/* =========================================================
   Quick view — Anteprima prodotto (popup)

   Markup: vedi inc/quick-view.php → manzo_quick_view_render_shell()
   Logic:   assets/js/quick-view.js

   Layout: overlay full-viewport, pannello centrato (max 520px),
   contenuto verticale: SKU → media (1:1) → titolo → chip → prezzo
   → nota B2B (opzionale) → CTA full-width.
   ========================================================= */

/* ---------- Scroll lock ---------- */
html.mz-qv-locked,
html.mz-qv-locked body {
  overflow: hidden;
}

/* ---------- Root + backdrop ---------- */
.mz-qv {
  position: fixed; inset: 0;
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: var(--s-4);
}
.mz-qv[hidden] { display: none; }

.mz-qv__backdrop {
  position: absolute; inset: 0;
  background: rgba(30, 30, 30, 0.42);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 220ms cubic-bezier(0.22, 1, 0.36, 1);
}
.mz-qv.is-open .mz-qv__backdrop { opacity: 1; }

/* ---------- Panel ---------- */
.mz-qv__panel {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: calc(100vh - 2 * var(--s-4));
  overflow-y: auto;
  background: var(--paper);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-pop);
  padding: var(--s-6) var(--s-6) var(--s-5);
  opacity: 0;
  transform: translateY(8px) scale(0.985);
  transition:
    opacity 220ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
  outline: none;
}
.mz-qv.is-open .mz-qv__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.mz-qv__panel:focus-visible {
  box-shadow: var(--shadow-pop), 0 0 0 2px var(--border-focus);
}

/* Scrollbar discreta */
.mz-qv__panel::-webkit-scrollbar { width: 8px; }
.mz-qv__panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ---------- Close ---------- */
.mz-qv__close {
  position: absolute;
  top: var(--s-3); right: var(--s-3);
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-2);
  color: var(--ink-2);
  cursor: pointer;
  transition: background var(--d-1) var(--ease), color var(--d-1) var(--ease), border-color var(--d-1) var(--ease);
}
.mz-qv__close svg {
  width: 26px; height: 26px;
}
.mz-qv__close:hover {
  background: var(--paper-2);
  color: var(--ink-1);
  border-color: var(--border);
}

/* ---------- Head: SKU + stock ---------- */
.mz-qv__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
  padding-right: 52px; /* lascia spazio al close */
}
.mz-qv__sku,
.mz-qv__stock {
  font: 600 var(--t-sm)/1 var(--ff-mono);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--ink-1);
  padding: 7px 10px;
  background: var(--paper-3);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
}
.mz-qv__stock {
  font-family: var(--ff-ui);
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--ink-2);
}
.mz-qv__stock strong {
  font-weight: 700;
  color: var(--ink-1);
  margin-right: 2px;
}
.mz-qv__stock.mz-part__stock--available { color: var(--success); border-color: color-mix(in oklch, var(--success) 30%, var(--border)); }
.mz-qv__stock.mz-part__stock--low       { color: var(--accent);  border-color: color-mix(in oklch, var(--accent)  30%, var(--border)); }
.mz-qv__stock.mz-part__stock--out       { color: var(--ink-3); }

/* ---------- Media ---------- */
.mz-qv__media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--media-frame);
  border: 1px solid var(--media-frame-border);
  border-radius: var(--r-2);
  margin-bottom: var(--s-5);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.mz-qv__media img {
  max-width: 88%;
  max-height: 88%;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.mz-qv__media .mz-part__placeholder {
  width: 60%; height: auto;
  color: var(--ink-4);
}

.mz-qv__badge {
  position: absolute;
  top: var(--s-3); left: var(--s-3);
  font: 700 var(--t-xs)/1 var(--ff-ui);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  padding: 5px 8px;
  border-radius: var(--r-1);
  z-index: 1;
}
.mz-qv__badge--novita  { background: var(--brand); color: #fff; }
.mz-qv__badge--offerta { background: var(--accent); color: #fff; top: var(--s-3); left: auto; right: var(--s-3); }

/* ---------- Title + chips ---------- */
.mz-qv__title {
  margin: 0 0 var(--s-3);
  font: 700 var(--t-lg)/1.25 var(--ff-ui);
  letter-spacing: var(--tr-tight);
  color: var(--ink-1);
}
.mz-qv__chips {
  display: flex; flex-wrap: wrap; gap: var(--s-2);
  margin-bottom: var(--s-4);
}

/* ---------- Price row ---------- */
.mz-qv__price-row {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-4) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.mz-qv__price {
  font: 700 var(--t-xl)/1 var(--ff-ui);
  letter-spacing: var(--tr-tight);
  color: var(--ink-1);
  display: inline-flex; align-items: baseline; gap: var(--s-2);
  flex-wrap: wrap;
}
.mz-qv__price .mz-b2b-retail,
.mz-qv__price .mz-b2b-price__retail {
  font: inherit;
  color: var(--brand);
}
.mz-qv__permalink {
  display: inline-flex; align-items: center; gap: 4px;
  font: 500 var(--t-xs)/1 var(--ff-ui);
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--d-1) var(--ease), border-color var(--d-1) var(--ease);
  white-space: nowrap;
}
.mz-qv__permalink:hover {
  color: var(--brand);
  border-bottom-color: var(--brand);
}
.mz-qv__permalink svg { width: 12px; height: 12px; }

/* ---------- Nota privata B2B ---------- */
.mz-qv__note {
  margin-top: var(--s-4);
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  background: var(--paper-2);
  overflow: hidden;
}
.mz-qv__note-summary {
  display: flex; align-items: center; gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  font: 500 var(--t-sm)/1 var(--ff-ui);
  color: var(--ink-2);
  cursor: pointer;
  list-style: none;
}
.mz-qv__note-summary::-webkit-details-marker { display: none; }
.mz-qv__note-summary:hover { color: var(--ink-1); }
.mz-qv__note-summary svg { color: var(--ink-3); flex: 0 0 auto; }
.mz-qv__note-summary > span:nth-of-type(1) { flex: 1; }
.mz-qv__note-chev {
  font-size: 14px;
  color: var(--ink-3);
  transition: transform var(--d-2) var(--ease);
}
.mz-qv__note[open] .mz-qv__note-chev { transform: rotate(180deg); }

.mz-qv__note-body {
  padding: 0 var(--s-4) var(--s-3);
  border-top: 1px solid var(--border);
}
.mz-qv__note-textarea {
  width: 100%;
  margin-top: var(--s-3);
  padding: var(--s-3);
  background: var(--ctl-bg);
  border: 1px solid var(--ctl-border);
  border-radius: var(--r-2);
  font: 400 var(--t-sm)/1.5 var(--ff-ui);
  color: var(--ink-1);
  resize: vertical;
  min-height: 64px;
  transition: border-color var(--d-1) var(--ease), box-shadow var(--d-1) var(--ease);
}
.mz-qv__note-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px oklch(80% 0.15 60 / 0.25);
}
.mz-qv__note-meta {
  display: flex; justify-content: flex-end;
  margin-top: var(--s-2);
}
.mz-qv__note-counter {
  font: 500 var(--t-xs)/1 var(--ff-mono);
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

/* ---------- Foot / CTA ---------- */
.mz-qv__foot {
  margin-top: var(--s-5);
  display: flex; flex-direction: column; gap: var(--s-3);
}
.mz-qv__buy-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-3);
  align-items: stretch;
}
.mz-qv__cta { width: 100%; height: 48px; font-size: var(--t-md); }
.mz-qv__cta.is-loading { opacity: 0.7; cursor: progress; }
.mz-qv__cta.is-in-cart { background: var(--success); color: #fff; }
.mz-qv__cta.is-in-cart .mz-btn__icon--plus { display: none; }
.mz-qv__cta.is-in-cart .mz-btn__icon--check { display: inline-block; }
.mz-qv__cta .mz-btn__icon--check { display: none; }

/* ---------- Qty stepper ---------- */
.mz-qv__qty {
  display: inline-grid;
  grid-template-columns: 40px auto 40px;
  align-items: stretch;
  height: 48px;
  border: 1px solid var(--ctl-border);
  border-radius: var(--r-2);
  background: var(--ctl-bg);
  transition: border-color var(--d-1) var(--ease);
}
.mz-qv__qty:focus-within { border-color: var(--ctl-border-h); }
.mz-qv__qty-label {
  position: absolute;
  clip: rect(0 0 0 0);
  width: 1px; height: 1px;
  overflow: hidden;
}
.mz-qv__qty-btn {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  margin: 0;
  padding: 0;
  font: inherit;
  color: var(--ink-1);
  display: grid; place-items: center;
  width: 100%; height: 100%;
  cursor: pointer;
  transition: background var(--d-1) var(--ease), color var(--d-1) var(--ease);
}
.mz-qv__qty-btn svg { width: 14px; height: 14px; display: block; }
.mz-qv__qty-btn:hover { background: var(--paper-2); }
.mz-qv__qty-btn:disabled { color: var(--ink-4); cursor: not-allowed; background: transparent; }
.mz-qv__qty-btn:focus-visible { outline: 2px solid var(--border-focus); outline-offset: -2px; }
.mz-qv__qty-input {
  width: 52px; height: 100%;
  min-width: 0;
  border: 0;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  background: transparent;
  text-align: center;
  font: 600 var(--t-sm)/1 var(--ff-mono);
  font-feature-settings: 'tnum';
  color: var(--ink-1);
  padding: 0;
  -moz-appearance: textfield;
  appearance: textfield;
}
.mz-qv__qty-input::-webkit-outer-spin-button,
.mz-qv__qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.mz-qv__qty-input:focus-visible { outline: 2px solid var(--border-focus); outline-offset: -2px; }

/* ---------- Skeleton (loading) ---------- */
.mz-qv__loading { display: none; }
.mz-qv__skeleton {
  display: flex; flex-direction: column; gap: var(--s-4);
}
.mz-qv__sk-row {
  height: 14px;
  background: var(--paper-3);
  border-radius: var(--r-1);
  animation: mz-qv-pulse 1.4s ease-in-out infinite;
}
.mz-qv__sk-row--code  { width: 80px; height: 18px; }
.mz-qv__sk-row--title { width: 80%; height: 22px; }
.mz-qv__sk-row--meta  { width: 50%; height: 12px; }
.mz-qv__sk-row--price { width: 40%; height: 28px; margin-top: var(--s-3); }
.mz-qv__sk-img {
  aspect-ratio: 1 / 1;
  background: var(--paper-3);
  border-radius: var(--r-2);
  animation: mz-qv-pulse 1.4s ease-in-out infinite;
}
.mz-qv__sk-cta {
  height: 48px;
  background: var(--paper-3);
  border-radius: var(--r-2);
  margin-top: var(--s-2);
  animation: mz-qv-pulse 1.4s ease-in-out infinite;
}
@keyframes mz-qv-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

/* ---------- Error ---------- */
.mz-qv__error {
  padding: var(--s-6) var(--s-4);
  text-align: center;
  color: var(--ink-2);
  font: 500 var(--t-sm)/1.5 var(--ff-ui);
}

/* ---------- Trigger button (Anteprima) ---------- */
/* Affiancato al CTA primario nella mz-part__foot.
   La row si trasforma in due colonne: anteprima compatta + cta espanso. */
.mz-part__foot .mz-qv-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-2);
  align-items: stretch;
}
.mz-btn--qv {
  height: 40px;
  width: 40px;
  padding: 0;
  flex: 0 0 40px;
}
.mz-btn--qv svg {
  width: 18px;
  height: 18px;
  color: var(--ink-2);
  transition: color var(--d-1) var(--ease);
}
.mz-btn--qv:hover svg { color: var(--brand); }

/* Lo style esistente forza .mz-part__foot .mz-btn { width: 100% }: per il
   pulsante anteprima nella riga compatta vogliamo larghezza fissa quadrata.
   Usiamo lo scope .mz-qv-row per non toccare le card senza anteprima. */
.mz-part__foot .mz-qv-row .mz-btn--qv { width: 40px; }
.mz-part__foot .mz-qv-row > .mz-btn:not(.mz-btn--qv) { width: 100%; }

/* ---------- Mobile ---------- */
@media (max-width: 540px) {
  .mz-qv { padding: 0; align-items: flex-end; }
  .mz-qv__panel {
    max-width: 100%;
    max-height: 92vh;
    border-radius: var(--r-3) var(--r-3) 0 0;
    border-bottom: 0;
    padding: var(--s-5) var(--s-4) var(--s-4);
    transform: translateY(24px);
  }
  .mz-qv.is-open .mz-qv__panel { transform: translateY(0); }
  .mz-qv__title { font-size: var(--t-md); }
  .mz-qv__price { font-size: var(--t-lg); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .mz-qv__backdrop,
  .mz-qv__panel { transition: opacity 0.01ms linear; transform: none; }
  .mz-qv__sk-row, .mz-qv__sk-img, .mz-qv__sk-cta { animation: none; }
}