:root{
    --bg:#0c1116;--panel:#141b23;--panel-2:#1a232d;--line:#243140;--line-soft:#1d2630;
    --text:#e6edf3;--muted:#7d8da0;--muted-2:#566375;
    --cold:#38bdf8;--normal:#34d399;--warn:#fbbf24;--crit:#fb6f6f;
    --crit-bg:rgba(251,111,111,.12);--warn-bg:rgba(251,191,36,.12);--normal-bg:rgba(52,211,153,.10);--cold-bg:rgba(56,189,248,.12);
    --mono:'JetBrains Mono',ui-monospace,monospace;--sans:'Inter',system-ui,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.45;min-height:100vh;display:flex}

  /* ---------- Sidebar ---------- */
  aside{
    width:236px;flex:0 0 236px;background:#0e151c;border-right:1px solid var(--line-soft);
    padding:22px 16px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh;
  }
  .brand{padding:4px 6px 22px;border-bottom:1px solid var(--line-soft);margin-bottom:14px}
  .brand img{width:138px;display:block}
  .brand .tag{font-size:10.5px;color:var(--muted-2);letter-spacing:1.4px;text-transform:uppercase;margin-top:11px}
  nav a{
    display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:9px;
    color:var(--muted);font-size:13.5px;font-weight:500;cursor:pointer;transition:.15s;text-decoration:none;
  }
  nav a:hover{background:var(--panel);color:var(--text)}
  nav a.active{background:var(--cold-bg);color:#bfe6fb}
  nav a.active svg{stroke:var(--cold)}
  nav a svg{width:18px;height:18px;stroke:var(--muted);stroke-width:1.8;fill:none;flex:0 0 auto}
  nav a.active svg{stroke:#7fd0f5}
  .nav-sec{font-size:10px;color:var(--muted-2);letter-spacing:1.2px;text-transform:uppercase;padding:14px 12px 6px}
  .side-foot{margin-top:auto;font-size:10.5px;color:var(--muted-2);padding:12px 8px 0;border-top:1px solid var(--line-soft);line-height:1.6}
  .side-conn{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);padding:8px 8px;margin-top:6px}
  .dot{width:8px;height:8px;border-radius:50%;background:var(--normal);position:relative}
  .dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--normal);opacity:.35;animation:pulse 2s ease-out infinite}
  @keyframes pulse{0%{transform:scale(.6);opacity:.5}100%{transform:scale(2.2);opacity:0}}

  /* ---------- Main ---------- */
  main{flex:1;min-width:0;padding:24px 28px 60px;max-width:1400px}
  .topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--line-soft)}
  .topbar h1{font-size:20px;font-weight:700;letter-spacing:-.4px}
  .topbar p{font-size:12.5px;color:var(--muted);margin-top:3px}
  .clock{font-family:var(--mono);font-size:13px;color:var(--muted);text-align:right}
  .clock b{display:block;color:var(--text);font-size:18px;font-weight:500;letter-spacing:.5px}
  .view{display:none}.view.active{display:block;animation:fade .25s ease}
  @keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

  /* ---------- KPIs ---------- */
  .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
  .kpi{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:16px 18px;position:relative;overflow:hidden}
  .kpi .label{font-size:12px;color:var(--muted);font-weight:500}
  .kpi .val{font-family:var(--mono);font-size:30px;font-weight:500;margin-top:8px;letter-spacing:-.5px;line-height:1}
  .kpi .val small{font-size:14px;color:var(--muted);font-weight:400}
  .kpi .sub{font-size:11.5px;color:var(--muted-2);margin-top:7px}
  .kpi-bar{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cold)}
  .kpi.alert .kpi-bar{background:var(--crit)}.kpi.alert .val{color:var(--crit)}
  .kpi.ok .kpi-bar{background:var(--normal)}.kpi.avg .kpi-bar{background:var(--warn)}

  .grid{display:grid;grid-template-columns:1fr 332px;gap:18px;align-items:start}

  /* painel: grid 2 colunas x 3 linhas (eventos ocupa as 2 primeiras linhas) */
  .painel-grid{display:grid;grid-template-columns:1fr 332px;grid-template-rows:auto auto auto;gap:18px;align-items:start}
  .pg-kpis{grid-column:1;grid-row:1;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
  .pg-equip{grid-column:1;grid-row:2}
  .pg-chart{grid-column:1;grid-row:3}
  .pg-events{grid-column:2;grid-row:1 / span 2;align-self:stretch;display:flex;flex-direction:column}
  .pg-events .events{flex:1;max-height:none;min-height:0}
  .pg-gauges{grid-column:2;grid-row:3}
  .section-title{display:flex;align-items:center;justify-content:space-between;margin:4px 2px 14px}
  .section-title h2{font-size:13px;font-weight:600;letter-spacing:.4px;text-transform:uppercase;color:var(--muted)}
  .legend{display:flex;gap:14px;font-size:11.5px;color:var(--muted)}
  .legend i{width:9px;height:9px;border-radius:2px;display:inline-block;margin-right:5px;vertical-align:middle}

  /* ---------- Equipment cards ---------- */
  .equip{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-bottom:24px}
  .card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:15px 16px 12px;cursor:pointer;transition:.15s;position:relative;overflow:hidden}
  .card:hover{transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(0,0,0,.6)}
  .card.active{border-color:var(--cold);box-shadow:0 0 0 1px var(--cold)}
  .card.status-warn{border-color:rgba(251,191,36,.35)}
  .card.status-crit{border-color:rgba(251,111,111,.45);background:linear-gradient(180deg,var(--crit-bg),var(--panel) 60%)}
  .card.status-crit.blink{animation:flash 1.4s ease-in-out infinite}
  @keyframes flash{0%,100%{box-shadow:0 0 0 1px rgba(251,111,111,.25)}50%{box-shadow:0 0 0 1px rgba(251,111,111,.8),0 0 22px -6px rgba(251,111,111,.6)}}
  .card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
  .card-name{font-size:14px;font-weight:600}
  .card-loc{font-size:11px;color:var(--muted);margin-top:2px}
  .card-mb{font-size:10px;color:var(--muted-2);font-family:var(--mono);margin-top:4px}
  .badge{font-size:10.5px;font-weight:600;padding:3px 8px;border-radius:20px;letter-spacing:.3px;white-space:nowrap;flex:0 0 auto}
  .badge.ok{color:var(--normal);background:var(--normal-bg)}.badge.warn{color:var(--warn);background:var(--warn-bg)}.badge.crit{color:var(--crit);background:var(--crit-bg)}
  .reading{display:flex;align-items:flex-end;gap:6px;margin:12px 0 4px}
  .temp{font-family:var(--mono);font-size:34px;font-weight:500;line-height:.9;letter-spacing:-1px}
  .temp .u{font-size:15px;color:var(--muted);font-weight:400}
  .delta{font-size:11.5px;font-family:var(--mono);margin-bottom:5px}
  .delta.up{color:var(--crit)}.delta.down{color:var(--cold)}.delta.flat{color:var(--muted)}
  .spark{width:100%;height:38px;margin:6px 0 10px}
  .setpoint{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);font-family:var(--mono);border-top:1px solid var(--line-soft);padding-top:9px}
  .setpoint b{color:var(--muted-2);font-family:var(--sans);font-weight:500}

  .panel{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:18px}
  .trend-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px;flex-wrap:wrap;gap:6px}
  .trend-head h3{font-size:15px;font-weight:600}
  .trend-head .now{font-family:var(--mono);font-size:13px;color:var(--cold)}
  .trend-sub{font-size:11.5px;color:var(--muted);margin-bottom:14px}
  .chart-box{height:230px;position:relative}

  .side-col{display:flex;flex-direction:column;gap:18px}
  .events{max-height:300px;overflow-y:auto;margin:-4px -6px 0;padding:0 6px}
  .events::-webkit-scrollbar{width:6px}.events::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
  .event{display:flex;gap:11px;padding:11px 2px;border-bottom:1px solid var(--line-soft)}
  .event:last-child{border-bottom:0}
  .ev-dot{width:8px;height:8px;border-radius:50%;margin-top:5px;flex:0 0 auto}
  .ev-dot.crit{background:var(--crit)}.ev-dot.warn{background:var(--warn)}.ev-dot.ok{background:var(--normal)}.ev-dot.info{background:var(--cold)}
  .ev-msg{font-size:12.5px;line-height:1.35}.ev-msg b{font-weight:600}
  .ev-time{font-size:10.5px;color:var(--muted-2);font-family:var(--mono);margin-top:2px}
  .gauge-row{display:flex;justify-content:space-between;font-size:12px;margin-bottom:6px}
  .gauge-row .g-name{font-weight:500}.gauge-row .g-val{font-family:var(--mono);color:var(--muted)}
  .track{height:7px;background:var(--panel-2);border-radius:4px;overflow:hidden;margin-bottom:13px}
  .fill{height:100%;border-radius:4px;transition:width .6s ease,background .4s}

  /* ---------- Buttons / forms ---------- */
  .btn{font-family:var(--sans);font-size:13px;font-weight:600;padding:9px 16px;border-radius:9px;border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer;transition:.15s;display:inline-flex;align-items:center;gap:8px}
  .btn:hover{border-color:var(--cold);color:#bfe6fb}
  .btn.primary{background:linear-gradient(150deg,#0ea5e9,#22d3ee);border:none;color:#06222e}
  .btn.primary:hover{filter:brightness(1.08)}
  .btn.ghost{background:transparent}
  .btn.danger:hover{border-color:var(--crit);color:var(--crit)}
  .btn svg{width:15px;height:15px;stroke:currentColor;stroke-width:2;fill:none}

  /* sensor cards (registro) */
  .sensors-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
  .scard{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:18px;position:relative}
  .scard h3{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px}
  .scard .sdesc{font-size:12.5px;color:var(--muted);margin-top:4px}
  .scard .smb{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;color:var(--cold);background:var(--cold-bg);padding:4px 9px;border-radius:7px;margin-top:12px}
  .levels{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px}
  .lvl{text-align:center;padding:9px 4px;border-radius:9px;background:var(--panel-2)}
  .lvl .ln{font-size:9.5px;letter-spacing:.3px;text-transform:uppercase;color:var(--muted-2);font-weight:600}
  .lvl .lv{font-family:var(--mono);font-size:15px;font-weight:500;margin-top:3px}
  .lvl.cl .lv{color:var(--crit)}.lvl.wl .lv{color:var(--warn)}.lvl.wh .lv{color:var(--warn)}.lvl.ch .lv{color:var(--crit)}
  .scard-foot{display:flex;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft)}

  /* band visual */
  .band{height:30px;border-radius:8px;display:flex;overflow:hidden;margin:8px 0 4px;position:relative}
  .band span{display:block;height:100%}
  .band .seg-cl{background:rgba(251,111,111,.55)}.band .seg-wl{background:rgba(251,191,36,.5)}
  .band .seg-ok{background:rgba(52,211,153,.45)}.band .seg-wh{background:rgba(251,191,36,.5)}.band .seg-ch{background:rgba(251,111,111,.55)}
  .band .marker{position:absolute;top:-5px;bottom:-5px;width:3px;background:#fff;border-radius:2px;box-shadow:0 0 8px rgba(255,255,255,.6);transition:left .6s ease}
  .band .marker::after{content:attr(data-v);position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:11px;color:#fff;white-space:nowrap}
  .band-scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;color:var(--muted-2);margin-top:6px}

  /* modal */
  .overlay{position:fixed;inset:0;background:rgba(6,10,14,.72);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
  .overlay.open{display:flex}
  .modal{background:var(--panel);border:1px solid var(--line);border-radius:16px;width:100%;max-width:520px;max-height:92vh;overflow-y:auto;padding:24px}
  .modal h2{font-size:18px;font-weight:700;margin-bottom:4px}
  .modal .msub{font-size:12.5px;color:var(--muted);margin-bottom:20px}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px}
  .field input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:11px 13px;color:var(--text);font-family:var(--sans);font-size:14px}
  .field input:focus{outline:none;border-color:var(--cold)}
  .field input.mono{font-family:var(--mono)}
  .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .level-group{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:6px}
  .field.lf label .pill{font-size:9.5px;padding:2px 7px;border-radius:10px;margin-left:7px;vertical-align:middle}
  .pill.r{background:var(--crit-bg);color:var(--crit)}.pill.a{background:var(--warn-bg);color:var(--warn)}
  .modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}
  .hint{font-size:11.5px;color:var(--muted-2);margin-top:-6px;margin-bottom:14px}
  .warn-text{color:var(--warn);font-size:12px;margin-top:8px;display:none}

  /* alarmes screen */
  .al-layout{display:grid;grid-template-columns:1fr 340px;gap:18px;align-items:start}
  .seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:4px;gap:4px;flex-wrap:wrap;margin-bottom:20px}
  .seg button{font-family:var(--sans);font-size:13px;font-weight:500;padding:8px 14px;border-radius:7px;border:none;background:transparent;color:var(--muted);cursor:pointer}
  .seg button.active{background:var(--cold-bg);color:#bfe6fb}
  .al-table{width:100%;border-collapse:collapse;margin-top:6px}
  .al-table th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted-2);font-weight:600;padding:9px 10px;border-bottom:1px solid var(--line)}
  .al-table td{padding:11px 10px;border-bottom:1px solid var(--line-soft);font-size:13px;vertical-align:middle}
  .al-table tr:last-child td{border-bottom:0}
  .tag-lvl{font-size:11px;font-weight:600;padding:3px 9px;border-radius:7px;font-family:var(--mono)}
  .tag-lvl.r{background:var(--crit-bg);color:var(--crit)}.tag-lvl.a{background:var(--warn-bg);color:var(--warn)}
  .al-edit{display:flex;flex-direction:column;gap:14px}
  .al-edit .field{margin:0}
  .actions-list{font-size:12.5px;color:var(--muted);line-height:1.7}
  .actions-list b{color:var(--text);font-weight:500}

  /* mobile */
  .menu-btn{display:none}
  /* ---- tablet: empilha o painel em coluna única ---- */
  @media(max-width:980px){
    .grid,.al-layout{grid-template-columns:1fr}
    .painel-grid{grid-template-columns:1fr;grid-template-rows:none}
    .painel-grid>*{grid-column:1!important;grid-row:auto!important}
    .pg-events .events{max-height:300px}
  }

  /* ---- celular: topo fixo com abas, sem menu hambúrguer ---- */
  @media(max-width:760px){
    body{flex-direction:column}
    aside{
      width:100%;flex:none;height:auto;position:sticky;top:0;z-index:40;
      flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px;
      padding:10px 14px;border-right:0;border-bottom:1px solid var(--line-soft);
      background:#0e151c;
    }
    .brand{order:1;flex:1;border:0;padding:0;margin:0;display:flex;align-items:center}
    .brand img{width:98px}
    .brand .tag{display:none}
    .side-conn{order:2;margin:0;padding:6px 10px;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-size:11.5px}
    nav{order:3;display:flex;flex-direction:row;width:100%;gap:6px}
    .nav-sec{display:none}
    nav a{flex:1;flex-direction:column;justify-content:center;gap:5px;padding:9px 4px;font-size:11px;font-weight:600;border-radius:10px}
    nav a svg{width:19px;height:19px}
    nav a.active{background:var(--cold-bg)}
    .menu-btn{display:none}
    .side-foot{display:none}
    main{padding:16px 14px 44px}

    /* KPIs como faixa compacta de 3 */
    .pg-kpis{grid-template-columns:repeat(3,1fr);gap:8px}
    .kpi{padding:12px 11px}
    .kpi .label{font-size:10.5px;line-height:1.25}
    .kpi .val{font-size:23px;margin-top:5px}
    .kpi .sub{display:none}

    .equip{grid-template-columns:1fr;gap:12px}
    .temp{font-size:30px}
    .levels{grid-template-columns:repeat(2,1fr)}
    .sensors-grid{grid-template-columns:1fr}

    /* alarmes: segmentado rola na horizontal; tabela enxuta */
    .seg{flex-wrap:nowrap;overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}
    .seg button{white-space:nowrap;flex:0 0 auto}
    .al-table th:nth-child(3),.al-table td:nth-child(3){display:none}
    .al-table th,.al-table td{padding:10px 6px;font-size:12px}
  }

  /* ---- celular estreito ---- */
  @media(max-width:380px){
    .pg-kpis{gap:6px}
    .kpi{padding:10px 8px}
    .kpi .val{font-size:20px}
    .kpi .label{font-size:9.5px}
    .brand img{width:84px}
  }