@font-face{font-family:Roboto;src:url("fonts/roboto-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Roboto;src:url("fonts/roboto-700.woff2") format("woff2");font-weight:700;font-display:swap}
*{box-sizing:border-box}
:root{color-scheme:light;--background:#f5f5f5;--paper:#ffffff;--text:#000000;--muted:#303438;--border:#b4b4b4;--code:#f5f5f5;--link:#b6151b;--button:#d71920;--button-text:#fff;--focus:#d71920}
:root[data-theme=dark]{color-scheme:dark;--background:#171c20;--paper:#20272c;--text:#f3f1e9;--muted:#cbc7bc;--border:#777f83;--code:#151c21;--link:#ffa5a9;--button:#ffa5a9;--button-text:#221416;--focus:#ffa5a9}
html{font-size:100%;background:var(--background);color:var(--text);scroll-padding-top:1rem}
body{margin:0;font-family:"DIN 2014",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6}
main{width:100%;max-width:70ch;margin:auto;padding:clamp(1rem,4vw,2rem);background:var(--paper);min-height:100vh}
h1,h2,h3{line-height:1.25;overflow-wrap:anywhere}
h1{font-size:clamp(1.65rem,5vw,2.2rem);margin-top:.75rem}h2{font-size:1.35rem;margin-top:2rem}h3{font-size:1.15rem}
p,li{overflow-wrap:anywhere}p{margin:0 0 1rem}li{margin-bottom:.65rem}
ol,ul{padding-left:1.6rem}
pre{max-width:100%;overflow-x:auto;padding:1rem;background:var(--code);border:1px solid var(--border);line-height:1.5;margin-top:.4rem;border-radius:.35rem;overscroll-behavior-x:contain}
pre code{white-space:pre;font-size:1rem}
code{font-family:ui-monospace,"Cascadia Code",Consolas,monospace}
p code,li code{overflow-wrap:anywhere;background:var(--code);padding:.08em .2em;border-radius:.2em}
a{color:var(--link);text-underline-offset:.2em}
.lesson-nav{display:flex;flex-wrap:wrap;gap:.65rem;margin:1rem 0}
.lesson-nav a,summary,button{padding:.65rem .8rem;min-height:2.75rem}
.lesson-nav a{display:flex;align-items:center;border:1px solid var(--border);border-radius:.4rem;flex:1 1 11rem}
.toc{border:1px solid var(--border);border-radius:.4rem;margin-bottom:1.5rem}
.toc ol{padding-right:1rem}.toc li a{display:block;padding:.4rem 0}
summary{cursor:pointer;font-weight:600}
[id^="argomento-"]{scroll-margin-top:1rem}
label{display:block;font-weight:600}
.search-controls{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}
input{min-width:0;max-width:100%;flex:1 1 12rem;padding:.7rem;font:inherit;color:var(--text);background:var(--paper);border:1px solid var(--border);border-radius:.3rem}
button{font:inherit;cursor:pointer;background:var(--button);color:var(--button-text);border:0;border-radius:.3rem}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.skip{position:absolute;left:-10000px}.skip:focus{left:1rem;top:.5rem;background:var(--paper);padding:1rem;z-index:2}
#search-results:empty{display:none}.lot{margin-top:2rem}
.lot a,#search-results a{display:block;padding:.5rem 0}
.reading-tools{max-width:70ch;margin:auto;padding:.65rem 1rem;display:flex;justify-content:flex-end}
.code-tools{display:flex;align-items:center;flex-wrap:wrap;gap:.75rem;margin-top:1.25rem}
.code-tools span{color:var(--muted);font-size:.9rem}
@media(max-width:26rem){.lesson-nav a{flex-basis:100%}.search-controls button{flex:1 1 auto}}
@media print{.reading-tools,.lesson-nav,.toc,.code-tools,#search-form{display:none}main{max-width:none}pre{white-space:pre-wrap}pre code{white-space:pre-wrap;overflow-wrap:anywhere}}

.lesson-list,.toc ol{list-style:none;padding-left:0}.lesson-list li{margin:0;border-bottom:1px solid var(--border)}.lesson-list a{display:block;padding:.85rem .25rem}.toc ol{padding-left:1rem}

/* Palette e gerarchia tipografica riprese da primatraccia.com, 05/11/2026. */
h1,h2,h3{font-family:"DIN 2014",Roboto,"Helvetica Neue",Arial,sans-serif;font-weight:700;letter-spacing:-.025em}
section[data-type="markdown"] p,section[data-type="markdown"] li{font-family:Jubilat,Georgia,serif;font-size:1.125rem;line-height:1.7;font-weight:400}
h1{border-bottom:2px solid #d71920;padding-bottom:.75rem}
.lesson-list a{font-weight:700}