:root{
  --paper:#f6f1e7; --ink:#2b2620; --muted:#8a8172; --line:#d8cfbe;
  --red:#a83232; --redsoft:#c25b4a; --card:#fffdf8; --shadow:rgba(40,32,20,.14);
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;
  justify-content:space-between;gap:12px;padding:12px 16px;background:var(--paper);
  border-bottom:1px solid var(--line)}
.brand{font-family:Georgia,serif;font-size:16px;display:inline-flex;align-items:center;gap:7px}
.topmark{width:15px;height:15px;flex:0 0 auto}
.progress{display:flex;gap:3px;flex:1;max-width:180px}
.progress .dot{height:4px;flex:1;background:var(--line);border-radius:4px}
.progress .dot.on{background:var(--red)}
.thread{position:relative;max-width:520px;margin:0 auto;padding:22px 0 80px;min-height:80vh}
.spine{position:absolute;left:50%;top:0;bottom:0;width:3px;
  background:linear-gradient(var(--red),var(--redsoft));transform:translateX(-50%)}
.node{position:relative;display:flex;align-items:center;margin:0 0 14px;padding:0 16px}
.node .knob{position:absolute;left:50%;transform:translateX(-50%);width:16px;height:16px;
  border-radius:50%;background:var(--red);border:3px solid var(--paper);z-index:2}
.node .lab{background:var(--card);border:1px solid var(--line);border-radius:22px;
  padding:8px 14px;font-family:Georgia,serif;font-size:14px;cursor:pointer}
.node.right{justify-content:flex-end}
.node.done .knob{background:var(--redsoft)}
.node .lab:focus-visible{outline:2px solid var(--red)}
.overlay{position:fixed;inset:0;background:rgba(30,24,16,.5);display:flex;
  align-items:flex-end;justify-content:center;z-index:10}
.overlay[hidden]{display:none}
.sheet{background:var(--paper);width:100%;max-width:520px;max-height:92vh;overflow:auto;
  border-radius:20px 20px 0 0;padding:20px 18px 40px;position:relative}
.close{position:absolute;top:12px;right:12px;border:none;background:transparent;
  font-size:18px;color:var(--muted)}
.kicker{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--redsoft);font-weight:700}
.hero-illu{width:100%;border-radius:14px;margin:10px 0;display:block}
.gancho{font-size:16px;line-height:1.55;margin:6px 0 14px}
.versec{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--red);
  border-radius:10px;padding:12px;font-family:Georgia,serif;font-size:15px;line-height:1.55}
.ref{font-size:11px;color:var(--muted);margin-top:6px}
.reflexao{font-size:15px;line-height:1.6;margin:14px 0}
.selah{font-family:Georgia,serif;font-style:italic;color:var(--red);font-size:15px}
.lineage{display:flex;align-items:center;gap:8px;justify-content:center;
  color:var(--muted);font-size:12px;margin:16px 0 4px}
.timeline{overflow-x:auto;white-space:nowrap;padding:10px 0;margin-top:12px;
  border-top:1px dashed var(--line)}
.timeline .pt{display:inline-block;padding:4px 10px;margin-right:6px;border-radius:14px;
  background:var(--card);border:1px solid var(--line);font-size:12px}
.timeline .pt.cur{border-color:var(--red);color:var(--red);font-weight:600}
.next{display:block;width:100%;margin-top:18px;background:var(--red);color:#fff;border:none;
  border-radius:24px;padding:12px;font-size:15px;font-weight:600}
.audio-bar{display:flex;align-items:center;gap:12px;background:#faf3e2;
  border:1px solid var(--line);border-radius:14px;padding:10px 12px;margin:10px 0}
.play-btn{width:44px;height:44px;flex:0 0 auto;border:none;border-radius:50%;
  background:var(--red);color:#fff;font-size:14px;cursor:pointer}
.play-label{font-size:13px;color:#5f584b}
.wall{max-width:420px;margin:8px auto;text-align:center;padding:8px 4px}
.wall-kicker{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--redsoft);font-weight:700}
.wall-text{font-size:15px;line-height:1.55;color:#4a4034;margin:10px 0 16px}
.wall-input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:15px;margin-bottom:10px;background:var(--card)}
.wall-btn{display:block;width:100%;background:var(--red);color:#fff;text-decoration:none;border:none;
  border-radius:24px;padding:12px;font-size:15px;font-weight:600;cursor:pointer}
.wall-msg{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.5}
.node.locked .lab::after{content:" \1F512";font-size:11px;opacity:.6}