:root {
  --bg:      #1a1e2e;
  --bg2:     #141827;
  --bg3:     #0d1020;
  --accent:  #e05252;
  --text:    #dde4f0;
  --muted:   #6a7a9a;
  --border:  #252d45;
  --green:   #3d8b5a;
  --yellow:  #c4844a;
  --red:     #c0392b;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { font-size: 17px; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
.ck-header {
  background: var(--bg3);
  border-bottom: 2px solid var(--accent);
  padding: 0 14px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}
.ck-back {
  color: var(--muted);
  text-decoration: none;
  font-size: 20px;
  padding: 4px 6px;
  border-radius: 4px;
  transition: color .15s;
  flex-shrink: 0;
}
.ck-back:hover { color: var(--accent); }
.ck-badge {
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 3px 8px;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.ck-title {
  font-size: 14px;
  font-weight: 600;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ck-nav-btns {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.ck-nav-btns a {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 12px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s, border-color .15s;
}
.ck-nav-btns a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── CONTENT ── */
.ck-content {
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

/* ── PHASE INTRO ── */
.phase-intro {
  background: var(--bg2);
  border-left: 4px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── SECTION ── */
.ck-section {
  margin-bottom: 28px;
}
.ck-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 10px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
  user-select: none;
}
.ck-section-letter {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  width: 26px;
  height: 26px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ck-section-letter.sub {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 10px;
}
.ck-section-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  flex: 1;
}
.ck-toggle {
  color: var(--muted);
  font-size: 12px;
  transition: transform .15s;
  flex-shrink: 0;
}
.ck-section.collapsed .ck-toggle { transform: rotate(-90deg); }
.ck-section.collapsed .ck-items { display: none; }

/* ── ITEMS ── */
.ck-items { padding: 4px 0; }
ol.ck-list {
  list-style: none;
  counter-reset: ck-counter;
  padding: 0;
}
ol.ck-list > li {
  counter-increment: ck-counter;
  display: flex;
  gap: 10px;
  padding: 7px 0 7px 0;
  border-bottom: 1px solid rgba(37,45,69,.7);
  line-height: 1.45;
  font-size: 1rem;
  align-items: flex-start;
}
ol.ck-list > li::before {
  content: counter(ck-counter) ".";
  flex-shrink: 0;
  min-width: 24px;
  color: var(--muted);
  font-size: 12px;
  padding-top: 2px;
  text-align: right;
}
ol.ck-list > li:last-child { border-bottom: none; }

.ck-action {
  color: var(--muted);
  font-size: .9rem;
}
.ck-value {
  color: #90c8f0;
  font-weight: 600;
}
.ck-warn {
  color: var(--yellow);
  font-size: .85rem;
  margin-top: 3px;
  display: block;
}
.ck-note {
  background: rgba(37,45,69,.6);
  border-left: 3px solid var(--muted);
  padding: 8px 12px;
  border-radius: 0 4px 4px 0;
  font-size: .85rem;
  color: var(--muted);
  margin: 6px 0 6px 34px;
  line-height: 1.5;
}

/* Sub-list (a, b, c…) */
ul.ck-sub {
  list-style: none;
  margin: 6px 0 0 0;
  padding: 0;
}
ul.ck-sub li {
  display: flex;
  gap: 8px;
  padding: 4px 0;
  font-size: .9rem;
  color: var(--text);
  border-bottom: 1px solid rgba(37,45,69,.5);
  align-items: flex-start;
}
ul.ck-sub li:last-child { border-bottom: none; }
ul.ck-sub li .sub-key {
  flex-shrink: 0;
  color: var(--muted);
  font-size: .82rem;
  min-width: 18px;
  padding-top: 1px;
}

/* Emerg sections */
.emerg .ck-section-letter { background: var(--red); }
.emerg .ck-section-header { border-bottom-color: rgba(192,57,43,.4); }

/* ── FOOTER NAV ── */
.ck-footer-nav {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.ck-footer-nav a {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 13px;
  transition: background .15s, border-color .15s;
  flex: 1;
  text-align: center;
}
.ck-footer-nav a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.ck-footer-nav a.center { flex: 0 0 auto; }

/* ── INDEX CARDS ── */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 24px;
}
.phase-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 16px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 4px solid var(--accent);
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.phase-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.4);
  border-color: var(--accent);
}
.phase-card.emerg { border-left-color: var(--red); }
.phase-card.emerg:hover { border-color: var(--red); }
.phase-num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-transform: uppercase;
}
.phase-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
}
.phase-secs {
  font-size: 11px;
  color: var(--muted);
  margin-top: auto;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}
.phase-arrow {
  color: var(--accent);
  font-size: 14px;
  align-self: flex-end;
}
.phase-card.emerg .phase-arrow { color: var(--red); }

/* ── MOBILE ── */
@media (max-width: 600px) {
  html { font-size: 16px; }
  .ck-content { padding: 14px 12px 60px; }
  .ck-nav-btns { display: none; }
  .phase-grid { grid-template-columns: 1fr; }
  ol.ck-list > li { padding: 9px 0; }
  .ck-footer-nav a { padding: 12px 10px; font-size: 12px; }
}