/* ==========================================================================
   VPNUJ — deepdoc.css
   Page-scoped layout for the AI access handbook (troubleshooting.html).
   Colors, radii and shadows all come from :root tokens in base.css.
   ========================================================================== */

/* ---- page head ---------------------------------------------------------- */

.doc-head{
  position:relative;
  max-width:100%;
  overflow-x:clip;
  padding-block:clamp(26px,3.6vw,48px) clamp(18px,2.4vw,28px);
}

.doc-head-inner{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
  max-width:920px;
}

.doc-title{
  margin:0;
  max-width:18ch;
}

.doc-lede{
  max-width:70ch;
  font-size:16px;
  line-height:1.72;
  color:var(--text-muted);
}

.doc-lede a{
  color:var(--accent-dark);
  text-underline-offset:2px;
}

.doc-pills{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:2px 0 0;
}

.doc-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:2px;
}

.doc-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 18px;
  margin:4px 0 0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.02em;
  color:var(--text-soft);
}

.doc-meta li{
  position:relative;
  padding-left:14px;
  white-space:nowrap;
}

.doc-meta li::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:3px;
  height:3px;
  border-radius:50%;
  background:var(--border-strong);
  transform:translateY(-50%);
}

.doc-meta li:first-child{padding-left:0;}
.doc-meta li:first-child::before{display:none;}

/* ---- reading column ----------------------------------------------------- */

.doc-prose{
  max-width:min(100%,880px);
  counter-reset:doc-sec;
}

.doc-prose > section{min-width:0;}

.doc-prose > section > h2{
  counter-increment:doc-sec;
  margin-top:clamp(36px,4.4vw,56px);
}

.doc-prose > section:first-of-type > h2{
  margin-top:var(--sp-5);
}

.doc-prose > section > h2::before{
  content:counter(doc-sec,decimal-leading-zero);
  display:inline-block;
  margin-right:10px;
  vertical-align:.1em;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--accent);
}

.doc-prose h3{
  font-size:16.5px;
}

.doc-prose .table-scroll{
  margin-block:var(--sp-5);
}

.doc-prose .data-table{
  font-size:13px;
}

.doc-caption{
  margin-bottom:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  color:var(--text-soft);
}

/* ---- numbered step list ------------------------------------------------- */

.doc-prose .doc-steps{
  list-style:none;
  padding-left:0;
  margin-block:var(--sp-3) var(--sp-4);
  counter-reset:doc-step;
}

.doc-prose .doc-steps > li{
  position:relative;
  padding-left:34px;
  margin-top:0;
}

.doc-prose .doc-steps > li + li{
  margin-top:12px;
}

.doc-prose .doc-steps > li::before{
  counter-increment:doc-step;
  content:counter(doc-step);
  position:absolute;
  left:0;
  top:1px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--accent-soft);
  border:1px solid var(--accent-line);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  line-height:1;
  color:var(--accent-dark);
}

/* ---- definition list inside prose --------------------------------------- */

.doc-prose .doc-defs{
  margin-block:var(--sp-4);
  padding:0;
  border-top:1px solid var(--border);
}

.doc-prose .doc-defs > div{
  display:grid;
  grid-template-columns:minmax(0,140px) minmax(0,1fr);
  gap:12px;
  padding:11px 0;
  border-bottom:1px solid var(--border);
}

.doc-prose .doc-defs dt{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--text-soft);
}

.doc-prose .doc-defs dd{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:var(--text-muted);
}

/* ---- end matter --------------------------------------------------------- */

.doc-end{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:var(--sp-5);
  padding:18px 20px;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-xs);
}

.doc-end p{
  flex:1 1 240px;
  min-width:0;
  font-size:13.5px;
  line-height:1.65;
  color:var(--text-muted);
}

.doc-end .btn{
  flex-shrink:0;
  white-space:nowrap;
}

/* ---- responsive --------------------------------------------------------- */

@media (max-width:760px){
  .doc-title{max-width:none;}
  .doc-lede{font-size:15px;}
}

@media (max-width:640px){
  .doc-prose .doc-defs > div{
    grid-template-columns:minmax(0,1fr);
    gap:4px;
  }

  .doc-prose .doc-steps > li{
    padding-left:30px;
  }

  .doc-meta li{
    white-space:normal;
  }

  .doc-end{
    padding:16px;
  }

  .doc-end .btn{
    width:100%;
  }
}