/* Calcolo consumi — layout: modulo a sinistra (fisso su schermi larghi), risultati, grafico e mappa a destra;
   una colonna sul telefono. Interfaccia con i token del sito; colori dei dati come in nrs.css. */
.calc { display: grid; grid-template-columns: minmax(280px, 340px) minmax(0, 1fr); gap: 32px; align-items: start; padding-top: 48px; }
.calc-form { position: sticky; top: 140px; display: grid; gap: 22px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.calc-form fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.calc-form legend, .calc-form .field > label { display: flex; justify-content: space-between; gap: 10px; width: 100%;
  font: 800 11.5px/1.4 var(--f-ui); text-transform: uppercase; letter-spacing: .12em; color: var(--brand-2); margin-bottom: 8px; padding: 0; }
.calc-form output { font: 600 14px var(--f-num); letter-spacing: 0; text-transform: none; color: var(--ink); }
.field { display: grid; min-width: 0; }
.hint { margin: 6px 0 0; font-size: 13.5px; color: var(--muted); line-height: 1.45; }
.calc-form select, .calc-form input[type=number] { font: 500 15.5px var(--f-ui); color: var(--ink); background: var(--paper);
  border: 1px solid var(--line-2); border-radius: 12px; padding: 10px 12px; width: 100%; }
.calc-form input[type=range] { width: 100%; accent-color: var(--brand-btn); }
.seg { display: grid; gap: 6px; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; border: 1px solid var(--line-2); border-radius: 999px; padding: 8px 14px; font: 600 14.5px var(--f-ui); color: var(--body); background: var(--paper); }
.seg input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--card); }
.seg input:focus-visible + span { outline: 2px solid var(--teal); outline-offset: 2px; }
#reset { justify-self: start; }

.calc-out { display: grid; gap: 22px; min-width: 0; }
.res-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.res-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px 16px; box-shadow: var(--shadow); min-width: 0; }
.res-card.b0 { border-top: 3px solid var(--nrs-b0); }
.res-card.s3 { border-top: 3px solid var(--nrs-s3); }
.res-card h3 { margin: 0 0 8px; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.res-card dl { margin: 0; display: grid; }
.res-card dl > div { display: flex; justify-content: space-between; gap: 14px; padding: 8px 0; border-top: 1px solid var(--line); align-items: baseline; }
.res-card dt { color: var(--body); font-size: 14.5px; }
.res-card dd { margin: 0; font: 700 16px var(--f-ui); color: var(--ink); white-space: nowrap; font-variant-numeric: tabular-nums; text-align: right; }
.res-card dd small { font-weight: 500; color: var(--muted); font-size: 13px; }
.res-card .dist { margin: 8px 0 0; font-size: 13.5px; color: var(--muted); }
.key { display: inline-block; width: 22px; height: 0; border-top: 3px solid; vertical-align: middle; flex: none; }
.key.b0 { border-top-color: var(--nrs-b0); border-top-style: dashed; }
.key.s3 { border-top-color: var(--nrs-s3); }

.delta { background: var(--ink); color: var(--card); border-radius: var(--radius); padding: 18px 22px; display: grid; gap: 4px; }
.delta .k { margin: 0; font: 800 11.5px/1.4 var(--f-ui); text-transform: uppercase; letter-spacing: .12em; color: rgba(252, 251, 249, .72); }
.delta .v { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; }
.delta .v span { font: 700 34px/1.1 var(--f-display); letter-spacing: -.02em; }
.delta .v small { font: 500 15px var(--f-ui); color: rgba(252, 251, 249, .85); }
.delta .note { margin: 0; font-size: 14px; color: rgba(252, 251, 249, .78); }
.delta.neg { background: var(--brand-2); }
.warn { margin: 0; background: var(--amber-bg); border: 1px solid var(--amber-line); color: var(--amber-ink); border-radius: var(--radius-s); padding: 12px 16px; font-size: 14.5px; }

.chart, .map { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); min-width: 0; }
.chart figcaption, .map figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 14px; font-size: 15px; color: var(--ink); }
.chart figcaption span, .map figcaption span { color: var(--muted); font-size: 13.5px; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13.5px; color: var(--body); margin: 8px 0 4px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 8px; }
.chart-box { position: relative; }
#chart { display: block; width: 100%; height: auto; aspect-ratio: 2 / 1; max-height: 360px; touch-action: pan-y; }
#chart .grid { stroke: var(--line); stroke-width: 1; }
#chart .base { stroke: var(--line-2); stroke-width: 1; }
#chart .ax { fill: var(--muted); font: 12px var(--f-ui); }
#chart .ax.lab { fill: var(--body); }
#chart .dl { fill: var(--body); font: 600 12px var(--f-ui); }
#chart .ln { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
#chart .ln.b0 { stroke: var(--nrs-b0); stroke-dasharray: 6 4; }
#chart .ln.s3 { stroke: var(--nrs-s3); }
#chart .dot { stroke: var(--card); stroke-width: 2; }
#chart .dot.b0 { fill: var(--nrs-b0); } #chart .dot.s3 { fill: var(--nrs-s3); }
#chart .sel { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
#chart .cross { stroke: var(--muted); stroke-width: 1; vector-effect: non-scaling-stroke; }
#chart .hit { fill: transparent; cursor: crosshair; }
#chart .hit:focus-visible { outline: none; stroke: var(--teal); stroke-width: 1; }
.tip { position: absolute; top: 8px; min-width: 170px; background: var(--card); border: 1px solid var(--line-2); border-radius: 10px;
  padding: 8px 12px; box-shadow: var(--shadow-lift); font-size: 13px; pointer-events: none; }
.tip p { margin: 0; display: flex; align-items: center; gap: 8px; color: var(--body); }
.tip p.th { color: var(--muted); margin-bottom: 4px; }
.tip b { color: var(--ink); font-variant-numeric: tabular-nums; }
.tab { margin-top: 10px; }
.tab summary { cursor: pointer; font-size: 14px; color: var(--brand); }
.tab table { margin-top: 10px; font-size: 14px; }
.tab td { font-variant-numeric: tabular-nums; }

#map { display: block; width: 100%; height: auto; margin-top: 8px; }
#map .land { fill: var(--mist); }
#map .coast { fill: none; stroke: var(--line-2); stroke-width: 1.2; }
#map .rt { fill: none; stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
#map .rt.b0 { stroke: var(--nrs-b0); stroke-dasharray: 7 5; }
#map .rt.s3 { stroke: var(--nrs-s3); }
#map .port { fill: var(--ink); stroke: var(--card); stroke-width: 2; }
#map .ax { fill: var(--body); font: 600 12px var(--f-ui); }

@media (max-width: 980px) {
  .calc { grid-template-columns: minmax(0, 1fr); }
  .calc-form { position: static; }
}
@media (max-width: 560px) {
  .res-pair { grid-template-columns: minmax(0, 1fr); }
  .delta .v span { font-size: 28px; }
}