/* ============================================================
   Rellicon FAQ Plugin — default styles
   ------------------------------------------------------------
   Source: design scope #513 (Claude Design handoff 2026-04-21)
   Implements: scope #506 (renderer) + #507 (archive + theming)

   Scoped to .rellicon-faq. All visual decisions are driven
   by CSS custom properties so any host theme can override
   them via a single CSS file upload.
   ============================================================ */

.rellicon-faq {
  /* ——— Layout ——— */
  --faq-max-width: 56rem;
  --faq-gap: 0.75rem;
  --faq-item-padding: 1.25rem 1.375rem;
  --faq-content-padding: 0.5rem 1.375rem 1.25rem;

  /* ——— Typography ——— */
  --faq-font-family: inherit;
  --faq-question-size: 1.0625rem;
  --faq-question-weight: 600;
  --faq-question-line-height: 1.5;
  --faq-question-color: #0f1a2b;
  --faq-answer-size: 0.9375rem;
  --faq-answer-line-height: 1.65;
  --faq-answer-color: #4a5568;

  /* ——— Surface ——— */
  --faq-bg: transparent;
  --faq-card-bg: #ffffff;
  --faq-card-bg-hover: #fafbfc;
  --faq-card-bg-open: #ffffff;
  --faq-border: rgba(15, 26, 43, 0.08);
  --faq-border-hover: rgba(15, 26, 43, 0.14);
  --faq-border-open: rgba(15, 26, 43, 0.12);
  --faq-border-radius: 0.625rem;
  --faq-card-shadow: 0 1px 2px rgba(15, 26, 43, 0.04);
  --faq-card-shadow-open: 0 2px 8px rgba(15, 26, 43, 0.06);

  /* ——— Indicator ——— */
  --faq-icon-color: #64748b;
  --faq-icon-color-open: #0f1a2b;
  --faq-icon-size: 1.125rem;

  /* ——— Accents / interaction ——— */
  --faq-accent: #0f1a2b;
  --faq-focus-ring: 0 0 0 3px rgba(15, 26, 43, 0.15);
  --faq-divider: rgba(15, 26, 43, 0.06);

  /* ——— Motion ——— */
  --faq-transition: 180ms cubic-bezier(0.2, 0.7, 0.3, 1);

  font-family: var(--faq-font-family);
  background: var(--faq-bg);
  color: var(--faq-answer-color);
  max-width: var(--faq-max-width);
  margin-inline: auto;
}

/* ---------- Container ---------- */
.rellicon-faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- FAQ Item (accordion) ---------- */
.rellicon-faq__item {
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-border-radius);
  box-shadow: var(--faq-card-shadow);
  transition: background var(--faq-transition),
              border-color var(--faq-transition),
              box-shadow var(--faq-transition);
  overflow: hidden;
}

.rellicon-faq__item:hover:not([open]) {
  background: var(--faq-card-bg-hover);
  border-color: var(--faq-border-hover);
}

.rellicon-faq__item[open] {
  background: var(--faq-card-bg-open);
  border-color: var(--faq-border-open);
  box-shadow: var(--faq-card-shadow-open);
}

.rellicon-faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: var(--faq-item-padding);
  cursor: pointer;
  list-style: none;
  font-size: var(--faq-question-size);
  font-weight: var(--faq-question-weight);
  line-height: var(--faq-question-line-height);
  color: var(--faq-question-color);
  user-select: none;
}

.rellicon-faq__question::-webkit-details-marker { display: none; }
.rellicon-faq__question::marker { content: ''; }

/* Disable default browser focus outline (blijft zichtbaar na klik in Chrome/Safari
   en rendert als een border-bottom achter de summary in combinatie met overflow:hidden
   op de parent). focus-visible hieronder geeft keyboard-users wel een ring. */
.rellicon-faq__question:focus {
  outline: none;
}
.rellicon-faq__question {
  -webkit-tap-highlight-color: transparent;
}

.rellicon-faq__question:focus-visible {
  outline: none;
  box-shadow: var(--faq-focus-ring);
  border-radius: var(--faq-border-radius);
}

.rellicon-faq__icon {
  flex-shrink: 0;
  width: var(--faq-icon-size);
  height: var(--faq-icon-size);
  color: var(--faq-icon-color);
  transition: transform var(--faq-transition), color var(--faq-transition);
}

.rellicon-faq__item[open] .rellicon-faq__icon {
  transform: rotate(180deg);
  color: var(--faq-icon-color-open);
}

.rellicon-faq__answer {
  padding: var(--faq-content-padding);
  font-size: var(--faq-answer-size);
  line-height: var(--faq-answer-line-height);
  color: var(--faq-answer-color);
}

.rellicon-faq__answer > *:first-child { margin-top: 0; }
.rellicon-faq__answer > *:last-child { margin-bottom: 0; }
.rellicon-faq__answer a {
  color: var(--faq-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- List variant (always expanded) ---------- */
.rellicon-faq--list .rellicon-faq__list {
  gap: 0;
}
.rellicon-faq--list .rellicon-faq__item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--faq-divider);
  border-radius: 0;
  box-shadow: none;
  padding: 1.5rem 0;
}
.rellicon-faq--list .rellicon-faq__item:last-child { border-bottom: none; }
.rellicon-faq--list .rellicon-faq__question {
  padding: 0 0 0.5rem;
  cursor: default;
}
.rellicon-faq--list .rellicon-faq__icon { display: none; }
.rellicon-faq--list .rellicon-faq__answer { padding: 0; }

/* ============================================================
   Archive layout (scope #507)
   Full FAQ page with hero, sidebar categories, pagination.
   ============================================================ */

.rellicon-faq-archive {
    --faq-archive-max-width: 72rem;
    --faq-archive-gap: 2rem;
    --faq-archive-sidebar-width: 16rem;
    --faq-archive-hero-bg: linear-gradient(135deg, rgba(15, 26, 43, 0.02), rgba(15, 26, 43, 0.06));
    --faq-archive-muted: #64748b;

    max-width: var(--faq-archive-max-width);
    margin: 2rem auto;
    font-family: var(--faq-font-family, inherit);
}

.rellicon-faq-archive__hero {
    background: var(--faq-archive-hero-bg);
    border-radius: var(--faq-border-radius, 0.625rem);
    padding: 2.5rem 2rem;
    margin-bottom: var(--faq-archive-gap);
    text-align: center;
}

.rellicon-faq-archive__title {
    margin: 0 0 0.5rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--faq-question-color, #0f1a2b);
}

.rellicon-faq-archive__helper {
    margin: 0 0 1.5rem;
    color: var(--faq-archive-muted);
    font-size: 1rem;
}

.rellicon-faq-archive__search {
    display: flex;
    gap: 0.5rem;
    max-width: 32rem;
    margin: 0 auto;
}

.rellicon-faq-archive__search input[type="search"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--faq-border, rgba(15, 26, 43, 0.14));
    border-radius: var(--faq-border-radius, 0.625rem);
    font: inherit;
    background: #fff;
}

.rellicon-faq-archive__search input[type="search"]:focus {
    outline: none;
    box-shadow: var(--faq-focus-ring, 0 0 0 3px rgba(15, 26, 43, 0.15));
}

.rellicon-faq-archive__submit {
    padding: 0.75rem 1.5rem;
    background: var(--faq-accent, #0f1a2b);
    color: #fff;
    border: 0;
    border-radius: var(--faq-border-radius, 0.625rem);
    font: inherit;
    cursor: pointer;
    transition: background var(--faq-transition, 180ms ease);
}

.rellicon-faq-archive__submit:hover {
    background: var(--faq-accent-hover, #1b2942);
}

.rellicon-faq-archive__layout {
    display: grid;
    grid-template-columns: var(--faq-archive-sidebar-width) 1fr;
    gap: var(--faq-archive-gap);
    align-items: start;
}

@media (max-width: 768px) {
    .rellicon-faq-archive__layout {
        grid-template-columns: 1fr;
    }
}

.rellicon-faq-archive__sidebar-title {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--faq-archive-muted);
}

.rellicon-faq-archive__categories {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rellicon-faq-archive__category a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--faq-question-color, #0f1a2b);
    text-decoration: none;
    border-radius: var(--faq-border-radius, 0.5rem);
    transition: background var(--faq-transition, 180ms ease);
}

.rellicon-faq-archive__category a:hover {
    background: var(--faq-card-bg-hover, #fafbfc);
}

.rellicon-faq-archive__category.is-active a {
    background: var(--faq-accent, #0f1a2b);
    color: #fff;
    font-weight: 600;
}

.rellicon-faq-archive__results {
    min-width: 0;
}

.rellicon-faq-archive__empty {
    text-align: center;
    padding: 3rem 1.5rem;
    border: 2px dashed var(--faq-border, rgba(15, 26, 43, 0.14));
    border-radius: var(--faq-border-radius, 0.625rem);
    color: var(--faq-archive-muted);
}

.rellicon-faq-archive__clear {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--faq-accent, #0f1a2b);
    font-weight: 600;
    text-decoration: underline;
}

.rellicon-faq-archive__pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.rellicon-faq-archive__page {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: var(--faq-border-radius, 0.5rem);
    border: 1px solid var(--faq-border, rgba(15, 26, 43, 0.14));
    color: var(--faq-question-color, #0f1a2b);
    text-decoration: none;
    font-weight: 500;
    background: #fff;
    transition: background var(--faq-transition, 180ms ease);
}

.rellicon-faq-archive__page:hover {
    background: var(--faq-card-bg-hover, #fafbfc);
}

.rellicon-faq-archive__page--current {
    background: var(--faq-accent, #0f1a2b);
    color: #fff;
    border-color: transparent;
}