/* CSS */
.fb-download-card{
  --bg:#ffffff;
  --ink:#1d2433;
  --muted:#5d677a;
  --line:rgba(20,30,50,.10);
  --shadow:0 18px 60px rgba(20,30,50,.12);
  --radius:18px;
  --red:#d81f26;

  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 300px at 80% 20%, rgba(216,31,38,.12), transparent 65%),
    radial-gradient(700px 260px at 10% 40%, rgba(30,70,200,.08), transparent 60%),
    var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  max-width: 980px;
}

.fb-download-inner{
  display:flex;
  gap: 22px;
  align-items:center;
}

.fb-download-left{
  flex: 0 0 270px;
}

.fb-download-thumb{
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px;
  box-shadow: 0 12px 32px rgba(20,30,50,.10);
}

.fb-download-thumb img{
  width:100%;
  height:auto;
  display:block;
  border-radius: 12px;
}

.fb-download-right{
  flex: 1 1 auto;
  min-width: 0;
}

.fb-download-eyebrow{
  display:inline-block;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.fb-download-title{
  margin: 0 0 6px;
  font-size: 28px;
  line-height: 1.15;
}

.fb-download-subtitle{
  margin: 0 0 8px;
  color: var(--ink);
  font-weight: 600;
}

.fb-download-tip{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.fb-download-actions{
  margin-top: 18px;
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}

.fb-btn{
  border: 0;
  cursor: pointer;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  transition: transform .08s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease;
  user-select:none;
}

.fb-btn:active{ transform: translateY(1px); }

.fb-btn-ghost{
  background: rgba(255,255,255,.75);
  border: 1px solid var(--line);
  color: var(--ink);
  box-shadow: 0 10px 26px rgba(20,30,50,.10);
}

.fb-btn-ghost:hover{
  background: #fff;
  box-shadow: 0 14px 34px rgba(20,30,50,.14);
}

.fb-btn-primary{
  background: linear-gradient(180deg, #ff3a3f, var(--red));
  color: #fff;
  box-shadow: 0 16px 40px rgba(216,31,38,.25);
}

.fb-btn-primary:hover{
  box-shadow: 0 18px 48px rgba(216,31,38,.32);
}

@media (max-width: 720px){
  .fb-download-card{ padding: 16px; }
  .fb-download-inner{ flex-direction: column; align-items: stretch; }
  .fb-download-left{ flex-basis: auto; }
  .fb-download-title{ font-size: 22px; }
  .fb-download-actions .fb-btn{ flex: 1 1 160px; }
}

/* Lightbox */
.fb-lightbox{
  position: fixed;
  inset: 0;
  display: none;
  z-index: 9999;
}

.fb-lightbox.is-open{ display:block; }

.fb-lightbox-backdrop{
  position:absolute;
  inset:0;
  background: rgba(10,14,22,.62);
  backdrop-filter: blur(6px);
}

.fb-lightbox-panel{
  position: relative;
  max-width: 920px;
  width: min(920px, calc(100% - 32px));
  margin: 24px auto;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 30px 90px rgba(0,0,0,.35);
  overflow: hidden;
}

.fb-lightbox-img{
  width: 100%;
  height: auto;
  display: block;
}

.fb-lightbox-close{
  position:absolute;
  top: 10px;
  right: 10px;
  border: 0;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 10px 24px rgba(20,30,50,.18);
  font-size: 18px;
  line-height: 40px;
}