/* ============================================================
   GFTU FAQ Pro v2.1.0 — Frontend Styles
   5 layouts: accordion | list | grid | minimal | boxed
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
.gftu-faq-wrapper {
    --gftu-accent:    #0066cc;
    --gftu-text:      #1a1a2e;
    --gftu-bg:        #ffffff;
    --gftu-surface:   #f8faff;
    --gftu-border:    #e2e8f0;
    --gftu-hover-bg:  #f0f6ff;
    --gftu-radius:    12px;
    --gftu-fsize:     16px;
    --gftu-shadow:    0 2px 12px rgba(0,0,0,.06);
    --gftu-shadow-h:  0 8px 28px rgba(0,0,0,.11);
    --gftu-dark-bg:   #0f0f1a;
    --gftu-dark-txt:  #e8e8f0;
    --gftu-dark-acc:  #4d9fff;
    --gftu-dark-brd:  #2a2a3e;
    --gftu-dark-sur:  #1a1a2e;
    max-width: 900px;
    margin: 0 auto;
    font-size: var(--gftu-fsize);
    color: var(--gftu-text);
    transition: color .3s, background .3s;
}

/* ── Dark mode ─────────────────────────────────────────────── */
.gftu-faq-wrapper.gftu-dark,
.gftu-faq-wrapper.gftu-dm-dark {
    --gftu-text:    var(--gftu-dark-txt);
    --gftu-bg:      var(--gftu-dark-bg);
    --gftu-surface: var(--gftu-dark-sur);
    --gftu-border:  var(--gftu-dark-brd);
    --gftu-accent:  var(--gftu-dark-acc);
    --gftu-hover-bg:#1e1e32;
    --gftu-shadow:  0 2px 12px rgba(0,0,0,.4);
    --gftu-shadow-h:0 8px 28px rgba(0,0,0,.55);
    color: var(--gftu-dark-txt);
    background: var(--gftu-dark-bg);
}
@media (prefers-color-scheme: dark) {
    .gftu-faq-wrapper.gftu-dm-auto {
        --gftu-text:    var(--gftu-dark-txt);
        --gftu-bg:      var(--gftu-dark-bg);
        --gftu-surface: var(--gftu-dark-sur);
        --gftu-border:  var(--gftu-dark-brd);
        --gftu-accent:  var(--gftu-dark-acc);
        --gftu-hover-bg:#1e1e32;
        color: var(--gftu-dark-txt);
        background: var(--gftu-dark-bg);
    }
}
.gftu-faq-wrapper.gftu-dark .gftu-icon-sun,
.gftu-faq-wrapper.gftu-dm-dark .gftu-icon-sun { display:none; }
.gftu-faq-wrapper:not(.gftu-dark) .gftu-icon-moon { display:none; }

/* ── Controls ──────────────────────────────────────────────── */
.gftu-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.gftu-search-wrap {
    flex: 1 1 220px;
    position: relative;
    display: flex;
    align-items: center;
}
.gftu-search-icon {
    position: absolute;
    left: 14px;
    color: var(--gftu-text);
    opacity: .4;
    pointer-events: none;
    flex-shrink: 0;
}
.gftu-search-input {
    width: 100%;
    padding: 12px 40px 12px 42px;
    border: 2px solid var(--gftu-border);
    border-radius: var(--gftu-radius);
    background: var(--gftu-bg);
    color: var(--gftu-text);
    font-size: var(--gftu-fsize);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    box-sizing: border-box;
}
.gftu-search-input:focus {
    border-color: var(--gftu-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--gftu-accent) 18%, transparent);
}
.gftu-search-clear {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--gftu-text);
    opacity: .4;
    cursor: pointer;
    font-size: 13px;
    padding: 2px 4px;
}
.gftu-search-clear:hover { opacity: .8; }
.gftu-filter-wrap { flex: 0 1 200px; }
.gftu-cat-filter {
    width: 100%;
    padding: 2px 15px;
    border: 2px solid var(--gftu-border);
    border-radius: var(--gftu-radius);
    background: var(--gftu-bg);
    color: var(--gftu-text);
    font-size: var(--gftu-fsize);
    cursor: pointer;
    outline: none;
    transition: border-color .2s;
    box-sizing: border-box;
}
.gftu-cat-filter:focus { border-color: var(--gftu-accent); }
.gftu-dark-toggle {
    flex-shrink: 0;
    background: var(--gftu-surface);
    border: 1.5px solid var(--gftu-border);
    border-radius: 50px;
    padding: 7px 13px;
    cursor: pointer;
    font-size: 15px;
    display: flex;
    gap: 4px;
    align-items: center;
    color: var(--gftu-text);
    transition: background .2s;
}
.gftu-dark-toggle:hover { background: var(--gftu-hover-bg); }

/* ── Meta & Skeleton ───────────────────────────────────────── */
.gftu-results-meta {
    font-size: .85em;
    opacity: .5;
    margin-bottom: 10px;
    min-height: 18px;
}
.gftu-faq-list.gftu-loading { opacity: .4; pointer-events: none; transition: opacity .2s; }

/* Skeleton loader */
.gftu-skel-item { margin-bottom: 12px; border-radius: var(--gftu-radius); overflow: hidden; background: var(--gftu-surface); padding: 18px; }
.gftu-skel-line { height: 16px; border-radius: 6px; background: linear-gradient(90deg, var(--gftu-border) 25%, var(--gftu-hover-bg) 50%, var(--gftu-border) 75%); background-size: 200% 100%; animation: gftuSkel 1.4s infinite; }
.gftu-skel-q { width: 70%; margin-bottom: 10px; }
.gftu-skel-a { width: 40%; height: 12px; opacity: .5; }
@keyframes gftuSkel { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ── Tab bar (boxed layout) ────────────────────────────────── */
.gftu-tab-bar {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 18px;
    padding: 6px;
    background: var(--gftu-surface);
    border-radius: var(--gftu-radius);
    border: 1px solid var(--gftu-border);
}
.gftu-tab-btn {
    padding: 7px 18px;
    border-radius: calc(var(--gftu-radius) - 4px);
    border: none;
    background: transparent;
    color: var(--gftu-text);
    cursor: pointer;
    font-size: .9em;
    font-weight: 500;
    transition: background .2s, color .2s;
}
.gftu-tab-btn:hover   { background: var(--gftu-hover-bg); }
.gftu-tab-btn.active  { background: var(--gftu-accent); color: #fff; }

/* ── Item entry animation ──────────────────────────────────── */
@keyframes gftuIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

/* ══════════════════════════════════════════════════════════════
   LAYOUT: ACCORDION (default)
══════════════════════════════════════════════════════════════ */
.gftu-faq-item {
    border: 1.5px solid var(--gftu-border);
    border-radius: var(--gftu-radius);
    margin-bottom: 10px;
    background: var(--gftu-bg);
    box-shadow: var(--gftu-shadow);
    overflow: hidden;
    transition: box-shadow .25s, border-color .25s;
    animation: gftuIn .35s both;
}
.gftu-faq-item:hover     { box-shadow: var(--gftu-shadow-h); }
.gftu-faq-item.gftu-open { border-color: var(--gftu-accent); }

/* Question button */
.gftu-faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--gftu-text);
    font-size: var(--gftu-fsize);
    font-weight: 600;
    line-height: 1.4;
    transition: background .2s;
}
.gftu-faq-question:hover,
.gftu-faq-item.gftu-open .gftu-faq-question { background: var(--gftu-hover-bg); }

/* Q icon */
.gftu-q-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--gftu-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0;
}
.gftu-q-text { flex: 1; }
.gftu-q-chevron {
    flex-shrink: 0;
    color: var(--gftu-accent);
    display: flex;
    align-items: center;
    transition: transform .28s cubic-bezier(.4,0,.2,1);
}
.gftu-faq-item.gftu-open .gftu-q-chevron { transform: rotate(180deg); }

/* Answer */
.gftu-answer-inner {
    padding: 4px 20px 20px 60px;
    line-height: 1.85;
    font-size: calc(var(--gftu-fsize) * .96);
    color: var(--gftu-text);
    opacity: .85;
}
.gftu-answer-inner p:last-child { margin-bottom: 0; }
.gftu-answer-inner a { color: var(--gftu-accent); }
.gftu-item-cats {
    padding: 0 20px 14px 60px;
    font-size: .78em;
    opacity: .4;
    font-style: italic;
}

/* ══════════════════════════════════════════════════════════════
   LAYOUT: MINIMAL (borderless)
══════════════════════════════════════════════════════════════ */
.gftu-layout-minimal .gftu-faq-item.gftu-minimal {
    border: none;
    box-shadow: none;
    border-bottom: 1.5px solid var(--gftu-border);
    border-radius: 0;
    background: transparent;
}
.gftu-layout-minimal .gftu-faq-item.gftu-minimal:last-child { border-bottom: none; }
.gftu-layout-minimal .gftu-faq-question {
    padding: 16px 0;
    gap: 10px;
}
.gftu-layout-minimal .gftu-faq-question:hover,
.gftu-layout-minimal .gftu-faq-item.gftu-open .gftu-faq-question { background: transparent; }
.gftu-layout-minimal .gftu-answer-inner { padding: 0 0 16px 0; }

/* ══════════════════════════════════════════════════════════════
   LAYOUT: LIST (all open)
══════════════════════════════════════════════════════════════ */
.gftu-layout-list .gftu-faq-answer { display: block !important; }
.gftu-layout-list .gftu-q-chevron  { display: none; }
.gftu-layout-list .gftu-faq-question { cursor: default; }
.gftu-layout-list .gftu-faq-item.gftu-open .gftu-faq-question { background: var(--gftu-hover-bg); }

/* ══════════════════════════════════════════════════════════════
   LAYOUT: GRID (cards)
══════════════════════════════════════════════════════════════ */
.gftu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.gftu-grid-card {
    background: var(--gftu-bg);
    border: 1.5px solid var(--gftu-border);
    border-radius: var(--gftu-radius);
    padding: 22px 20px 18px;
    box-shadow: var(--gftu-shadow);
    transition: box-shadow .25s, transform .25s;
    animation: gftuIn .35s both;
}
.gftu-grid-card:hover {
    box-shadow: var(--gftu-shadow-h);
    transform: translateY(-3px);
}
.gftu-grid-icon {
    width: 32px; height: 32px;
    border-radius: 9px;
    background: var(--gftu-accent);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.gftu-grid-q {
    font-size: calc(var(--gftu-fsize) * 1.02);
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--gftu-text);
    line-height: 1.4;
}
.gftu-grid-a {
    font-size: calc(var(--gftu-fsize) * .92);
    line-height: 1.7;
    color: var(--gftu-text);
    opacity: .75;
}
.gftu-grid-a p:last-child { margin-bottom: 0; }

/* ══════════════════════════════════════════════════════════════
   LAYOUT: BOXED (tab-style)
══════════════════════════════════════════════════════════════ */
.gftu-layout-boxed .gftu-faq-item {
    border-radius: calc(var(--gftu-radius) * .7);
}
.gftu-layout-boxed .gftu-faq-item.gftu-open {
    background: var(--gftu-surface);
    box-shadow: var(--gftu-shadow-h);
}

/* ── No results ────────────────────────────────────────────── */
.gftu-no-results {
    text-align: center;
    padding: 48px 20px;
    opacity: .5;
    font-size: 1.05em;
}

/* ── Pagination ────────────────────────────────────────────── */
.gftu-pagination { margin-top: 24px; }
.gftu-pag-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-wrap: wrap;
}
.gftu-page-btn {
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border: 1.5px solid var(--gftu-border);
    border-radius: 8px;
    background: var(--gftu-bg);
    color: var(--gftu-text);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all .18s;
}
.gftu-page-btn:hover:not(.disabled):not(.active) {
    border-color: var(--gftu-accent);
    color: var(--gftu-accent);
}
.gftu-page-btn.active  { background: var(--gftu-accent); border-color: var(--gftu-accent); color: #fff; }
.gftu-page-btn.disabled { opacity: .3; cursor: default; }
.gftu-pag-sep { padding: 0 4px; opacity: .35; }

/* ── RTL ───────────────────────────────────────────────────── */
[dir="rtl"] .gftu-search-icon { left: auto; right: 14px; }
[dir="rtl"] .gftu-search-input { padding: 12px 42px 12px 40px; }
[dir="rtl"] .gftu-search-clear { right: auto; left: 12px; }
[dir="rtl"] .gftu-faq-question { text-align: right; }
[dir="rtl"] .gftu-answer-inner { padding: 4px 60px 20px 20px; }
[dir="rtl"] .gftu-item-cats    { padding: 0 60px 14px 20px; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 600px) {
    .gftu-controls { flex-direction: column; }
    .gftu-filter-wrap { width: 100%; flex: unset; }
    .gftu-answer-inner { padding-left: 20px; }
    .gftu-item-cats    { padding-left: 20px; }
    .gftu-grid { grid-template-columns: 1fr; }
}