:root {
  --rosso: #d52b28;
  --rosso-scuro: #b3201e;
  --testo: #1f2328;
  --grigio: #6b7280;
  --linea: #e5e7eb;
  --sfondo: #f5f6f8;
  --bianco: #fff;
  --verde: #1a7f4b;
  --raggio: 14px;
  --nav: 62px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; }
body { font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--testo); background: var(--sfondo); overscroll-behavior-y: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
.app { min-height: 100%; display: flex; flex-direction: column; max-width: 720px; margin: 0 auto; background: var(--sfondo); }
.splash { flex: 1; display: grid; place-items: center; min-height: 60vh; }
.spinner { width: 34px; height: 34px; border: 3px solid var(--linea); border-top-color: var(--rosso); border-radius: 50%; animation: gira .8s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }
.noscript { padding: 20px; text-align: center; }

/* struttura */
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 10px; padding: calc(10px + env(safe-area-inset-top)) 14px 10px; background: var(--bianco); border-bottom: 1px solid var(--linea); min-height: 56px; }
.top h1 { font-size: 18px; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top .logo { height: 30px; width: auto; }
.indietro { width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--sfondo); font-size: 20px; line-height: 1; cursor: pointer; }
main { flex: 1; padding: 14px 14px calc(var(--nav) + 24px + env(safe-area-inset-bottom)); }
main.senza-nav { padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
.nav { position: fixed; left: 50%; transform: translateX(-50%); bottom: 0; width: 100%; max-width: 720px; z-index: 30; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--bianco); border-top: 1px solid var(--linea); padding-bottom: env(safe-area-inset-bottom); }
.nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; height: var(--nav); font-size: 12px; color: var(--grigio); }
.nav a svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nav a.on { color: var(--rosso); font-weight: 600; }

/* testi e blocchi */
.titolo-sez { font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--grigio); margin: 22px 2px 10px; }
.titolo-sez:first-child { margin-top: 4px; }
.muted { color: var(--grigio); }
.piccolo { font-size: 13px; }
.box { background: var(--bianco); border-radius: var(--raggio); padding: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.05); }
.vuoto { text-align: center; padding: 34px 18px; color: var(--grigio); }
.vuoto h2 { color: var(--testo); font-size: 18px; margin-bottom: 6px; }
.errore { background: #fdecec; color: #8a1c1a; border-radius: 10px; padding: 10px 12px; margin: 10px 0; font-size: 14px; }
.info { background: #eef6ff; color: #1d4f91; border-radius: 10px; padding: 10px 12px; margin: 10px 0; font-size: 14px; }

/* bottoni e moduli */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border: 0; border-radius: 12px; background: var(--rosso); color: #fff; font-weight: 600; cursor: pointer; width: 100%; }
.btn:active { background: var(--rosso-scuro); }
.btn[disabled] { opacity: .55; cursor: default; }
.btn.sec { background: var(--bianco); color: var(--testo); border: 1px solid var(--linea); }
.btn.link { background: none; color: var(--rosso); min-height: 36px; width: auto; padding: 0 6px; }
.btn.picc { min-height: 38px; width: auto; padding: 0 14px; font-size: 14px; }
.btn.peric { color: #b3201e; }
.riga { display: flex; gap: 10px; }
.riga > * { flex: 1; }
label.campo { display: block; margin: 14px 0 0; }
label.campo > span, .etichetta { display: block; font-size: 13px; font-weight: 600; color: var(--grigio); margin-bottom: 6px; }
input[type=text], input[type=email], input[type=tel], input[type=number], input[type=search], select, textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--linea); border-radius: 12px; background: var(--bianco); }
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(213,43,40,.35); border-color: var(--rosso); }
.codice { text-align: center; font-size: 28px; letter-spacing: .4em; font-variant-numeric: tabular-nums; }
.spunta { display: flex; align-items: flex-start; gap: 10px; margin: 14px 0 0; font-size: 14px; }
.spunta input { width: 22px; height: 22px; margin-top: 1px; flex: none; accent-color: var(--rosso); }
.seg { display: flex; background: var(--sfondo); border-radius: 12px; padding: 3px; gap: 3px; }
.seg button { flex: 1; min-height: 40px; border: 0; border-radius: 10px; background: transparent; font-weight: 600; color: var(--grigio); cursor: pointer; }
.seg button.on { background: var(--bianco); color: var(--testo); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { min-height: 38px; padding: 0 14px; border: 1px solid var(--linea); background: var(--bianco); border-radius: 999px; cursor: pointer; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.chip.on { background: var(--rosso); border-color: var(--rosso); color: #fff; }
.chip small { opacity: .75; }
.suggerimenti { background: var(--bianco); border: 1px solid var(--linea); border-radius: 12px; margin-top: 6px; overflow: hidden; }
.suggerimenti button { display: block; width: 100%; text-align: left; padding: 12px; border: 0; border-bottom: 1px solid var(--linea); background: none; cursor: pointer; }
.suggerimenti button:last-child { border-bottom: 0; }

/* card immobile */
.lista { display: grid; gap: 14px; }
.card { position: relative; display: block; background: var(--bianco); border-radius: var(--raggio); overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.card .foto { aspect-ratio: 16 / 10; background: #dfe3e8; position: relative; }
.card .foto img { width: 100%; height: 100%; object-fit: cover; }
.card .corpo { padding: 12px 14px 14px; }
.card .prezzo { font-size: 19px; font-weight: 700; }
.card .titolo { font-size: 15px; margin-top: 2px; }
.card .dove { font-size: 13px; color: var(--grigio); margin-top: 2px; }
.card .dati { font-size: 13px; color: var(--grigio); margin-top: 8px; display: flex; gap: 12px; flex-wrap: wrap; }
.cuore { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(255,255,255,.92); display: grid; place-items: center; cursor: pointer; box-shadow: 0 1px 4px rgba(0,0,0,.25); }
.cuore svg { width: 22px; height: 22px; fill: none; stroke: #444; stroke-width: 2; }
.cuore.on svg { fill: var(--rosso); stroke: var(--rosso); }
.badge { position: absolute; top: 10px; left: 10px; background: var(--rosso); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.badge.grigio { background: #4b5563; }
.card.spenta { opacity: .6; }

/* card ricerca */
.ric { display: block; background: var(--bianco); border-radius: var(--raggio); padding: 14px; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.ric h3 { font-size: 17px; }
.ric .riassunto { font-size: 13px; color: var(--grigio); margin-top: 4px; }
.ric .conta { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 14px; flex-wrap: wrap; }
.ric .nuovi { background: var(--rosso); color: #fff; font-weight: 700; font-size: 12px; padding: 3px 10px; border-radius: 999px; }
.ric .miniature { display: flex; gap: 6px; margin-top: 10px; }
.ric .miniature img { width: 64px; height: 48px; object-fit: cover; border-radius: 8px; background: #dfe3e8; }
.ric .azioni { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; border-top: 1px solid var(--linea); padding-top: 8px; }
.ric.spenta { opacity: .65; }
.ric .dx { display: inline-flex; align-items: center; gap: 2px; }
.interr { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.interr input { width: 20px; height: 20px; accent-color: var(--rosso); }

/* dettaglio */
.galleria { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 6px; margin: -14px -14px 0; background: #111; }
.galleria img { flex: 0 0 100%; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; scroll-snap-align: center; }
.conta-foto { text-align: right; font-size: 12px; color: var(--grigio); margin: 6px 2px 0; }
.det h1 { font-size: 22px; margin-top: 12px; }
.det .prezzo { font-size: 26px; font-weight: 800; margin-top: 6px; color: var(--rosso); }
.fatti { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 8px; margin-top: 14px; }
.fatto { background: var(--bianco); border-radius: 12px; padding: 10px; text-align: center; }
.fatto b { display: block; font-size: 18px; }
.fatto span { font-size: 12px; color: var(--grigio); }
.descr { white-space: pre-line; }
.caratt { margin-top: 10px; }
.caratt h3 { font-size: 14px; margin: 14px 0 6px; }
.caratt dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; font-size: 14px; }
.caratt dt { color: var(--grigio); }
.caratt dd { margin: 0; }
.barra-az { position: fixed; left: 50%; transform: translateX(-50%); bottom: 0; width: 100%; max-width: 720px; z-index: 30; display: flex; gap: 10px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: var(--bianco); border-top: 1px solid var(--linea); }
.barra-az .btn { flex: 1; }
.barra-az .cuore { position: static; flex: none; width: 48px; height: 48px; border: 1px solid var(--linea); background: var(--bianco); box-shadow: none; border-radius: 12px; }

/* finestre */
.velo { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.45); display: flex; align-items: flex-end; justify-content: center; }
.foglio { width: 100%; max-width: 720px; max-height: 92vh; overflow: auto; background: var(--bianco); border-radius: 20px 20px 0 0; padding: 18px 16px calc(18px + env(safe-area-inset-bottom)); }
.foglio h2 { font-size: 20px; margin-bottom: 4px; }
.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--nav) + 20px + env(safe-area-inset-bottom)); z-index: 80; background: #111; color: #fff; padding: 10px 16px; border-radius: 999px; font-size: 14px; max-width: 90%; text-align: center; }

/* installazione */
.passi { margin: 6px 0 4px; padding: 0 0 0 22px; font-size: 15px; line-height: 1.55; }
.passi li { margin: 8px 0; }

/* accesso */
.accesso { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 24px 20px; min-height: 100vh; }
.accesso .logo { height: 54px; width: auto; margin: 0 auto 22px; }
.accesso h1 { font-size: 24px; text-align: center; }
.accesso p.sotto { text-align: center; color: var(--grigio); margin: 8px 0 22px; }