/* ==========================================================
   PDF Viewer Modal
   Shared component — included on all public pages.
   Pattern e palette allineati a iso-modal.css.
   ========================================================== */

/* Backdrop + dialog wrapper */
.pdf-modal{
  position:fixed; inset:0;
  z-index:200;
  display:none;
  align-items:center;
  justify-content:center;
  padding:16px;
  background:rgba(4,8,16,.82);
  -webkit-tap-highlight-color:transparent;
}
.pdf-modal[aria-hidden="false"]{display:flex}
body.pdf-modal-open{overflow:hidden}

/* Dialog card */
.pdf-modal__dialog{
  position:relative;
  width:min(1100px, 100%);
  height:min(900px, calc(100vh - 32px));
  background:#0b1220;
  border:1px solid var(--bd-2, #1a2236);
  border-radius:6px;
  box-shadow:0 24px 80px -20px rgba(0,0,0,.65), 0 0 0 1px rgba(0,180,216,.06);
  display:flex;
  flex-direction:column;
  overflow:hidden;
  transform:translateY(8px) scale(.985);
  opacity:0;
  transition:transform .22s cubic-bezier(.4,0,.2,1), opacity .22s ease;
}
.pdf-modal[aria-hidden="false"] .pdf-modal__dialog{
  transform:translateY(0) scale(1);
  opacity:1;
}

/* Header */
.pdf-modal__head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px 14px;
  border-bottom:1px solid var(--bd-2, #1a2236);
  flex:none;
}
.pdf-modal__eyebrow{
  font-family:"IBM Plex Mono", ui-monospace, Menlo, monospace;
  font-size:10px;
  letter-spacing:.18em;
  color:var(--muted, #8a93a6);
  text-transform:uppercase;
}
.pdf-modal__title{
  margin:4px 0 0;
  font-size:17px;
  font-weight:600;
  line-height:1.3;
  color:var(--ink, #e9eef7);
  letter-spacing:-.01em;
  word-break:break-word;
}
.pdf-modal__sub{
  margin:4px 0 0;
  font-size:12px;
  color:var(--ink-2, #c3cad9);
}

/* Close button */
.pdf-modal__close{
  flex:none;
  width:34px; height:34px;
  display:inline-flex; align-items:center; justify-content:center;
  background:transparent;
  color:var(--ink-2, #c3cad9);
  border:1px solid var(--bd-2, #1a2236);
  border-radius:3px;
  cursor:pointer;
  transition:background .15s, border-color .15s, color .15s;
}
.pdf-modal__close:hover{
  color:var(--cyan-400, #48CAE4);
  border-color:var(--cyan-500, #00B4D8);
  background:rgba(0,180,216,.04);
}
.pdf-modal__close:focus-visible{outline:2px solid var(--cyan-400, #48CAE4);outline-offset:2px}

/* Viewer area */
.pdf-modal__body{
  background:#1a1a1a;
  flex:1 1 auto;
  min-height:0;
  display:flex;
  position:relative;
}
.pdf-modal__iframe{
  width:100%;
  height:100%;
  border:none;
  background:#1a1a1a;
  display:block;
}
.pdf-modal__loader{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#1a1a1a;
  color:var(--muted, #8a93a6);
  font-family:"IBM Plex Mono", ui-monospace, Menlo, monospace;
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  pointer-events:none;
  transition:opacity .25s ease;
}
.pdf-modal__loader[hidden]{display:none}
.pdf-modal__spinner{
  width:14px; height:14px;
  border:2px solid rgba(0,180,216,.25);
  border-top-color:var(--cyan-400, #48CAE4);
  border-radius:50%;
  margin-right:10px;
  animation:pdf-spin .9s linear infinite;
}
@keyframes pdf-spin{to{transform:rotate(360deg)}}

/* Footer */
.pdf-modal__foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 20px;
  border-top:1px solid var(--bd-2, #1a2236);
  background:rgba(255,255,255,.01);
  flex-wrap:wrap;
  flex:none;
}
.pdf-modal__meta{
  display:flex; align-items:center; gap:10px;
  font-family:"IBM Plex Mono", ui-monospace, Menlo, monospace;
  font-size:11px;
  color:var(--muted, #8a93a6);
  letter-spacing:.04em;
}
.pdf-modal__meta .dot{
  width:6px; height:6px; border-radius:50%;
  background:var(--cyan-500, #00B4D8);
  box-shadow:0 0 0 3px rgba(0,180,216,.18);
  display:inline-block;
}
.pdf-modal__actions{display:flex; gap:8px; flex-wrap:wrap}
.pdf-modal__btn{
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 16px;
  font-size:12.5px; font-weight:500;
  border-radius:3px;
  text-decoration:none;
  cursor:pointer;
  border:1px solid var(--bd-2, #1a2236);
  background:transparent;
  color:var(--ink-2, #c3cad9);
  transition:background .15s, border-color .15s, color .15s;
  font-family:inherit;
}
.pdf-modal__btn:hover{
  color:var(--cyan-400, #48CAE4);
  border-color:var(--cyan-500, #00B4D8);
  background:rgba(0,180,216,.04);
}
.pdf-modal__btn--primary{
  background:var(--cyan-500, #00B4D8);
  border-color:var(--cyan-500, #00B4D8);
  color:#062032;
  font-weight:600;
}
.pdf-modal__btn--primary:hover{
  background:var(--cyan-400, #48CAE4);
  border-color:var(--cyan-400, #48CAE4);
  color:#062032;
}
.pdf-modal__btn svg{
  width:14px; height:14px;
  flex:none;
}

/* Mobile polish */
@media (max-width:600px){
  .pdf-modal{padding:0}
  .pdf-modal__dialog{
    width:100%;
    height:100vh;
    max-height:100vh;
    border-radius:0;
    border:none;
  }
  .pdf-modal__head{padding:12px 14px 10px}
  .pdf-modal__title{font-size:15px}
  .pdf-modal__foot{padding:10px 14px; flex-direction:column; align-items:stretch}
  .pdf-modal__meta{justify-content:center}
  .pdf-modal__actions{justify-content:stretch}
  .pdf-modal__btn{justify-content:center; flex:1}
}

@media (prefers-reduced-motion: reduce){
  .pdf-modal__dialog{transition:none}
  .pdf-modal__spinner{animation:none; border-top-color:var(--muted)}
}