/* Stili del prototipo docs/performai-simulatore_1.html, ripresi senza modifiche. */
/* Layout: strumento di lavoro. Barra modalità in alto, area centrale a una colonna (compilazione) o a due colonne (matrice + pannello esiti). Colori d'area PLAY come unico codice cromatico. */
:root{
  --bg:#f5f6f4; --panel:#ffffff; --fg:#1b2026; --muted:#5f6a75; --line:#d9dee3; --line-2:#eceff2;
  --accent:#1f4e79; --accent-fg:#ffffff;
  --most:#1e7a4a; --most-bg:#e2f3e8; --least:#b3402f; --least-bg:#f8e4df;
  --ok:#1e7a4a; --ko:#b3402f; --warn:#9a6b00;
  --P:#d0631c; --L:#6a4bb8; --A:#0f7f8f; --Y:#3f8a2e;
  --P-bg:#fbeadd; --L-bg:#ebe5f8; --A-bg:#dcf1f3; --Y-bg:#e4f2df;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#14181c; --panel:#1d2329; --fg:#e6eaee; --muted:#9aa5b1; --line:#323b45; --line-2:#262e37;
  --accent:#8fb6e0; --accent-fg:#0f1a26;
  --most:#5fcf8f; --most-bg:#173425; --least:#f08a76; --least-bg:#3d1f1a;
  --ok:#5fcf8f; --ko:#f08a76; --warn:#e0b24a;
  --P:#f1924e; --L:#a98ef0; --A:#4fc0cf; --Y:#7cc966;
  --P-bg:#3a2415; --L-bg:#28203f; --A-bg:#0f3238; --Y-bg:#1d3318;
  color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#14181c; --panel:#1d2329; --fg:#e6eaee; --muted:#9aa5b1; --line:#323b45; --line-2:#262e37;
  --accent:#8fb6e0; --accent-fg:#0f1a26;
  --most:#5fcf8f; --most-bg:#173425; --least:#f08a76; --least-bg:#3d1f1a;
  --ok:#5fcf8f; --ko:#f08a76; --warn:#e0b24a;
  --P:#f1924e; --L:#a98ef0; --A:#4fc0cf; --Y:#7cc966;
  --P-bg:#3a2415; --L-bg:#28203f; --A-bg:#0f3238; --Y-bg:#1d3318;
  color-scheme:dark }

*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:15px;line-height:1.45;margin:0}
.wrap{max-width:1180px;margin:0 auto;padding-block:16px 48px;padding-inline:16px}
h1,h2,h3{margin:0;text-wrap:balance;font-weight:600}
h1{font-size:18px}
h2{font-size:15px}
h3{font-size:14px}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:1px solid var(--line);border-radius:6px;padding:7px 12px;cursor:pointer}
button:hover{border-color:var(--accent)}
button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
button.primary:disabled{opacity:.45;cursor:not-allowed}
button.small{padding:4px 9px;font-size:13px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.eyebrow{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500}

/* top bar */
.top{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px}
.top .title{display:flex;flex-direction:column;gap:2px;min-width:0}
.tabs{display:flex;gap:4px;background:var(--line-2);padding:3px;border-radius:8px}
.tabs button{border:none;border-radius:6px;padding:6px 14px}
.tabs button[aria-selected="true"]{background:var(--panel);box-shadow:0 1px 2px rgba(0,0,0,.12);font-weight:600}
.tools{display:flex;flex-wrap:wrap;gap:8px;margin-left:auto;align-items:center}
.tools label{display:flex;gap:6px;align-items:center;font-size:13px;color:var(--muted)}

/* compilazione */
.survey{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.progress{height:6px;background:var(--line-2);border-radius:3px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--accent);width:0;transition:width .2s}
@media (prefers-reduced-motion: reduce){.progress i{transition:none}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}
.qhead{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{display:grid;grid-template-columns:22px 1fr auto;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:8px}
.opt.is-most{border-color:var(--most);background:var(--most-bg)}
.opt.is-least{border-color:var(--least);background:var(--least-bg)}
.opt .letter{font-family:var(--mono);color:var(--muted)}
.opt .txt{min-width:0}
.opt .tag{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.pick{display:flex;gap:6px}
.pick button{padding:5px 10px;font-size:13px;min-width:56px}
.pick button.on-most{background:var(--most);border-color:var(--most);color:#fff}
.pick button.on-least{background:var(--least);border-color:var(--least);color:#fff}
.nav{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.nav .right{display:flex;gap:8px;margin-left:auto}
.hint{font-size:13px;color:var(--muted)}
.instructions{font-size:14px;color:var(--muted);max-width:65ch}
.intro{display:flex;flex-direction:column;gap:14px;max-width:65ch}
.intro p{font-size:15px}
.intro .facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
@media (max-width:600px){.intro .facts{grid-template-columns:1fr}}
.intro .fact{padding:10px 12px;border:1px solid var(--line);border-radius:8px}
.intro .fact b{display:block;font-size:18px;font-family:var(--mono);font-weight:500}
.intro .fact span{font-size:12px;color:var(--muted)}
.rule{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;padding:10px 12px;margin-bottom:12px;border-radius:8px;background:var(--line-2);font-size:14px}
.rule .mark{display:flex;flex-direction:column;gap:3px;padding-top:2px}
.rule .mark i{display:block;width:10px;height:10px;border-radius:2px}
.rule .mark i.m{background:var(--most)} .rule .mark i.l{background:var(--least)}
.rule b{font-weight:600}
.rule .one{color:var(--accent);font-weight:600}
.rule em{font-style:normal;color:var(--most);font-weight:600} .rule em.l{color:var(--least)}
.time{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:13px;display:flex;flex-direction:column;gap:4px}
.time b{font-size:16px;font-weight:500}
.lvpill{display:inline-block;min-width:34px;text-align:center;padding:1px 6px;border-radius:4px;font-weight:500;background:var(--line-2)}
.lv-0_5{background:var(--least-bg);color:var(--least)} .lv-1{background:var(--line-2)} .lv-1_5{background:var(--line-2)} .lv-2{background:var(--most-bg);color:var(--most)} .lv-2_5{background:var(--most);color:#fff}
.macro .lv{margin-top:4px;padding-top:4px;border-top:1px dashed var(--line)}
.perform{display:flex;flex-direction:column;gap:16px}
.perform .prose{max-width:70ch;display:flex;flex-direction:column;gap:10px;font-size:15px}
.perform .prose p{line-height:1.55}
.ptable{width:100%;border-collapse:collapse;font-size:13px}
.ptable th,.ptable td{padding:6px 8px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top}
.ptable th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}
.ptable td.mono{white-space:nowrap}
.ptable td.who{font-size:12px;color:var(--muted)}
.thr{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:end}
.thr label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--muted)}
.thr input{width:70px;font:inherit;font-family:var(--mono);padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--fg)}
.thr .presets{display:flex;gap:6px;margin-left:auto}
.thr .err{color:var(--ko);font-size:12px;flex-basis:100%}
.hist{display:grid;grid-template-columns:repeat(17,1fr);gap:2px;align-items:end;height:90px}
.hist div{position:relative;background:var(--line);border-radius:2px 2px 0 0;min-height:2px}
.hist div.b0{background:var(--least)} .hist div.b1,.hist div.b2{background:var(--muted)} .hist div.b3{background:var(--most)} .hist div.b4{background:var(--most);outline:2px solid var(--most)}
.hist div span{position:absolute;top:100%;left:0;right:0;text-align:center;font-size:10px;font-family:var(--mono);color:var(--muted);margin-top:2px}
.hist div i{position:absolute;bottom:100%;left:0;right:0;text-align:center;font-size:10px;font-family:var(--mono);font-style:normal}
.linkbtn{border:none;padding:0;color:var(--accent);text-decoration:underline;font-size:13px}
.dots{display:grid;grid-template-columns:repeat(24,1fr);gap:3px}
.dots button{padding:0;height:10px;border-radius:2px;border:none;background:var(--line)}
.dots button.done{background:var(--accent)}
.dots button.cur{outline:2px solid var(--fg);outline-offset:1px}

/* matrice */
.matrix-layout{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:18px;align-items:start}
@media (max-width:960px){.matrix-layout{grid-template-columns:1fr}}
.mtable{width:100%;border-collapse:collapse;font-size:13px}
.mtable th,.mtable td{padding:5px 6px;border-bottom:1px solid var(--line-2);vertical-align:top;text-align:left}
.mtable th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;position:sticky;top:env(safe-area-inset-top,0px);background:var(--panel);z-index:1}
.mtable tr.blk-first td{border-top:2px solid var(--line)}
.mtable td.num{font-family:var(--mono);color:var(--muted);white-space:nowrap}
.mtable td.id{font-family:var(--mono);white-space:nowrap}
.mtable td.txt{min-width:0}
.mtable td.ml{white-space:nowrap}
.mtable tr.r-most td{background:var(--most-bg)}
.mtable tr.r-least td{background:var(--least-bg)}
.mtable input[type=radio]{accent-color:var(--most);margin:0 4px 0 0;cursor:pointer}
.mtable input[type=radio].least{accent-color:var(--least)}
.mtable tr.incomplete td.num{color:var(--warn)}
.scroll{overflow-x:auto}
.sticky{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px)}

/* esiti */
.results{display:flex;flex-direction:column;gap:14px}
.macros{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
@media (max-width:600px){.macros{grid-template-columns:repeat(2,1fr)}}
.macro{padding:10px 12px;border-radius:8px;border:1px solid var(--line);border-left:4px solid var(--area)}
.macro .big{font-size:22px;font-weight:600;font-family:var(--mono)}
.macro .sub{font-size:12px;color:var(--muted)}
.stable{width:100%;border-collapse:collapse;font-size:13px}
.stable th,.stable td{padding:4px 6px;border-bottom:1px solid var(--line-2);text-align:right;white-space:nowrap}
.stable th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}
.stable td:first-child,.stable th:first-child{text-align:left;white-space:normal}
.stable tr.area-row td{padding-top:8px;font-weight:600;color:var(--area);text-align:left;border-bottom:none}
.stable td.bar{width:120px;padding-block:2px}
.bar-track{position:relative;height:12px;background:var(--line-2);border-radius:2px;overflow:hidden}
.bar-track:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line)}
.bar-fill{position:absolute;top:0;bottom:0;background:var(--area)}
.stable tr.expandable{cursor:pointer}
.stable tr.detail td{text-align:left;white-space:normal;font-family:var(--mono);font-size:12px;color:var(--muted);background:var(--line-2)}
.chk{display:flex;flex-direction:column;gap:4px;font-size:13px}
.chk div{display:flex;gap:8px;align-items:center}
.chk .st{font-family:var(--mono);font-size:12px;width:20px}
.chk .ok{color:var(--ok)} .chk .ko{color:var(--ko)}
details summary{cursor:pointer;font-weight:500}
pre{font-family:var(--mono);font-size:12px;background:var(--line-2);padding:10px;border-radius:6px;overflow:auto;max-height:260px;margin:8px 0 0}
.formula{font-family:var(--mono);font-size:12px;color:var(--muted);line-height:1.6}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 20px);transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:8px 14px;border-radius:6px;font-size:13px}
.area-P{--area:var(--P)} .area-L{--area:var(--L)} .area-A{--area:var(--A)} .area-Y{--area:var(--Y)}
.pill{display:inline-block;font-size:11px;font-family:var(--mono);padding:1px 6px;border-radius:4px;color:var(--area);background:var(--line-2)}
/* reset minimo per la versione autonoma (nell'artefatto lo fornisce la piattaforma) */
[hidden]{display:none!important}
html{color-scheme:light dark}

/* Aggiunte per il simulatore PHP: modulo di accesso, messaggi, esito semplice. */
.form{display:flex;flex-direction:column;gap:12px;padding-top:4px}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:13px;font-weight:500}
.field input[type=text],.field input[type=email]{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--fg);width:100%;max-width:420px}
.field input[aria-invalid=true]{border-color:var(--ko)}
.consent{display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:start;font-size:14px}
.consent input{margin-top:3px}
.err{color:var(--ko);font-size:13px}
.err:empty{display:none}
.notice{padding:10px 12px;border:1px solid var(--ko);border-radius:8px;color:var(--ko);font-size:14px}
.thanks{font-size:15px;display:flex;flex-direction:column;gap:8px}
.custom-text{font-size:15px;line-height:1.55;display:flex;flex-direction:column;gap:8px;padding:12px 14px;border:1px dashed var(--line);border-radius:8px}
/* Pagine pubbliche a tutta larghezza (compilazione, istruzioni, messaggi), come il titolo. */
.survey,.intro{max-width:none}