/* ============================================================
   Catalogo RT dinamico + Configuratore di postazione — stili
   Condiviso da rt-touch.html (catalogo + filtri) e da
   configuratore.html (configuratore). Richiede le variabili
   :root (--teal, --grad, --line, ...) definite nelle pagine.
   ============================================================ */
/* Catalogo RT dinamico (prodotti da op:catalogo) */
a.card.prod{text-decoration:none;color:inherit}
/* auto-FILL (non auto-fit): con un solo prodotto nella categoria la card resta della sua
   larghezza invece di allargarsi a tutta la riga (e l'immagine 4:3 diventerebbe enorme) */
.rtc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.6rem;margin-bottom:2.4rem}
@media (max-width:560px){.rtc-grid{grid-template-columns:1fr;gap:1.1rem}}
.rtc-title{font-size:1.35rem;font-weight:800;letter-spacing:-.01em;margin:0 0 1.1rem;display:flex;align-items:center;gap:.6rem}
.rtc-title::after{content:"";flex:1;height:1px;background:var(--line)}
.rtc-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0e7490,#06b6d4 60%,#6366f1);color:rgba(255,255,255,.92);font-weight:800;font-size:2.4rem;letter-spacing:-1px}
.rtc-more{margin-top:auto;padding-top:.7rem;font-size:.85rem;font-weight:700;color:var(--teal)}
.rtc-note{display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,#ecfeff,#eef2ff);max-width:520px}
/* ============================================================
   CONFIGURATORE DI POSTAZIONE
   ============================================================ */
/* intestazioni dei passi */
.cfg-step-head{display:flex;align-items:flex-start;gap:.9rem;margin:2.6rem 0 1.1rem}
.cfg-step-head:first-child{margin-top:0}
.cfg-step-n{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:1.05rem;box-shadow:0 8px 20px rgba(var(--fx-accent-rgb,6,182,212),.32)}
.cfg-step-head h2{font-size:clamp(1.25rem,2.4vw,1.6rem);margin:0 0 .12rem;letter-spacing:-.01em}
.cfg-step-head p{margin:0;color:var(--soft);font-size:.95rem}

/* passo 1 — due tasti affiancati e compatti */
.cfg-packs{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-bottom:.4rem}
.cfg-pack{position:relative;display:flex;align-items:center;gap:.8rem;text-align:left;padding:.95rem 1.1rem;border-radius:var(--r-md);border:2px solid var(--line);background:#fff;cursor:pointer;font-family:inherit;transition:border-color .22s,box-shadow .22s,background .22s}
.cfg-pack .ic{font-size:1.5rem;line-height:1;flex-shrink:0}
.cfg-pack .tx{display:flex;flex-direction:column;min-width:0}
.cfg-pack b{font-size:1.02rem;line-height:1.25}
.cfg-pack small{color:var(--soft);font-size:.85rem;line-height:1.3}
.cfg-pack .tick{position:absolute;top:.55rem;right:.7rem;width:20px;height:20px;border-radius:50%;background:var(--grad);color:#fff;font-size:.7rem;font-weight:800;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.6);transition:opacity .2s,transform .2s}
.cfg-pack[aria-selected="true"]{border-color:var(--cyan);background:linear-gradient(135deg,#f0fdff,#fff);box-shadow:0 8px 22px rgba(var(--fx-accent-rgb,6,182,212),.16)}
.cfg-pack[aria-selected="true"] .tick{opacity:1;transform:none}

/* passo 2 — scelte a sinistra, vetrina fissa a destra */
.cfg-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:1.6rem;align-items:start}
.cfg-slots{display:flex;flex-direction:column;gap:.9rem}
.cfg-slot{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding:1.05rem 1.2rem;box-shadow:var(--shadow)}
.cfg-slot h4{margin:0 0 .1rem;font-size:1rem;font-weight:800}
.cfg-slot .hint{color:var(--soft);font-size:.85rem;margin:0 0 .75rem}
.cfg-opts{display:flex;flex-wrap:wrap;gap:.5rem}
.cfg-opt{display:inline-flex;align-items:center;gap:.45rem;padding:.5rem .95rem;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-family:inherit;font-size:.92rem;font-weight:600;color:var(--muted);cursor:pointer;transition:border-color .2s,color .2s,background .2s,box-shadow .2s}
.cfg-opt:hover{border-color:var(--cyan);color:var(--teal)}
.cfg-opt[aria-pressed="true"]{border-color:transparent;background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(var(--fx-accent-rgb,6,182,212),.28)}

/* VETRINA: unico punto con le foto dei prodotti scelti (niente miniature sparse) */
.cfg-side{position:sticky;top:88px}
.cfg-stage{border:1px solid #bae6fd;border-radius:var(--r-lg);background:linear-gradient(160deg,#f8fdff,#eef6ff);box-shadow:var(--shadow-lift);overflow:hidden}
.cfg-stage-head{display:flex;align-items:baseline;justify-content:space-between;gap:.6rem;padding:.9rem 1.1rem;border-bottom:1px solid rgba(14,116,144,.10)}
.cfg-stage-head .lbl{font-weight:800;font-size:.95rem}
.cfg-stage-head .cnt{font-size:.78rem;font-weight:700;color:var(--teal);background:rgba(var(--fx-accent-rgb,6,182,212),.12);padding:.16rem .55rem;border-radius:999px;white-space:nowrap}
.cfg-photos{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;padding:.9rem 1.1rem;min-height:170px;align-content:start;background:
  radial-gradient(420px circle at 50% 0%,rgba(var(--fx-accent-rgb,6,182,212),.10),transparent 65%)}
.cfg-photos.one{grid-template-columns:1fr}
.cfg-ph{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 3px 10px rgba(15,23,42,.06);animation:cfgPop .32s cubic-bezier(.34,1.56,.64,1)}
.cfg-ph img{width:100%;height:100%;object-fit:contain;background:#fff}
.cfg-ph .ini{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.15rem;color:#fff;background:linear-gradient(135deg,var(--teal),var(--indigo))}
.cfg-ph .tag{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(15,23,42,.72));color:#fff;font-size:.66rem;font-weight:700;padding:.5rem .4rem .25rem;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@keyframes cfgPop{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}
.cfg-empty-stage{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--soft);font-size:.88rem;padding:1.6rem .8rem;line-height:1.5}
.cfg-empty-stage .big{font-size:2rem;margin-bottom:.4rem;opacity:.5}
.cfg-picked{list-style:none;margin:0;padding:.2rem 1.1rem 1rem;display:flex;flex-direction:column;gap:.4rem}
.cfg-picked li{display:flex;gap:.6rem;font-size:.9rem;padding-bottom:.4rem;border-bottom:1px dashed rgba(14,116,144,.18)}
.cfg-picked li:last-child{border-bottom:0;padding-bottom:0}
.cfg-picked li .r{color:var(--soft);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;min-width:96px;flex-shrink:0;padding-top:.2em}
.cfg-picked li .v{font-weight:700}
.cfg-picked li.none{color:var(--soft);font-weight:600;border:0}

/* passo 3 — invio */
.cfg-summary{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow);padding:1.5rem 1.6rem}
.cfg-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.9rem}
.cfg-fields label{display:flex;flex-direction:column;gap:.28rem;font-size:.85rem;font-weight:700;color:var(--muted)}
.cfg-fields .opt{font-weight:500;color:var(--soft)}
.cfg-fields input,.cfg-fields textarea{font-family:inherit;font-size:1rem;padding:.7rem .85rem;border:1.5px solid var(--line);border-radius:12px;background:#fff;outline:none;transition:border-color .2s,box-shadow .2s;width:100%}
.cfg-fields input:focus,.cfg-fields textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(var(--fx-accent-rgb,6,182,212),.12)}
.cfg-privacy{font-size:.82rem;color:var(--soft);margin:1rem 0 0}
.cfg-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1rem}
.cfg-msg{margin:.8rem 0 0;font-size:.95rem;font-weight:700;min-height:1.2em}
.cfg-msg.ok{color:#16a34a}
.cfg-msg.err{color:#dc2626}

@media (max-width:900px){
  .cfg-layout{grid-template-columns:1fr}
  .cfg-side{position:static;order:-1}          /* su mobile la vetrina sta sopra le scelte */
  .cfg-photos{min-height:0}
}
@media (max-width:560px){
  .cfg-packs{grid-template-columns:1fr}
  .cfg-summary{padding:1.2rem 1.1rem}
  .cfg-picked li{flex-direction:column;gap:.05rem}
  .cfg-picked li .r{min-width:0}
  .cfg-actions .btn{width:100%;justify-content:center}
  .cfg-step-head{gap:.7rem;margin:2rem 0 .9rem}
}

/* ---------- Filtri per categoria (pagina Registratori) ---------- */
/* ---------- Mini sezioni esplicative (touch / meccaniche / catalogo) ---------- */
.ex-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.3rem;margin:2.6rem 0 2.8rem}
.ex-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:1.7rem 1.6rem 1.5rem;box-shadow:var(--shadow);overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s}
.ex-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.ex-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lift);border-color:#bae6fd}
.ex-ic{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:15px;font-size:1.6rem;line-height:1;margin-bottom:1rem;background:linear-gradient(135deg,#ecfeff,#eef2ff);border:1px solid #cffafe}
.ex-card h3{font-size:1.18rem;font-weight:800;letter-spacing:-.01em;margin:0 0 .45rem}
.ex-card>p{color:var(--muted);font-size:.96rem;line-height:1.6;margin:0 0 1rem}
.ex-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.45rem}
.ex-list li{position:relative;padding-left:1.5rem;font-size:.9rem;color:var(--muted);line-height:1.45}
.ex-list li::before{content:"";position:absolute;left:0;top:.42em;width:9px;height:9px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 3px rgba(var(--fx-accent-rgb,6,182,212),.14)}
.ex-touch::before{background:linear-gradient(90deg,#0e7490,#06b6d4)}
.ex-mec::before{background:linear-gradient(90deg,#15803d,#4ade80)}
.ex-mec .ex-ic{background:linear-gradient(135deg,#f0fdf4,#ecfeff);border-color:#bbf7d0}
.ex-mec .ex-list li::before{background:linear-gradient(135deg,#15803d,#4ade80);box-shadow:0 0 0 3px rgba(34,197,94,.14)}
.ex-cat::before{background:linear-gradient(90deg,#4f46e5,#818cf8)}
.ex-cat .ex-ic{background:linear-gradient(135deg,#eef2ff,#f5f3ff);border-color:#c7d2fe}
.ex-cat .ex-list li::before{background:linear-gradient(135deg,#4f46e5,#818cf8);box-shadow:0 0 0 3px rgba(99,102,241,.14)}
.rtc-filters{display:flex;gap:.5rem;flex-wrap:wrap;margin:0 0 1.8rem}
.rtc-chip{padding:.5rem 1rem;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--muted);font-weight:600;font-size:.9rem;cursor:pointer;transition:border-color .2s,color .2s,background .2s;font-family:inherit;white-space:nowrap}
.rtc-chip:hover{border-color:var(--cyan);color:var(--teal)}
.rtc-chip[aria-pressed="true"]{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(6,182,212,.3)}

/* ---------- Sezione "Componi la tua postazione" (pagina Registratori) ---------- */
.cfg-section{position:relative;overflow:hidden;background:linear-gradient(135deg,#0b4f60,#0e7490 45%,#3730a3);color:#fff}
.cfg-section-bg{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px circle at 12% 18%,rgba(103,232,249,.28),transparent 60%),
             radial-gradient(560px circle at 88% 82%,rgba(129,140,248,.30),transparent 62%)}
.cfg-section>.container{position:relative;z-index:1}
.cfg-head{max-width:62ch;margin:0 auto 2.6rem;text-align:center}
.cfg-head h2{color:#fff;margin-bottom:.5rem}
.cfg-head .lead{color:rgba(255,255,255,.86);margin-inline:auto}
.kicker-light{color:#a5f3fc;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.24)}
.cfg-steps{list-style:none;margin:0 0 2.4rem;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.2rem;counter-reset:s}
.cfg-steps li{position:relative;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);padding:1.5rem 1.4rem 1.4rem;backdrop-filter:blur(6px);transition:transform .3s,background .3s}
.cfg-steps li:hover{transform:translateY(-4px);background:rgba(255,255,255,.14)}
.cfg-steps .n{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:#fff;color:#0e7490;font-weight:800;font-size:1rem;margin-bottom:.85rem}
.cfg-steps h3{color:#fff;font-size:1.08rem;margin:0 0 .35rem}
.cfg-steps p{color:rgba(255,255,255,.82);font-size:.94rem;margin:0;line-height:1.55}
.cfg-section-cta{display:flex;align-items:center;justify-content:center;gap:1.1rem;flex-wrap:wrap;text-align:center}
.btn-light{background:#fff;color:#0e7490;box-shadow:0 12px 30px rgba(0,0,0,.22);font-size:1.05rem;padding:1rem 2rem}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(0,0,0,.28)}
.cfg-note-inline{color:rgba(255,255,255,.75);font-size:.9rem;font-weight:600}
@media (max-width:640px){
  .cfg-section-cta{flex-direction:column;gap:.8rem}
  .btn-light{width:100%;justify-content:center}
}
.cfg-back{display:inline-flex;align-items:center;gap:.35rem;font-weight:700;color:var(--teal);text-decoration:none;font-size:.95rem;margin-bottom:1.1rem;transition:gap .2s,color .2s}
.cfg-back:hover{color:var(--cyan);gap:.6rem}