/* ==========================================================
   FAQ Accordion SEO Plugin — Public Styles
   Uses CSS custom properties for easy theme integration
   ========================================================== */

:root {
  --faseo-primary:       #2563eb;
  --faseo-primary-dark:  #1d4ed8;
  --faseo-text:          #1e293b;
  --faseo-muted:         #64748b;
  --faseo-bg:            #ffffff;
  --faseo-border:        #e2e8f0;
  --faseo-hover-bg:      #f8fafc;
  --faseo-radius:        8px;
  --faseo-font-size:     1rem;
  --faseo-transition:    0.25s ease;
  --faseo-icon-size:     1.1rem;
}

/* ── Base accordion ──────────────────────────────────────── */
.faseo-accordion {
  font-family: inherit;
  font-size: var(--faseo-font-size);
  color: var(--faseo-text);
  margin: 1.5em 0;
  width: 100%;
}

.faseo-item {
  border: 1px solid var(--faseo-border);
  border-radius: var(--faseo-radius);
  margin-bottom: .5rem;
  overflow: hidden;
  background: var(--faseo-bg);
  transition: box-shadow var(--faseo-transition);
}

.faseo-item:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,.07);
}

.faseo-question {
  margin: 0;
  padding: 0;
  font-size: inherit;
}

.faseo-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .9rem 1.2rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--faseo-font-size);
  font-weight: 600;
  color: var(--faseo-text);
  text-align: left;
  transition: background var(--faseo-transition), color var(--faseo-transition);
  line-height: 1.4;
}

.faseo-toggle:hover,
.faseo-item.faseo-open .faseo-toggle {
  background: var(--faseo-hover-bg);
  color: var(--faseo-primary);
}

.faseo-toggle:focus-visible {
  outline: 2px solid var(--faseo-primary);
  outline-offset: -2px;
}

/* ── Icon ────────────────────────────────────────────────── */
.faseo-icon {
  flex-shrink: 0;
  display: inline-block;
  width: var(--faseo-icon-size);
  height: var(--faseo-icon-size);
  position: relative;
  transition: transform var(--faseo-transition);
}

/* Chevron (default) */
.faseo-accordion:not([data-icon]) .faseo-icon::before,
.faseo-accordion[data-icon="chevron"] .faseo-icon::before {
  content: '';
  display: block;
  width: .6em;
  height: .6em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-25%);
  margin: auto;
}

.faseo-item.faseo-open .faseo-icon {
  transform: rotate(180deg);
}

/* Plus */
.faseo-accordion[data-icon="plus"] .faseo-icon::before,
.faseo-accordion[data-icon="plus"] .faseo-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 1px;
}
.faseo-accordion[data-icon="plus"] .faseo-icon::before {
  width: 2px; height: 100%; top: 0; left: 50%; transform: translateX(-50%);
  transition: transform var(--faseo-transition), opacity var(--faseo-transition);
}
.faseo-accordion[data-icon="plus"] .faseo-icon::after {
  width: 100%; height: 2px; left: 0; top: 50%; transform: translateY(-50%);
}
.faseo-item.faseo-open.faseo-accordion[data-icon="plus"] .faseo-icon::before {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

/* ── Answer panel ────────────────────────────────────────── */
.faseo-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--faseo-transition);
}

.faseo-item.faseo-open .faseo-answer {
  max-height: 2000px;
}

.faseo-answer[hidden] {
  display: block !important; /* override [hidden] so CSS transition works */
  max-height: 0;
  visibility: hidden;
}

.faseo-item.faseo-open .faseo-answer[hidden] {
  visibility: visible;
  max-height: 2000px;
}

.faseo-answer-inner {
  padding: .2rem 1.2rem 1rem;
  line-height: 1.7;
}

.faseo-answer-inner p:first-child { margin-top: 0; }
.faseo-answer-inner p:last-child  { margin-bottom: 0; }

/* ── Anchor link ─────────────────────────────────────────── */
.faseo-anchor {
  display: inline-block;
  font-size: .75rem;
  padding: 0 1.2rem .6rem;
  text-decoration: none;
  opacity: .5;
  transition: opacity var(--faseo-transition);
}
.faseo-anchor:hover { opacity: 1; }

/* ── Keyword highlight ───────────────────────────────────── */
mark.faseo-highlight {
  background: #fef08a;
  color: inherit;
  border-radius: 2px;
  padding: 0 2px;
}

/* ── Intro / Conclusion ──────────────────────────────────── */
.faseo-intro,
.faseo-conclusion {
  margin: .75rem 0;
  line-height: 1.7;
}

/* ── Search ──────────────────────────────────────────────── */
.faseo-search-wrap {
  margin-bottom: .75rem;
}

.faseo-search {
  width: 100%;
  padding: .6rem 1rem;
  font-size: var(--faseo-font-size);
  border: 1px solid var(--faseo-border);
  border-radius: var(--faseo-radius);
  background: var(--faseo-bg);
  color: var(--faseo-text);
  transition: border-color var(--faseo-transition), box-shadow var(--faseo-transition);
  box-sizing: border-box;
}

.faseo-search:focus {
  outline: none;
  border-color: var(--faseo-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

.faseo-item[hidden] {
  display: none !important;
}

/* ── No results ──────────────────────────────────────────── */
.faseo-no-faqs,
.faseo-no-results {
  color: var(--faseo-muted);
  font-style: italic;
  padding: .5rem 0;
}

/* ── Styles: minimal ─────────────────────────────────────── */
.faseo-style-minimal .faseo-item {
  border: none;
  border-bottom: 1px solid var(--faseo-border);
  border-radius: 0;
  margin-bottom: 0;
}
.faseo-style-minimal .faseo-item:first-child { border-top: 1px solid var(--faseo-border); }

/* ── Styles: boxed ───────────────────────────────────────── */
.faseo-style-boxed .faseo-item {
  background: var(--faseo-hover-bg);
}
.faseo-style-boxed .faseo-toggle:hover,
.faseo-style-boxed .faseo-item.faseo-open .faseo-toggle {
  background: #e0eaff;
}

/* ── Styles: card ────────────────────────────────────────── */
.faseo-style-card .faseo-item {
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  border: none;
  margin-bottom: .75rem;
}

/* ── Styles: bordered ────────────────────────────────────── */
.faseo-style-bordered .faseo-item {
  border-left: 4px solid var(--faseo-primary);
}

/* ── Block editor placeholder ────────────────────────────── */
.faseo-block-editor-preview .faseo-block-placeholder {
  background: #f0f6ff;
  border: 2px dashed #2563eb;
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .faseo-toggle {
    padding: .75rem 1rem;
    font-size: .95rem;
  }
  .faseo-answer-inner {
    padding: .2rem 1rem .85rem;
    font-size: .95rem;
  }
}