/* ============================================================
   Stackbirds Playbook Topper — shared component
   Workflow thumbnail filmstrip + header box + voiceover bar
   Self-contained palette (mirrors stackbirds.xyz), scoped .sbpb-*
   ============================================================ */
.sbpb{
  --pb-cream:#FFF8F3;--pb-cream2:#FFF3EC;--pb-paper:#fff;--pb-ink:#1B1530;--pb-ink-soft:#3A3450;
  --pb-muted:#6B6480;--pb-line:#EFE4DB;--pb-line2:#E4D6CB;--pb-coral:#FF6B5B;--pb-coral2:#FF8A6B;
  --pb-violet:#8B6BFF;--pb-sun:#FFD36E;--pb-green:#2BB178;
  --pb-grad:linear-gradient(100deg,#FF6B5B,#FF8A6B 35%,#8B6BFF);
  position:relative;z-index:5;
  background:
    radial-gradient(60% 80% at 12% 0%,rgba(255,181,158,.45),transparent 60%),
    radial-gradient(50% 70% at 92% 10%,rgba(201,184,255,.40),transparent 60%),
    linear-gradient(var(--pb-cream),var(--pb-cream2));
  border-bottom:1px solid var(--pb-line);
  font-family:"Inter",-apple-system,system-ui,sans-serif;color:var(--pb-ink);
  padding:26px 0 30px;
}
.sbpb *{box-sizing:border-box;}
.sbpb-wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
.sbpb-kicker{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--pb-coral);
  display:inline-flex;align-items:center;gap:9px;margin-bottom:13px;}
.sbpb-kicker::before{content:"";width:22px;height:1.5px;background:var(--pb-coral);display:inline-block;}

/* ---------- 1. WORKFLOW THUMBNAIL FILMSTRIP ---------- */
.sbpb-film{position:relative;}
.sbpb-film-track{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--pb-line2) transparent;}
.sbpb-film-track::-webkit-scrollbar{height:7px;}
.sbpb-film-track::-webkit-scrollbar-thumb{background:var(--pb-line2);border-radius:99px;}
.sbpb-frame{flex:0 0 auto;width:188px;scroll-snap-align:start;background:var(--pb-paper);
  border:1px solid var(--pb-line);border-radius:13px;overflow:hidden;box-shadow:0 1px 2px rgba(27,21,48,.04),0 8px 22px rgba(27,21,48,.06);
  transition:transform .18s cubic-bezier(.22,.61,.36,1),box-shadow .18s,border-color .18s;}
.sbpb-frame:hover{transform:translateY(-3px);box-shadow:0 4px 8px rgba(27,21,48,.05),0 20px 44px rgba(27,21,48,.12);border-color:var(--pb-line2);}
.sbpb-frame .cap{height:60px;position:relative;display:flex;align-items:flex-end;padding:9px 11px;}
.sbpb-frame .cap b{position:relative;z-index:2;font-family:"Fraunces",Georgia,serif;font-weight:600;font-size:15.5px;color:#fff;line-height:1.05;text-shadow:0 1px 8px rgba(0,0,0,.28);}
.sbpb-frame .cap .dots{position:absolute;top:9px;left:11px;display:flex;gap:5px;z-index:2;}
.sbpb-frame .cap .dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.6);}
.sbpb-frame .num{position:absolute;top:7px;right:10px;z-index:2;font-size:11px;font-weight:800;letter-spacing:.08em;
  color:rgba(255,255,255,.92);background:rgba(0,0,0,.18);border-radius:99px;padding:2px 8px;backdrop-filter:blur(2px);}
.sbpb-frame p{margin:0;padding:11px 12px 14px;font-size:12.5px;line-height:1.5;color:var(--pb-muted);}
.sbpb-frame:nth-child(7n+1) .cap{background:linear-gradient(135deg,#FF6B5B,#FF8A6B);}
.sbpb-frame:nth-child(7n+2) .cap{background:linear-gradient(135deg,#8B6BFF,#C9B8FF);}
.sbpb-frame:nth-child(7n+3) .cap{background:linear-gradient(135deg,#2BB178,#A7E8C8);}
.sbpb-frame:nth-child(7n+4) .cap{background:linear-gradient(135deg,#FF8A6B,#FFD36E);}
.sbpb-frame:nth-child(7n+5) .cap{background:linear-gradient(135deg,#4F8DFF,#B4DBFF);}
.sbpb-frame:nth-child(7n+6) .cap{background:linear-gradient(135deg,#E1306C,#FFD5E5);}
.sbpb-frame:nth-child(7n+7) .cap{background:linear-gradient(135deg,#1B1530,#3A3450);}
.sbpb-film-hint{font-size:12px;color:var(--pb-muted);margin:2px 0 0;}

/* ---------- 2. MAIN HEADER BOX ---------- */
.sbpb-box{margin-top:20px;background:var(--pb-paper);border:1px solid var(--pb-line);border-radius:22px;
  box-shadow:0 2px 6px rgba(27,21,48,.05),0 22px 50px -28px rgba(27,21,48,.30);
  padding:30px 32px;display:grid;grid-template-columns:1.45fr .55fr;gap:26px;align-items:center;}
.sbpb-box .lead{min-width:0;}
.sbpb-box h1{font-family:"Fraunces",Georgia,serif;font-weight:450;letter-spacing:-.02em;line-height:1.04;
  font-size:clamp(28px,4vw,44px);margin:0;color:var(--pb-ink);}
.sbpb-box h1 em{font-style:italic;background:var(--pb-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.sbpb-box .sub{margin:13px 0 0;font-size:16.5px;line-height:1.55;color:var(--pb-ink-soft);max-width:40em;}
.sbpb-box .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.sbpb-pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--pb-ink-soft);
  background:#fff;border:1px solid var(--pb-line);border-radius:99px;padding:6px 12px;}
.sbpb-pill .d{width:7px;height:7px;border-radius:50%;background:var(--pb-coral);}
.sbpb-aside{border-left:1px solid var(--pb-line);padding-left:24px;}
.sbpb-aside .lbl{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--pb-muted);}
.sbpb-hub{display:inline-flex;align-items:center;gap:9px;margin-top:12px;font-family:inherit;font-weight:600;font-size:15px;
  background:var(--pb-ink);color:#fff;border-radius:999px;padding:13px 20px;text-decoration:none;width:100%;justify-content:center;
  transition:background .2s,transform .16s,box-shadow .2s;box-shadow:0 6px 18px -10px rgba(27,21,48,.7);}
.sbpb-hub:hover{background:var(--pb-coral);transform:translateY(-1px);box-shadow:0 12px 26px -10px rgba(255,107,91,.6);}
.sbpb-hub.ghost{background:transparent;color:var(--pb-ink);border:1.5px solid var(--pb-line2);box-shadow:none;margin-top:9px;}
.sbpb-hub.ghost:hover{background:rgba(27,21,48,.04);border-color:var(--pb-ink);color:var(--pb-ink);}

/* ---------- 3. VOICEOVER BAR ---------- */
.sbpb-vo{margin-top:16px;display:flex;align-items:center;gap:16px;background:var(--pb-paper);border:1px solid var(--pb-line);
  border-radius:16px;padding:14px 18px;box-shadow:0 1px 2px rgba(27,21,48,.04),0 10px 26px -18px rgba(27,21,48,.3);}
.sbpb-play{flex:0 0 auto;width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;display:grid;place-items:center;
  background:var(--pb-grad);color:#fff;box-shadow:0 8px 20px -8px rgba(255,107,91,.7);transition:transform .16s,box-shadow .2s;position:relative;}
.sbpb-play:hover{transform:translateY(-1px) scale(1.03);}
.sbpb-play:active{transform:scale(.96);}
.sbpb-play svg{width:20px;height:20px;}
.sbpb-play .ic-pause{display:none;}
.sbpb.is-playing .sbpb-play .ic-play{display:none;}
.sbpb.is-playing .sbpb-play .ic-pause{display:block;}
.sbpb.is-playing .sbpb-play::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(255,107,91,.4);animation:sbpb-ring 1.8s ease-out infinite;}
@keyframes sbpb-ring{0%{transform:scale(.85);opacity:.8}100%{transform:scale(1.35);opacity:0}}
.sbpb-vo-body{flex:1;min-width:0;}
.sbpb-vo-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;}
.sbpb-vo-ttl{font-size:13.5px;font-weight:700;color:var(--pb-ink);display:flex;align-items:center;gap:8px;}
.sbpb-vo-ttl .wave{display:inline-flex;gap:2px;align-items:flex-end;height:13px;}
.sbpb-vo-ttl .wave i{width:2.5px;height:5px;background:var(--pb-coral);border-radius:2px;}
.sbpb.is-playing .sbpb-vo-ttl .wave i{animation:sbpb-wave .9s ease-in-out infinite;}
.sbpb-vo-ttl .wave i:nth-child(2){animation-delay:.15s}.sbpb-vo-ttl .wave i:nth-child(3){animation-delay:.3s}
.sbpb-vo-ttl .wave i:nth-child(4){animation-delay:.45s}.sbpb-vo-ttl .wave i:nth-child(5){animation-delay:.6s}
@keyframes sbpb-wave{0%,100%{height:5px}50%{height:13px}}
.sbpb-vo-time{font-size:12px;color:var(--pb-muted);font-variant-numeric:tabular-nums;}
.sbpb-track{position:relative;height:7px;border-radius:99px;background:#F0E7DF;cursor:pointer;overflow:hidden;}
.sbpb-fill{position:absolute;inset:0 100% 0 0;background:var(--pb-grad);border-radius:99px;transition:right .1s linear;}
.sbpb-hint{font-size:11.5px;color:var(--pb-muted);margin-top:7px;}

@media(max-width:820px){
  .sbpb-box{grid-template-columns:1fr;gap:20px;}
  .sbpb-aside{border-left:none;border-top:1px solid var(--pb-line);padding-left:0;padding-top:18px;}
  .sbpb-hub{width:auto;}
}
@media(max-width:560px){.sbpb-wrap{padding:0 18px;}.sbpb-frame{width:164px;}}