.fbss {
  --fbss-primary: #2563eb;
  --fbss-primary-dark: #1d4ed8;
  --fbss-primary-soft: #eff6ff;
  --fbss-text: #111827;
  --fbss-muted: #64748b;
  --fbss-border: #dbe4f0;
  --fbss-surface: #ffffff;
  --fbss-page: #f7f9fc;
  --fbss-success: #087443;
  --fbss-danger: #b42318;
  --fbss-warning: #8a5b00;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  color: var(--fbss-text);
  font-family: inherit;
  box-sizing: border-box;
}

.fbss *, .fbss *::before, .fbss *::after { box-sizing: border-box; }
.fbss [hidden] { display: none !important; }
.fbss svg { display: block; fill: currentColor; }
.fbss button, .fbss input { font: inherit; }

.fbss-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.fbss-hero {
  position: relative;
  overflow: hidden;
  padding: 62px 36px 34px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 12% 8%, rgba(96, 165, 250, .30), transparent 34%),
    radial-gradient(circle at 91% 12%, rgba(139, 92, 246, .22), transparent 31%),
    linear-gradient(145deg, #f8fbff 0%, #eef5ff 52%, #f8f7ff 100%);
  border: 1px solid #e3eaf6;
  text-align: center;
}

.fbss-hero::after {
  content: "";
  position: absolute;
  inset: auto -130px -210px auto;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  background: rgba(37, 99, 235, .07);
  pointer-events: none;
}

.fbss-eyebrow {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 12px 7px 8px;
  border: 1px solid rgba(37, 99, 235, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: #33547f;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .01em;
}

.fbss-fb-mark {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: #1877f2;
  color: #fff;
  font-family: Arial, sans-serif;
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
}

.fbss h2 {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  color: #0f172a;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: -.035em;
  font-weight: 800;
}

.fbss-hero-copy {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 18px auto 30px;
  color: #536277;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.7;
}

.fbss-tool-card {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 18px;
  border: 1px solid rgba(199, 211, 227, .95);
  border-radius: 18px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 18px 50px rgba(31, 62, 108, .10);
  text-align: left;
}

.fbss-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.fbss-input-wrap {
  position: relative;
  min-width: 0;
}

.fbss-link-icon {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 22px;
  height: 22px;
  color: #8290a5;
  transform: translateY(-50%);
  pointer-events: none;
}

.fbss input[type="url"] {
  display: block;
  width: 100%;
  min-height: 58px;
  margin: 0;
  padding: 13px 84px 13px 49px;
  border: 1px solid #cdd8e7;
  border-radius: 12px;
  outline: none;
  background: #fff;
  color: #172033;
  font-size: 15px;
  line-height: 1.4;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, .03);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.fbss input[type="url"]::placeholder { color: #93a0b2; }
.fbss input[type="url"]:focus {
  border-color: #7aa7f8;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
}

.fbss-paste {
  position: absolute;
  top: 50%;
  right: 9px;
  min-width: 58px;
  padding: 7px 9px;
  border: 0;
  border-radius: 8px;
  background: #f1f5f9;
  color: #44546b;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transform: translateY(-50%);
}

.fbss-paste:hover { background: #e7edf5; }

.fbss-submit,
.fbss-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 58px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--fbss-primary), #3978ee);
  color: #fff !important;
  text-decoration: none !important;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(37, 99, 235, .22);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.fbss-submit { min-width: 150px; padding: 0 22px; }
.fbss-submit svg, .fbss-download svg { width: 20px; height: 20px; }
.fbss-submit:hover, .fbss-download:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--fbss-primary-dark), #2867dc);
  box-shadow: 0 14px 27px rgba(37, 99, 235, .25);
}

.fbss-submit:disabled {
  opacity: .65;
  cursor: wait;
  transform: none;
  box-shadow: none;
}

.fbss-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 13px 2px 0;
  color: #69778a;
  font-size: 12px;
  line-height: 1.5;
}

.fbss-consent input {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin: 2px 0 0;
  accent-color: var(--fbss-primary);
}

.fbss-admin-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 9px;
  color: #8a98aa;
  font-size: 11px;
}

.fbss-check {
  padding: 5px 8px;
  border: 1px solid #d7e0ec;
  border-radius: 7px;
  background: #f8fafc;
  color: #526176;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.fbss-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  padding: 14px 15px;
  border: 1px solid #cfe0ff;
  border-radius: 12px;
  background: #f4f8ff;
  color: #244c85;
}

.fbss-spinner {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border: 3px solid #cfe0ff;
  border-top-color: var(--fbss-primary);
  border-radius: 50%;
  animation: fbss-spin .8s linear infinite;
}

@keyframes fbss-spin { to { transform: rotate(360deg); } }

.fbss-progress strong,
.fbss-progress span { display: block; }
.fbss-progress-title { margin-bottom: 3px; font-size: 13px; }
.fbss-progress-copy { color: #6480a5; font-size: 12px; line-height: 1.45; }

.fbss-status {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: #f6f8fb;
  color: #526176;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.fbss-status.fbss-error { background: #fff3f2; color: var(--fbss-danger); }
.fbss-status.fbss-success { background: #eefaf4; color: var(--fbss-success); }

.fbss-warnings { margin-top: 10px; color: var(--fbss-warning); font-size: 12px; line-height: 1.55; }
.fbss-warnings p { margin: 6px 0 0; }

.fbss-benefits {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 26px;
  margin-top: 24px;
  color: #607087;
  font-size: 13px;
  font-weight: 600;
}

.fbss-benefits span { display: inline-flex; align-items: center; gap: 7px; }
.fbss-benefits svg { width: 17px; height: 17px; color: #16a26a; }

.fbss-results-section { padding: 54px 0 12px; }
.fbss-results-heading { max-width: 680px; margin: 0 auto 25px; text-align: center; }
.fbss-section-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--fbss-primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.fbss-results-heading h3,
.fbss-howto-head h3 {
  margin: 0;
  color: #111827;
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.fbss-results-heading p,
.fbss-howto-head p {
  margin: 10px auto 0;
  color: var(--fbss-muted);
  font-size: 14px;
  line-height: 1.65;
}

.fbss-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 22px;
  max-width: 950px;
  margin: 0 auto;
}

.fbss-card {
  overflow: hidden;
  border: 1px solid var(--fbss-border);
  border-radius: 16px;
  background: var(--fbss-surface);
  box-shadow: 0 12px 32px rgba(31, 48, 74, .08);
}

.fbss-media-frame {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  background: #0d1118;
}

.fbss-card img,
.fbss-card video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  max-height: 560px;
  aspect-ratio: 9 / 16;
  object-fit: contain;
  background: #0d1118;
}

.fbss-media-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(15, 23, 42, .82);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  backdrop-filter: blur(7px);
}

.fbss-preview-error {
  position: absolute;
  inset: auto 12px 12px;
  padding: 10px 12px;
  border-radius: 9px;
  background: rgba(180, 35, 24, .92);
  color: #fff;
  font-size: 12px;
  line-height: 1.45;
}

.fbss-card-body { padding: 17px; }
.fbss-card-body h4 { margin: 0 0 6px; color: #172033; font-size: 17px; line-height: 1.3; }
.fbss-card-meta { margin: 0 0 15px; color: #718096; font-size: 12px; }
.fbss-download { width: 100%; min-height: 48px; padding: 12px 16px; }

.fbss-howto {
  margin-top: 48px;
  padding: 46px 36px 36px;
  border: 1px solid #e4eaf2;
  border-radius: 22px;
  background: #fff;
}

.fbss-howto-head { max-width: 650px; margin: 0 auto 28px; text-align: center; }
.fbss-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.fbss-steps article {
  position: relative;
  min-height: 220px;
  padding: 22px;
  border: 1px solid #e4eaf2;
  border-radius: 16px;
  background: #fbfcfe;
}

.fbss-step-number {
  position: absolute;
  top: 18px;
  right: 18px;
  color: #d4dfef;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -.04em;
}

.fbss-step-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  border-radius: 13px;
  background: var(--fbss-primary-soft);
  color: var(--fbss-primary);
}
.fbss-step-icon svg { width: 24px; height: 24px; }
.fbss-steps h4 { margin: 0 0 9px; color: #182235; font-size: 16px; }
.fbss-steps p { margin: 0; color: #68778c; font-size: 13px; line-height: 1.65; }
.fbss-legal-note { margin: 24px auto 0; max-width: 800px; color: #8491a3; font-size: 11px; line-height: 1.6; text-align: center; }

.fbss button:focus-visible,
.fbss a:focus-visible,
.fbss input:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .30);
  outline-offset: 2px;
}

@media (max-width: 760px) {
  .fbss-hero { padding: 46px 18px 28px; border-radius: 18px; }
  .fbss-tool-card { padding: 13px; border-radius: 15px; }
  .fbss-input-row { grid-template-columns: 1fr; gap: 10px; }
  .fbss-submit { width: 100%; min-height: 54px; }
  .fbss input[type="url"] { min-height: 54px; }
  .fbss-benefits { gap: 9px 15px; }
  .fbss-howto { padding: 34px 18px 24px; border-radius: 18px; }
  .fbss-steps { grid-template-columns: 1fr; }
  .fbss-steps article { min-height: 0; }
}

@media (max-width: 420px) {
  .fbss-hero { padding-left: 12px; padding-right: 12px; }
  .fbss-hero-copy { margin-bottom: 22px; }
  .fbss-tool-card { padding: 10px; }
  .fbss input[type="url"] { padding-left: 42px; padding-right: 70px; font-size: 14px; }
  .fbss-link-icon { left: 13px; width: 19px; height: 19px; }
  .fbss-paste { right: 7px; min-width: 52px; }
  .fbss-benefits { flex-direction: column; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  .fbss *, .fbss *::before, .fbss *::after { scroll-behavior: auto !important; transition: none !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Multiple-story results only; the existing page and single preview stay intact. */
.fbss-results.fbss-results-list { grid-template-columns: minmax(0, 1fr); gap: 12px; }
.fbss-story-row-head { display: flex; align-items: center; gap: 16px; padding: 14px 18px; }
.fbss-story-toggle { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex: 1; min-width: 0; padding: 6px 0; border: 0; background: transparent; color: #172033; cursor: pointer; text-align: left; font: inherit; }
.fbss-story-row-label { display: grid; gap: 4px; }
.fbss-story-row-label strong { font-size: 16px; }
.fbss-story-row-meta { color: var(--fbss-muted); font-size: 12px; }
.fbss-story-row-hint { color: var(--fbss-primary); font-size: 13px; white-space: nowrap; }
.fbss-story-row-head > .fbss-download { width: auto; flex: 0 0 auto; min-height: 42px; padding: 10px 18px; }
.fbss-story-preview { padding: 0 18px 18px; }
.fbss-story-preview[hidden] { display: none !important; }
.fbss-story-preview .fbss-media-frame { max-width: 360px; margin: 0 auto; border-radius: 12px; }
@media (max-width: 540px) {
  .fbss-story-row-head { gap: 10px; padding: 12px; }
  .fbss-story-toggle { align-items: flex-start; flex-direction: column; gap: 5px; }
  .fbss-story-row-label strong { font-size: 14px; }
  .fbss-story-row-head > .fbss-download { padding: 10px 12px; font-size: 13px; }
  .fbss-story-preview { padding: 0 12px 12px; }
}