem, 1fr)); margin-bottom: .4rem; }
.pon-cell {
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--panel);
  padding: .65rem .8rem;
  text-align: left;
  transition: transform .15s var(--ease), border-color .15s var(--ease);
}
.pon-cell:hover { transform: translateY(-2px); }
.pon-cell .pon-name { font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.pon-cell .pon-val { font-size: 1.25rem; font-weight: 800; margin-top: .2rem; font-variant-numeric: tabular-nums; }
.pon-cell .pon-sub { font-size: .68rem; color: var(--faint); margin-top: .1rem; }
.pon-cell.ok   { border-color: rgba(53,195,124,.35); background: linear-gradient(180deg, rgba(53,195,124,.09), var(--panel)); }
.pon-cell.ok .pon-val { color: var(--green); }
.pon-cell.warn { border-color: rgba(240,166,44,.4); background: linear-gradient(180deg, rgba(240,166,44,.1), var(--panel)); }
.pon-cell.warn .pon-val { color: var(--amber); }
.pon-cell.crit { border-color: rgba(240,87,75,.45); background: linear-gradient(180deg, rgba(240,87,75,.12), var(--panel)); }
.pon-cell.crit .pon-val { color: var(--red); }

.spark-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1rem 1.2rem 1.1rem;
}
.spark-head { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: .6rem; }
.spark-head .t { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.spark-legend { display: flex; gap: 1rem; font-size: .72rem; color: var(--muted); margin-left: auto; }
.spark-legend .lg { display: inline-flex; align-items: center; gap: .35rem; }
.spark-legend .sw { width: 1.1rem; height: .18rem; border-radius: 999px; }
.spark-legend .sw.a { background: var(--green); }
.spark-legend .sw.i { background: var(--red); }
.spark-wrap { height: 5.2rem; }
.spark-wrap svg { width: 100%; height: 100%; display: block; }
.spark-x { display: flex; justify-content: space-between; font-size: .64rem; color: var(--faint); margin-top: .35rem; }

/* painel genérico */
.panel {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.25rem;
}

.note { font-size: .76rem; color: var(--faint); line-height: 1.6; margin-top: 1rem; }
.note b { color: var(--muted); }

.two-col { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; align-items: start; }

/* ==========================================================================
   Responsivo
   ========================================================================== */

@media (max-width: 75rem) {
  .two-col { grid-template-columns: 1fr; }
  .prob-card { grid-template-columns: 1fr; }
  .prob-side { flex-direction: row; align-items: center; gap: .8rem; text-align: left; }
}

@media (max-width: 56.25rem) {
  .layout { flex-direction: column; }
  .sidebar {
    width: 100%; flex: none; height: auto; position: static;
    flex-direction: row; align-items: center; flex-wrap: wrap;
    padding: .6rem .8rem; gap: .4rem;
    border-right: none; border-bottom: 1px solid var(--border-soft);
  }
  .brand { border-bottom: none; padding: 0 .4rem 0 0; margin-bottom: 0; margin-right: auto; }
  .brand-mark { width: 2rem; height: 2rem; flex-basis: 2rem; border-radius: .55rem; }
  .brand-sub { display: none; }
  .nav-label, .sidebar-foot { display: none; }
  .nav { flex-direction: row; gap: .25rem; overflow-x: auto; width: 100%; padding-bottom: .2rem; }
  .nav a { padding: .42rem .6rem; font-size: .82rem; white-space: nowrap; }
  .nav a.active::before { display: none; }
  .pill { margin-left: .3rem; }
  .topbar { padding: .6rem 1rem; }
  main { padding: 1.1rem 1rem 2rem; }
  footer { padding: .9rem 1rem 1.1rem; }
  .flow { flex-direction: column; }
  .flow .step + .step { border-left: none; border-top: 1px solid var(--border-soft); }
  .refresh-track { display: none; }
}

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