/* Zvěčni to konfigurátor. Používá tokeny šablony (--zv-*), s náhradními hodnotami. */
.zv-config {
  --c-ink: var(--zv-ink, #1b1f1d);
  --c-muted: var(--zv-muted, #59615c);
  --c-line: var(--zv-line, #e2ddd3);
  --c-surface: var(--zv-surface, #fff);
  --c-stone: var(--zv-stone, #f4f2f0);
  --c-sand: var(--zv-sand, #ece7de);
  --c-primary: var(--zv-pine, #21443b);
  --c-primary-ink: var(--zv-on-pine, #fff);
  --c-accent: var(--zv-clay, #b4683f);
  --c-error: var(--zv-error, #a3261c);
  --r: var(--zv-radius, 14px);
  --r-sm: var(--zv-radius-sm, 10px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  color: var(--c-ink);
  scroll-margin-top: 80px;
}
.zv-config *, .zv-config *::before, .zv-config *::after { box-sizing: border-box; }
@media (min-width: 1000px) {
  .zv-config { grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr); gap: 48px; align-items: start; }
  .zv-config__visual { position: sticky; top: 88px; }
}

/* --- Vizuál vlevo --- */
.zv-stage__main { position: relative; margin: 0; border-radius: var(--r); overflow: hidden; background: var(--c-stone); box-shadow: 0 1px 0 rgba(0,0,0,.03), 0 18px 40px -24px rgba(27,31,29,.35); }
.zv-stage__open { display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.zv-stage__img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.zv-stage__caption { position: absolute; left: 12px; top: 12px; max-width: calc(100% - 24px); padding: 5px 10px; border-radius: 999px; background: rgba(255,255,255,.88); font-size: .78rem; color: var(--c-muted); backdrop-filter: blur(4px); }
.zv-stage__caption:empty { display: none; }
.zv-stage__progress { position: absolute; left: 12px; right: 12px; bottom: 12px; padding: 14px 16px; border-radius: var(--r-sm); background: rgba(255,255,255,.95); box-shadow: 0 8px 24px -12px rgba(0,0,0,.3); }
.zv-stage__progress[hidden] { display: none; }
.zv-progress { height: 6px; border-radius: 3px; background: var(--c-sand); overflow: hidden; }
.zv-progress i { display: block; height: 100%; width: 0; background: var(--c-primary); transition: width .5s ease; }
.zv-steps { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: .82rem; color: var(--c-muted); }
.zv-steps[hidden] { display: none; }
.zv-steps li { position: relative; padding-left: 16px; }
.zv-steps li::before { content: ""; position: absolute; left: 0; top: .45em; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid #a7a197; }
.zv-steps li.is-done { color: var(--c-ink); }
.zv-steps li.is-done::before { background: var(--c-primary); border-color: var(--c-primary); }
.zv-steps li.is-current { color: var(--c-ink); font-weight: 600; }
.zv-steps li.is-current::before { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(33,68,59,.18); animation: zv-pulse 1.2s ease-in-out infinite; }
@keyframes zv-pulse { 50% { box-shadow: 0 0 0 5px rgba(33,68,59,.06); } }
.zv-elapsed { margin: 8px 0 0; font-size: .82rem; color: var(--c-muted); display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.zv-stage__progress.is-error .zv-progress { display: none; }
.zv-error-text { color: var(--c-error); font-size: .9rem; margin: 0; flex: 1 1 220px; }

.zv-thumbs { list-style: none; margin: 12px 0 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.zv-thumb { display: block; width: 100%; padding: 0; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: var(--c-stone); cursor: pointer; }
.zv-thumb img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.zv-thumb[aria-current="true"] { border-color: var(--c-primary); }
.zv-thumb.is-own { position: relative; }
.zv-thumb.is-own::after { content: "Váš"; position: absolute; left: 4px; bottom: 4px; padding: 1px 6px; border-radius: 6px; background: var(--c-primary); color: #fff; font-size: .62rem; font-weight: 600; }
.zv-stage__notes { margin-top: 14px; padding: 14px 16px; border-radius: var(--r-sm); background: var(--c-stone); font-size: .84rem; color: var(--c-muted); }
.zv-stage__notes[hidden] { display: none; }
.zv-stage__notes-title { font-weight: 600; color: var(--c-ink); cursor: pointer; }
.zv-stage__notes ul { margin-top: 8px !important; }
.zv-stage__notes ul { margin: 0 0 0 18px; padding: 0; }
.zv-stage__notes li { margin: 2px 0; }

/* --- Vlastní náhled zákazníka (pod mapou, odlišený od galerie ukázek) --- */
.zv-stage__caption.is-own { background: var(--c-primary); color: #fff; font-weight: 600; }
.zv-own { display: grid; gap: 10px; padding: 14px; border: 1.5px solid var(--c-primary); border-radius: var(--r); background: var(--c-surface); }
.zv-own[hidden] { display: none; }
.zv-own__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.zv-own__title { padding: 3px 10px; border-radius: 999px; background: var(--c-primary); color: #fff; font-size: .8rem; font-weight: 600; }
.zv-own .zv-elapsed { margin: 0; }
.zv-own.is-error .zv-elapsed { flex: 1 1 100%; }
.zv-own.is-error .zv-progress, .zv-own.is-ready .zv-progress { display: none; }
.zv-own__imgs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.zv-own__imgs[hidden] { display: none; }
.zv-own__img { display: block; width: 100%; padding: 0; border: 0; border-radius: var(--r-sm); overflow: hidden; background: var(--c-stone); cursor: zoom-in; }
.zv-own__img img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.zv-own__img:focus-visible { outline: 3px solid var(--zv-focus, #3a7bd5); outline-offset: 2px; }

/* --- Panel vpravo --- */
.zv-config__panel { margin: 0; display: grid; gap: 22px; }
.zv-eyebrow { margin: 0 0 6px; font-size: .78rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--c-accent); }
.zv-config__title { margin: 0 0 6px; font-size: clamp(1.6rem, 3vw, 2.1rem); line-height: 1.15; }
.zv-config__lead { margin: 0; color: var(--c-muted); }
.zv-config fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.zv-step { display: grid; gap: 10px; }
.zv-step__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0; padding: 0; font-size: 1.05rem; font-weight: 600; font-family: inherit; }
.zv-step__head legend { padding: 0; font-weight: 600; display: flex; align-items: center; gap: 10px; float: left; }
.zv-step legend.zv-step__head { display: flex; gap: 10px; float: left; width: 100%; justify-content: flex-start; }
.zv-step legend + * { clear: both; }
.zv-step__legend { display: flex; gap: 10px; justify-content: flex-start; }
.zv-step__num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--c-primary); color: var(--c-primary-ink); font-size: .78rem; font-weight: 700; flex: none; }
.zv-link { padding: 0; border: 0; background: none; color: var(--c-primary); font: inherit; font-size: .9rem; font-weight: 500; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.zv-note { margin: 0; font-size: .82rem; color: var(--c-muted); }
.zv-label { display: block; margin: 0 0 6px; font-size: .9rem; font-weight: 600; }
.zv-optional { font-weight: 400; color: var(--c-muted); }
.zv-scale-info { font-weight: 400; color: var(--c-muted); }

.zv-cards { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.zv-cards--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.zv-cards--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.zv-card { position: relative; display: block; margin: 0; cursor: pointer; }
.zv-card input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.zv-card__body { display: flex; flex-direction: column; gap: 3px; height: 100%; padding: 14px 14px 12px; border: 1.5px solid var(--c-line); border-radius: var(--r-sm); background: var(--c-surface); transition: border-color .15s, box-shadow .15s; }
.zv-card__body--row { flex-direction: row; align-items: center; gap: 12px; }
.zv-card__body--row > span { display: grid; gap: 2px; }
.zv-card:hover .zv-card__body { border-color: #c9c1b3; }
.zv-card input:checked + .zv-card__body { border-color: var(--c-primary); box-shadow: inset 0 0 0 1px var(--c-primary); }
.zv-card input:focus-visible + .zv-card__body { outline: 3px solid var(--zv-focus, #3a7bd5); outline-offset: 2px; }
.zv-card__title { font-size: 1rem; font-weight: 600; }
.zv-card__meta { font-size: .8rem; color: var(--c-muted); }
.zv-card__price { margin-top: 8px; font-size: .95rem; font-weight: 600; }
.zv-cards--sizes .zv-card__body { min-height: 104px; }
.zv-palette { display: flex; margin-bottom: 6px; }
.zv-palette i { display: block; width: 22%; height: 18px; border: 1px solid rgba(0,0,0,.08); }
.zv-palette i:first-child { border-radius: 4px 0 0 4px; }
.zv-palette i:last-child { border-radius: 0 4px 4px 0; }
.zv-frame-icon { width: 64px; height: 50px; flex: none; }
.zv-fi-land { fill: #c9d3b4; }
.zv-fi-frame { fill: #f3efe6; stroke: #bfb6a4; stroke-width: .6; }
.zv-fi-side-l { fill: #b5ab97; }
.zv-fi-side-r { fill: #9a907c; }
.zv-fi-water { fill: #7fa7c4; }
.zv-fi-b-t { fill: #f6f3ec; }
.zv-fi-b-l { fill: #d9d2c4; }
.zv-fi-b-r { fill: #c2b9a8; }

.zv-compare { padding: 14px; border-radius: var(--r-sm); background: var(--c-stone); }
.zv-compare[hidden] { display: none; }
.zv-compare__svg { display: block; width: 100%; height: auto; }
.zv-compare__note { margin: 6px 0 0; font-size: .8rem; color: var(--c-muted); }
.zv-cmp-floor { stroke: #b9b1a3; stroke-width: 1.5; }
.zv-cmp-paper { fill: #fff; stroke: #c8c0b2; }
.zv-cmp-model { fill: #dfd8cb; stroke: #b9b1a3; }
.zv-cmp-model.is-current { fill: var(--c-primary); stroke: var(--c-primary); }
.zv-cmp-model.is-current + .zv-cmp-label { fill: #fff; }
.zv-cmp-mug { fill: #fff; stroke: #b9b1a3; stroke-width: 1.5; }
.zv-cmp-label { font: 600 13px/1 var(--zv-font, sans-serif); fill: var(--c-ink); text-anchor: middle; }

.zv-search { display: flex; gap: 8px; }
.zv-search input, .zv-input { flex: 1; min-width: 0; width: 100%; padding: 12px 14px; border: 1.5px solid var(--c-line); border-radius: var(--r-sm); background: var(--c-surface); font: inherit; font-size: 16px; color: var(--c-ink); }
.zv-search input:focus, .zv-input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(33,68,59,.15); }
.zv-search-results { list-style: none; margin: 0; padding: 0; border: 1.5px solid var(--c-line); border-radius: var(--r-sm); background: var(--c-surface); max-height: 220px; overflow-y: auto; }
.zv-search-results[hidden] { display: none; }
.zv-search-results li + li { border-top: 1px solid var(--c-line); }
.zv-search-results button { display: block; width: 100%; text-align: left; padding: 10px 14px; background: none; border: 0; color: var(--c-ink); font: inherit; font-size: .88rem; cursor: pointer; }
.zv-search-results button:hover, .zv-search-results button:focus-visible { background: var(--c-stone); }
.zv-search-results button[aria-current] { font-weight: 600; background: var(--c-stone); }
.zv-muted { padding: 10px 14px; color: var(--c-muted); font-size: .85rem; }
.zv-map { height: 340px; border-radius: var(--r-sm); border: 1.5px solid var(--c-line); background: var(--c-stone); z-index: 0; }
.zv-map:focus-visible { outline: 3px solid var(--zv-focus, #3a7bd5); outline-offset: 2px; }
@media (min-width: 1000px) { .zv-map { height: 380px; } }
.zv-hint { margin: 0; font-size: .82rem; color: var(--c-muted); }
.zv-chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(72px, 1fr)); gap: 6px; }
.zv-chip { display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 8px 4px; border: 1.5px solid var(--c-line); border-radius: var(--r-sm); background: var(--c-surface); color: var(--c-ink); font: inherit; font-size: .84rem; font-weight: 600; cursor: pointer; line-height: 1.2; }
.zv-chip small { font-weight: 400; font-size: .72rem; color: var(--c-muted); }
.zv-chip.is-active { border-color: var(--c-primary); background: var(--c-primary); color: #fff; }
.zv-chip.is-active small { color: rgba(255,255,255,.8); }
.zv-chip:disabled { opacity: .4; cursor: not-allowed; }

.zv-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 12px 22px; border: 1.5px solid transparent; border-radius: 999px; font: inherit; font-weight: 600; font-size: .98rem; text-decoration: none; cursor: pointer; transition: background .15s, opacity .15s; }
.zv-btn--primary { background: var(--c-primary); color: var(--c-primary-ink); }
.zv-btn--primary:hover { background: var(--zv-pine-700, #183229); }
.zv-btn--dark { background: var(--c-ink); color: #fff; }
.zv-btn--ghost { border-color: var(--c-line); background: var(--c-surface); color: var(--c-ink); }
.zv-btn:disabled { opacity: .45; cursor: not-allowed; }
.zv-btn:focus-visible, .zv-link:focus-visible, .zv-chip:focus-visible, .zv-thumb:focus-visible, .zv-stage__open:focus-visible { outline: 3px solid var(--zv-focus, #3a7bd5); outline-offset: 2px; }

.zv-buy { padding: 18px; border-radius: var(--r); background: var(--c-stone); display: grid; gap: 8px; scroll-margin-top: 90px; }
.zv-buy__row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.zv-buy__price { display: grid; }
.zv-buy__price .zv-label { margin: 0; font-weight: 500; color: var(--c-muted); font-size: .82rem; }
.zv-total-price { font-size: 1.6rem; font-weight: 700; white-space: nowrap; }
.zv-vat { font-size: .78rem; color: var(--c-muted); }
.zv-add { min-width: 210px; }
.zv-cart-status { margin: 0; font-size: .85rem; color: var(--c-muted); }
.zv-dispatch { margin: 0; font-size: .88rem; }
.zv-legal { margin: 0; font-size: .78rem; color: var(--c-muted); }
.zv-launch-note { margin: 0; padding: 10px 12px; border-radius: var(--r-sm); background: #fff7e6; border: 1px solid #ecd9ae; font-size: .9rem; }

/* --- Lišta na mobilu --- */
.zv-sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97); border-top: 1px solid var(--c-line); box-shadow: 0 -8px 24px -16px rgba(0,0,0,.3); transition: transform .2s ease; }
.zv-sticky.is-hidden, .zv-sticky.is-out { transform: translateY(110%); visibility: hidden; }
.zv-sticky { transition: transform .2s ease, visibility .2s; }
.zv-sticky__info { display: grid; min-width: 0; }
.zv-sticky__price { font-size: 1.1rem; }
.zv-sticky__status { font-size: .78rem; color: var(--c-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zv-sticky .zv-btn { min-height: 42px; padding: 10px 18px; }
@media (min-width: 1000px) { .zv-sticky { display: none; } }

/* --- Lightbox --- */
.zv-lightbox { width: min(1200px, 96vw); max-height: 94vh; padding: 0; border: 0; border-radius: var(--r); background: var(--c-stone); overflow: hidden; }
.zv-lightbox::backdrop { background: rgba(20,24,22,.78); }
.zv-lightbox img { display: block; width: 100%; height: auto; max-height: 82vh; object-fit: contain; }
.zv-lightbox__caption { margin: 0; padding: 10px 16px 14px; font-size: .85rem; color: var(--c-muted); }
.zv-lightbox__close, .zv-lightbox__prev, .zv-lightbox__next { position: absolute; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--c-ink); font-size: 26px; line-height: 1; cursor: pointer; }
.zv-lightbox__close { top: 10px; right: 10px; }
.zv-lightbox__prev { left: 10px; top: 45%; }
.zv-lightbox__next { right: 10px; top: 45%; }

@media (prefers-reduced-motion: reduce) {
  .zv-steps li.is-current::before { animation: none; }
  .zv-progress i, .zv-sticky, .zv-card__body { transition: none; }
}
.zv-cart-preview { width: 96px; height: auto; border-radius: 6px; }
.zv-unavailable { padding: 24px; border-radius: var(--r); background: var(--c-stone); }
@media (max-width: 480px) { .zv-card__body--row { flex-direction: column; align-items: flex-start; } .zv-frame-icon { width: 56px; height: 44px; } }
.zv-lightbox img { aspect-ratio: 4 / 3; background: var(--c-stone); }

/* Chyba náhledu: ukázkový snímek pod hláškou ztlumit, aby nepůsobil jako výsledek. */
.zv-stage__main.has-error .zv-stage__img { opacity: .28; filter: grayscale(1); transition: opacity .2s; }
.zv-stage__main.has-error .zv-stage__caption { visibility: hidden; }