/* Strumenti interattivi: componenti comuni.
   Stessi token della homepage (style.css). Ogni strumento può aggiungere
   regole proprie in assets/css/strumenti/<nome>.css */

.tool { padding-block: clamp(40px, 5vw, 72px) var(--section); border-top: 1px solid var(--border); }
.tool-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(28px, 3vw, 44px) var(--gap); align-items: start; }
.tool-inputs { grid-column: 1 / span 5; display: grid; gap: 24px; min-width: 0; }
.tool-results { grid-column: 7 / span 6; display: grid; gap: 24px; min-width: 0; position: sticky; top: calc(var(--header-h) + 24px); }
.tool-wide { grid-column: 1 / -1; min-width: 0; }

.panel { background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--accent); padding: clamp(20px, 2.6vw, 32px); display: grid; gap: 20px; min-width: 0; }
.panel-plain { border-top: 1px solid var(--border); }
.panel-title { font-size: 1.25rem; font-weight: 640; font-stretch: 104%; line-height: 1.2; }
.panel-sub { color: var(--text-secondary); font-size: .9688rem; margin-top: -10px; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.fields .field-wide { grid-column: 1 / -1; }

/* scelta a segmenti (radio) */
.seg { display: flex; flex-wrap: wrap; gap: 0; border: 1px solid var(--border-hover); }
.seg label { flex: 1 1 auto; position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg span { display: flex; align-items: center; justify-content: center; min-height: 44px; padding: .5rem .9rem; font-size: .9375rem; font-weight: 560; text-align: center; border-inline-end: 1px solid var(--border); transition: background-color .2s var(--ease), color .2s var(--ease); }
.seg label:last-child span { border-inline-end: 0; }
.seg label:hover span { background: var(--surface-alt); }
.seg input:checked + span { background: var(--text); color: var(--bg); }
.seg input:focus-visible + span { outline: 2px solid var(--accent-ink); outline-offset: -4px; }

/* scelta a schede (radio con descrizione) */
.choices { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 10px; }
.choice { position: relative; display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--border-hover); background: var(--bg); cursor: pointer; transition: border-color .2s var(--ease), background-color .2s var(--ease); }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.choice strong { font-weight: 620; }
.choice small { color: var(--text-secondary); font-size: .875rem; line-height: 1.4; }
.choice:hover { border-color: var(--border-strong); }
.choice:has(input:checked) { border-color: var(--border-strong); box-shadow: inset 3px 0 0 var(--accent); background: var(--surface); }
.choice:has(input:focus-visible) { outline: 2px solid var(--accent-ink); outline-offset: 2px; }

/* risultati */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); gap: 20px var(--gap); }
.kpi { display: grid; gap: 4px; align-content: start; padding-top: 12px; border-top: 2px solid var(--border-strong); }
.kpi-label { font-size: .875rem; color: var(--text-secondary); font-weight: 520; }
.kpi-value { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 680; font-stretch: 112%; letter-spacing: -0.024em; line-height: 1.1; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.kpi-note { font-size: .8125rem; color: var(--text-tertiary); }

/* barre orizzontali semplici */
.bars { display: grid; gap: 10px; }
.bar { display: grid; grid-template-columns: minmax(90px, 32%) 1fr auto; gap: 12px; align-items: center; font-size: .9375rem; }
.bar-track { height: 10px; background: var(--surface-alt); position: relative; }
.bar-fill { position: absolute; inset-block: 0; inset-inline-start: 0; background: var(--text); }
.bar-fill.is-accent { background: var(--accent); }
.bar-value { font-variant-numeric: tabular-nums; font-weight: 600; }

/* grafici SVG */
.chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart .axis { stroke: var(--border-hover); stroke-width: 1; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .line { fill: none; stroke: var(--text); stroke-width: 2; }
.chart .line-accent { fill: none; stroke: var(--accent-ink); stroke-width: 2.5; }
.chart .area { fill: rgba(var(--accent-rgb), .14); }
.chart .bar-pos { fill: var(--text); }
.chart .bar-neg { fill: var(--error); }
.chart .bar-acc { fill: var(--accent); }
.chart text { fill: var(--text-secondary); font-size: 12px; font-family: var(--font); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .875rem; color: var(--text-secondary); }
.chart-legend i { display: inline-block; width: 14px; height: 3px; background: var(--text); vertical-align: middle; margin-inline-end: 6px; }
.chart-legend i.is-accent { background: var(--accent-ink); }

/* procedura a passi */
.wizard-steps { display: flex; flex-wrap: wrap; gap: 6px 0; border-top: 2px solid var(--border-strong); }
.wizard-steps li { flex: 1 1 0; min-width: 120px; padding: 10px 12px 0 0; font-size: .875rem; color: var(--text-tertiary); }
.wizard-steps li[aria-current] { color: var(--text); font-weight: 620; box-shadow: inset 0 3px 0 var(--accent); }
.wizard-steps li.is-done { color: var(--text-secondary); }
.wizard-nav { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

.tool .note { font-size: .8438rem; }
.tool-disclaimer { font-size: .8438rem; color: var(--text-tertiary); max-width: 80ch; padding-top: 16px; border-top: 1px solid var(--border); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: .2rem .6rem; border: 1px solid var(--border-hover); font-size: .8125rem; font-weight: 600; }
.pill.is-ok { color: var(--success); border-color: currentColor; }
.pill.is-warn { color: var(--warning); border-color: currentColor; }
.pill.is-bad { color: var(--error); border-color: currentColor; }

@media (max-width: 1023px) {
  .tool-inputs, .tool-results { grid-column: 1 / -1; position: static; }
}
@media (max-width: 767px) {
  .fields { grid-template-columns: 1fr; }
  .bar { grid-template-columns: 1fr auto; }
  .bar-track { grid-column: 1 / -1; grid-row: 2; }
}

/* la colonna dei risultati non resta fissa se nella stessa griglia ci sono righe larghe */
.tool-grid:has(> .tool-wide) > .tool-results { position: static; }