:root {
  --bg: #040919;
  --surface: #031a30;
  --surface2: #081227;
  --surface3: #131a3d;
  --border: #4169FF4D;
  --border2: #3f65ea;
  --teal: #0f67dc;
  --teal2: #0f67dc;
  --blue: #d7eaff;
  --amber: #f5a623;
  --green: #3dd68c;
  --red: #ff5b5b;
  --text: #e8f4f8;
  --muted: #d6d6d6;
  --dim: #d6d6d6;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
.strongdm-training-guide-5 {
  background-color: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
}
/* ── Header ── */
.strongdm-training-guide-5 .site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.strongdm-training-guide-5 .header-left { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.strongdm-training-guide-5 .menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  /* width: 38px;
  height: 34px; */
  border-radius: 10px;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color .2s, background .2s, transform .2s;
}
.strongdm-training-guide-5 .menu-btn:hover { border-color: var(--teal); background: rgba(0, 29, 194, 0.08); }
.strongdm-training-guide-5 .menu-btn:active { transform: translateY(1px); }
.strongdm-training-guide-5 .menu-btn svg { width: 18px; height: 18px; }
.strongdm-training-guide-5 .logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: .5rem;
  min-width: 0;
}
.strongdm-training-guide-5 .logo span { color: var(--text); font-weight: 400; opacity: .7; font-size: .85rem; }
.strongdm-training-guide-5 .progress-wrap { display: flex; align-items: center; gap: .75rem; }
.strongdm-training-guide-5 .progress-label { font-size: .78rem; color: var(--muted); }
.strongdm-training-guide-5 .progress-bar {
  width: 140px; height: 4px;
  background: #ffffff12;
  border-radius: 2px;
  overflow: hidden;
}
.strongdm-training-guide-5 .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  border-radius: 2px;
  transition: width .4s ease;
  width: 0%;
}
/* ── Layout ── */
.strongdm-training-guide-5 .layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 60px); }
/* ── Sidebar ── */
.strongdm-training-guide-5 .sidebar {
  background: #031a30;
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}
.strongdm-training-guide-5 .sidebar-section { margin-bottom: .25rem; }
.strongdm-training-guide-5 .sidebar-heading {
  font-size: .68rem;
  text-transform: uppercase;
  color: var(--dim);
  padding: .75rem 1.25rem .35rem;
}
.strongdm-training-guide-5 .sidebar-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem 1.25rem;
  font-size: .85rem;
  color: var(--muted);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all .2s;
  text-decoration: none;
}
.strongdm-training-guide-5 .sidebar-item:hover { color: var(--text); background: #141b40ed; }
.strongdm-training-guide-5 .sidebar-item.active { color: var(--teal); border-left-color: var(--teal); background: #141b40; }
.strongdm-training-guide-5 .sidebar-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--dim);
  flex-shrink: 0;
  transition: background .2s;
}
.strongdm-training-guide-5 .sidebar-item.active .sidebar-dot { background: var(--teal); }
.strongdm-training-guide-5 .sidebar-item.done .sidebar-dot { background: var(--green); }
.strongdm-training-guide-5 .sidebar-item.done { color: var(--green); opacity: .75; }
/* ── Main ── */
.strongdm-training-guide-5 .main { padding: 2.5rem 2.5rem 4rem;  height:100vh; overflow-y: auto; }
/* ── Section headers ── */
.strongdm-training-guide-5 .section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: .5rem;
  background: linear-gradient(135deg, var(--teal2), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.strongdm-training-guide-5 .section-subtitle { color: var(--muted); margin-bottom: 2rem; font-size: .95rem; }
.strongdm-training-guide-5 .section-block { display: none; }
.strongdm-training-guide-5 .section-block.active { display: block; }
/* ── Cards ── */
.strongdm-training-guide-5 .card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
  margin-bottom: 1rem;
  transition: border-color .2s;
}
.strongdm-training-guide-5 .card:hover { border-color: var(--border2); }
.strongdm-training-guide-5 .card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.strongdm-training-guide-5 .card-title {
  
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: .5rem;
  color: var(--text);
}
.strongdm-training-guide-5 .card-body { color: var(--muted); font-size: .9rem; }
/* ── Badges ── */
.strongdm-training-guide-5 .badge {
  display: inline-block;
  font-size: .72rem;
  
  padding: .2em .7em;
  border-radius: 4px;
  font-weight: 500;
  margin: .2em .2em .2em 0;
}
.strongdm-training-guide-5 .badge-teal { background: rgba(0,194,184,.15); color: var(--teal); }
.strongdm-training-guide-5 .badge-blue { background: rgba(46,143,255,.15); color: var(--blue); }
.strongdm-training-guide-5 .badge-amber { background: rgba(245,166,35,.15); color: var(--amber); }
.strongdm-training-guide-5 .badge-green { background: rgba(61,214,140,.15); color: var(--green); }
.strongdm-training-guide-5 .badge-red { background: rgba(255,91,91,.15); color: var(--red); }
/* ── Accordions ── */
.strongdm-training-guide-5 .accordion { margin-bottom: .5rem; }
.strongdm-training-guide-5 .accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1.2rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
  font-weight: 500;
  font-size: .92rem;
}
.strongdm-training-guide-5 .accordion-header:hover { background: var(--surface3); border-color: var(--border2); }
.strongdm-training-guide-5 .accordion-header.open {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
  background: var(--surface3);
}
.strongdm-training-guide-5 .accordion-icon { font-size: 1rem; color: var(--teal); transition: transform .25s; line-height: 1; }
.strongdm-training-guide-5 .accordion-header.open .accordion-icon { transform: rotate(90deg); }
.strongdm-training-guide-5 .accordion-body {
  display: none;
  padding: 1.1rem 1.2rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-top: none;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.75;
}
.strongdm-training-guide-5 .accordion-body.open { display: block; }
/* ── Diagrams / Info boxes ── */
.strongdm-training-guide-5 .info-box {
  background: #081227;
  border: 1px solid #4169FF4D;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: .88rem;
}
.strongdm-training-guide-5 .warn-box {
  background: rgba(245,166,35,.07);
  border: 1px solid rgba(245,166,35,.25);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: .88rem;
  color: #e0b060;
}
.strongdm-training-guide-5 .warn-box strong, .strongdm-training-guide-5 .info-box strong { color: var(--text); }
/* ── Code blocks ── */
.strongdm-training-guide-5 .code-block {
  background: #0f0818;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .9rem 1.1rem;
  
  font-size: .82rem;
  color: var(--teal);
  margin: .75rem 0;
  overflow-x: auto;
  line-height: 1.6;
}
.strongdm-training-guide-5 .code-block .comment { color: var(--dim); }
.strongdm-training-guide-5 .code-block .key { color: var(--blue); }
.strongdm-training-guide-5 .code-block .val { color: var(--amber); }
/* ── Tables ── */
.strongdm-training-guide-5 .data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  margin: .75rem 0;
}
.strongdm-training-guide-5 .data-table th {
  text-align: left;
  padding: .6rem .9rem;
  
  font-size: .75rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border2);
}
.strongdm-training-guide-5 .data-table td {
  padding: .65rem .9rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  vertical-align: top;
}
.strongdm-training-guide-5 .data-table tr:last-child td { border-bottom: none; }
.strongdm-training-guide-5 .data-table td:first-child { color: var(--text); font-weight: 500; }
/* ── Diagrams ── */
.strongdm-training-guide-5 .flow-diagram {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 1.25rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 1rem 0;
  overflow-x: auto;
  flex-wrap: nowrap;
}
.strongdm-training-guide-5 .flow-node {
  background: var(--surface3);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: .5rem .9rem;
  font-size: .82rem;
  font-weight: 500;
  white-space: nowrap;
  text-align: center;
  min-width: 90px;
}
.strongdm-training-guide-5 .flow-arrow { color: var(--dim); font-size: 1.1rem; flex-shrink: 0; }
.strongdm-training-guide-5 .flow-node.hl { border-color: #3f65ea; color: var(--teal); background: #081227; }
/* ── Quiz ── */
.strongdm-training-guide-5 .quiz-block {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
  margin: 1.5rem 0;
}
.strongdm-training-guide-5 .quiz-q {
  
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}
.strongdm-training-guide-5 .quiz-options { display: flex; flex-direction: column; gap: .5rem; }
.strongdm-training-guide-5 .quiz-opt {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
  font-size: .88rem;
  color: var(--muted);
  background:#0a1438;
}
.strongdm-training-guide-5 .quiz-opt:hover { border-color: var(--border2); color: var(--text); }
.strongdm-training-guide-5 .quiz-opt.correct { border-color: var(--green); background: rgba(61,214,140,.08); color: var(--green); }
.strongdm-training-guide-5 .quiz-opt.wrong { border-color: var(--red); background: rgba(255,91,91,.08); color: var(--red); }
.strongdm-training-guide-5 .quiz-opt-letter {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  
  font-size: .72rem;
  flex-shrink: 0;
  margin-top: .05rem;
}
.strongdm-training-guide-5 .quiz-feedback {
  margin-top: .75rem;
  padding: .75rem 1rem;
  border-radius: 8px;
  font-size: .85rem;
  display: none;
}
.strongdm-training-guide-5 .quiz-feedback.show { display: block; }
.strongdm-training-guide-5 .quiz-feedback.correct { background: rgba(61,214,140,.1); color: var(--green); }
.strongdm-training-guide-5 .quiz-feedback.wrong { background: rgba(255,91,91,.1); color: #ff9090; }
/* ── Checklist ── */
.strongdm-training-guide-5 .checklist { list-style: none; }
.strongdm-training-guide-5 .checklist li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .45rem 0;
  font-size: .9rem;
  color: var(--muted);
  border-bottom: 1px solid #4169FF4D;
}
.strongdm-training-guide-5 .checklist li:last-child { border: none; }
.strongdm-training-guide-5 .check-icon { color: var(--teal); flex-shrink: 0; margin-top: .22rem; font-size: .85rem; }
/* ── Section nav buttons ── */
.strongdm-training-guide-5 .section-nav { display: flex; justify-content: space-between; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.strongdm-training-guide-5 .btn {
  padding: .6rem 1.4rem;
  border-radius: 8px;
  
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: none;
}
.strongdm-training-guide-5 .btn-outline {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--muted);
}
.strongdm-training-guide-5 .btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.strongdm-training-guide-5 .btn-primary {
  background: var(--teal);
  color: #020d1a;
}
.strongdm-training-guide-5 .btn-primary:hover { background: #0f68dccd; }
.strongdm-training-guide-5 .btn-secondary {
  background: var(--surface3);
  color: var(--text);
  border: 1px solid var(--border2);
}
.strongdm-training-guide-5 .btn-secondary:hover { background: var(--surface2); }
/* ── Two-col ── */
.strongdm-training-guide-5 .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
/* ── Three-col ── */
.strongdm-training-guide-5 .three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
/* ── KV row ── */
.strongdm-training-guide-5 .kv-row { display: flex; justify-content: space-between; align-items: baseline; padding: .4rem 0; border-bottom: 1px solid rgba(255,255,255,.04); font-size: .88rem; }
.strongdm-training-guide-5 .kv-row:last-child { border: none; }
.strongdm-training-guide-5 .kv-label { color: var(--muted); }
.strongdm-training-guide-5 .kv-val { color: var(--text);  font-size: .82rem; }
/* ── Step list ── */
.strongdm-training-guide-5 .steps { counter-reset: step; list-style: none; }
.strongdm-training-guide-5 .steps li {
  counter-increment: step;
  display: flex;
  gap: 1rem;
  margin-bottom: .85rem;
  font-size: .9rem;
  color: var(--muted);
}
.strongdm-training-guide-5 .steps li::before {
  content: counter(step);
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #031a30;
  color: var(--teal);
  
  font-size: .75rem;
  font-weight: 500;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: .15rem;
}
/* Pill tabs (within section) */
.strongdm-training-guide-5 .pill-tabs { display: flex; gap: .5rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.strongdm-training-guide-5 .pill-tab {
  padding: .35rem .95rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: .82rem;
  cursor: pointer;
  background: transparent;
  color: var(--muted);
  transition: all .2s;
}
.strongdm-training-guide-5 .pill-tab:hover { border-color: var(--border2); color: var(--text); }
.strongdm-training-guide-5 .pill-tab.active { background: #031a30; border-color: #3f65ea; color: var(--teal); }
.strongdm-training-guide-5 .pill-content { display: none; }
.strongdm-training-guide-5 .pill-content.active { display: block; }
/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: #3f3cf015; }
::-webkit-scrollbar-thumb { background: #09112d; border-radius: 3px; }
/* Highlight */
.strongdm-training-guide-5 .hl-teal { color: var(--teal); }
.strongdm-training-guide-5 .hl-blue { color: var(--blue); }
.strongdm-training-guide-5 .hl-amber { color: var(--amber); }
.strongdm-training-guide-5 .hl-green { color: var(--green); }
.strongdm-training-guide-5 h3 {  font-size: 1.1rem; font-weight: 600; color: var(--text); margin: 1.5rem 0 .6rem; }
.strongdm-training-guide-5 h4 {  font-size: .95rem; font-weight: 600; color: var(--teal); margin: 1rem 0 .4rem; }
.strongdm-training-guide-5 p { margin-bottom: .75rem; color: var(--muted); font-size: .9rem; }
.strongdm-training-guide-5 strong { color: var(--text); }
.strongdm-training-guide-5 ul { list-style: none; padding-left: 1rem; }
.strongdm-training-guide-5 ul li { position: relative; color: var(--muted); font-size: .9rem; margin-bottom: .3rem; padding-left: .8rem; }
.strongdm-training-guide-5 ul li::before { content: '—'; position: absolute; left: 0; color: var(--dim); }

.strongdm-training-guide-5 .sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
body.sidebar-open .sidebar-backdrop {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 720px) {
  .strongdm-training-guide-5 .site-header {
    padding: 8px 12px;
    height: auto;
    flex-wrap: wrap;
    gap: 8px;
  }
  .strongdm-training-guide-5 .menu-btn { display: inline-flex; }
  .strongdm-training-guide-5 .header-left { flex: 1 1 100%; }
  .strongdm-training-guide-5 .logo { font-size: .95rem; }
  .strongdm-training-guide-5 .logo span { display: block; font-size: .7rem; opacity: .7; }
  .strongdm-training-guide-5 .progress-wrap {
    flex: 1 1 100%;
    justify-content: space-between;
    gap: .5rem;
  }
  .strongdm-training-guide-5 .progress-label { font-size: .7rem; white-space: nowrap; }
  .strongdm-training-guide-5 .progress-bar { width: 120px; }
  .strongdm-training-guide-5 .layout { display: block; }
  .strongdm-training-guide-5 .sidebar {
    display: block;
    position: absolute;
    top: 78px;
    left: 0;
    bottom: 0;
    height: auto;
    width: min(320px, 86vw);
    transform: translateX(-110%);
    transition: transform 0.22s ease;
    z-index: 1;
    box-shadow: 0 12px 40px rgba(0,0,0,0.45);
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open { overflow: hidden; }
  .strongdm-training-guide-5 .main { padding: 1.75rem 1.25rem 3rem; max-width: none; }
  .strongdm-training-guide-5 .card-grid, .strongdm-training-guide-5 .two-col, .strongdm-training-guide-5 .three-col { grid-template-columns: 1fr; }
  .strongdm-training-guide-5 .section-nav {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }
  .strongdm-training-guide-5 .section-nav .btn {
    width: 100%;
    justify-content: center;
  }
}

/* responsive helpers */
img, video, canvas, svg { max-width: 100%; height: auto; }
.strongdm-training-guide-5 table { max-width: 100%; }
@media (max-width: 720px) {
  .strongdm-training-guide-5 table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}
.strongdm-training-guide-5 pre { max-width: 100%; overflow-x: auto; }