/* Palette from the brief. White on #059669 is 3.8:1, so emerald backgrounds only carry large bold text (19px+). */
@font-face { font-family: Bricolage; src: url(fonts/bricolage-latin.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: Manrope; src: url(fonts/manrope-latin.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }
:root {
  --smeraldo: #059669; --ottanio: #0d9488; --scuro: #10231d; --chiaro: #f8faf9;
  --tenue: #4a5f58; --linea: #d3dfda; --carta: #fff; --tinta: #e4f3ee; --link: #047857; --errore: #a8321b; --errore-fondo: #fbeae6;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5.5rem; }
body { margin: 0; background: var(--chiaro); color: var(--scuro); font: 450 1.0625rem/1.65 Manrope, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a, button, label, summary { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
p, li, dd { text-wrap: pretty; overflow-wrap: break-word; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--ottanio); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3 { font-family: Bricolage, Manrope, sans-serif; line-height: 1.12; margin: 0 0 .55em; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 5.6vw, 3.9rem); font-weight: 750; letter-spacing: -.025em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; letter-spacing: -.015em; margin-top: 2.1em; }
h3 { font-size: 1.2rem; font-weight: 700; margin-top: 1.5em; }
p { margin: 0 0 1em; }
.numero { font-variant-numeric: tabular-nums; white-space: nowrap; }
.fascia { width: min(100% - 2.5rem, 76rem); margin-inline: auto; }
.colonna { padding-bottom: 4rem; }
.colonna > * { max-width: 46rem; }
.testata-pagina { padding-top: 1.5rem; }
.lancio { font-size: 1.2rem; line-height: 1.55; }
.occhiello { display: block; font: 700 .8125rem/1.4 Manrope, sans-serif; letter-spacing: .06em; text-transform: uppercase; color: var(--link); margin-bottom: .6em; }
.occhiello.chiaro { color: #7fe3c3; }
.salta { position: absolute; left: -999px; }
.salta:focus { left: 1rem; top: 1rem; background: var(--carta); padding: .5rem 1rem; z-index: 3; }

/* Header */
.capo { position: sticky; top: 0; z-index: 2; background: var(--scuro); color: var(--chiaro); }
.capo .fascia { display: flex; align-items: center; gap: 1rem; min-height: 4.25rem; }
.logo { display: inline-flex; align-items: center; gap: .6rem; color: inherit; text-decoration: none; margin-right: auto; }
.logo img { border-radius: 8px; }
.logo b { display: block; font: 700 1.125rem/1.1 Bricolage, sans-serif; }
.logo small { display: block; font-size: .75rem; line-height: 1.3; color: #b9ccc5; }
.voci { display: none; gap: 1.25rem; }
.voci a { color: var(--chiaro); text-decoration: none; font-weight: 600; font-size: .9375rem; padding: .35rem 0; border-bottom: 2px solid transparent; }
.voci a:hover, .voci a[aria-current] { border-bottom-color: #7fe3c3; }
.capo :focus-visible { outline-color: #7fe3c3; }
.invito-capo { display: none; background: var(--chiaro); color: var(--scuro); font-weight: 750; font-size: .9375rem; text-decoration: none; padding: .55rem .9rem; border-radius: 6px; white-space: nowrap; }
.invito-capo:hover { background: #7fe3c3; }
.tendina summary { list-style: none; cursor: pointer; font-weight: 700; padding: .6rem .2rem; min-height: 44px; }
.tendina summary::-webkit-details-marker { display: none; }
.tendina nav { position: absolute; left: 0; right: 0; background: var(--scuro); padding: .25rem 1.25rem 1rem; display: grid; border-bottom: 3px solid var(--ottanio); }
.tendina nav a { color: var(--chiaro); text-decoration: none; font-weight: 600; padding: .65rem 0; border-top: 1px solid #2c4139; }
.tendina nav .invito-menu { background: var(--chiaro); color: var(--scuro); font-weight: 750; text-align: center; border: 0; border-radius: 6px; margin-top: .6rem; }
@media (min-width: 72rem) { .voci { display: flex; } .invito-capo { display: inline-block; } .tendina { display: none; } }
.percorso { font-size: .875rem; color: var(--tenue); padding-top: 1rem; }
.percorso a { color: var(--tenue); }

/* Buttons */
.tasto { display: inline-block; background: var(--smeraldo); color: #fff; font: 700 1.1875rem/1.2 Manrope, sans-serif; text-decoration: none; padding: .8rem 1.25rem; min-height: 44px; border: 0; border-radius: 6px; cursor: pointer; transition: background-color .15s; }
.tasto:hover { background: var(--link); }
.tasto-2 { background: var(--scuro); }
.tasto-2:hover { background: #24463b; }
.tasto-chiaro { background: transparent; color: var(--chiaro); box-shadow: inset 0 0 0 2px #7fe3c3; }
.tasto-chiaro:hover { background: #24463b; }
.tasti { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 0; }
.tasto[aria-busy="true"] { opacity: .75; cursor: progress; }
.avvia { margin: 1.25rem 0; }

/* Home: the answer sheet is the identity of this site */
.apertura { background: var(--scuro); color: var(--chiaro); padding-block: 2.5rem 3rem; }
.apertura h1 { margin-top: .2em; }
.apertura-griglia { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 62rem) { .apertura-griglia { grid-template-columns: 1.15fr .85fr; gap: 4rem; } }
.apertura-foglio { background: var(--chiaro); color: var(--scuro); border-radius: 10px; padding: 1.1rem 1.1rem .8rem; box-shadow: 0 0 0 1px #2c4139, 14px 14px 0 var(--ottanio); margin-right: 14px; }
.foglio-titolo { display: flex; justify-content: space-between; gap: 1rem; font-weight: 750; margin-bottom: .7rem; }
.foglio-nota { font-size: .875rem; color: var(--tenue); margin: .7rem 0 0; }
.foglio { display: grid; grid-template-columns: repeat(auto-fill, minmax(5.6rem, 1fr)); gap: .3rem .75rem; }
.casella { display: flex; align-items: center; gap: 2px; font-size: .6875rem; line-height: 1; }
.casella i { font-style: normal; font-weight: 700; width: 1.6em; font-variant-numeric: tabular-nums; }
.casella u { width: .72rem; height: .72rem; border: 1.5px solid var(--smeraldo); border-radius: 50%; }
.casella s { flex: 1; height: .72rem; border-bottom: 2px solid var(--ottanio); }
.casella:nth-child(7n+3) u:nth-of-type(2), .casella:nth-child(5n+1) u:nth-of-type(4) { background: var(--smeraldo); }
.strumenti { display: grid; gap: 1px; background: var(--linea); border: 1px solid var(--linea); border-radius: 10px; overflow: hidden; margin-block: 2.5rem 0; }
@media (min-width: 48rem) { .strumenti { grid-template-columns: repeat(4, 1fr); } }
.strumenti a { background: var(--carta); padding: 1.1rem 1.15rem; text-decoration: none; color: var(--scuro); }
.strumenti a:hover { background: var(--tinta); }
.strumenti b { display: block; font: 700 1.125rem/1.2 Bricolage, sans-serif; color: var(--link); margin-bottom: .3rem; }
.strumenti span { font-size: .9375rem; line-height: 1.45; display: block; }
.materie { display: grid; gap: 0; }
.materie article { border-top: 2px solid var(--scuro); padding-block: .3rem .6rem; }
.materie h3 { margin-top: .6rem; }

/* Decree quotes */
.articolo { margin: 1.25rem 0 0; background: var(--carta); border: 1px solid var(--linea); border-left: 4px solid var(--ottanio); padding: .9rem 1.1rem; border-radius: 0 6px 6px 0; }
.articolo blockquote { margin: 0; }
.articolo figcaption { font-size: .8125rem; font-weight: 700; color: var(--tenue); margin-top: .5rem; }
.pratica { background: var(--tinta); padding: .9rem 1.1rem; border-radius: 6px; margin-top: .6rem; }
.pratica .tasto { margin-top: .6rem; }
.avviso { background: #fbf4dc; border: 1px solid #e3d59a; padding: .9rem 1.1rem; border-radius: 6px; }
.esclusione { font-weight: 650; }
.nota-fonti { font-size: .875rem; color: var(--tenue); border-top: 1px solid var(--linea); padding-top: 1rem; margin-top: 2.5rem; }
.nota-fonti a { color: var(--tenue); }
.figura { margin: 1.5rem 0; }
.figura img { border-radius: 8px; border: 1px solid var(--linea); }
figcaption { font-size: .875rem; color: var(--tenue); margin-top: .4rem; }
.faq h3 { font-size: 1.0625rem; margin-top: 1.2em; margin-bottom: .25em; }
.passi { padding-left: 1.4rem; }
.passi li { margin-bottom: .5rem; }

/* Tables */
.tabella { width: 100%; border-collapse: collapse; font-size: .9375rem; margin-block: 1rem; background: var(--carta); }
.tabella caption { text-align: left; font-size: .875rem; color: var(--tenue); padding-bottom: .4rem; }
.tabella th, .tabella td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--linea); vertical-align: top; }
.tabella thead th { background: var(--scuro); color: var(--chiaro); font-weight: 650; font-size: .8125rem; }
.tabella tbody th { font-weight: 650; }
.scorri { overflow-x: auto; }
.scorri:focus-visible { outline-offset: -3px; }
@media (max-width: 36rem) { #esito .tabella { font-size: .8125rem; } #esito .tabella th, #esito .tabella td { padding: .45rem .3rem; } #esito .numero { white-space: normal; } }

/* Subject and syllabus */
.unita { list-style: none; counter-reset: u; padding: 0; margin: 1rem 0; }
.unita li { counter-increment: u; padding-block: .45rem; }
.unita-capo { display: flex; justify-content: space-between; gap: 1rem; font-weight: 600; }
.unita-capo a::before { content: counter(u) ". "; }
.barra { display: block; width: 100%; height: 6px; margin-top: .3rem; }
.barra-fondo { fill: var(--linea); }
.barra-piena { fill: var(--smeraldo); }
.voce-programma { background: var(--carta); border: 1px solid var(--linea); border-radius: 6px; margin-bottom: .5rem; }
.voce-programma summary { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem .9rem; cursor: pointer; font-weight: 650; min-height: 44px; }
.voce-programma ul { margin: 0; padding: 0 .9rem 0 2.1rem; }
.voce-piede { font-size: .875rem; color: var(--tenue); padding: .5rem .9rem .7rem; margin: 0; }
.voce-programma:target { border-color: var(--smeraldo); box-shadow: 0 0 0 2px var(--smeraldo); }
.cerca[hidden] { display: block; visibility: hidden; } /* reserves the space: no layout shift when JS reveals it */
.cerca label { display: block; font-weight: 700; margin-bottom: .3rem; }
.cerca input { width: 100%; font: inherit; padding: .65rem .8rem; border: 2px solid var(--scuro); border-radius: 6px; background: var(--carta); min-height: 44px; }
.esito-cerca { display: block; font-size: .875rem; color: var(--tenue); min-height: 1.5em; margin-top: .3rem; }
[data-voce][hidden] { display: none; }
.registro { border-top: 2px solid var(--scuro); padding-top: .5rem; margin-top: 1.75rem; }
.registro h2 { font-size: 1.2rem; margin-top: .4rem; }
.registro dl { margin: 0; }
.registro dl div { display: grid; grid-template-columns: minmax(7rem, 11rem) 1fr; gap: .75rem; padding-block: .2rem; font-size: .9375rem; }
.registro dt { font-weight: 700; color: var(--tenue); }
.registro dd { margin: 0; }
.registro:target { outline: 2px solid var(--smeraldo); outline-offset: 6px; }

/* Forms: simulator and calculator */
.carte-materia { display: grid; gap: .6rem; margin-bottom: 1.1rem; }
@media (min-width: 44rem) { .carte-materia { grid-template-columns: repeat(3, 1fr); } }
.carte-materia label { display: flex; gap: .6rem; background: var(--carta); border: 2px solid var(--linea); border-radius: 8px; padding: .85rem; cursor: pointer; font-size: .9375rem; line-height: 1.4; scroll-margin-top: 6rem; }
.carte-materia label:hover { border-color: var(--smeraldo); }
.carte-materia label:has(:checked) { border-color: var(--smeraldo); background: var(--tinta); }
.carte-materia b { display: block; font: 700 1.125rem/1.3 Bricolage, sans-serif; }
.carte-materia input, .opzione input { accent-color: var(--smeraldo); width: 1.15rem; height: 1.15rem; flex: none; margin-top: .2rem; }
.calcolo fieldset { border: 1px solid var(--linea); border-radius: 8px; background: var(--carta); padding: .7rem 1rem .9rem; margin: 0 0 .75rem; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.calcolo legend { font-weight: 700; padding-inline: .3rem; }
.campo { margin: 0 0 .9rem; }
.calcolo fieldset .campo { margin: 0; flex: 1 1 7rem; }
.campo label { display: block; font-weight: 650; font-size: .9375rem; margin-bottom: .2rem; }
.campo input, .campo select { font: inherit; width: 100%; padding: .55rem .7rem; border: 1px solid var(--tenue); border-radius: 5px; background: var(--carta); color: inherit; min-height: 44px; font-variant-numeric: tabular-nums; }
.errori { background: var(--errore-fondo); border: 1px solid var(--errore); padding: .8rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.errori ul { margin: 0; padding-left: 1.2rem; }
.passaggi div { border-top: 1px solid var(--linea); padding-block: .6rem; }
.passaggi dt { font: 700 1.0625rem/1.3 Bricolage, sans-serif; }
.passaggi dd { margin: .15rem 0 0; }

/* Quiz */
.quesito { background: var(--carta); border: 1px solid var(--linea); border-radius: 8px; padding: 1rem 1.1rem; margin: 0 0 1rem; }
.quesito legend, .quesito h3 { font: 650 1.0625rem/1.5 Manrope, sans-serif; margin: 0 0 .6rem; padding: 0; white-space: pre-line; }
fieldset.quesito legend { float: left; width: 100%; }
fieldset.quesito legend + * { clear: both; }
.opzione { display: flex; gap: .6rem; padding: .55rem .5rem; border-radius: 5px; cursor: pointer; min-height: 44px; align-items: flex-start; }
.opzione:hover { background: var(--tinta); }
.opzione.salto { color: var(--tenue); font-size: .9375rem; }
.scelte { padding-left: 1.5rem; margin: 0 0 .6rem; }
.quesito details { margin-top: .4rem; }
.quesito summary { cursor: pointer; font-weight: 700; color: var(--link); padding-block: .4rem; min-height: 44px; }
.conti { display: grid; grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr)); gap: .5rem; margin: 1rem 0 1.5rem; }
.conti div { background: var(--carta); border: 1px solid var(--linea); border-radius: 6px; padding: .6rem .8rem; }
.conti dt { font-size: .875rem; color: var(--tenue); }
.conti dd { margin: 0; font: 750 1.8rem/1.2 Bricolage, sans-serif; font-variant-numeric: tabular-nums; }
.argomenti { padding-left: 1.2rem; }
.soluzioni { list-style: none; padding: 0; margin: 0 0 .7rem; }
.soluzioni li { padding: .4rem .6rem; border-radius: 4px; margin-bottom: .2rem; }
.soluzioni .giusta { background: var(--tinta); }
.soluzioni .sbagliata { background: var(--errore-fondo); }
.soluzioni strong { display: block; font-size: .8125rem; }

/* App band and footer */
.app { background: var(--tinta); padding-block: 1.75rem; }
.app-riga { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.app h2 { margin: 0 0 .2em; font-size: 1.4rem; }
.app p { margin: 0; }
.badge { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.piede { background: var(--scuro); color: #c9d8d2; font-size: .9375rem; padding-block: 2.5rem; }
.piede a { color: var(--chiaro); display: block; padding: .3rem 0; }
.piede h2 { font: 700 1rem/1.3 Bricolage, sans-serif; color: var(--chiaro); margin: 0 0 .4rem; }
.piede-nome { font: 700 1.25rem/1.2 Bricolage, sans-serif; color: var(--chiaro); }
.piede-griglia { display: grid; gap: 2rem; }
@media (min-width: 48rem) { .piede-griglia { grid-template-columns: 2fr 1fr 1fr; } }
.piede :focus-visible { outline-color: #7fe3c3; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } html { scroll-behavior: auto; } }

/* App bar: above the header, where Apple's banner sits; the bottom of the screen is for a cookie bar. It pushes the page down once, like Apple's. [hidden] must win over display:flex. */
.barra-app:not([hidden]) { display: flex; align-items: center; gap: .6rem; background: #fff; border-bottom: 1px solid #d3dfda; padding: .5rem .9rem .5rem .4rem; }
.barra-app img { border-radius: 9px; flex: none; }
.barra-app p { flex: 1; min-width: 0; margin: 0; line-height: 1.25; font-size: .875rem; color: #10231d; }
.barra-app b, .barra-app p span { display: block; }
.barra-app a { flex: none; display: inline-flex; align-items: center; min-height: 44px; padding-inline: 1rem; border-radius: 22px; background: #10231d; color: #f8faf9; font-weight: 700; font-size: .9375rem; text-decoration: none; }
.barra-chiudi { flex: none; width: 44px; height: 44px; border: 0; background: none; color: #47605a; font-size: 1.5rem; line-height: 1; cursor: pointer; }