/*! © 2026 Martijn Vlamings — popup "Waar nog meer te koop?" */

/* Kleuren en letters volgen de site: martijnvlamings.nl (--ink, --cream, --gold-text)
   en chinesewijsheid.nl (--text-dark, --bg, --plum). De fallback is de martijnvlamings.nl-stijl. */
.wtb {
  --wtb-ink:    var(--ink, var(--text-dark, #1c1a17));
  --wtb-soft:   var(--ink-light, var(--text-mid, #4a4640));
  --wtb-bg:     var(--cream, var(--bg, #f6f3ee));
  --wtb-line:   rgba(28, 26, 23, .12);
  --wtb-accent: var(--gold-text, var(--plum, #816141));
  --wtb-serif:  var(--serif, 'Cormorant Garamond', Georgia, serif);
  --wtb-sans:   var(--sans, 'Jost', system-ui, sans-serif);
  --wtb-ok:      #43A047;
  --wtb-unknown: #D99A2B;
  --wtb-missing: #B9B2A8;

  position: fixed;
  inset: 0;
  margin: auto;          /* de reset van de site (margin: 0) zou de popup linksboven zetten */
  width: min(860px, calc(100% - 32px));
  height: fit-content;
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: none;
  background: var(--wtb-bg);
  color: var(--wtb-ink);
  box-shadow: 0 30px 80px rgba(20, 16, 12, .35);
  overflow: auto;
  overscroll-behavior: contain;
}
.wtb::backdrop {
  background: rgba(28, 26, 23, .55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.wtb[open] { animation: wtb-in .35s ease; }
@keyframes wtb-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .wtb[open] { animation: none; } }
html.wtb-lock { overflow: hidden; }

.wtb-inner { position: relative; padding: clamp(1.5rem, 4vw, 2.75rem); }
.wtb-close {
  position: absolute; top: .9rem; right: .9rem;
  width: 2.5rem; height: 2.5rem;
  background: none; border: 1px solid transparent; cursor: pointer;
  font-size: 1.1rem; color: var(--wtb-soft);
  transition: border-color .2s, color .2s;
}
.wtb-close:hover, .wtb-close:focus-visible { border-color: var(--wtb-line); color: var(--wtb-ink); }

.wtb-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  margin: 0 3rem .5rem 0;
}
.wtb-eyebrow {
  display: block;
  font-family: var(--wtb-sans); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--wtb-accent);
}
.wtb-title {
  margin: 0 2.5rem .25rem 0;
  font-family: var(--wtb-serif); font-weight: 300; font-size: clamp(1.6rem, 3.4vw, 2.2rem); line-height: 1.15;
  color: var(--wtb-ink);
}
.wtb-sub {
  margin: 0 0 1.5rem;
  font-family: var(--wtb-serif); font-style: italic; font-size: 1.05rem; line-height: 1.5;
  color: var(--wtb-soft);
}

/* Taalschakelaar NL | EN, zoals in de menubalk van de site */
.wtb-lang {
  display: flex; align-items: center; list-style: none; margin: 0; padding: 0;
  font-family: var(--wtb-sans); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase;
}
.wtb-lang li { display: flex; align-items: center; }
.wtb-lang li + li::before { content: '|'; margin: 0 .6rem; color: rgba(28, 26, 23, .2); }
.wtb-lang button {
  background: none; border: none; padding: .2rem 0; cursor: pointer;
  font: inherit; letter-spacing: inherit; text-transform: inherit;
  color: var(--wtb-soft); opacity: .6; transition: color .3s, opacity .3s;
}
.wtb-lang button:hover, .wtb-lang button:focus-visible { color: var(--wtb-accent); opacity: 1; }
.wtb-lang button[aria-current="true"] { color: var(--wtb-ink); opacity: 1; cursor: default; }

/* Tabs met de boekafbeeldingen */
.wtb-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem;
  border-bottom: 1px solid var(--wtb-line);
}
.wtb-tab {
  display: flex; flex-direction: column; align-items: center; gap: .3rem;
  padding: .75rem .5rem 1rem;
  background: none; border: none; border-bottom: 2px solid transparent; margin-bottom: -1px;
  cursor: pointer; opacity: .55;
  color: var(--wtb-ink);
  transition: opacity .25s, border-color .25s;
}
.wtb-tab:hover { opacity: .85; }
.wtb-tab[aria-selected="true"] { opacity: 1; border-bottom-color: var(--wtb-accent); }
.wtb-tab:focus-visible { outline: 2px solid var(--wtb-accent); outline-offset: 2px; }
.wtb-tab-img { display: flex; align-items: flex-end; justify-content: center; height: 150px; width: 100%; }
.wtb-tab-img img { max-height: 100%; max-width: 100%; width: auto; height: auto; object-fit: contain; }
.wtb-tab--soon .wtb-tab-img img { filter: grayscale(.6); }
.wtb-tab-label {
  font-family: var(--wtb-sans); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
}
.wtb-tab-price { font-family: var(--wtb-serif); font-size: 1rem; color: var(--wtb-soft); }

/* Inhoud van een tab */
.wtb-panel { padding-top: 1.5rem; outline: none; }
.wtb-meta {
  margin: 0 0 1.25rem;
  font-family: var(--wtb-sans); font-size: .74rem; letter-spacing: .06em;
  color: var(--wtb-soft);
}
.wtb-order { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin-bottom: 2rem; }
.wtb-order-btn { align-self: center; }
.wtb-order-note { font-family: var(--wtb-serif); font-style: italic; font-size: 1rem; color: var(--wtb-soft); }
.wtb-also {
  margin: 0 0 .75rem;
  font-family: var(--wtb-sans); font-weight: 400; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--wtb-accent);
}
.wtb-shops { list-style: none; margin: 0; padding: 0; }
.wtb-shop {
  display: grid; grid-template-columns: 9.5rem 1fr; gap: .75rem 1rem; align-items: center;
  padding: .7rem 0; border-top: 1px solid var(--wtb-line);
}
.wtb-shop:last-child { border-bottom: 1px solid var(--wtb-line); }
.wtb-shop-name { font-family: var(--wtb-serif); font-size: 1.15rem; color: var(--wtb-ink); }
.wtb-chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.wtb-chip {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .35rem .75rem;
  border: 1px solid var(--wtb-line);
  font-family: var(--wtb-sans); font-size: .74rem; letter-spacing: .04em;
  color: var(--wtb-ink); text-decoration: none;
  transition: border-color .2s, background .2s;
}
a.wtb-chip:hover, a.wtb-chip:focus-visible { border-color: var(--wtb-accent); background: rgba(255, 255, 255, .55); }
.wtb-chip--off { color: var(--wtb-soft); border-style: dashed; cursor: default; }
.wtb-dot { width: .6rem; height: .6rem; border-radius: 50%; flex: none; background: var(--wtb-missing); }
.wtb-dot--ok { background: var(--wtb-ok); box-shadow: 0 0 0 3px rgba(67, 160, 71, .18); }
.wtb-dot--unknown { background: var(--wtb-unknown); }
.wtb-dot--missing { background: var(--wtb-missing); }
.wtb-none, .wtb-soon { font-family: var(--wtb-serif); font-style: italic; font-size: 1.1rem; color: var(--wtb-soft); margin: 0; }
.wtb-soon { padding: 1rem 0 .5rem; }

.wtb-foot {
  display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; align-items: center;
  margin-top: 1.5rem;
  font-family: var(--wtb-sans); font-size: .66rem; letter-spacing: .06em; color: var(--wtb-soft);
}
.wtb-legend { display: inline-flex; align-items: center; gap: .4rem; }
.wtb-checked { margin-left: auto; }
.wtb-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Knop/link die de popup opent */
.wtb-open {
  background: none; border: none; padding: 0; cursor: pointer;
  font: inherit; color: inherit;
  text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(28, 26, 23, .25);
  transition: color .3s;
}
.wtb-open:hover, .wtb-open:focus-visible { color: var(--gold, #A07850); }
.book-edition-link .wtb-sep { margin: 0 .6rem; opacity: .45; }

@media (max-width: 600px) {
  .wtb-tab-img { height: 92px; }
  .wtb-tab-label { font-size: .62rem; letter-spacing: .1em; }
  .wtb-tab-price { font-size: .9rem; }
  .wtb-shop { grid-template-columns: 1fr; gap: .4rem; }
  .wtb-checked { margin-left: 0; }
}