/* Appunti Vivi · blog (/articoli/). Si appoggia a sito.css per colori, bottoni, testata e piede. */
.blog { padding-block: 22px 0; }
.briciole { font-size: 14px; color: var(--mute); margin-bottom: 18px; }
.briciole a:hover { color: var(--blu); }
.art { max-width: 780px; margin: 0 auto; }
.art-testa { max-width: 780px; margin: 0 auto 22px; }
.art-testa.larga { max-width: 860px; margin: 0 0 22px; }
.art-testa .etichetta { color: var(--blu); margin-bottom: 8px; }
a.etichetta:hover { text-decoration: underline; }
.art-testa h1 { font-size: clamp(32px, 4.4vw, 48px); line-height: 1.08; margin-bottom: 14px; }
.sommario { font-size: 19px; line-height: 1.5; color: var(--ink-2); margin-bottom: 12px; }
.firma { font-size: 14px; color: var(--mute); }
.per-chi { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; color: var(--mute); }
.per-chi-fondo { margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--linea); }
.classi { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.classe { display: inline-block; padding: 3px 10px; border-radius: 999px; background: #e4ecfb; color: var(--blu-sc); font-family: var(--t); font-weight: 800; font-size: 13px; line-height: 1.4; }
.art-foto { width: 100%; aspect-ratio: 1200 / 630; object-fit: cover; border-radius: 18px; margin-bottom: 26px; border: 1px solid var(--linea); }

.in-breve { margin: 0 0 24px; padding: 18px 22px; border-radius: 14px; background: #fff8dc; border: 1px solid #f3e2a0; }
.in-breve-tit { font-family: var(--t); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--rosso); margin-bottom: 4px; }
.in-breve p:last-child { font-size: 17px; line-height: 1.6; }
.indice { margin: 0 0 28px; padding: 18px 22px; border: 1px solid var(--linea); border-radius: 14px; background: var(--fondo); }
.indice p { font-family: var(--t); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-bottom: 6px; }
.indice ol { margin: 0; padding-left: 22px; display: grid; gap: 4px; font-weight: 700; }
.indice a:hover { color: var(--blu); }

.art-testo { font-size: 18px; line-height: 1.7; color: var(--ink-2); }
.art-testo > * + * { margin-top: 16px; }
.art-testo h2 { font-size: clamp(25px, 3vw, 31px); color: var(--ink); margin-top: 44px; scroll-margin-top: 90px; }
.art-testo h3 { font-size: 21px; color: var(--ink); margin-top: 30px; }
.art-testo strong { color: var(--ink); }
.art-testo a:not(.btn) { color: var(--blu); text-decoration: underline; text-underline-offset: 2px; }
.art-testo ul, .art-testo ol { padding-left: 24px; }
.art-testo li + li { margin-top: 6px; }
.art-testo blockquote { margin: 16px 0 0; padding: 12px 18px; border-left: 4px solid var(--giallo); background: #fff9e6; border-radius: 0 10px 10px 0; }
.art-testo .katex { font-size: 1.08em; color: var(--ink); }
.formula { margin: 18px 0 0; padding: 14px 16px; background: var(--fondo); border-radius: 12px; overflow-x: auto; overflow-y: hidden; }
.formula .katex-display { margin: 0; }

.riquadro { padding: 16px 20px; border-radius: 14px; border: 2px solid; }
.riquadro > * + * { margin-top: 10px; }
.riquadro-tit { font-family: var(--t); font-weight: 800; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.riquadro-regola { border-color: #b9cdf5; background: #f1f5fd; } .riquadro-regola .riquadro-tit { color: var(--blu-sc); }
.riquadro-errore { border-color: #f4bdb8; background: #fdf2f1; } .riquadro-errore .riquadro-tit { color: var(--rosso); }
.riquadro-trucco { border-color: #a8e0cd; background: #effaf5; } .riquadro-trucco .riquadro-tit { color: var(--verde); }
.riquadro-attenzione { border-color: #f3e2a0; background: #fff8dc; } .riquadro-attenzione .riquadro-tit { color: #9a7400; }

.risposta { margin-top: 10px; }
.risposta summary { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; list-style: none; font-family: var(--t); font-weight: 800; font-size: 15px; color: var(--blu-sc); padding: 5px 14px; border-radius: 999px; background: #e4ecfb; }
.risposta summary::-webkit-details-marker { display: none; }
.risposta summary::before { content: "+"; font-weight: 900; }
.risposta[open] summary::before { content: "−"; }
.risposta > div { margin-top: 10px; padding: 12px 16px; border-radius: 12px; background: var(--fondo); color: var(--ink); font-size: 17px; }
.risposta > div > * + * { margin-top: 8px; }

.tabella { overflow-x: auto; }
.tabella table { border-collapse: collapse; width: 100%; font-size: 16px; }
.tabella th, .tabella td { border: 1px solid var(--linea); padding: 8px 12px; text-align: left; vertical-align: top; }
.tabella th { background: var(--fondo); font-family: var(--t); color: var(--ink); }

.box-libro { display: grid; grid-template-columns: 140px 1fr; gap: 24px; align-items: center; margin: 36px 0; padding: 24px; border-radius: 18px; background: linear-gradient(120deg, #eef3fd, #fff6dc); border: 1px solid var(--linea); }
.box-libro-img img { width: 140px; border-radius: 4px; box-shadow: -8px 12px 22px rgba(30, 42, 54, .28); transform: rotate(-2deg); }
.box-libro .etichetta { font-size: 12px; color: var(--rosso); }
.box-libro-titolo { font-family: var(--t); font-weight: 800; font-size: 21px; line-height: 1.2; color: var(--ink); margin: 4px 0 6px; }
.box-libro p { font-size: 16px; line-height: 1.5; color: var(--ink-2); }
.art-testo .box-libro p { margin-top: 0; }
.box-libro-dove { margin-top: 8px !important; font-weight: 700; color: var(--ink) !important; }
.box-libro .libro-azioni { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.art-testo .box-libro a, .art-testo .box-allenati a { text-decoration: none; }
.box-allenati { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 30px 0; padding: 22px 24px; border-radius: 18px; background: var(--ink); color: #fff; }
.box-allenati .etichetta { color: var(--giallo); font-size: 12px; }
.box-allenati-titolo { font-family: var(--t); font-weight: 800; font-size: 22px; color: #fff; margin: 2px 0 4px; }
.box-allenati p { font-size: 16px; line-height: 1.5; color: rgba(255, 255, 255, .85); margin-top: 0 !important; }

.faq { margin: 40px 0 0; }
.faq h2 { font-size: clamp(25px, 3vw, 31px); margin-bottom: 12px; }
.faq details { border-bottom: 1px solid var(--linea); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 17px; color: var(--ink); }
.faq details p { margin-top: 8px; color: var(--ink-2); line-height: 1.6; }

/* card degli articoli */
.sez-testa { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.sez-testa h2 { margin-bottom: 14px; }
.tutti { font-family: var(--t); font-weight: 800; color: var(--blu); }
.art-griglia { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 8px; }
.art-card { display: flex; flex-direction: column; border: 1px solid var(--linea); border-radius: 18px; overflow: hidden; background: #fff; transition: box-shadow .2s, transform .2s; }
.art-card:hover { box-shadow: 0 12px 28px rgba(30, 42, 54, .12); transform: translateY(-2px); }
.art-card-img img { width: 100%; aspect-ratio: 1200 / 630; object-fit: cover; border-bottom: 1px solid var(--linea); }
.art-card-corpo { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px 16px; flex: 1; }
.art-card .etichetta { font-size: 11.5px; color: var(--blu); }
.art-card h2, .art-card h3 { font-size: 20px; line-height: 1.2; }
.art-card-testo { font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.art-card-piede { margin-top: auto; padding-top: 10px; display: flex; align-items: center; justify-content: space-between; gap: 8px; border-top: 1px dashed var(--linea); }
.art-card-min { font-size: 13px; color: var(--mute); white-space: nowrap; }

/* filtri e categorie */
.filtri { display: grid; gap: 10px; margin: 6px 0 4px; padding: 16px 18px; border-radius: 16px; background: var(--fondo); }
.filtri-riga { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filtri-nome { font-family: var(--t); font-weight: 800; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); min-width: 74px; }
.filtri a, .categorie a { padding: 7px 14px; border: 1.5px solid var(--linea); border-radius: 999px; font-weight: 700; font-size: 14.5px; background: #fff; transition: border-color .15s, color .15s; }
.filtri a:hover, .filtri a[aria-current="page"], .categorie a:hover, .categorie a[aria-current="page"] { border-color: var(--blu); color: var(--blu); }
.filtro-presto { padding: 7px 14px; border-radius: 999px; font-size: 14px; color: var(--mute); border: 1.5px dashed var(--linea); }
.categorie { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; }

@media (max-width: 900px) { .art-griglia { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .art-griglia { grid-template-columns: 1fr; }
  .art-testo { font-size: 17px; }
  .sommario { font-size: 17px; }
  .box-libro { grid-template-columns: 86px 1fr; gap: 14px; padding: 16px; }
  .box-libro-img img { width: 86px; }
  .box-libro .btn { flex: 1 1 140px; }
  .box-allenati { flex-direction: column; align-items: flex-start; }
  .categorie, .filtri-riga { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .categorie { margin-inline: -24px; padding: 0 24px 4px; }
  .categorie::-webkit-scrollbar, .filtri-riga::-webkit-scrollbar { display: none; }
  .categorie a, .filtri a, .filtro-presto { white-space: nowrap; }
}

/* banner cookie (Analytics solo dopo il consenso) */
.consenso-cookie { position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 40; width: min(calc(100% - 24px), 560px); background: var(--ink); color: #fff; border: 2px solid var(--giallo); border-radius: 14px; padding: 14px 16px; box-shadow: 0 16px 40px rgba(0, 0, 0, .35); font-size: 14.5px; line-height: 1.4; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.consenso-cookie p { margin: 0; flex: 1 1 260px; }
.consenso-cookie a { color: var(--giallo); text-decoration: underline; }
.consenso-azioni { display: flex; gap: 10px; }
.consenso-cookie .btn { min-height: 44px; padding: 0 18px; }
.consenso-cookie .btn-trasp { background: transparent; color: #fff; box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .5); }