.tech-controller-guide {
  --tc-panel: var(--panel);
  --tc-soft: #f1f5f9;
  --tc-border: var(--border);
  --tc-text: var(--text);
  --tc-muted: var(--muted);
  --tc-accent: var(--gold);
  --tc-accent-soft: rgba(180, 134, 0, 0.12);
  --tc-teal: #0f766e;
  --tc-teal-soft: rgba(15, 118, 110, 0.1);
  --tc-red: #dc2626;
  --tc-red-soft: rgba(220, 38, 38, 0.1);
  --tc-good: #15803d;
  --tc-mono: "IBM Plex Mono", ui-monospace, monospace;
  --amber: var(--tc-accent);
  --teal: var(--tc-teal);
  --red: var(--tc-red);
  --good: var(--tc-good);
  --mid: var(--tc-accent);
  --bad: var(--tc-red);
  --muted: var(--tc-muted);
  --text: var(--tc-text);
  --card: var(--tc-panel);
  --elev: var(--tc-soft);
  --line: var(--tc-border);
  color: var(--tc-text);
  font-size: 16px;
  line-height: 1.85;
}
.tech-controller-guide .num {
  font-family: var(--tc-mono);
  direction: ltr;
  unicode-bidi: embed;
  display: inline-block;
  color: var(--tc-teal);
  font-weight: 600;
}
.tech-controller-guide .tc-hero {
  padding: 8px 0 28px;
  border-bottom: 1px solid var(--tc-border);
}
.tech-controller-guide .eyebrow {
  display: inline-block;
  font-family: var(--tc-mono);
  direction: ltr;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--tc-accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
  background: var(--tc-accent-soft);
  text-transform: uppercase;
}
.tech-controller-guide h1.title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 900;
  margin-bottom: 10px;
  line-height: 1.35;
}
.tech-controller-guide h1.title .hl { color: var(--tc-accent); }
.tech-controller-guide p.sub {
  color: var(--tc-muted);
  max-width: 780px;
  font-size: 1.02rem;
  margin-bottom: 22px;
}
.tech-controller-guide .kw-chips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.tech-controller-guide .kw-chip {
  background: var(--tc-panel);
  border: 1px solid var(--tc-border);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.tech-controller-guide .kw-chip .v {
  font-family: var(--tc-mono);
  direction: ltr;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--tc-accent);
}
.tech-controller-guide .kw-chip .l {
  color: var(--tc-muted);
  font-size: 0.85rem;
  margin-top: 4px;
  line-height: 1.6;
}

.tech-controller-guide .tc-toc {
  position: sticky;
  top: 72px;
  z-index: 40;
  background: rgba(248, 250, 252, 0.94);
  backdrop-filter: blur(10px);
  border: 1px solid var(--tc-border);
  border-radius: 12px;
  margin: 18px 0 8px;
  box-shadow: var(--shadow);
}
.tech-controller-guide .tc-toc .rail {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 10px;
  scrollbar-width: thin;
}
.tech-controller-guide .tc-toc a {
  flex: 0 0 auto;
  color: var(--tc-muted);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: .15s;
}
.tech-controller-guide .tc-toc a:hover,
.tech-controller-guide .tc-toc a:focus-visible {
  color: var(--tc-accent);
  border-color: var(--accent);
  outline: none;
}
.tech-controller-guide .tc-toc a .n {
  font-family: var(--tc-mono);
  font-size: 0.75rem;
  color: var(--tc-teal);
  margin-inline-end: 5px;
}

.tech-controller-guide .tc-sec {
  padding: 36px 0 12px;
  border-bottom: 1px dashed var(--tc-border);
  scroll-margin-top: 160px;
}
.tech-controller-guide .tc-sec:last-of-type { border-bottom: none; }
.tech-controller-guide .sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.tech-controller-guide .sec-head .idx {
  font-family: var(--tc-mono);
  direction: ltr;
  color: var(--tc-accent);
  font-size: 1rem;
  font-weight: 700;
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 2px 10px;
  background: var(--tc-accent-soft);
}
.tech-controller-guide .sec-head h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 900;
}
.tech-controller-guide .sec-lead {
  color: var(--tc-muted);
  max-width: 820px;
  margin-bottom: 20px;
}
.tech-controller-guide .grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.tech-controller-guide .grid4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.tech-controller-guide .card {
  background: var(--tc-panel);
  border: 1px solid var(--tc-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.tech-controller-guide .card h3 {
  color: var(--tc-accent);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.tech-controller-guide .card h4 {
  color: var(--tc-teal);
  font-size: 1rem;
  font-weight: 800;
  margin: 12px 0 6px;
}
.tech-controller-guide .card p { margin-bottom: 10px; }
.tech-controller-guide .card p:last-child { margin-bottom: 0; }
.tech-controller-guide .card .en {
  font-family: var(--tc-mono);
  direction: ltr;
  font-size: 0.85em;
  color: var(--tc-teal);
}

.tech-controller-guide .note,
.tech-controller-guide .warn,
.tech-controller-guide .tip {
  border-radius: 12px;
  padding: 14px 18px;
  margin: 14px 0;
  font-size: 0.95rem;
  border: 1px solid;
  line-height: 1.8;
}
.tech-controller-guide .note {
  background: var(--tc-accent-soft);
  border-color: var(--accent);
}
.tech-controller-guide .note::before { content: "◆ ملاحظة: "; color: var(--tc-accent); font-weight: 800; }
.tech-controller-guide .warn {
  background: var(--tc-red-soft);
  border-color: var(--tc-red);
}
.tech-controller-guide .warn::before { content: "⚠ تحذير: "; color: var(--tc-red); font-weight: 800; }
.tech-controller-guide .tip {
  background: var(--tc-teal-soft);
  border-color: var(--tc-teal);
}
.tech-controller-guide .tip::before { content: "✦ نصيحة: "; color: var(--tc-teal); font-weight: 800; }

.tech-controller-guide ul.clean { list-style: none; margin: 8px 0; }
.tech-controller-guide ul.clean li {
  position: relative;
  padding-right: 24px;
  margin-bottom: 8px;
}
.tech-controller-guide ul.clean li::before {
  content: "";
  position: absolute;
  right: 2px;
  top: 0.62em;
  width: 9px;
  height: 9px;
  background: var(--tc-accent);
  transform: rotate(45deg);
  border-radius: 2px;
}
.tech-controller-guide ol.steps { list-style: none; counter-reset: st; margin: 8px 0; }
.tech-controller-guide ol.steps li {
  counter-increment: st;
  position: relative;
  padding-right: 44px;
  margin-bottom: 12px;
}
.tech-controller-guide ol.steps li::before {
  content: counter(st);
  position: absolute;
  right: 0;
  top: 0.1em;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--tc-accent-soft);
  border: 1px solid var(--accent);
  color: var(--tc-accent);
  font-family: var(--tc-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.tech-controller-guide .tbl-wrap {
  overflow-x: auto;
  border: 1px solid var(--tc-border);
  border-radius: 12px;
  margin: 16px 0;
  background: var(--tc-panel);
  box-shadow: var(--shadow);
}
.tech-controller-guide table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.93rem;
}
.tech-controller-guide thead th {
  background: var(--tc-soft);
  color: var(--tc-accent);
  font-weight: 800;
  padding: 12px 14px;
  text-align: right;
  border-bottom: 1px solid var(--tc-border);
  white-space: nowrap;
}
.tech-controller-guide tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--tc-border);
  vertical-align: top;
}
.tech-controller-guide tbody tr:last-child td { border-bottom: none; }
.tech-controller-guide tbody tr:nth-child(even) { background: #f8fafc; }
.tech-controller-guide .good { color: var(--tc-good); font-weight: 700; }
.tech-controller-guide .mid { color: var(--tc-accent); font-weight: 700; }
.tech-controller-guide .bad { color: var(--tc-red); font-weight: 700; }

.tech-controller-guide .calc {
  background: var(--tc-panel);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}
.tech-controller-guide .calc h3 {
  color: var(--tc-accent);
  font-size: 1.15rem;
  margin-bottom: 16px;
  font-weight: 800;
}
.tech-controller-guide .calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.tech-controller-guide .ctl { margin-bottom: 16px; }
.tech-controller-guide .ctl label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.92rem;
  color: var(--tc-muted);
  margin-bottom: 8px;
  font-weight: 700;
}
.tech-controller-guide .ctl label output {
  font-family: var(--tc-mono);
  direction: ltr;
  color: var(--tc-accent);
  font-weight: 700;
  font-size: 1.05rem;
}
.tech-controller-guide input[type=range] {
  width: 100%;
  accent-color: var(--gold);
  height: 28px;
  cursor: pointer;
}
.tech-controller-guide select {
  width: 100%;
  background: var(--tc-soft);
  color: var(--tc-text);
  border: 1px solid var(--tc-border);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
}
.tech-controller-guide select:focus-visible { outline: 2px solid var(--accent); }
.tech-controller-guide .calc-out {
  background: var(--tc-soft);
  border: 1px solid var(--tc-border);
  border-radius: 12px;
  padding: 18px;
}
.tech-controller-guide .res-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--tc-border);
}
.tech-controller-guide .res-row:last-of-type { border-bottom: none; }
.tech-controller-guide .res-row .k { color: var(--tc-muted); font-size: 0.9rem; }
.tech-controller-guide .res-row .v {
  font-family: var(--tc-mono);
  direction: ltr;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tc-teal);
}
.tech-controller-guide .verdict {
  margin-top: 14px;
  border-radius: 12px;
  padding: 14px 16px;
  font-weight: 800;
  text-align: center;
  font-size: 1.02rem;
  border: 1px solid var(--tc-border);
  transition: .25s;
  background: var(--tc-panel);
}
.tech-controller-guide .vbar {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(to left, #15803d 0%, #15803d 40%, var(--gold) 55%, var(--gold) 70%, #dc2626 85%);
  margin-top: 12px;
  position: relative;
  direction: ltr;
}
.tech-controller-guide .vbar .pin {
  position: absolute;
  top: -5px;
  width: 4px;
  height: 20px;
  background: var(--tc-text);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(0,0,0,.2);
  transition: left .25s;
}

.tech-controller-guide .ds-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  align-items: start;
  margin-top: 16px;
}
.tech-controller-guide .ds-sheet {
  background: #fff;
  color: var(--tc-text);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--tc-border);
  box-shadow: var(--shadow);
}
.tech-controller-guide .ds-sheet .ds-brand {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid #0f172a;
  padding-bottom: 10px;
  margin-bottom: 6px;
}
.tech-controller-guide .ds-sheet .ds-brand b { font-size: 1.1rem; font-weight: 900; }
.tech-controller-guide .ds-sheet .ds-brand span {
  font-family: var(--tc-mono);
  direction: ltr;
  font-size: 0.8rem;
  color: var(--tc-muted);
}
.tech-controller-guide .ds-group {
  font-weight: 800;
  font-size: 0.92rem;
  background: var(--tc-soft);
  color: var(--tc-muted);
  padding: 7px 12px;
  border-radius: 8px;
  margin: 14px 0 4px;
}
.tech-controller-guide .ds-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--tc-border);
  cursor: pointer;
  border-radius: 8px;
  transition: .15s;
  font-size: 0.9rem;
}
.tech-controller-guide .ds-row:hover { background: #f8fafc; }
.tech-controller-guide .ds-row:focus-visible { outline: 2px solid var(--accent); }
.tech-controller-guide .ds-row.active {
  background: #0f172a;
  color: #fff;
}
.tech-controller-guide .ds-row.active .ds-val { color: var(--accent); }
.tech-controller-guide .ds-row .ds-name { font-weight: 700; }
.tech-controller-guide .ds-row .ds-val {
  font-family: var(--tc-mono);
  direction: ltr;
  color: var(--tc-teal);
  font-weight: 700;
  white-space: nowrap;
}
.tech-controller-guide .ds-panel {
  position: sticky;
  top: 140px;
  background: var(--tc-panel);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 20px;
  min-height: 240px;
  box-shadow: var(--shadow);
}
.tech-controller-guide .ds-panel .t-ar {
  color: var(--tc-accent);
  font-size: 1.15rem;
  font-weight: 800;
}
.tech-controller-guide .ds-panel .t-en {
  font-family: var(--tc-mono);
  direction: ltr;
  display: inline-block;
  color: var(--tc-teal);
  font-size: 0.85rem;
  border: 1px solid var(--tc-teal);
  border-radius: 8px;
  padding: 2px 10px;
  margin: 8px 0 12px;
}
.tech-controller-guide .ds-panel .kwbox {
  margin-top: 14px;
  background: var(--tc-accent-soft);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 13px 15px;
  font-size: 0.92rem;
}
.tech-controller-guide .ds-panel .kwbox b { color: var(--tc-accent); }

.tech-controller-guide .check { list-style: none; margin: 10px 0; }
.tech-controller-guide .check li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  background: var(--tc-panel);
  border: 1px solid var(--tc-border);
  border-radius: 12px;
  padding: 14px 17px;
  margin-bottom: 11px;
  cursor: pointer;
  transition: .15s;
  box-shadow: var(--shadow);
}
.tech-controller-guide .check li:hover { border-color: var(--accent); }
.tech-controller-guide .check input[type=checkbox] {
  width: 21px;
  height: 21px;
  accent-color: var(--gold);
  margin-top: 4px;
  flex: 0 0 auto;
  cursor: pointer;
}
.tech-controller-guide .check li.done { opacity: .55; }
.tech-controller-guide .check li.done .ck-txt { text-decoration: line-through; }
.tech-controller-guide .ck-prog {
  font-family: var(--tc-mono);
  direction: ltr;
  color: var(--tc-teal);
  font-size: 1rem;
  margin-bottom: 12px;
  display: inline-block;
  font-weight: 700;
}
.tech-controller-guide .tc-foot {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--tc-border);
  color: var(--tc-muted);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 820px) {
  .tech-controller-guide .kw-chips,
  .tech-controller-guide .grid4 { grid-template-columns: 1fr 1fr; }
  .tech-controller-guide .grid2,
  .tech-controller-guide .calc-grid,
  .tech-controller-guide .ds-layout { grid-template-columns: 1fr; }
  .tech-controller-guide .ds-panel { position: static; }
}
@media (max-width: 520px) {
  .tech-controller-guide .kw-chips,
  .tech-controller-guide .grid4 { grid-template-columns: 1fr; }
}