:root{
  --pdf-blue:#1E88E5;
  --pdf-red:#b32121;
  --pdf-font:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --pdf-z:300000;
  --pdf-radius:12px;
  --pdf-shadow:0 6px 25px rgba(0,0,0,.25);
}

/* Icône info badge */
.pdf-info-icon{
  display:inline-flex !important;
  align-items:center; justify-content:center;
  width:18px; height:18px; margin-left:6px;
  border-radius:50%;
  background:var(--pdf-blue); color:#fff;
  font-weight:800; font-size:12px; line-height:1;
  box-shadow:0 1px 2px rgba(0,0,0,.15);
  cursor:pointer; vertical-align:middle;
  transition:opacity .2s ease;
}
.pdf-info-icon::before{ content:"i"; font-family:var(--pdf-font); }
.pdf-info-icon:hover{ opacity:.9; }
.pdf-info-icon:focus{ outline:2px solid rgba(30,136,229,.35); outline-offset:2px; }

/* Overlay */
.pdf-aide-overlay{
  position:fixed; inset:0; z-index:var(--pdf-z);
  background:rgba(0,0,0,.55);
  display:flex; align-items:center; justify-content:center;
}

/* Modal */
.pdf-aide-modal{
  background:#fff; width:min(420px,92vw);
  border-radius:var(--pdf-radius);
  box-shadow:var(--pdf-shadow);
  padding:16px 18px; font-family:var(--pdf-font);
  animation:pdfFadeIn .25s ease;
}
@keyframes pdfFadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

.pdf-aide-header{ display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.pdf-aide-title{ margin:0; font-size:18px; color:#333; flex:1; }

.pdf-aide-headicon{
  width:28px; height:28px; border-radius:50%; background:var(--pdf-blue);
  position:relative; flex-shrink:0; box-shadow:0 1px 2px rgba(0,0,0,.15);
}
.pdf-aide-headicon::before{
  content:"i"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:#fff; font-weight:800; font-size:18px; font-family:var(--pdf-font);
}

.pdf-aide-close{
  appearance:none; border:0; background:transparent;
  font-size:22px; line-height:1; color:#666; cursor:pointer;
}
.pdf-aide-close:hover{ color:#222; }

.pdf-aide-body{ font-size:15px; color:#444; line-height:1.6; }
.pdf-aide-body p{ margin:10px 0; }
.pdf-aide-body ul{ margin:10px 0 14px 18px; padding:0; }
.pdf-aide-body li{ margin-bottom:6px; }

.pdf-aide-actions{ display:flex; flex-direction:column; gap:10px; margin-top:14px; }
.pdf-aide-btn{
  width:100%; padding:12px; border:0; border-radius:8px; cursor:pointer;
  font-size:15px; font-weight:600;
}
.pdf-aide-btn.normal{ background:#e0e0e0; }
.pdf-aide-btn.download{ background:#f3f3f3; }
.pdf-aide-btn.reader{ background:var(--pdf-red); color:#fff; }

.pdf-aide-store{ color:var(--pdf-red); font-weight:700; text-decoration:none; }
.pdf-aide-store:hover{ text-decoration:underline; }

a.pdf-aide-link{ /* hook JS */ }