/* FB Personal Embeds Pro — Gallery / Art-forward UI */

/* ============================================================
   1. TOKENS
   ============================================================ */
.fpen-wrap {
  --fpen-bg:         #faf9f7;
  --fpen-card-bg:    #ffffff;
  --fpen-surface:   #f3f0eb;

  --fpen-accent:     #8b4a45;
  --fpen-accent-soft: rgba(139, 74, 69, 0.14);

  --fpen-border:     rgba(45, 35, 30, 0.08);
  --fpen-border-hov: rgba(45, 35, 30, 0.16);
  --fpen-line:       rgba(45, 35, 30, 0.06);
  --fpen-shadow:     0 2px 8px rgba(30, 24, 20, 0.06), 0 12px 40px rgba(30, 24, 20, 0.04);
  --fpen-shadow-hov: 0 8px 28px rgba(30, 24, 20, 0.1), 0 2px 8px rgba(139, 74, 69, 0.08);

  --fpen-radius:     18px;
  --fpen-radius-in:  11px;

  --fpen-gap-v:      28px;

  --fpen-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --fpen-font-display: ui-serif, 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;

  --fpen-badge-reel:   #5b21b6;
  --fpen-badge-video:  #0369a1;
  --fpen-badge-post:   #0f766e;
  --fpen-badge-other:  #57534e;
  --fpen-badge-bg-reel:  #f5f3ff;
  --fpen-badge-bg-video: #eff6ff;
  --fpen-badge-bg-post:  #ecfdf5;
  --fpen-badge-bg-other: #f5f5f4;

  /* clip iframe FB: top right bottom left (ước lượng — chỉnh trong Custom CSS nếu cần) */
  --fpen-clip-video:         10px;
  --fpen-clip-video-bottom:  22px;
  --fpen-clip-reel:          10px;
  --fpen-clip-reel-bottom:   26px;
  --fpen-clip-post:          8px;
  --fpen-clip-post-bottom:   46px;

  /* Kéo layout lên sau khi cắt đáy iframe (clip-path không thu chiều cao box) */
  --fpen-pull-post-bottom:   -46px;
  --fpen-pull-video-bottom:  -22px;
  --fpen-pull-reel-bottom:   -26px;

  margin: var(--fpen-gap-v) 0;
}

/* ============================================================
   2. SHELL & HEADER
   ============================================================ */
.fpen-shell {
  width: min(94vw, 1440px);
  margin-left: auto;
  margin-right: auto;
}

.fpen-head {
  margin: 0 0 22px;
  text-align: center;
}

.fpen-heading {
  margin: 0;
  font-family: var(--fpen-font-display);
  font-size: clamp(1.75rem, 2.5vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  font-weight: 500;
  font-style: italic;
  color: #1c1917;
  background: linear-gradient(105deg, #292524 0%, #78716c 42%, #1c1917 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .fpen-heading {
    color: transparent;
  }
}

.fpen-intro {
  margin: 8px auto 0;
  max-width: 640px;
  font-family: var(--fpen-font);
  color: #78716c;
  font-size: 0.92rem;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* ============================================================
   3. LAYOUT GRID (Masonry-style columns)
   ============================================================ */
.fpen-layout-grid .fpen-items {
  display: block;
  column-gap: 18px;
  column-fill: balance;
}

.fpen-layout-grid.fpen-cols-1 .fpen-items { column-count: 1; }
.fpen-layout-grid.fpen-cols-2 .fpen-items { column-count: 2; }
.fpen-layout-grid.fpen-cols-3 .fpen-items { column-count: 3; }
.fpen-layout-grid.fpen-cols-4 .fpen-items { column-count: 4; }
.fpen-layout-grid.fpen-cols-5 .fpen-items { column-count: 5; }
.fpen-layout-grid.fpen-cols-6 .fpen-items { column-count: 6; }

.fpen-layout-list .fpen-items {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* Mỗi item trong lưới: tách biệt bằng khoảng cách cột, không margin-phải */
.fpen-layout-grid .fpen-item {
  break-inside: avoid;
  page-break-inside: avoid;
  -webkit-column-break-inside: avoid;
  display: inline-block;
  width: 100%;
  vertical-align: top;
  margin-bottom: 14px;
}

.fpen-item {
  min-width: 0;
}

/* ============================================================
   4. CARD FRAME
   ============================================================ */
.fpen-frame {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 0;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.97) 0%, rgba(250, 248, 245, 0.99) 42%, rgba(252, 250, 255, 0.96) 100%),
    var(--fpen-card-bg);
  border: 1px solid var(--fpen-border);
  border-radius: var(--fpen-radius);
  padding: 0;
  box-shadow: var(--fpen-shadow);
  transition:
    border-color 0.28s ease,
    box-shadow   0.32s ease,
    transform    0.28s ease;
  overflow: visible;
  break-inside: avoid;
  page-break-inside: avoid;
  -webkit-column-break-inside: avoid;
}

.fpen-item:hover .fpen-frame {
  border-color: var(--fpen-accent-soft);
  box-shadow: var(--fpen-shadow-hov);
  transform: translateY(-3px);
}

/* ============================================================
   5. CARD TOP — badge + counter
   ============================================================ */
.fpen-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--fpen-line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(245, 242, 237, 0.35) 100%);
}

/* ============================================================
   6. BADGE & COUNTER — pill nhẹ, không nặng nề
   ============================================================ */
.fpen-badge,
.fpen-counter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 3px 10px;
  border-radius: 6px;
  font-family: var(--fpen-font);
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.fpen-badge {
  color: var(--fpen-badge-other);
  background: var(--fpen-badge-bg-other);
  border: 1px solid rgba(45, 35, 30, 0.06);
  box-shadow: 0 1px 2px rgba(30, 24, 20, 0.04);
}

.fpen-type-reel .fpen-badge {
  color: var(--fpen-badge-reel);
  background: var(--fpen-badge-bg-reel);
}

.fpen-type-video .fpen-badge {
  color: var(--fpen-badge-video);
  background: var(--fpen-badge-bg-video);
}

.fpen-type-post .fpen-badge {
  color: var(--fpen-badge-post);
  background: var(--fpen-badge-bg-post);
}

/* Số thứ tự — chỉ là chữ xám nhỏ, không khung, không nền */
.fpen-counter {
  color: #cbd5e1;
  background: transparent;
  border: none;
  font-variant-numeric: tabular-nums;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0;
  min-height: unset;
  letter-spacing: 0.01em;
}

/* ============================================================
   7. EMBED HOLDER
   ============================================================ */
.fpen-embed-holder {
  position: relative;
  /* Kéo khối XFBML lên, bù khoảng hở phía trên do span bọc iframe của Facebook */
  --fpen-widget-shift-y: -61px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin: 0;
  display: block;
  overflow: hidden;
  /* Bo góc dưới — trên thẳng, sát line dưới badge */
  border-radius: 0 0 var(--fpen-radius-in) var(--fpen-radius-in);
  background: #ffffff;
  line-height: 0;
}

/* Shortcode không bật badge → bo đủ 4 góc + viền nhẹ */
.fpen-frame:not(:has(.fpen-card-top)) .fpen-embed-holder {
  border-radius: var(--fpen-radius-in);
  border: 1px solid var(--fpen-border);
}

/* ============================================================
   8. SKELETON LOADING
   ============================================================ */
.fpen-embed-holder.fpen-embed-loading {
  background: linear-gradient(110deg, #f1f5f9 0%, #e8edf2 45%, #f1f5f9 90%);
  background-size: 200% 100%;
  animation: fpen-skeleton 1.4s ease-in-out infinite;
  border-radius: 0 0 var(--fpen-radius-in) var(--fpen-radius-in);
  border-top: 1px solid var(--fpen-border);
}

@keyframes fpen-skeleton {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.fpen-embed-holder.fpen-embed-loading[data-fpen-embed-type="post"] {
  min-height: min(420px, 65vh);
}

.fpen-embed-holder.fpen-embed-loading[data-fpen-embed-type="video"] {
  aspect-ratio: 16 / 9;
  min-height: 180px;
}

.fpen-embed-holder.fpen-embed-loading[data-fpen-embed-type="reel"] {
  aspect-ratio: 9 / 16;
  min-height: 300px;
  max-height: min(560px, 75vh);
}

.fpen-frame:not(:has(.fpen-card-top)) .fpen-embed-holder.fpen-embed-loading {
  border-top: 1px solid var(--fpen-border);
  border-radius: var(--fpen-radius-in);
}

/* ============================================================
   9. EMBED READY
   ============================================================ */
.fpen-embed-holder.fpen-embed-ready {
  animation: none;
  background: transparent;
}

.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="post"],
.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="video"],
.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="reel"] {
  min-height: 0;
  max-height: none;
  aspect-ratio: unset;
}

/* clip-path: cắt vùng trắng / chrome FB; đáy cắt gọn khoảng hở trước nút CTA */
.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="video"] iframe {
  -webkit-clip-path: inset(var(--fpen-clip-video) 0 var(--fpen-clip-video-bottom) 0);
          clip-path: inset(var(--fpen-clip-video) 0 var(--fpen-clip-video-bottom) 0);
}

.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="reel"] iframe {
  -webkit-clip-path: inset(var(--fpen-clip-reel) 0 var(--fpen-clip-reel-bottom) 0);
          clip-path: inset(var(--fpen-clip-reel) 0 var(--fpen-clip-reel-bottom) 0);
}

.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="post"] iframe {
  -webkit-clip-path: inset(var(--fpen-clip-post) 0 var(--fpen-clip-post-bottom) 0);
          clip-path: inset(var(--fpen-clip-post) 0 var(--fpen-clip-post-bottom) 0);
}

/* ============================================================
   10. FACEBOOK IFRAME HELPERS
   ============================================================ */
.fpen-embed-holder .fb-post,
.fpen-embed-holder .fb-video {
  width: 100% !important;
  max-width: 100% !important;
  overflow: hidden !important;
  margin-top: 0 !important;
  vertical-align: top;
}

.fpen-embed-holder .fb_iframe_widget,
.fpen-embed-holder .fb_iframe_widget span,
.fpen-embed-holder .fb-post > span,
.fpen-embed-holder .fb-video > span {
  width: 100% !important;
  max-width: 100% !important;
}

.fpen-embed-holder iframe {
  width: 100% !important;
  max-width: 100% !important;
  display: block;
  margin-left: auto !important;
  margin-right: auto !important;
  vertical-align: bottom;
}

.fpen-embed-holder .fb_iframe_widget,
.fpen-embed-holder .fb_iframe_widget span,
.fpen-embed-holder .fb-post > span,
.fpen-embed-holder .fb-video > span {
  display: block;
  overflow: hidden !important;
  margin-left: auto !important;
  margin-right: auto !important;
  line-height: 0;
}

/* Span bọc iframe: bù hở trên; margin-bottom âm thu layout sau khi clip đáy */
.fpen-embed-holder .fb-post > span,
.fpen-embed-holder .fb-video > span {
  position: relative;
  top: var(--fpen-widget-shift-y, -61px);
}

/* ============================================================
   X. HOVER — GRAYSCALE → MÀU
   ============================================================ */
/* Mặc định: tất cả nội dung embed ở chế độ đen trắng */
.fpen-embed-holder .fb-post,
.fpen-embed-holder .fb-video,
.fpen-embed-holder .fb_iframe_widget,
.fpen-embed-holder .fb_iframe_widget span,
.fpen-embed-holder .fb-post > span,
.fpen-embed-holder .fb-video > span,
.fpen-embed-holder iframe {
  filter: grayscale(1) !important;
  transition: filter 0.45s ease !important;
}

/* Hover item → lên màu đầy đủ */
.fpen-item:hover .fpen-embed-holder .fb-post,
.fpen-item:hover .fpen-embed-holder .fb-video,
.fpen-item:hover .fpen-embed-holder .fb_iframe_widget,
.fpen-item:hover .fpen-embed-holder .fb_iframe_widget span,
.fpen-item:hover .fpen-embed-holder .fb-post > span,
.fpen-item:hover .fpen-embed-holder .fb-video > span,
.fpen-item:hover .fpen-embed-holder iframe {
  filter: grayscale(0) !important;
}

/* Skeleton loading giữ nguyên (chưa có iframe) */
.fpen-embed-holder.fpen-embed-loading {
  filter: none !important;
}

.fpen-item:hover .fpen-embed-holder.fpen-embed-loading {
  filter: none !important;
}

.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="post"] .fb-post > span {
  margin-bottom: var(--fpen-pull-post-bottom);
}

.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="video"] .fb-video > span {
  margin-bottom: var(--fpen-pull-video-bottom);
}

.fpen-embed-holder.fpen-embed-ready[data-fpen-embed-type="reel"] .fb-video > span {
  margin-bottom: var(--fpen-pull-reel-bottom);
}

/* ============================================================
   11. ACTIONS — CTA
   ============================================================ */
.fpen-actions {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  margin-top: -2px;
  padding: 6px 12px 8px;
  box-sizing: border-box;
  background: linear-gradient(180deg, rgba(243, 240, 235, 0.92) 0%, rgba(237, 232, 226, 0.98) 100%);
  border-radius: 0 0 calc(var(--fpen-radius) - 1px) calc(var(--fpen-radius) - 1px);
  flex-shrink: 0;
  clear: both;
}

.fpen-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  box-sizing: border-box;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: #44403c !important;
  text-align: center;
  text-decoration: none;
  font-family: var(--fpen-font);
  font-weight: 600;
  font-size: 0.72rem;
  line-height: 1.25;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(45, 35, 30, 0.1);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  transition:
    background   0.2s ease,
    border-color 0.2s ease,
    box-shadow   0.2s ease,
    transform    0.2s ease,
    color        0.2s ease;
}

.fpen-link-label::after {
  content: " \2197";
  font-size: 0.95em;
  opacity: 0.45;
  letter-spacing: 0;
}

.fpen-link:hover {
  background: linear-gradient(135deg, #fff 0%, #faf7f4 100%);
  border-color: var(--fpen-accent-soft);
  box-shadow: 0 4px 14px rgba(30, 24, 20, 0.08);
  transform: translateY(-1px);
  text-decoration: none;
  color: var(--fpen-accent) !important;
}

.fpen-link:focus-visible {
  outline: 2px solid rgba(139, 74, 69, 0.45);
  outline-offset: 2px;
}

/* ============================================================
   12. PAGINATION
   ============================================================ */
.fpen-front-pager {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
  margin-top: 24px;
  padding-top: 6px;
}

.fpen-front-pager a,
.fpen-front-pager span {
  display: inline-flex;
  min-width: 42px;
  height: 42px;
  padding: 0 13px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  color: #64748b;
  text-decoration: none;
  font-family: var(--fpen-font);
  font-weight: 700;
  font-size: 0.84rem;
  font-variant-numeric: tabular-nums;
  box-sizing: border-box;
  transition:
    background   0.15s ease,
    border-color 0.15s ease,
    color        0.15s ease;
}

.fpen-front-pager a:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
  color: #334155;
}

.fpen-front-pager .current {
  background: #0f172a;
  border-color: #0f172a;
  color: #ffffff;
}

/* ============================================================
   13. EMPTY & ADMIN
   ============================================================ */
.fpen-empty {
  padding: 18px 20px;
  border: 1px dashed #e2e8f0;
  border-radius: var(--fpen-radius);
  color: #94a3b8;
  background: var(--fpen-surface);
  text-align: center;
  line-height: 1.6;
  font-family: var(--fpen-font);
  font-size: 0.92rem;
}

.fpen-admin-warning {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  font-family: var(--fpen-font);
  font-weight: 600;
}

/* ============================================================
   14. RESPONSIVE
   ============================================================ */
@media (max-width: 1280px) {
  .fpen-shell { width: min(94vw, 1280px); }
  .fpen-layout-grid.fpen-cols-6 .fpen-items,
  .fpen-layout-grid.fpen-cols-5 .fpen-items { column-count: 4; }
  .fpen-layout-grid.fpen-cols-4 .fpen-items { column-count: 3; }
}

@media (max-width: 960px) {
  .fpen-shell { width: min(94vw, 1000px); }
  .fpen-layout-grid.fpen-cols-6 .fpen-items,
  .fpen-layout-grid.fpen-cols-5 .fpen-items,
  .fpen-layout-grid.fpen-cols-4 .fpen-items,
  .fpen-layout-grid.fpen-cols-3 .fpen-items { column-count: 2; }
}

@media (max-width: 767px) {
  .fpen-wrap {
    margin: 20px 0;
    --fpen-gap-v: 20px;
    --fpen-radius: 13px;
    --fpen-radius-in: 8px;
  }

  .fpen-shell { width: min(94vw, 720px); }

  .fpen-head { text-align: left; margin-bottom: 18px; }
  .fpen-heading { font-size: clamp(1.4rem, 6vw, 1.85rem); }

  /* Lưới 1 cột trên mobile */
  .fpen-layout-grid .fpen-items {
    column-count: 1 !important;
    column-gap: 0;
  }

  .fpen-layout-grid .fpen-item {
    margin-bottom: 14px;
  }

  .fpen-card-top {
    padding: 10px 12px 9px;
  }

  .fpen-actions {
    padding: 9px 12px 11px;
  }

  .fpen-link {
    padding: 8px 11px;
    font-size: 0.78rem;
  }

  .fpen-front-pager a,
  .fpen-front-pager span {
    min-width: 38px;
    height: 38px;
    padding: 0 11px;
  }
}

/* ============================================================
   15. ELEMENTOR COMPATIBILITY
   ============================================================ */
.elementor-widget-shortcode .fpen-wrap,
.elementor-widget-html .fpen-wrap {
  margin-left: 0;
  margin-right: 0;
}