/* main.css — mobile-first, minimale. Consuma i token Alpine Meadow (assets/theme.css).
   Regola: nessun colore di sfondo/testo principale hardcoded, tutto da var(--...).
   Eccezione consentita: i chip di stato semantici (shortlist/valutare/escluso)
   usano colori fissi ma definiscono SIA sfondo SIA testo, quindi restano leggibili
   in chiaro e in scuro senza dipendere dal tema. */

:root {
  --maxw: 1000px;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Scala base del sito: unica sorgente per tutti i rem (titoli inclusi),
     cosi riducendo qui la gerarchia resta proporzionata. Prima 16px (default). */
  font-size: 15px;
}

body {
  margin: 0;
  /* Atkinson Hyperlegible self-hostato (assets/fonts.css) come primario,
     poi fallback system-font se il webfont non e ancora caricato. */
  font-family: "Atkinson Hyperlegible", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;             /* = 15px. Nessun input di testo nel sito: sotto i 16px non scatta lo zoom iOS */
  line-height: 1.6;
  color: var(--foreground);
  background: var(--background);
}

/* Media e blocchi larghi non devono mai forzare la larghezza del body */
img, svg, video { max-width: 100%; height: auto; }

/* --- Header / nav (mobile-first, sticky, 2 righe su mobile) --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 0.5rem;
  padding: 0.55rem 1rem;
  /* translucido ma theme-aware (niente bianco hardcoded) */
  background: color-mix(in oklab, var(--background) 86%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 700;
  color: var(--foreground);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;             /* area tocco */
  padding-right: 0.25rem;
}
/* Nav come striscia scorrevole orizzontale: resta compatta, niente testo tagliato */
.nav {
  order: 3;
  flex: 1 1 100%;
  display: flex;
  align-items: center;
  gap: 0.15rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;        /* Firefox: nasconde la barra, resta scrollabile */
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.95rem;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  min-height: 44px;             /* area tocco >= 44px */
  padding: 0 0.6rem;
  border-radius: var(--radius);
}
.nav a:hover { text-decoration: underline; }
.nav a:active { background: var(--card); }

/* --- Toggle tema --- */
.theme-toggle {
  flex: 0 0 auto;
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--foreground);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.theme-toggle:hover { background: var(--card); }
.theme-toggle:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
/* mostra il glifo corretto in base al tema attivo */
.theme-toggle .icon-dark { display: none; }
.theme-toggle .icon-light { display: inline; }
:root.dark .theme-toggle .icon-dark,
.theme-toggle[aria-pressed="true"] .icon-dark { display: inline; }
:root.dark .theme-toggle .icon-light,
.theme-toggle[aria-pressed="true"] .icon-light { display: none; }

/* --- Layout sezioni --- */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 1rem; }
.section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 6rem;      /* compensa header sticky (2 righe su mobile) */
}
.section:last-child { border-bottom: none; }

h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 0.6rem; }
h2 { font-size: 1.35rem; margin: 0 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 0 0 0.4rem; }
p { margin: 0 0 0.8rem; }
.lead { font-size: 1.05rem; }
.muted { color: var(--muted-foreground); font-size: 0.9rem; }
a { color: var(--primary); }
code {
  background: var(--card);
  padding: 0.1em 0.35em;
  border-radius: calc(var(--radius) - 3px);
  font-size: 0.88em;
  overflow-wrap: anywhere;      /* evita che uno slug lungo sfondi la riga */
}

/* --- Callout --- */
.callout {
  background: color-mix(in oklab, var(--accent) 22%, var(--card));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  margin: 1rem 0 0;
}
.callout.placeholder {
  background: color-mix(in oklab, var(--ring) 16%, var(--card));
}
.callout p:last-child, .callout ol:last-child { margin-bottom: 0; }
/* Avviso dentro un callout (es. caveat bollo su usato) */
.callout-warn {
  background: #fff5da;
  border: 1px solid #efe0a8;
  color: #713f12;
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
  margin-top: 0.6rem;
}

/* --- Card --- */
.cards { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.card ul { margin: 0.3rem 0 0.6rem; padding-left: 1.1rem; }
.card li { margin-bottom: 0.25rem; }
/* link concessionari: area tocco comoda */
.card a {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
}

/* --- Tabelle ---
   Scelta mobile: mantengo la tabella con scroll orizzontale dentro .table-wrap
   (NON conversione in card) per non perdere l'ordinamento per colonna e restare
   manutenibile. Indicatore visivo di scorrimento via ombre CSS-only (background
   local/scroll: le ombre laterali spariscono quando si è a inizio/fine scroll). */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0.6rem 0;
  border-radius: var(--radius);
  background:
    linear-gradient(to right, var(--background) 30%, transparent) left center / 44px 100% no-repeat,
    linear-gradient(to left,  var(--background) 30%, transparent) right center / 44px 100% no-repeat,
    radial-gradient(farthest-side at 0 50%, color-mix(in oklab, var(--foreground) 22%, transparent), transparent) left center / 16px 100% no-repeat,
    radial-gradient(farthest-side at 100% 50%, color-mix(in oklab, var(--foreground) 22%, transparent), transparent) right center / 16px 100% no-repeat;
  background-attachment: local, local, scroll, scroll;
}
.data-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 640px;             /* resta dentro .table-wrap scrollabile, non allarga il body */
  font-size: 0.92rem;
  background: transparent;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table thead th {
  background: var(--card);
  color: var(--card-foreground);
  cursor: pointer;
  user-select: none;
  position: sticky;
  top: 0;
}
.data-table thead th.num, .data-table td.num { text-align: right; }
.data-table tbody tr:hover {
  background: color-mix(in oklab, var(--accent) 18%, var(--card));
}

/* --- Badge di stato (chip a colore fisso, leggibili in chiaro e in scuro) --- */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--card-foreground);
  white-space: nowrap;
}
.badge.shortlist { background: #e7f4ea; border-color: #bfe2c8; color: #14532d; }
.badge.valutare, .badge.proposto { background: #fff5da; border-color: #efe0a8; color: #713f12; }
.badge.escluso-requisito { background: #fdeaea; border-color: #f0bcbc; color: #a12a2a; }

/* --- Mini-badge alimentazione e ACC (tabella modelli) --- */
.fuel, .acc {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.fuel-mild-hybrid { background: #e7f4ea; border-color: #bfe2c8; color: #14532d; }
.fuel-full-hybrid { background: #e6f0fb; border-color: #b9d3f0; color: #1e3a5f; }
.fuel-benzina { background: #fdeaea; border-color: #f0bcbc; color: #a12a2a; }
.acc-serie { background: #e7f4ea; border-color: #bfe2c8; color: #14532d; }
.acc-optional { background: #fff5da; border-color: #efe0a8; color: #713f12; }
.acc-no { background: #fdeaea; border-color: #f0bcbc; color: #a12a2a; }

/* --- Contatti concessionari (link a piena area tocco, per la campagna preventivi) --- */
.dealer-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin: 0.2rem 0 0.4rem;
  font-size: 0.9rem;
}
.dealer-contacts a { min-height: 44px; line-height: 44px; word-break: break-all; }

/* --- Card raccomandazione --- */
.card.reco { border-left: 4px solid var(--primary); }
.reco-tag {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--primary);
  margin: 0 0 0.3rem;
}

/* --- Blocco ipotesi (details) --- */
.assumptions {
  margin: 0.8rem 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem 0.9rem;
  background: var(--card);
}
.assumptions summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.4rem 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.assumptions ul { margin: 0.2rem 0 0.6rem; padding-left: 1.1rem; }
.assumptions li { margin-bottom: 0.35rem; font-size: 0.9rem; color: var(--muted-foreground); }

/* --- Footer --- */
.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1rem 2.5rem;
  color: var(--muted-foreground);
  font-size: 0.85rem;
}

/* --- Desktop --- */
@media (min-width: 720px) {
  h1 { font-size: 2.1rem; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .cards.two { grid-template-columns: repeat(2, 1fr); }
  /* header su una riga: nav torna in linea, non più full-width */
  .nav { order: 0; flex: 1 1 auto; justify-content: flex-end; margin: 0 0.5rem; }
  .site-header { flex-wrap: nowrap; }
  .section { scroll-margin-top: 4.5rem; }
}
@media (min-width: 960px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .cards.two { grid-template-columns: repeat(2, 1fr); }
}

/* --- Accessibilità: rispetta chi preferisce meno animazioni --- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}