:root{
  --bg:#0B0F14;
  --panel:#141B23;
  --panel-2:#1B242E;
  --line:#26313D;
  --text:#E8EDF2;
  --text-dim:#8695A4;
  --amber:#FFB020;
  --green:#38D68F;
  --yellow:#F5C542;
  --red:#FF5252;
  --mono:'Space Grotesk',monospace;
  --sans:'Inter',sans-serif;
  --header-h: 45px;
  --logo-h: 20px;
}

.top-header{
  position:sticky;
  top:0;
  z-index:60;
  height:var(--header-h);
  background:var(--panel);
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
}
.top-header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  height:100%;
}
.top-logo{
  height:var(--logo-h);
  width:auto;
  display:block;
  margin: 8px;
}
.top-actions{display:flex;gap:6px;}
.top-btn{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-dim);
  font-family:var(--sans);
  font-size:15px;
  font-weight:600;
  padding:2px 8px;
  border-radius:6px;
  cursor:pointer;
  line-height:1;
  white-space:nowrap;
  text-decoration: none;
}
.top-btn:hover{border-color:var(--amber);color:var(--amber);}

*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  padding-bottom:60px;
}
.wrap{max-width:720px;margin:0 auto;padding:0 18px;}

/* ---- TOPO: gauge + reset ---- */
.gauge-bar{
  position:sticky;
  top:var(--header-h);
  z-index:50;
  background:linear-gradient(180deg,#0B0F14 75%,rgba(11,15,20,0));
  padding:14px 0 6px;
}


.gauge-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 18px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.gauge-main{
  display:flex;
  align-items:center;
  gap:16px;
}
.btn-group{
  display:flex;
  gap:8px;
  justify-content:flex-end;
  flex-wrap:wrap;
  padding-top:12px;
  border-top:1px solid var(--line);
}




.gauge-svg-wrap{width:132px;flex-shrink:0;}
.gauge-mid{flex:1;min-width:0;}
.gauge-eyebrow{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-dim);font-weight:600;margin:0 0 4px;
}
.gauge-reading{
  font-family:var(--mono);font-weight:700;font-size:26px;line-height:1;
  display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;
}
.gauge-reading small{font-family:var(--sans);font-weight:500;font-size:13px;color:var(--text-dim);}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:8px;padding:4px 10px;border-radius:20px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.dot{width:7px;height:7px;border-radius:50%;}


.reset-btn{
  background:transparent;border:1px solid var(--line);color:var(--text-dim);
  font-family:var(--sans);font-size:11.5px;font-weight:600;
  padding:6px 10px;border-radius:8px;cursor:pointer;
  display:flex;align-items:center;gap:5px;transition:.15s;white-space:nowrap;
}
.reset-btn:hover{border-color:var(--red);color:var(--red);}
.pdf-btn:hover{border-color:var(--amber);color:var(--amber);}
.solution-btn{
  display:none;
  border-color:var(--amber);color:var(--amber);
}
.solution-btn.show{display:flex;}
.solution-btn:hover{background:rgba(255,176,32,.12);}

.explainer{
  color:var(--text-dim);font-size:15px;line-height:1.6;
  margin:18px 0 0;padding:14px 16px;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
}

/* ---- SECTION ---- */
section{margin-top:22px;}
h2{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--text-dim);
  margin:0 0 10px;font-weight:600;
}

/* ---- DISJUNTOR SELECTOR ---- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  padding:9px 16px;border-radius:10px;font-family:var(--mono);font-weight:600;
  font-size:14px;cursor:pointer;transition:.15s;
}
.chip:hover{border-color:#3A4956;}
.chip.active{background:var(--amber);color:#1A1200;border-color:var(--amber);}
.chip-custom{display:flex;align-items:center;gap:6px;}
.chip-custom input{
  width:64px;background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  font-family:var(--mono);font-size:14px;border-radius:8px;padding:8px 8px;
}
.chip-custom input:focus{outline:none;border-color:var(--amber);}

/* ---- WALLBOX CARD ---- */
.wallbox-card{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;
}
.wallbox-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.wallbox-label{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;}
.wallbox-label .icon{font-size:20px;}
.switch{position:relative;width:46px;height:26px;flex-shrink:0;}
.switch input{opacity:0;width:0;height:0;}
.slider-toggle{
  position:absolute;cursor:pointer;inset:0;background:#3A4650;
  border-radius:20px;transition:.2s;
}
.slider-toggle:before{
  content:"";position:absolute;height:20px;width:20px;left:3px;top:3px;
  background:#fff;border-radius:50%;transition:.2s;
}
.switch input:checked + .slider-toggle{background:var(--green);}
.switch input:checked + .slider-toggle:before{transform:translateX(20px);}
.amp-row{
  display:flex;align-items:center;gap:14px;margin-top:14px;
}
.amp-row input[type=range]{
  flex:1;-webkit-appearance:none;appearance:none;height:5px;border-radius:4px;
  background:var(--line);
}
.amp-row input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:var(--amber);border:3px solid #0B0F14;cursor:pointer;
  box-shadow:0 0 0 2px var(--amber);margin-top:-1px;
}
.amp-row input[type=range]::-moz-range-thumb{
  width:20px;height:20px;border-radius:50%;
  background:var(--amber);border:3px solid #0B0F14;cursor:pointer;
  box-shadow:0 0 0 2px var(--amber);
}
.amp-row input[type=range]::-moz-range-track{background:var(--line);height:5px;border-radius:4px;}
.amp-readout{
  font-family:var(--mono);font-weight:700;font-size:17px;min-width:56px;text-align:right;
}
.wallbox-card.off{opacity:.5;}
.wallbox-card.off .amp-row{pointer-events:none;}

/* ---- APPLIANCE GRID ---- */
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:10px;
}
.app-card{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:12px 12px 10px;cursor:default;transition:.15s;position:relative;
}
.app-card.on{border-color:var(--amber);background:var(--panel-2);}
.app-top{display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.app-top .icon{font-size:18px;}
.app-name{font-size:13px;font-weight:600;flex:1;}
.app-card select{
  width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);
  font-family:var(--sans);font-size:12.5px;border-radius:8px;padding:7px 8px;
  cursor:pointer;
}
.app-card select:focus{outline:none;border-color:var(--amber);}
.app-card .remove-x{
  background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:14px;
  line-height:1;padding:0 0 0 4px;flex-shrink:0;
}
.app-card .remove-x:hover{color:var(--red);}

/* manual add card */
.add-card{
  background:transparent;border:1.5px dashed var(--line);border-radius:12px;
  padding:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:var(--text-dim);cursor:pointer;text-align:center;font-size:13px;font-weight:600;
  min-height:82px;transition:.15s;
}
.add-card:hover{border-color:var(--amber);color:var(--amber);}

/* ---- MODAL (manual add) ---- */
.modal-bg{
  position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;
  align-items:center;justify-content:center;z-index:100;padding:20px;
}
.modal-bg.open{display:flex;}
.modal{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:20px;width:100%;max-width:340px;
}
.modal h3{margin:0 0 14px;font-size:15px;}
.modal label{font-size:12px;color:var(--text-dim);display:block;margin-bottom:5px;}
.modal input{
  width:100%;background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  border-radius:8px;padding:10px;font-family:var(--sans);font-size:14px;margin-bottom:14px;
}
.modal input:focus{outline:none;border-color:var(--amber);}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;}
.btn{
  padding:9px 16px;border-radius:8px;font-weight:600;font-size:13px;
  border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;
}
.btn.primary{background:var(--amber);border-color:var(--amber);color:#1A1200;}

/* ---- FOOTNOTE BOX ---- */
.footnote-box{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;margin-top:24px;
}
.footnote{color:var(--text-dim);font-size:13.5px;line-height:1.5;margin:0;}

/* ---- SOLUTION FOOTER ---- */
.solution-footer{display:none;margin-top:20px;scroll-margin-top:20px;}
.solution-footer.open{display:block;}
.solution-title{
  font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--amber);margin:0 0 10px;font-weight:600;
}
.solution-box{
  background:var(--panel);border:1px solid var(--amber);border-radius:12px;
  padding:16px 18px;color:var(--text-dim);font-size:14.5px;line-height:1.65;
}
.solution-box p{margin:0 0 10px;}
.solution-box p:last-child{margin-bottom:0;}
.solution-box ul{margin:0;padding-left:18px;}
.solution-box li{margin-bottom:6px;}
.solution-box li:last-child{margin-bottom:0;}
.solution-box strong{color:var(--text);font-weight:600;}

.saiba-mais{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;margin-top:16px;
}
.saiba-mais summary{
  cursor:pointer;font-weight:600;font-size:14px;color:var(--text);
}
.saiba-mais p{
  color:var(--text-dim);font-size:13.5px;line-height:1.6;margin:10px 0 0;
}

.instrucoes-simulador {
    margin: 20px 0;
}

.instrucoes-simulador p {
    margin: 0 0 12px 0;
    line-height: 1.6;
}

.instrucoes-simulador p:last-child {
    margin-bottom: 0;
}

.instrucoes-simulador strong:first-child {
    color: #FFB020;
}

.fechar-btn{
  margin-top:6px;
  background:transparent;border:1px solid var(--line);color:var(--text-dim);
  font-family:var(--sans);font-size:12px;font-weight:600;
  padding:7px 14px;border-radius:8px;cursor:pointer;transition:.15s;
}
.fechar-btn:hover{border-color:var(--amber);color:var(--amber);}

.explainer-title{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--text);
  margin:0 0 8px;font-weight:600;
}