/* Pagina regolamento: indice laterale, barra di ricerca fissa, articoli con commi numerati e blocchi di esempio.
   Usa anche css/pagine.css (intestazione .lhero). */

:root{--r-off:140px;--ok:#4f9a5e;--no:#c4553b}
html{scroll-padding-top:var(--r-off)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---- intestazione ---- */
.rhero h1{max-width:none}
.r-meta{font:400 .95rem var(--display);letter-spacing:.05em;color:var(--muted);margin:1.2rem 0 0;max-width:none}
.r-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1.2rem;margin-top:2rem}
@media (max-width:820px){.r-intro{grid-template-columns:1fr}}
.r-intro>div{background:var(--bg2);border:1px solid var(--line);padding:1.2rem 1.3rem}
.r-intro .r-key{border-left:4px solid var(--amber)}
.r-intro .lbl{font:500 .9rem var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--amber);margin:0 0 .5rem}
.r-intro p{font-size:1rem;margin:0 0 .8rem;max-width:none}
.r-intro .btn{display:inline-block;margin-top:.2rem;font-size:.95rem;padding:.55rem 1rem}
.r-first{font:400 .95rem var(--display);letter-spacing:.03em}
.r-legend{display:flex;flex-wrap:wrap;gap:.5rem .6rem;list-style:none;padding:0;margin:1.2rem 0 0}
.r-legend li{font-size:.92rem;color:var(--muted);border:1px solid var(--line);border-left:3px solid var(--head);padding:.25rem .6rem}
.r-legend b{font:500 .85rem var(--display);letter-spacing:.06em;text-transform:uppercase;color:var(--head);margin-right:.3rem}
.r-legend .def{border-left-color:var(--sea)}.r-legend .def b{color:var(--sea)}
.r-legend .ok{border-left-color:var(--ok)}.r-legend .ok b{color:var(--ok)}
.r-legend .no-t{font:500 .85rem var(--display);letter-spacing:.06em;text-transform:uppercase;color:var(--no);margin-right:.3rem}
.r-legend .edge{border-left-color:var(--amber)}.r-legend .edge b{color:var(--amber)}

/* ---- barra strumenti (ricerca) fissa sotto l'header ---- */
.r-tools{position:sticky;top:calc(env(safe-area-inset-top,0px) + 65px);z-index:15;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.r-tools .wrap{display:flex;align-items:center;gap:.8rem 1.2rem;flex-wrap:wrap;padding-block:.7rem}
.r-search{position:relative;flex:1 1 320px;max-width:560px;display:block}
.r-search input{width:100%;font:400 1.05rem var(--serif);color:var(--head);background:var(--bg2);border:1px solid var(--line);padding:.6rem 2.6rem .6rem .9rem;border-radius:2px}
.r-search input:focus{outline:2px solid var(--amber);outline-offset:0;border-color:var(--amber)}
.r-search kbd{position:absolute;right:.6rem;top:50%;transform:translateY(-50%);font:500 .8rem ui-monospace,Consolas,monospace;color:var(--muted);border:1px solid var(--line);padding:.05rem .4rem;border-radius:3px;pointer-events:none}
.r-search input:focus+kbd,.r-search input:not(:placeholder-shown)+kbd{display:none}
.r-count{margin:0;font:400 .95rem var(--display);letter-spacing:.03em;color:var(--muted);flex:0 1 auto;max-width:none}
.r-count a,.r-count button{font:inherit;color:var(--amber);background:none;border:0;padding:0;cursor:pointer;text-decoration:underline}
.r-switch{display:flex;align-items:center;gap:.45rem;font:400 .95rem var(--display);letter-spacing:.03em;color:var(--head);cursor:pointer;margin-left:auto;white-space:nowrap}
.r-switch input{width:1.05rem;height:1.05rem;accent-color:var(--amber)}
.r-tocbtn{display:none;font:500 .95rem var(--display);letter-spacing:.05em;color:var(--head);background:transparent;border:1px solid var(--line);padding:.5rem .9rem;cursor:pointer;border-radius:2px}
.searching .r-switch{opacity:.45}

/* ---- impaginazione: indice + testo ---- */
.r-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:3rem;padding-block:2rem 5rem}
.r-toc{position:sticky;top:calc(var(--r-off) + .5rem);align-self:start;max-height:calc(100vh - var(--r-off) - 1.5rem);overflow:auto;overscroll-behavior:contain;padding-right:.4rem;font:400 .95rem/1.3 var(--display);letter-spacing:.02em}
.r-toc-h{font:500 .85rem var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .6rem}
.r-toc ol{list-style:none;margin:0;padding:0}
.r-toc>ol>li{border-left:2px solid var(--line)}
.r-toc a{display:block;color:var(--muted);text-decoration:none;padding:.3rem 0 .3rem .8rem;margin-left:-2px;border-left:2px solid transparent}
.r-toc a:hover{color:var(--head)}
.r-toc .t{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--amber)}
.r-toc .t-link{color:var(--head)}
.r-toc li.on>.t-link{border-left-color:var(--amber)}
.r-toc li ol{display:none;margin:.1rem 0 .5rem}
.r-toc li.open ol,.r-toc li:focus-within ol{display:block}
.r-toc li ol a{font-size:.9rem;padding:.22rem 0 .22rem 1.3rem}
.r-toc li ol a.on{color:var(--head);border-left-color:var(--amber);background:color-mix(in srgb,var(--amber) 8%,transparent)}
.r-toc .n{color:var(--amber);font-size:.85em;margin-right:.2rem}
.r-toc .prep{padding:.3rem 0 .3rem .8rem;color:var(--muted);opacity:.7}
.r-toc .prep em{display:block;font:italic .82rem var(--serif)}
@media (max-width:960px){
  .r-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:1rem}
  .r-tocbtn{display:inline-block}
  .r-switch{margin-left:0}
  .r-toc{display:none;position:fixed;inset:calc(var(--r-off) + env(safe-area-inset-top,0px)) 0 0 0;max-height:none;z-index:14;background:var(--bg);padding:1rem 1.25rem 3rem;border-top:1px solid var(--line)}
  .toc-open .r-toc{display:block}
  .toc-open{overflow:hidden}
  .r-toc li ol{display:block}
}

/* ---- testo ---- */
.r-body{min-width:0;max-width:48rem;font-size:1.06rem;line-height:1.72}
.r-body p,.r-body li{max-width:none}
.titolo{margin:0 0 3.5rem;padding:0;border:0}
.titolo+.titolo{padding-top:1rem}
.t-head{border-bottom:2px solid var(--head);padding-bottom:.7rem;margin-bottom:.4rem}
.t-num{font:500 .95rem var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin:0 0 .25rem}
.t-head h2{font-size:clamp(1.7rem,3.6vw,2.5rem);line-height:1.05}
.titolo>p,.titolo>.note{margin-top:1rem}
.titolo.prep .prep-note{font-style:italic;color:var(--muted)}

.art{padding:1.5rem 0 .6rem;border-bottom:1px solid var(--line);scroll-margin-top:var(--r-off)}
.art:last-child{border-bottom:0}
.art h3{display:flex;flex-wrap:wrap;align-items:baseline;gap:.3rem .7rem;font-size:1.3rem;line-height:1.2;margin:0 0 .8rem;text-transform:none;letter-spacing:.01em}
.a-num{font:500 .95rem ui-monospace,Consolas,monospace;color:var(--amber);text-decoration:none;border:1px solid color-mix(in srgb,var(--amber) 55%,transparent);padding:.05rem .45rem;border-radius:3px;white-space:nowrap}
.a-num:hover{background:color-mix(in srgb,var(--amber) 12%,transparent)}
.a-title{font:500 1.3rem/1.2 var(--display);color:var(--head);flex:1 1 16rem}
.a-title code{font-size:.85em}
.a-copy{font:400 .8rem var(--display);letter-spacing:.04em;color:var(--muted);background:transparent;border:1px solid var(--line);padding:.15rem .5rem;cursor:pointer;opacity:0;transition:opacity .15s;border-radius:2px}
.art:hover .a-copy,.a-copy:focus-visible,.a-copy.done{opacity:1}
@media (hover:none){.a-copy{opacity:1}}
.a-copy.done{color:var(--ok);border-color:var(--ok)}
.art:target,.art li:target{animation:rflash 2.4s ease-out}
@keyframes rflash{0%,35%{background:color-mix(in srgb,var(--amber) 16%,transparent)}100%{background:transparent}}

/* commi numerati */
.art>ol{list-style:none;padding:0;margin:0 0 1rem;counter-reset:none}
.art>ol>li{position:relative;padding:.15rem 0 .15rem 2.1rem;margin:0 0 .55rem;scroll-margin-top:var(--r-off)}
.art>ol>li[data-n]::before{content:attr(data-n);position:absolute;left:0;top:.2rem;width:1.5rem;font:500 .95rem var(--display);color:var(--amber);text-align:right}
.art>p{margin:0 0 .8rem}
.sub{display:block;padding-left:1.4rem;text-indent:-1.4rem;margin-top:.25rem}
.sub b{color:var(--muted);font-weight:500}
.r-body ul{padding-left:1.2rem;margin:.4rem 0 1rem}
.r-body ul li{margin:0 0 .45rem}
.r-body strong{color:var(--head);font-weight:600}
.r-body code{font-size:.88em}
.r-body .ref{color:var(--amber);text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px;white-space:nowrap}
.r-body .ref:hover{text-decoration-style:solid}

/* blocchi */
.blk{border-left:3px solid var(--line);background:var(--bg2);padding:.75rem 1rem .3rem;margin:.9rem 0 1.1rem;font-size:1rem}
.blk-h{font:500 .82rem var(--display)!important;letter-spacing:.1em;text-transform:uppercase;margin:0 0 .4rem!important;color:var(--head)}
.blk-h code{text-transform:none;letter-spacing:0}
.blk ul{margin:.2rem 0 .6rem}
.blk.def{border-left-color:var(--sea)}.blk.def .blk-h{color:var(--sea)}
.blk.how,.blk.proc{border-left-color:var(--sea)}.blk.how .blk-h,.blk.proc .blk-h{color:var(--sea)}
.blk.ok{border-left-color:var(--ok)}.blk.ok .blk-h{color:var(--ok)}
.blk.no{border-left-color:var(--no)}.blk.no .blk-h{color:var(--no)}
.blk.edge{border-left-color:var(--amber)}.blk.edge .blk-h{color:var(--amber)}
.no-ex .blk.ex{display:none}
.searching .blk.ex{display:block}
.note{border:1px solid var(--line);border-left:3px solid var(--sea);padding:.75rem 1rem;margin:.9rem 0 1.1rem;font-size:1rem;background:color-mix(in srgb,var(--sea) 6%,transparent)}
.note p{margin:0 0 .4rem}
.note p:last-child{margin:0}

/* tabelle */
.tbl{overflow-x:auto;margin:.8rem 0 1.2rem;-webkit-overflow-scrolling:touch}
.tbl table{min-width:520px;margin:0;font-size:.98rem;line-height:1.5}
.tbl th{position:sticky;top:0;background:var(--bg2);padding:.5rem .7rem;vertical-align:bottom}
.tbl td{padding:.55rem .7rem;vertical-align:top}
.tbl tr:nth-child(even) td{background:color-mix(in srgb,var(--bg2) 55%,transparent)}
#titolo-ii .tbl td:first-child{font-weight:600;color:var(--head);white-space:nowrap}

/* ricerca */
mark{background:color-mix(in srgb,var(--amber) 38%,transparent);color:inherit;padding:0 .05em;border-radius:2px}
.r-empty{font-style:italic;color:var(--muted);border:1px dashed var(--line);padding:1rem 1.2rem}
.r-end{margin-top:3rem;color:var(--muted);font-style:italic}

/* torna su */
.r-top{position:fixed;left:1rem;bottom:calc(1rem + env(safe-area-inset-bottom,0px));z-index:30;width:44px;height:44px;display:grid;place-items:center;font:500 1.3rem var(--display);color:var(--head);background:var(--bg2);border:1px solid var(--line);text-decoration:none;border-radius:50%;opacity:0;pointer-events:none;transition:opacity .2s}
.r-top.show{opacity:1;pointer-events:auto}

/* stampa: solo il testo */
@media print{
  .top,.r-tools,.r-toc,.r-top,footer,.editbar,.toast,.a-copy,.r-intro .btn{display:none!important}
  .r-layout{display:block}
  .r-body{max-width:none;font-size:11pt}
  .art{break-inside:avoid-page}
  .no-ex .blk.ex{display:block}
}