/* ChatChat — KPI (§16.1). Usa i token di admin.css; nessuno stile inline (CSP rigoroso):
   le dimensioni dei grafici sono attributi SVG, i colori sono classi qui. */

.kpi-h2 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.2rem;
}
.kpi-period {
  margin-bottom: 0.25rem;
}
.kpi-custom {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0 0.9rem;
  max-width: 28rem;
}
.kpi-custom[hidden] {
  display: none;
}

/* ---------- Tessere ---------- */

.kpi-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14.5rem, 1fr));
  gap: 0.75rem;
  margin: 0.5rem 0 1rem;
}
.kpi-tile {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  min-width: 0;
}
.kpi-tile-stop {
  border-top-color: var(--stop-line);
}
.kpi-label {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-2);
}
.kpi-value {
  margin: 0.1rem 0 0;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.kpi-na {
  font-size: 1rem;
  font-weight: 600;
  color: var(--warn-ink);
}
.kpi-sub {
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.kpi-sup {
  font-variant-numeric: tabular-nums;
  text-decoration: underline dotted;
  text-underline-offset: 0.2em;
  cursor: help;
}
.kpi-def {
  margin-top: 0.35rem;
}
.kpi-def summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  min-height: 1.75rem;
}
.kpi-def p {
  margin: 0.35rem 0 0;
  max-width: 60ch;
}

/* ---------- Grafici ---------- */

.kpi-charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.kpi-charts .kpi-figure-wide {
  grid-column: 1 / -1;
}
.kpi-figure {
  margin: 0 0 1rem;
  min-width: 0;
}
.kpi-figcap {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
}
.kpi .tbl td.num,
.kpi .tbl th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.kpi-bar-cell {
  width: 35%;
  min-width: 5rem;
  vertical-align: middle !important;
}
.kpi-hbar {
  display: block;
  width: 100%;
  height: 0.85rem;
}
.kpi-track {
  fill: var(--surface-2);
}
.kpi-fill {
  fill: var(--accent);
}
.kpi-fill-sup {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
  stroke-dasharray: 2 1.5;
  vector-effect: non-scaling-stroke;
}

.kpi-series-wrap {
  position: relative;
  padding: 0.75rem 0.5rem 0.25rem 2.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
}
.kpi-ymax {
  position: absolute;
  top: 0.4rem;
  left: 0.5rem;
  font-variant-numeric: tabular-nums;
}
.kpi-series {
  display: block;
  width: 100%;
  height: 11rem;
}
.kpi-axis {
  stroke: var(--line-strong);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.kpi-col {
  fill: var(--accent);
  opacity: 0.45;
}
.kpi-col-2 {
  fill: var(--accent);
}
.kpi-col-sup {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
  stroke-dasharray: 3 2;
  vector-effect: non-scaling-stroke;
}
.kpi-xaxis {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0.5rem 0.25rem 2.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
}
.kpi-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}
.kpi-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.kpi-key {
  display: inline-block;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 2px;
}
.kpi-key-1 {
  background: var(--accent);
  opacity: 0.45;
}
.kpi-key-2 {
  background: var(--accent);
}
.kpi-key-sup {
  border: 1px dashed var(--line-strong);
}
.kpi-table-alt summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  min-height: var(--tap);
  display: flex;
  align-items: center;
}

/* Sul telefono le tabelle KPI restano tabelle (sono piccole): niente schede. */
@media (max-width: 56rem) {
  .kpi .tbl-wrap {
    background: var(--surface);
    border: 1px solid var(--line);
    overflow-x: auto;
  }
  .kpi .tbl thead {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
  }
  .kpi .tbl {
    display: table;
  }
  .kpi .tbl thead {
    display: table-header-group;
  }
  .kpi .tbl tbody {
    display: table-row-group;
  }
  .kpi .tbl tr {
    display: table-row;
    margin: 0;
    border: 0;
    padding: 0;
  }
  .kpi .tbl td {
    display: table-cell;
    padding: 0.45rem 0.5rem;
  }
  .kpi .tbl td::before {
    content: none;
  }
  .kpi-value {
    font-size: 1.6rem;
  }
  .kpi-tiles {
    grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
  }
}

@media (forced-colors: active) {
  .kpi-fill,
  .kpi-col,
  .kpi-col-2 {
    fill: CanvasText;
  }
  .kpi-key-1,
  .kpi-key-2 {
    background: CanvasText;
  }
}

/* Telefono stretto: la barra è solo decorazione (aria-hidden) — spazio all'etichetta. */
@media (max-width: 30rem) {
  .kpi .tbl .kpi-bar-cell {
    display: none;
  }
}