:root {
  --bg: #080c12;
  --card: #0d131b;
  --card-raised: #121a24;
  --panel-border: #1b2733;
  --panel-border-lit: #2a3a4a;
  --text: #f2f6fa;
  --text-dim: #6e7f8f;
  --text-dimmer: #4c5a68;
  --accent: #f7a621;
  --accent-bright: #ffbc4d;
  --accent-dim: #7d5514;
  --accent-ink: #140d02;
  --cyan: #45c8dc;
  --cyan-dim: #2a6b78;
  --green: #00e676;
  --red: #ff5470;
  --glow-amber: 0 0 18px rgba(247, 166, 33, 0.28);
  --glow-cyan: 0 0 14px rgba(69, 200, 220, 0.25);
  --glow-green: 0 0 10px rgba(0, 230, 118, 0.55);
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, sans-serif;
  background:
    linear-gradient(rgba(120, 160, 190, 0.028) 1px, transparent 1px) 0 0/52px 52px,
    linear-gradient(90deg, rgba(120, 160, 190, 0.028) 1px, transparent 1px) 0 0/52px 52px,
    radial-gradient(ellipse 900px 420px at 50% -60px, rgba(247, 166, 33, 0.07), transparent 70%),
    radial-gradient(ellipse at 50% 0%, #101a24 0%, var(--bg) 62%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 34px 20px 60px;
}

/* ---------- Header ---------- */

.app-header {
  text-align: center;
  margin-bottom: 34px;
}

.eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 46px;
  height: 1px;
  background: var(--accent-dim);
}

.app-header h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  color: #fff;
}

.app-header h1 .accent-word {
  color: var(--accent);
  text-shadow: 0 0 34px rgba(247, 166, 33, 0.4);
}

.subtitle {
  margin: 14px auto 0;
  max-width: 520px;
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.5;
}

.status-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 20px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: var(--glow-green);
  flex-shrink: 0;
}

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 320px);
  align-items: start;
  gap: 18px;
}

.control-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.card {
  background: var(--card);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 0 20px 20px;
  min-width: 0;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 0 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--panel-border);
}

.card-head-label,
.card-head-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.card-head-label { color: var(--text-dim); }
.card-head-status { color: var(--text-dimmer); }

.card-head-status.live {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
}

/* ---------- Gauges ---------- */

.gauge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
}

.gauge {
  min-width: 240px;
  flex: 1 1 240px;
}

.gauge-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 11px;
  margin-bottom: 14px;
}

.gauge-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  border: 1px solid var(--cyan-dim);
  background: rgba(69, 200, 220, 0.06);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: var(--glow-cyan);
  flex-shrink: 0;
}

.gauge-badge.badge-amber {
  border-color: var(--accent-dim);
  background: rgba(247, 166, 33, 0.07);
  color: var(--accent);
  box-shadow: var(--glow-amber);
}

.gauge-name {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.gauge svg {
  width: 100%;
  height: auto;
  display: block;
}

.gauge-bezel {
  fill: #0f1720;
  stroke: #22323f;
  stroke-width: 3;
}

.gauge-face {
  fill: #070c11;
  stroke: #1a2833;
  stroke-width: 1;
}

.gauge-unit {
  fill: var(--text-dimmer);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.tick-major {
  stroke: var(--text);
  stroke-width: 1.6;
}

.tick-minor {
  stroke: var(--text-dim);
  stroke-width: 1;
}

.tick-label {
  fill: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: middle;
}

.tick-label-sm {
  fill: var(--text);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: middle;
}

.needle {
  stroke: var(--red);
  stroke-width: 3;
  stroke-linecap: round;
}

.needle-10k {
  stroke: var(--accent);
  stroke-width: 5;
}

.needle-1k {
  stroke: var(--text);
  stroke-width: 3;
}

.needle-100 {
  stroke: var(--red);
  stroke-width: 2;
}

.needle-hub {
  fill: #cfd8e8;
  stroke: #0a1119;
  stroke-width: 1;
}

.arc-green { stroke: var(--green); }
.arc-yellow { stroke: var(--accent); }
.arc-red { stroke: var(--red); }

/* Readouts stack beside the badge: name on top, live values beneath. Kept grouped with
   their own gauge rather than pushed right, where they'd sit closer to the next badge. */
/* flex-basis 0 (rather than auto/max-content) keeps this beside the badge instead of
   wrapping below it; the readouts row then wraps internally when space is tight. */
.gauge-head-text {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.gauge-readouts {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-family: var(--mono);
}

/* Indicated — what the needles actually show (glass-cockpit style digital readout) */
.gauge-ind {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* needle is against its mechanical stop — the true value is beyond the dial's range */
.gauge-ind.offscale {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(247, 166, 33, 0.4);
}

/* True — opt-in reference value for comparison */
.gauge-truth {
  display: flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
}

.gauge-truth i {
  font-style: normal;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dimmer);
}

.gauge-truth b {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.truths-hidden .gauge-truth { display: none; }

/* Header toggle pill */
.card-head-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.head-toggle {
  padding: 7px 13px;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 5px;
  border: 1px solid var(--panel-border);
  background: var(--card-raised);
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s, background-color 0.12s;
}

.head-toggle:hover {
  border-color: var(--panel-border-lit);
  color: var(--text);
}

.head-toggle[aria-pressed="true"] {
  border-color: var(--cyan-dim);
  background: rgba(69, 200, 220, 0.1);
  color: var(--cyan);
}

/* ---------- Mode toggle (filter pills) ---------- */

.mode-toggle {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.mode-group {
  display: flex;
  gap: 10px;
}

/* Quiz-only toolbar action, pushed to the right of the mode pills */
.new-scenario-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 6px;
  border: 1px solid var(--accent-dim);
  background: rgba(247, 166, 33, 0.05);
  color: var(--accent);
  cursor: pointer;
  transition: background-color 0.12s, border-color 0.12s;
}

.new-scenario-btn::after {
  content: "\2192";
  font-size: 0.95rem;
  letter-spacing: 0;
}

.new-scenario-btn:hover {
  background: rgba(247, 166, 33, 0.12);
  border-color: var(--accent);
}

.new-scenario-btn[hidden] { display: none; }

.mode-btn {
  padding: 10px 26px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  background: var(--card-raised);
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
}

.mode-btn:hover {
  border-color: var(--panel-border-lit);
  color: var(--text);
}

.mode-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--glow-amber);
}

.mode-view[hidden] { display: none; }

/* ---------- Control groups ---------- */

.control-group {
  margin-bottom: 22px;
}

.control-group h2 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.17em;
  color: var(--text-dim);
  margin: 0 0 12px;
}

.group-hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0 0 14px;
  line-height: 1.5;
}

.subgroup-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 18px 0 8px;
}

.subgroup-label:first-of-type {
  margin-top: 0;
}

.failure-options {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 4px;
}

.failure-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  background: var(--card-raised);
  font-size: 0.87rem;
  cursor: pointer;
  transition: border-color 0.12s;
}

.failure-opt:hover {
  border-color: var(--panel-border-lit);
}

.failure-opt:has(input:checked) {
  border-color: var(--accent-dim);
  background: rgba(247, 166, 33, 0.06);
}

.failure-opt input:checked ~ span {
  color: var(--accent);
  font-weight: 600;
}

.failure-opt input {
  accent-color: var(--accent);
}

.failure-opt span em {
  display: block;
  font-style: normal;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-dim);
  margin-top: 2px;
}

/* ---------- Steppers ---------- */

.stepper-block {
  text-align: center;
  padding: 18px 12px;
  background: var(--card-raised);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
}

.stepper-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.17em;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.stepper-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.stepper-btn {
  min-width: 66px;
  min-height: 58px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  background: var(--card);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.12s, background-color 0.12s;
}

.stepper-btn small,
.stepper-btn strong {
  display: block;
  font-family: var(--mono);
}

.stepper-btn small {
  margin-bottom: 4px;
  color: var(--cyan);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stepper-btn strong {
  color: var(--accent);
  font-size: 0.9rem;
}

.stepper-btn:hover {
  border-color: var(--accent-dim);
  background: rgba(247, 166, 33, 0.1);
}

.stepper-btn:active {
  transform: scale(0.96);
}

.stepper-readout {
  min-width: 124px;
}

.stepper-center-btn {
  min-height: 58px;
  padding: 5px 12px;
  border: 1px solid var(--cyan);
  border-radius: 6px;
  background: rgba(69, 200, 220, 0.07);
  box-shadow: inset 0 0 16px rgba(69, 200, 220, 0.04);
  cursor: pointer;
  transition: border-color 0.12s, background-color 0.12s, box-shadow 0.12s;
}

.stepper-center-btn:hover,
.stepper-center-btn:focus-visible {
  border-color: var(--accent);
  background: rgba(247, 166, 33, 0.1);
  box-shadow: 0 0 16px rgba(247, 166, 33, 0.16);
  outline: 0;
}

.stepper-center-btn:active {
  transform: scale(0.97);
}

.stepper-readout span {
  font-family: var(--mono);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent);
  text-shadow: 0 0 26px rgba(247, 166, 33, 0.45);
  font-variant-numeric: tabular-nums;
}

.stepper-readout em {
  display: block;
  margin-top: 5px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.56rem;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.stepper-readout small {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-top: 2px;
}

.stepper-reset {
  margin-top: 14px;
  background: none;
  border: none;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
}

.stepper-reset:hover {
  color: var(--accent);
}

/* ---------- Buttons ---------- */

.reset-btn {
  padding: 9px 16px;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  background: var(--card-raised);
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
}

.reset-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

/* Ghost-bordered primary action, matching the hub's LAUNCH MISSION button */
.next-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 6px;
  border: 1px solid var(--accent-dim);
  background: rgba(247, 166, 33, 0.05);
  color: var(--accent);
  cursor: pointer;
  margin-bottom: 20px;
  transition: background-color 0.12s, border-color 0.12s;
}

.next-btn::after {
  content: "\2192";
  font-size: 0.95rem;
  letter-spacing: 0;
}

.next-btn:hover {
  background: rgba(247, 166, 33, 0.12);
  border-color: var(--accent);
}

#quiz-submit-btn {
  justify-content: center;
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--glow-amber);
}

#quiz-submit-btn::after { content: none; }

#quiz-submit-btn:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
}

#quiz-submit-btn:disabled {
  background: var(--card-raised);
  border-color: var(--panel-border);
  color: var(--text-dimmer);
  box-shadow: none;
  cursor: default;
}

/* ---------- Explanation / quiz ---------- */

.explanation {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--card-raised);
}

.explanation summary,
.reference summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.explanation summary::-webkit-details-marker,
.reference summary::-webkit-details-marker { display: none; }

.explanation summary::after,
.reference summary::after {
  content: "+";
  font-size: 1.05rem;
  line-height: 1;
  color: var(--accent);
}

.explanation[open] summary::after,
.reference[open] summary::after { content: "\2212"; }

.explanation summary:hover,
.reference summary:hover { color: var(--text); }

.explanation-block {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--panel-border);
}

.explanation-block:first-of-type {
  border-top: none;
  padding-top: 0;
}

.explanation-heading {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.explanation-block div[id$="-text"] {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.quiz-status {
  background: var(--card-raised);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.quiz-status p { margin: 0; }

.quiz-condition {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--accent);
  padding-bottom: 12px;
  margin-bottom: 12px !important;
  border-bottom: 1px solid var(--panel-border);
}

.quiz-condition[hidden] { display: none; }

.quiz-answer-group {
  margin-bottom: 16px;
}

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip-btn {
  flex: 1 1 0;
  padding: 12px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  background: var(--card-raised);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s;
}

.chip-btn:hover:not(:disabled) {
  border-color: var(--panel-border-lit);
}

.chip-btn:disabled {
  cursor: default;
}

.chip-btn.selected {
  border-color: var(--accent);
  background: rgba(247, 166, 33, 0.1);
  color: var(--accent);
}

.chip-btn.correct {
  border-color: var(--green);
  background: rgba(0, 230, 118, 0.1);
  color: var(--green);
}

.chip-btn.incorrect {
  border-color: var(--red);
  background: rgba(255, 84, 112, 0.1);
  color: var(--red);
}

.feedback {
  min-height: 1.2em;
  font-size: 0.85rem;
  margin-bottom: 18px;
  line-height: 1.6;
}

.feedback.correct { color: var(--green); }
.feedback.incorrect { color: var(--red); }

.asi-review-callout {
  margin: 18px 0;
  padding: 16px 18px;
  border: 1px solid rgba(69, 200, 220, 0.55);
  border-left: 5px solid var(--cyan);
  color: #c8d5e4;
  background: rgba(69, 200, 220, 0.09);
  box-shadow: inset 0 0 24px rgba(69, 200, 220, 0.035);
}

.asi-review-callout strong,
.asi-review-callout span {
  display: block;
}

.asi-review-callout strong {
  margin-bottom: 7px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.asi-review-callout span {
  font-size: 0.82rem;
  line-height: 1.65;
}

.system-review-details {
  margin-top: 18px;
}

.stats {
  display: flex;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--panel-border);
  padding-top: 16px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
}

.stat-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--text-dim);
  margin-top: 2px;
}

.stats .reset-btn {
  margin-left: auto;
}

/* ---------- Reference / footer ---------- */

.reference {
  margin-top: 20px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--card-raised);
}

.reference dl {
  margin: 14px 0 0;
  font-size: 0.83rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.reference dt {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 14px;
}

.reference dt:first-child { margin-top: 0; }

.reference dd {
  margin: 5px 0 0;
}

.disclaimer {
  max-width: 1200px;
  margin: 34px auto 0;
  padding: 24px 20px 0;
  border-top: 1px solid var(--panel-border);
  font-size: 0.75rem;
  color: var(--text-dimmer);
  text-align: center;
  line-height: 1.6;
}

/* ---------- Mobile ----------
   Two gauges per row with the third centred beneath, all at identical width, so the
   whole instrument panel is visible without scrolling past it to reach the controls. */

@media (max-width: 700px) {
  .app { padding: 20px 14px 40px; }

  .app-header { margin-bottom: 22px; }
  .subtitle { font-size: 0.88rem; margin-top: 10px; }
  .eyebrow { font-size: 0.66rem; letter-spacing: 0.18em; margin-bottom: 10px; }
  .eyebrow::before, .eyebrow::after { width: 26px; }

  .status-strip { gap: 15px; margin-top: 14px; }
  .status-item { font-size: 0.6rem; letter-spacing: 0.1em; }

  .layout { gap: 16px; }
  .card { padding: 0 14px 16px; }
  .card-head { padding: 13px 0 13px; margin-bottom: 14px; }
  .card-head-actions { gap: 12px; }
  .head-toggle { padding: 6px 9px; font-size: 0.56rem; letter-spacing: 0.07em; }

  /* 2-up grid; the odd third gauge centres on its own row via justify-content */
  .gauge-row { gap: 14px; }
  .gauge {
    min-width: 0;
    flex: 0 0 calc(50% - 7px);
  }

  .gauge-head {
    gap: 3px 8px;
    margin-bottom: 9px;
  }

  .gauge-badge {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    font-size: 0.62rem;
  }

  .gauge-name { font-size: 0.56rem; letter-spacing: 0.09em; }
  .gauge-readouts { gap: 2px 7px; }
  .gauge-ind { font-size: 0.88rem; }
  .gauge-truth { gap: 4px; }
  .gauge-truth i { font-size: 0.5rem; letter-spacing: 0.1em; }
  .gauge-truth b { font-size: 0.72rem; }

  .control-group { margin-bottom: 18px; }
  .mode-btn { padding: 10px 20px; }

  /* full width on its own line rather than squeezed beside the mode pills */
  .new-scenario-btn {
    margin-left: 0;
    flex: 1 1 100%;
    justify-content: space-between;
  }

  /* full-width answer chips give larger touch targets than 3 cramped columns */
  .chip-btn { flex: 1 1 100%; }

  .stats { gap: 14px; }
  .disclaimer { margin-top: 26px; padding-top: 18px; }
}

/* ---------- Pilot Arcade shell ---------- */

body {
  font-family: "Rajdhani", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #04131e;
}

button,
input {
  font: inherit;
}

.arcade-nav {
  position: relative;
  z-index: 50;
  min-height: 76px;
  padding: 0 clamp(18px, 4vw, 58px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(42, 71, 101, 0.72);
  background: rgba(3, 17, 27, 0.96);
}

.arcade-brand,
.all-missions {
  text-decoration: none;
}

.arcade-brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: #eaf2ff;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  white-space: nowrap;
}

.arcade-brand img {
  display: block;
  width: 78px;
  height: auto;
  filter: drop-shadow(0 0 8px rgba(69, 200, 220, 0.28));
}

.arcade-brand strong {
  color: var(--accent);
}

.all-missions {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(247, 166, 33, 0.52);
  border-radius: 4px;
  background: rgba(247, 166, 33, 0.07);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.all-missions:hover,
.all-missions:focus-visible {
  color: #171000;
  background: var(--accent);
  box-shadow: var(--glow-amber);
  outline: 0;
}

.app-stage {
  position: relative;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 12%, rgba(36, 132, 168, 0.17), transparent 32%),
    linear-gradient(180deg, rgba(7, 35, 50, 0.82), transparent 42%),
    #04131e;
}

.app-stage::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.17;
  background-image:
    linear-gradient(rgba(69, 200, 220, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69, 200, 220, 0.15) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: radial-gradient(ellipse 86% 68% at 50% 34%, black 5%, transparent 82%);
}

.app-stage::after {
  position: absolute;
  z-index: -1;
  top: 120px;
  left: 50%;
  width: min(92vw, 1080px);
  height: 540px;
  border: 1px solid rgba(69, 200, 220, 0.08);
  border-radius: 50%;
  content: "";
  transform: translateX(-50%);
}

.app {
  max-width: 1380px;
  padding: 34px 24px 58px;
}

.app-header {
  margin-bottom: 26px;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.57rem;
  letter-spacing: 0.15em;
}

.eyebrow::before,
.eyebrow::after {
  display: none;
}

.app-header h1 {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--cyan);
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  line-height: 1.1;
  letter-spacing: 0.09em;
  text-shadow: 0 0 16px rgba(69, 200, 220, 0.32);
}

.brand-hair {
  flex: 1;
  max-width: 95px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(69, 200, 220, 0.48));
}

.brand-hair:last-child {
  background: linear-gradient(90deg, rgba(69, 200, 220, 0.48), transparent);
}

.subtitle {
  margin-top: 8px;
  color: #7f91aa;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-strip {
  margin-top: 16px;
  gap: 25px;
}

.status-item {
  font-size: 0.55rem;
  letter-spacing: 0.12em;
}

.card {
  border-color: #263e5a;
  border-radius: 4px;
  background: rgba(7, 18, 31, 0.93);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(8px);
}

.gauge-panel {
  background:
    linear-gradient(180deg, rgba(20, 37, 55, 0.72), rgba(7, 18, 31, 0.96)),
    rgba(7, 18, 31, 0.93);
}

.card-head {
  border-color: #263e5a;
}

.card-head-label {
  color: var(--accent);
}

.card-head-label,
.card-head-status {
  font-size: 0.58rem;
}

.gauge {
  position: relative;
  max-width: 390px;
  padding: 12px;
  border: 1px solid rgba(39, 63, 91, 0.72);
  border-radius: 4px;
  background: rgba(3, 10, 18, 0.5);
}

.gauge-badge {
  width: 42px;
  height: 42px;
  border-radius: 4px;
}

.gauge-name {
  color: #899ab1;
}

.gauge-bezel {
  fill: #19212d;
  stroke: #46515f;
  stroke-width: 4;
  filter: drop-shadow(0 8px 10px rgba(0, 0, 0, 0.45));
}

.gauge-face {
  fill: #050a10;
  stroke: #0f1c28;
}

.needle {
  filter: none;
}

.control-panel {
  padding-bottom: 22px;
}

.mode-group {
  padding: 3px;
  gap: 3px;
  border: 1px solid #263e5a;
  border-radius: 4px;
  background: rgba(3, 12, 21, 0.76);
}

.mode-btn {
  border-radius: 3px;
  background: transparent;
}

.failure-opt,
.stepper-block,
.explanation,
.quiz-status,
.chip-btn,
.reference {
  border-radius: 4px;
  border-color: #263e5a;
  background: rgba(12, 28, 46, 0.72);
}

.failure-opt {
  min-height: 48px;
}

.failure-opt:has(input:checked) {
  border-color: rgba(247, 166, 33, 0.72);
  background: rgba(247, 166, 33, 0.09);
  box-shadow: inset 3px 0 0 var(--accent);
}

.stepper-btn {
  min-height: 52px;
  border-radius: 4px;
  border-color: #304967;
  background: #07111d;
}

.stepper-readout span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.9rem;
}

.new-scenario-btn,
.next-btn,
.reset-btn,
.head-toggle {
  border-radius: 4px;
}

.quiz-condition {
  color: var(--accent);
}

.feedback.correct,
.chip-btn.correct {
  color: var(--green);
}

.feedback.incorrect,
.chip-btn.incorrect {
  color: var(--red);
}

.disclaimer {
  border-color: #263e5a;
  color: #60748e;
  font-family: var(--mono);
  font-size: 0.52rem;
}

@media (max-width: 700px) {
  .arcade-nav {
    min-height: 68px;
    padding: 0 14px;
  }

  .arcade-brand {
    gap: 8px;
    font-size: 0.58rem;
    letter-spacing: 0.2em;
  }

  .arcade-brand img {
    width: 58px;
  }

  .all-missions {
    padding: 0 9px;
    font-size: 0.52rem;
  }

  .app {
    padding: 25px 9px 40px;
  }

  .app-header h1 {
    gap: 7px;
    font-size: 1.16rem;
  }

  .brand-hair {
    max-width: 22px;
  }

  .subtitle {
    padding: 0 12px;
    font-size: 0.52rem;
  }

  .status-strip {
    gap: 12px;
  }

  .card {
    padding-right: 10px;
    padding-left: 10px;
  }

  .gauge-row {
    gap: 8px;
  }

  .gauge {
    padding: 7px;
    flex-basis: calc(50% - 4px);
  }

  .gauge-badge {
    width: 31px;
    height: 31px;
  }

  .gauge-name {
    font-size: 0.5rem;
  }

  .gauge-ind {
    font-size: 0.74rem;
  }

  .card-head-actions {
    gap: 8px;
  }

  .card-head-status.live {
    display: none;
  }

  .control-columns {
    gap: 8px;
  }

  .stepper-row {
    gap: 8px;
  }

  .stepper-btn {
    min-width: 60px;
  }

  .stepper-readout {
    min-width: 92px;
  }

  .stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .stats .reset-btn {
    grid-column: 1 / -1;
    margin-left: 0;
  }
}

/* ---------- Visual pressure lab ---------- */

.visual-deck {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 330px);
  align-items: start;
  gap: 18px;
}

.trainer-mode-toggle {
  width: fit-content;
  margin: 0 auto 22px;
  padding: 4px;
  border: 1px solid #263e5a;
  border-radius: 4px;
  background: rgba(3, 12, 21, 0.82);
}

.trainer-mode-toggle .new-scenario-btn {
  min-height: 42px;
}

.visual-deck > .card {
  height: auto;
}

.visual-deck > .system-panel {
  grid-column: 2;
  grid-row: 1;
}

.visual-deck > .gauge-panel {
  grid-column: 1;
  grid-row: 1;
}

.control-panel {
  position: sticky;
  top: 88px;
}

.flight-condition-bar {
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0 12px;
  border-top: 1px solid rgba(38, 62, 90, 0.68);
  border-bottom: 0;
  background: transparent;
}

.flight-condition-heading {
  grid-column: 1;
  grid-row: 1;
  padding: 9px 0 8px;
}

.flight-condition-heading span,
.flight-condition-heading small {
  display: block;
  font-family: var(--mono);
  text-transform: uppercase;
}

.flight-condition-heading span {
  color: var(--accent);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

.flight-condition-heading small {
  margin-top: 4px;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.48rem;
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-transform: none;
}

.flight-state-card {
  grid-column: 1 / -1;
  grid-row: 2;
  padding: 9px 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 62px;
  grid-template-rows: auto auto minmax(32px, auto);
  gap: 7px 10px;
  border-top: 1px solid rgba(38, 62, 90, 0.48);
  background: rgba(3, 12, 21, 0.38);
}

.flight-state-card > span {
  grid-column: 1;
}

.flight-state-card > span:first-child {
  grid-row: 1;
}

.flight-state-card > span:nth-child(2) {
  grid-row: 2;
}

.flight-state-card > span small,
.flight-state-card > span strong {
  display: block;
  font-family: var(--mono);
  text-transform: uppercase;
}

.flight-state-card > span small {
  color: var(--text-dim);
  font-size: 0.38rem;
  letter-spacing: 0.08em;
}

.flight-state-card > span strong {
  margin-top: 3px;
  color: var(--cyan);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
}

.maneuver-progress {
  --maneuver-fill: 0%;
  position: relative;
  grid-column: 2;
  grid-row: 1 / 4;
  width: 62px;
  height: 118px;
  align-self: center;
  justify-self: end;
  overflow: visible;
  font-family: var(--mono);
}

.maneuver-progress::before {
  content: "";
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: #304967;
}

.maneuver-progress i {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 50%;
  width: 5px;
  height: var(--maneuver-fill);
  border-radius: 999px;
  transform: translateX(-50%);
  background: var(--accent);
  box-shadow: var(--glow-amber);
  transition: height 0.16s linear;
}

.maneuver-progress[data-direction="descend"] i {
  top: 50%;
  bottom: auto;
}

.maneuver-progress b {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%);
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: #07121f;
  color: var(--cyan);
  font-size: 0.42rem;
  box-shadow: 0 0 8px rgba(69, 200, 220, 0.24);
}

.maneuver-progress.active b {
  border-color: var(--accent);
  color: var(--accent);
  font-size: 0.82rem;
  line-height: 1;
  box-shadow: 0 0 9px rgba(247, 166, 33, 0.34);
}

.progress-limit {
  position: absolute;
  right: 0;
  left: 0;
  color: var(--text-dim);
  font-size: 0.38rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
}

.progress-up {
  top: 0;
}

.progress-down {
  bottom: 0;
}

.flight-state-card p {
  grid-column: 1;
  grid-row: 3;
  margin: 0;
  color: var(--text-dim);
  font-size: 0.55rem;
  line-height: 1.25;
}

.flight-condition-bar .flight-control-group {
  grid-column: 1 / -1;
  grid-row: 4;
  min-width: 0;
  margin-bottom: 0;
  padding: 9px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 18px;
  border-top: 1px solid rgba(38, 62, 90, 0.48);
}

.guided-experiment {
  grid-column: 1 / -1;
  grid-row: 3;
  margin-top: 9px;
  padding: 9px 10px;
  border: 1px solid rgba(69, 200, 220, 0.34);
  border-radius: 5px;
  background: linear-gradient(135deg, rgba(69, 200, 220, 0.08), rgba(3, 12, 21, 0.8) 68%);
  box-shadow: inset 3px 0 0 rgba(69, 200, 220, 0.62);
}

.guided-experiment-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.guided-experiment-head span,
.guided-experiment-head button {
  font-family: var(--mono);
  font-size: 0.44rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.guided-experiment-head span {
  color: var(--cyan);
}

.guided-experiment-head span i {
  color: var(--accent);
  font-style: normal;
}

.guided-experiment-head button {
  padding: 3px 5px;
  border: 0;
  color: #8498b0;
  background: transparent;
  cursor: pointer;
}

.guided-experiment-head button:hover,
.guided-experiment-head button:focus-visible {
  color: var(--accent);
  outline: 0;
}

.guided-experiment p {
  margin: 6px 0 0;
  color: #b8c6d7;
  font-size: 0.53rem;
  line-height: 1.35;
}

.flight-condition-bar .stepper-block {
  min-width: 0;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.flight-condition-bar .stepper-label {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 3px;
  font-size: 0.43rem;
  text-align: left;
}

.flight-condition-bar .stepper-label strong {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.48rem;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.flight-condition-bar .stepper-row {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.flight-condition-bar .airspeed-stepper-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.flight-condition-bar .stepper-btn {
  min-width: 0;
  min-height: 44px;
  padding: 4px 7px;
  border-radius: 0;
  background: #07111d;
}

.flight-condition-bar .stepper-row > :first-child {
  border-radius: 4px 0 0 4px;
}

.flight-condition-bar .stepper-row > :last-child {
  border-radius: 0 4px 4px 0;
}

.flight-condition-bar .stepper-readout {
  min-width: 0;
  min-height: 44px;
  padding: 4px 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
  background: rgba(13, 25, 39, 0.92);
}

.flight-condition-bar .stepper-readout span {
  font-size: 1.05rem;
  line-height: 1;
}

.flight-condition-bar .stepper-readout small {
  display: inline;
  margin: 0;
  font-size: 0.42rem;
}

.flight-condition-bar .stepper-btn small {
  display: block;
  margin: 0 0 2px;
  font-size: 0.4rem;
}

.flight-condition-bar .stepper-btn strong {
  font-size: 0.82rem;
}

.flight-condition-bar .maneuver-btn strong {
  font-size: 0.72rem;
}

.flight-condition-bar .maneuver-btn {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 5px;
}

.maneuver-copy {
  min-width: 0;
}

.maneuver-arrow {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
}

.speed-arrow {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
}

.speed-copy {
  min-width: 0;
}

.flight-condition-bar .speed-btn {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 5px;
}

.level-symbol {
  color: var(--cyan);
  font-size: 0.8rem;
  line-height: 1;
}

.flight-condition-bar .maneuver-btn:disabled {
  cursor: default;
  opacity: 0.45;
}

.flight-condition-bar .maneuver-btn.active:disabled {
  border-color: var(--accent);
  background: rgba(247, 166, 33, 0.09);
  box-shadow: inset 3px 0 0 var(--accent);
  opacity: 1;
}

.flight-condition-bar .maneuver-btn.active .maneuver-arrow {
  color: var(--accent);
}

.flight-condition-bar .stepper-center-btn {
  min-width: 0;
  min-height: 44px;
  border: 1px solid #304967;
  border-radius: 0;
  background: #07111d;
  box-shadow: none;
}

.flight-condition-bar .stepper-center-btn em {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 0.5rem;
}

.flight-condition-bar .stepper-readout em {
  margin: 0 0 0 3px;
  padding-left: 7px;
  border-left: 1px solid rgba(69, 200, 220, 0.42);
  font-size: 0.42rem;
  white-space: nowrap;
}

.flight-condition-bar .stepper-center-btn em {
  margin: 0;
  padding-left: 0;
  border-left: 0;
}

.flight-condition-bar .stepper-center-btn:disabled {
  color: var(--text-dimmer);
  cursor: default;
  opacity: 0.5;
}

.flight-condition-bar .stepper-center-btn.active {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(69, 200, 220, 0.08);
}

.flight-condition-bar #sandbox-reset-btn {
  grid-column: 2;
  grid-row: 1;
  min-height: 32px;
  padding: 6px 8px;
  font-size: 0.5rem;
}

.bottom-reference-panel {
  min-width: 0;
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 18px;
}

.bottom-reference-panel .explanation,
.bottom-reference-panel .reference {
  margin: 0;
  border-color: #263e5a;
  background: rgba(7, 18, 31, 0.93);
}

.app.quiz-mode .layout {
  grid-template-columns: 1fr;
}

.app.quiz-mode .visual-deck {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.app.quiz-mode .visual-deck > .gauge-panel {
  order: -1;
  border-bottom-color: rgba(38, 62, 90, 0.62);
  border-radius: 4px 4px 0 0;
}

.app.quiz-mode .visual-deck > .system-panel {
  border-top: 0;
  border-radius: 0 0 4px 4px;
}

.app.quiz-mode .control-panel {
  position: static;
}

.app.quiz-mode .bottom-reference-panel {
  grid-template-columns: 1fr;
}

.app.quiz-mode #explanation-panel {
  display: none;
}

.app:not(.quiz-mode) .failure-control-group {
  display: none;
}

.app:not(.quiz-mode) .layout {
  grid-template-columns: 1fr;
}

.app:not(.quiz-mode) .control-panel {
  display: none;
}

.app:not(.quiz-mode) .gauge-panel {
  padding-bottom: 10px;
}

.app:not(.quiz-mode) .system-schematic {
  grid-template-columns: 1fr;
}

.app:not(.quiz-mode) .pressure-row {
  min-height: 0;
  grid-template-columns: minmax(126px, 1fr) 42px minmax(54px, 0.52fr);
  gap: 6px;
}

.app:not(.quiz-mode) .system-panel {
  padding-right: 14px;
  padding-left: 14px;
}

.app:not(.quiz-mode) .live-explanations {
  display: none;
}

@media (min-width: 1101px) {
  .system-schematic {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pressure-row {
    min-height: 146px;
    grid-template-columns: minmax(130px, 1fr) 58px minmax(62px, 0.55fr);
  }
}

@media (min-width: 701px) {
  .gauge-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .gauge {
    min-width: 0;
    max-width: none;
  }
}

.diagnosis-banner {
  display: none;
  margin: 0 0 14px;
  padding: 12px 16px;
}

.app.quiz-mode .diagnosis-banner {
  display: block;
}

.diagnosis-banner .quiz-condition {
  padding-bottom: 8px;
  margin-bottom: 8px !important;
}

.diagnosis-banner > #quiz-prompt {
  margin: 0;
  color: #aab8ca;
  font-size: 0.76rem;
}

.advanced-diagnosis-toggle {
  width: fit-content;
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: #8395ac;
  cursor: pointer;
}

.advanced-diagnosis-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.advanced-toggle-track {
  width: 34px;
  height: 18px;
  padding: 2px;
  flex: 0 0 auto;
  display: block;
  border: 1px solid #3a506b;
  border-radius: 999px;
  background: #0a1726;
  transition: border-color 0.16s, background 0.16s;
}

.advanced-toggle-track i {
  width: 12px;
  height: 12px;
  display: block;
  border-radius: 50%;
  background: #71849c;
  transition: transform 0.16s, background 0.16s, box-shadow 0.16s;
}

.advanced-diagnosis-toggle input:checked + .advanced-toggle-track {
  border-color: var(--accent);
  background: rgba(247, 166, 33, 0.12);
}

.advanced-diagnosis-toggle input:checked + .advanced-toggle-track i {
  background: var(--accent);
  transform: translateX(16px);
  box-shadow: 0 0 10px rgba(247, 166, 33, 0.55);
}

.advanced-diagnosis-toggle input:focus-visible + .advanced-toggle-track {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.advanced-toggle-copy strong,
.advanced-toggle-copy small {
  display: block;
}

.advanced-toggle-copy strong {
  color: #cad5e4;
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.advanced-toggle-copy small {
  margin-top: 2px;
  font-size: 0.64rem;
}

.diagnosis-only {
  display: none !important;
}

.app.quiz-mode.advanced-diagnosis .quiz-behavior-panel.diagnosis-only {
  display: block !important;
}

.app.quiz-mode .diagnosis-observation.diagnosis-only {
  display: grid !important;
}

.app.quiz-mode #quiz-submit-btn.diagnosis-only {
  display: flex !important;
}

.app.quiz-mode .live-explanations,
.app.quiz-mode .diagram-hint,
.app.quiz-mode .experiment-event {
  display: none;
}

.app.quiz-mode .pressure-row {
  min-height: 136px;
}

.app.quiz-mode .system-status {
  margin-top: 8px;
}

.gauge-panel {
  position: relative;
}

.diagnosis-observation {
  margin: 0 0 12px;
  border: 1px solid #263e5a;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: rgba(4, 15, 27, 0.74);
}

.diagnosis-observation span {
  min-width: 0;
  padding: 10px 12px;
  text-align: center;
}

.diagnosis-observation span + span {
  border-left: 1px solid #263e5a;
}

.diagnosis-observation small,
.diagnosis-observation strong {
  display: block;
  font-family: var(--mono);
}

.diagnosis-observation small {
  color: #6f829c;
  font-size: 0.46rem;
  letter-spacing: 0.1em;
}

.diagnosis-observation strong {
  margin-top: 5px;
  color: var(--cyan);
  font-size: 0.58rem;
  letter-spacing: 0.03em;
}

.diagnosis-toast {
  position: absolute;
  z-index: 20;
  top: 62px;
  left: 50%;
  width: min(86%, 410px);
  padding: 12px 16px;
  border: 1px solid;
  background: rgba(4, 14, 24, 0.96);
  text-align: center;
  transform: translateX(-50%);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.42);
}

.diagnosis-toast strong,
.diagnosis-toast span {
  display: block;
  font-family: var(--mono);
}

.diagnosis-toast strong {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
}

.diagnosis-toast span {
  margin-top: 5px;
  color: #9bacbf;
  font-size: 0.54rem;
}

.diagnosis-toast.correct {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 24px rgba(0, 230, 118, 0.22);
}

.diagnosis-toast.incorrect {
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 24px rgba(255, 84, 112, 0.2);
}

.system-panel {
  display: flex;
  flex-direction: column;
}

.system-schematic {
  display: grid;
  gap: 12px;
}

.pressure-row {
  min-height: 166px;
  padding: 12px;
  display: grid;
  grid-template-columns: minmax(148px, 1fr) 64px minmax(70px, 0.58fr);
  align-items: center;
  gap: 9px;
  border: 1px solid #263e5a;
  background: rgba(3, 12, 21, 0.64);
}

.source-choices {
  display: grid;
  gap: 6px;
}

.system-choice {
  min-height: 42px;
  padding: 6px 7px;
  display: grid;
  grid-template-columns: 20px 1fr;
  align-items: center;
  column-gap: 7px;
  border: 1px solid #253b55;
  border-radius: 3px;
  background: #091523;
  color: #dce6f5;
  text-align: left;
  cursor: pointer;
}

.system-choice:hover:not(:disabled),
.system-choice:focus-visible {
  border-color: var(--accent);
  outline: 0;
}

.system-choice.active,
.system-choice.selected {
  border-color: var(--accent);
  background: rgba(247, 166, 33, 0.09);
  box-shadow: inset 2px 0 0 var(--accent);
}

.system-choice.correct {
  border-color: var(--green);
  background: rgba(0, 230, 118, 0.08);
  box-shadow: inset 2px 0 0 var(--green);
}

.system-choice.incorrect {
  border-color: var(--red);
  color: var(--red);
  box-shadow: inset 2px 0 0 var(--red);
}

.system-choice:disabled {
  cursor: default;
  opacity: 0.42;
}

.system-choice span,
.system-choice small {
  grid-column: 2;
}

.system-choice span {
  font-family: var(--mono);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.system-choice small {
  color: #9caec2;
  font-size: 0.58rem;
  font-weight: 600;
  line-height: 1.15;
}

.choice-symbol {
  position: relative;
  grid-row: 1 / span 2;
  width: 17px;
  height: 17px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.normal-symbol::after {
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 7px rgba(0, 230, 118, 0.55);
  content: "";
}

.pitot-symbol {
  border-radius: 2px 9px 9px 2px;
}

.pitot-symbol::after,
.static-symbol::after {
  position: absolute;
  inset: -3px 6px;
  background: var(--red);
  content: "";
  transform: rotate(45deg);
}

.drain-symbol {
  border-radius: 2px 9px 9px 2px;
}

.drain-symbol::before,
.drain-symbol::after {
  position: absolute;
  width: 3px;
  height: 20px;
  background: var(--red);
  content: "";
  transform: rotate(45deg);
}

.drain-symbol::before { top: -4px; left: 2px; }
.drain-symbol::after { top: -4px; right: 2px; }

.static-symbol {
  border-style: dotted;
}

.alternate-symbol {
  border-color: var(--accent);
}

.alternate-symbol::after {
  position: absolute;
  top: 3px;
  left: 4px;
  width: 5px;
  height: 7px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  content: "";
  transform: rotate(-45deg);
}

.pressure-path {
  position: relative;
  height: 4px;
  overflow: visible;
  background: var(--cyan);
  box-shadow: 0 0 9px rgba(69, 200, 220, 0.36);
}

.static-path {
  background: var(--accent);
  box-shadow: 0 0 9px rgba(247, 166, 33, 0.34);
}

.pressure-path::before,
.pressure-path::after {
  position: absolute;
  content: "";
}

.pressure-path::before {
  top: -5px;
  right: -1px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 10px solid currentColor;
  color: var(--cyan);
}

.static-path::before {
  color: var(--accent);
}

.pressure-path::after {
  top: -18px;
  right: -9px;
  width: 1px;
  height: 40px;
  background: currentColor;
  opacity: 0.25;
}

.flow-pulse {
  position: absolute;
  top: -3px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e6fbff;
  box-shadow: 0 0 10px currentColor;
  animation: pressure-flow 2.1s linear infinite;
}

.static-path .flow-pulse {
  background: #fff0c9;
}

.flow-pulse.two { animation-delay: -0.7s; }
.flow-pulse.three { animation-delay: -1.4s; }

@keyframes pressure-flow {
  from { left: -2px; opacity: 0; }
  18%, 82% { opacity: 1; }
  to { left: calc(100% - 8px); opacity: 0; }
}

.receiver-cluster {
  display: grid;
  gap: 5px;
}

.static-receivers {
  position: relative;
  padding: 17px 0 0 15px;
  gap: 7px;
}

.manifold-label {
  position: absolute;
  top: 0;
  left: 1px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.31rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.static-receivers::before {
  position: absolute;
  top: 31px;
  bottom: 16px;
  left: 4px;
  width: 3px;
  background: var(--accent);
  box-shadow: 0 0 7px rgba(247, 166, 33, 0.35);
  content: "";
}

.receiver-node {
  min-height: 34px;
  padding: 5px;
  display: grid;
  place-items: center;
  border: 1px solid #3b5877;
  background: #07111d;
  color: #dce6f5;
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  text-align: center;
}

.static-receivers .receiver-node {
  position: relative;
}

.static-receivers .receiver-node::before {
  position: absolute;
  top: calc(50% - 1px);
  left: -11px;
  width: 11px;
  height: 3px;
  background: var(--accent);
  box-shadow: 0 0 7px rgba(247, 166, 33, 0.35);
  content: "";
}

.static-receivers .receiver-node::after {
  position: absolute;
  top: calc(50% - 4px);
  left: -12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff0c9;
  box-shadow: 0 0 9px var(--accent);
  content: "";
  animation: manifold-flow 2.1s linear infinite;
}

@keyframes manifold-flow {
  from {
    left: -12px;
    opacity: 0;
  }
  28%, 80% {
    opacity: 1;
  }
  to {
    left: -3px;
    opacity: 0;
  }
}

.receiver-node small {
  color: var(--text-dim);
  font-size: 0.34rem;
}

.system-schematic[data-pitot="drain-clear"] .pitot-path,
.system-schematic[data-static="blocked"] .static-path {
  background: repeating-linear-gradient(90deg, var(--red) 0 7px, transparent 7px 12px);
  box-shadow: 0 0 10px rgba(255, 84, 112, 0.32);
}

.system-schematic[data-pitot="drain-clear"] .pitot-path::before,
.system-schematic[data-static="blocked"] .static-path::before {
  border-left-color: var(--red);
}

.system-schematic[data-pitot="drain-clear"] .pitot-path .flow-pulse,
.system-schematic[data-static="blocked"] .static-path .flow-pulse {
  display: none;
}

.system-schematic[data-pitot="drain-blocked"] .pitot-path {
  background: var(--accent);
  box-shadow: 0 0 11px rgba(247, 166, 33, 0.42);
}

.system-schematic[data-pitot="drain-blocked"] .pitot-path .flow-pulse {
  animation: none;
  left: calc(50% - 5px);
  background: var(--accent);
}

.system-schematic[data-static="alt-static"] .static-path {
  background: var(--cyan);
}

.system-schematic[data-static="alt-static"] .static-receivers::before,
.system-schematic[data-static="alt-static"] .static-receivers .receiver-node::before {
  background: var(--cyan);
  box-shadow: 0 0 7px rgba(69, 200, 220, 0.35);
}

.system-schematic[data-static="alt-static"] .manifold-label {
  color: var(--cyan);
}

.system-schematic[data-static="alt-static"] .static-receivers .receiver-node::after {
  background: #e6fbff;
  box-shadow: 0 0 9px var(--cyan);
}

.system-schematic[data-static="blocked"] .static-receivers::before,
.system-schematic[data-static="blocked"] .static-receivers .receiver-node::before {
  background: repeating-linear-gradient(180deg, var(--red) 0 5px, transparent 5px 8px);
  box-shadow: none;
}

.system-schematic[data-static="blocked"] .manifold-label {
  color: var(--red);
}

.system-schematic[data-static="blocked"] .static-receivers .receiver-node::after,
.system-schematic[data-static="unknown"] .static-receivers .receiver-node::after {
  display: none;
}

.system-schematic[data-pitot="unknown"] .pitot-path,
.system-schematic[data-static="unknown"] .static-path {
  background: #2b3d52;
  box-shadow: none;
}

.system-schematic[data-pitot="unknown"] .pitot-path .flow-pulse,
.system-schematic[data-static="unknown"] .static-path .flow-pulse {
  display: none;
}

.system-schematic[data-static="unknown"] .static-receivers::before,
.system-schematic[data-static="unknown"] .static-receivers .receiver-node::before {
  background: #2b3d52;
  box-shadow: none;
}

.system-schematic[data-static="unknown"] .manifold-label {
  color: var(--text-dimmer);
}

.system-status {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid #263e5a;
}

.system-status > span {
  min-height: 54px;
  padding: 9px;
  display: grid;
  align-content: center;
  border-right: 1px solid #263e5a;
}

.system-status > span:last-child {
  border-right: 0;
}

.system-status small,
.system-status strong {
  display: block;
  font-family: var(--mono);
}

.system-status small {
  color: var(--text-dim);
  font-size: 0.38rem;
  letter-spacing: 0.09em;
}

.system-status strong {
  margin-top: 4px;
  color: var(--cyan);
  font-size: 0.55rem;
}

.experiment-event {
  margin: 9px 0 0;
  padding: 8px 10px;
  border: 1px solid rgba(247, 166, 33, 0.46);
  background: rgba(247, 166, 33, 0.08);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
}

.experiment-event[hidden] {
  display: none;
}

.live-explanations {
  margin-top: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.live-explanations > div {
  min-height: 74px;
  padding: 9px;
  border: 1px solid #263e5a;
  background: rgba(12, 28, 46, 0.58);
}

.live-explanations small {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.38rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.live-explanations p {
  margin: 6px 0 0;
  color: #93a4ba;
  font-size: 0.62rem;
  line-height: 1.35;
}

.diagram-hint {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 0.68rem;
  line-height: 1.35;
}

.gauge-behavior {
  width: fit-content;
  margin-top: 3px;
  padding: 3px 6px;
  border: 1px solid rgba(0, 230, 118, 0.35);
  background: rgba(0, 230, 118, 0.05);
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.43rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.gauge-behavior[data-behavior="high"],
.gauge-behavior[data-behavior="low"],
.gauge-behavior[data-behavior="alt-like"] {
  border-color: rgba(247, 166, 33, 0.48);
  background: rgba(247, 166, 33, 0.07);
  color: var(--accent);
}

.gauge-behavior[data-behavior="zero"],
.gauge-behavior[data-behavior="frozen"] {
  border-color: rgba(255, 84, 112, 0.48);
  background: rgba(255, 84, 112, 0.07);
  color: var(--red);
}

.gauge-behavior[data-behavior="diagnose"] {
  border-color: rgba(69, 200, 220, 0.45);
  background: rgba(69, 200, 220, 0.06);
  color: var(--cyan);
}

.gauge-delta {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 700;
  white-space: nowrap;
}

.truths-hidden .gauge-delta {
  display: none;
}

.flight-presets {
  margin-bottom: 14px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.flight-presets button {
  min-height: 42px;
  padding: 6px;
  border: 1px solid #304967;
  border-radius: 3px;
  background: #07111d;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.flight-presets button:hover,
.flight-presets button:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: 0;
}

.quiz-behavior-panel {
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid #263e5a;
  background: rgba(12, 28, 46, 0.72);
}

.quiz-behavior-panel .subgroup-label {
  margin-top: 0;
}

.quiz-behavior-panel p {
  margin: -2px 0 12px;
  color: var(--text-dim);
  font-size: 0.74rem;
}

.behavior-cycle-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.behavior-cycle {
  min-height: 62px;
  padding: 9px;
  border: 1px solid #304967;
  border-radius: 3px;
  background: #07111d;
  color: #dce6f5;
  cursor: pointer;
}

.behavior-cycle:disabled {
  opacity: 0.42;
  cursor: default;
}

.behavior-cycle small,
.behavior-cycle strong {
  display: block;
  font-family: var(--mono);
}

.behavior-cycle small {
  color: var(--cyan);
  font-size: 0.44rem;
  letter-spacing: 0.1em;
}

.behavior-cycle strong {
  margin-top: 7px;
  color: var(--accent);
  font-size: 0.58rem;
}

.behavior-cycle.selected {
  border-color: var(--accent);
  background: rgba(247, 166, 33, 0.08);
}

.behavior-cycle.correct {
  border-color: var(--green);
  background: rgba(0, 230, 118, 0.08);
}

.behavior-cycle.incorrect {
  border-color: var(--red);
  background: rgba(255, 84, 112, 0.08);
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .visual-deck {
    grid-template-columns: 1fr;
  }

  .visual-deck > .gauge-panel {
    grid-column: 1;
    grid-row: 1;
  }

  .visual-deck > .system-panel {
    grid-column: 1;
    grid-row: 2;
  }

  .control-panel {
    position: static;
  }
}

@media (max-width: 860px) {
  .visual-deck {
    grid-template-columns: 1fr;
  }

  .pressure-row {
    grid-template-columns: minmax(210px, 1fr) minmax(80px, 0.55fr) minmax(120px, 0.6fr);
  }

  .bottom-reference-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) {
  .app.visual-mode .flight-condition-bar .flight-control-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 7px;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row,
  .app.visual-mode .flight-condition-bar .airspeed-stepper-row {
    height: 180px;
    grid-template-columns: minmax(0, 1fr);
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row {
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row > *,
  .app.visual-mode .flight-condition-bar .airspeed-stepper-row > * {
    border-radius: 0;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row > :first-child,
  .app.visual-mode .flight-condition-bar .airspeed-stepper-row > :first-child {
    border-radius: 4px 4px 0 0;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row > :last-child,
  .app.visual-mode .flight-condition-bar .airspeed-stepper-row > :last-child {
    border-radius: 0 0 4px 4px;
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row {
    height: 180px;
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row .speed-btn {
    min-height: 0;
  }

  .app.visual-mode .flight-condition-bar .maneuver-btn,
  .app.visual-mode .flight-condition-bar .speed-btn {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto;
    justify-items: center;
    align-content: center;
    gap: 3px;
    text-align: center;
  }

  .app.visual-mode .flight-condition-bar .stepper-center-btn {
    flex-direction: column;
    gap: 3px;
  }
}

@media (max-width: 700px) {
  .visual-deck {
    gap: 0;
  }

  .flight-condition-bar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .flight-condition-bar .flight-control-group {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .flight-condition-bar .stepper-block {
    display: grid;
    grid-template-columns: 1fr;
  }

  .flight-condition-bar #sandbox-reset-btn {
    align-self: center;
  }

  .trainer-mode-toggle {
    width: 100%;
  }

  .trainer-mode-toggle .mode-group {
    flex: 1 1 auto;
  }

  .trainer-mode-toggle .mode-btn {
    flex: 1;
  }

  .diagnosis-banner {
    padding: 10px;
  }

  .diagnosis-toast {
    position: fixed;
    top: 82px;
  }

  .diagnosis-observation span {
    padding: 8px 4px;
  }

  .diagnosis-observation strong {
    font-size: 0.48rem;
  }

  .pressure-row {
    min-height: 0;
    padding: 8px;
    grid-template-columns: minmax(0, 1fr) 38px 52px;
    gap: 5px;
  }

  .system-choice {
    min-height: 38px;
    grid-template-columns: 16px 1fr;
    padding: 5px;
  }

  .choice-symbol {
    width: 14px;
    height: 14px;
  }

  .system-choice span {
    font-size: 0.43rem;
  }

  .system-choice small {
    font-size: 0.48rem;
  }

  .pressure-path {
    height: 3px;
  }

  .receiver-node {
    min-height: 28px;
    font-size: 0.48rem;
  }

  .receiver-node small {
    display: none;
  }

  .system-status strong {
    font-size: 0.46rem;
  }

  .live-explanations {
    grid-template-columns: 1fr;
  }

  .live-explanations > div {
    min-height: 0;
  }

  .gauge-behavior {
    font-size: 0.34rem;
  }

  .gauge-delta {
    font-size: 0.43rem;
  }

  .flight-presets {
    grid-template-columns: repeat(3, 1fr);
  }

  .behavior-cycle-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Visual mode prototype ---------- */

.visual-source-label,
.visual-pressure-network,
.visual-condition-dock,
.visual-panel-title {
  display: none;
}

.app.visual-mode .visual-deck {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.app.visual-mode .visual-deck > .system-panel {
  display: none;
}

.app.visual-mode .visual-deck > .gauge-panel {
  order: 1;
  border-radius: 4px;
}

.app.visual-mode .standard-panel-title {
  display: none;
}

.app.visual-mode .visual-panel-title {
  display: inline;
}

.app.visual-mode .visual-condition-dock {
  margin-bottom: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.app.visual-mode .visual-condition-group {
  min-width: 0;
  padding: 8px;
  border: 1px solid #263e5a;
  background: rgba(3, 12, 21, 0.64);
}

.app.visual-mode .visual-condition-head {
  min-height: 22px;
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.44rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.app.visual-mode .visual-condition-head span {
  color: var(--accent);
}

.app.visual-mode .visual-condition-head strong {
  display: none;
}

.app[data-pitot="drain-clear"] #visual-pitot-status,
.app[data-static="blocked"] #visual-static-status {
  border-color: rgba(255, 84, 112, 0.48);
  color: #ff718a;
  background: rgba(255, 84, 112, 0.08);
}

.app[data-pitot="drain-blocked"] #visual-pitot-status,
.app[data-static="alt-static"] #visual-static-status {
  border-color: rgba(247, 166, 33, 0.48);
  color: #ffb52e;
  background: rgba(247, 166, 33, 0.08);
}

.app.visual-mode .visual-condition-group .source-choices {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
}

.app.visual-mode .visual-condition-group .system-choice {
  min-width: 0;
  min-height: 44px;
  border-color: #2d4868;
  border-radius: 6px;
  background: linear-gradient(180deg, #13243a 0%, #0b192a 58%, #07121f 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.055),
    0 3px 0 #020812,
    0 6px 14px rgba(0, 0, 0, 0.2);
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease;
}

.app.visual-mode .visual-condition-group .system-choice:hover:not(:disabled):not(.active):not(.selected),
.app.visual-mode .visual-condition-group .system-choice:focus-visible:not(.active):not(.selected) {
  transform: translateY(-1px);
  border-color: rgba(69, 200, 220, 0.72);
  background: linear-gradient(180deg, #172c45 0%, #0c1d30 58%, #081522 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.075),
    0 4px 0 #020812,
    0 8px 18px rgba(0, 0, 0, 0.24);
}

.app.visual-mode .visual-condition-group .system-choice:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.42), 0 1px 0 #020812;
}

.app.visual-mode .visual-condition-group .system-choice.active,
.app.visual-mode .visual-condition-group .system-choice.selected {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(16, 67, 84, 0.98) 0%, rgba(9, 38, 52, 0.98) 62%, #061923 100%);
  box-shadow:
    inset 3px 0 0 var(--cyan),
    inset 0 1px 0 rgba(172, 244, 255, 0.18),
    0 3px 0 #020812,
    0 0 14px rgba(69, 200, 220, 0.16);
}

.app.visual-mode .visual-condition-group .system-choice.correct {
  border-color: var(--green);
  background: linear-gradient(180deg, rgba(13, 70, 52, 0.94), rgba(6, 37, 31, 0.98));
  box-shadow: inset 3px 0 0 var(--green), 0 3px 0 #020812, 0 0 14px rgba(0, 230, 118, 0.12);
}

.app.visual-mode .visual-condition-group .system-choice.incorrect {
  border-color: var(--red);
  background: linear-gradient(180deg, rgba(78, 25, 38, 0.94), rgba(39, 12, 22, 0.98));
  box-shadow: inset 3px 0 0 var(--red), 0 3px 0 #020812, 0 0 14px rgba(255, 84, 112, 0.12);
}

.app.visual-mode .system-panel .system-schematic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.app.visual-mode .system-panel .pressure-row {
  min-height: 0;
  padding: 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
}

.app.visual-mode .visual-source-label {
  display: block;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.43rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.app.visual-mode .system-panel .source-choices {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
}

.app.visual-mode .system-panel .pressure-path,
.app.visual-mode .system-panel .receiver-cluster {
  display: none;
}

.app.visual-mode .system-panel .system-status {
  margin-top: 9px;
}

.app.visual-mode .diagram-hint,
.app.visual-mode .live-explanations {
  display: none;
}

.app.visual-mode .gauge-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.app.visual-mode .gauge {
  min-width: 0;
  max-width: none;
}

.app.visual-mode .visual-pressure-network {
  --pitot-network: var(--cyan);
  --static-network: var(--cyan);
  position: relative;
  height: 94px;
  margin: -2px 0 10px;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(38, 62, 90, 0.7);
  background:
    linear-gradient(90deg, transparent 33.2%, rgba(38, 62, 90, 0.28) 33.3%, transparent 33.5%, transparent 66.4%, rgba(38, 62, 90, 0.28) 66.5%, transparent 66.7%),
    rgba(3, 12, 21, 0.52);
}

.visual-network-label {
  position: absolute;
  left: 7px;
  z-index: 2;
  padding: 1px 4px;
  background: #07121f;
  font-family: var(--mono);
  font-size: 0.39rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.visual-network-label b {
  width: 14px;
  height: 14px;
  margin-right: 3px;
  display: inline-grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.34rem;
}

.visual-network-label i {
  margin-left: 3px;
  color: #dce7f4;
  font-style: normal;
  letter-spacing: 0.04em;
}

.pitot-network-label {
  top: 7px;
  color: var(--pitot-network);
}

.static-network-label {
  top: 35px;
  color: var(--static-network);
}

.visual-pitot-feed,
.visual-static-feed,
.visual-pitot-branch,
.visual-static-branch {
  position: absolute;
  display: block;
  color: var(--pitot-network);
  background: currentColor;
  box-shadow: 0 0 7px color-mix(in srgb, currentColor 38%, transparent);
}

.visual-pitot-feed {
  top: 20px;
  left: 7px;
  width: calc(16.666% - 21px);
  height: 3px;
}

.visual-pitot-feed::after,
.visual-static-feed::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid currentColor;
  transform: translate(100%, -50%);
  filter: drop-shadow(0 0 4px currentColor);
}

.visual-static-feed {
  top: 49px;
  left: 7px;
  width: calc(83.333% - 7px);
  height: 3px;
  color: var(--static-network);
}

.visual-pitot-branch,
.visual-static-branch {
  top: 20px;
  left: calc(16.666% - 14px);
  width: 3px;
  height: 54px;
}

.visual-static-branch {
  top: 49px;
  height: 25px;
  color: var(--static-network);
}

.visual-static-branch.branch-asi { left: calc(16.666% + 14px); }
.visual-static-branch.branch-alt { left: 50%; }
.visual-static-branch.branch-vsi { left: 83.333%; }

.network-pulse,
.branch-pulse {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f5fdff;
  box-shadow: 0 0 8px currentColor;
}

.network-pulse {
  top: -2px;
  left: 0;
  animation: visual-network-flow 2.1s linear infinite;
}

.network-pulse.pulse-two { animation-delay: -0.7s; }
.network-pulse.pulse-three { animation-delay: -1.4s; }

.branch-pulse {
  top: 0;
  left: -2px;
  animation: visual-branch-flow 2.1s linear infinite;
  animation-delay: -0.15s;
}

@keyframes visual-network-flow {
  from { left: 0; opacity: 0; }
  18%, 82% { opacity: 1; }
  to { left: calc(100% - 7px); opacity: 0; }
}

@keyframes visual-branch-flow {
  from { top: 0; opacity: 0; }
  18%, 82% { opacity: 1; }
  to { top: calc(100% - 7px); opacity: 0; }
}

.visual-port-grid {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
}

.visual-port-grid > span {
  display: flex;
  justify-content: center;
  gap: 3px;
}

.visual-port-grid b {
  padding: 2px 4px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: #07111d;
  font-family: var(--mono);
  font-size: 0.34rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.visual-port-grid .pitot-port { color: var(--pitot-network); }
.visual-port-grid .static-port { color: var(--static-network); }

.app[data-pitot="drain-clear"] .visual-pressure-network {
  --pitot-network: var(--red);
}

.app[data-pitot="drain-clear"] .visual-pitot-feed,
.app[data-pitot="drain-clear"] .visual-pitot-branch {
  background: repeating-linear-gradient(90deg, var(--red) 0 5px, transparent 5px 8px);
  box-shadow: none;
}

.app[data-pitot="drain-clear"] .visual-pitot-branch {
  background: repeating-linear-gradient(180deg, var(--red) 0 5px, transparent 5px 8px);
}

.app[data-pitot="drain-clear"] .visual-pitot-feed .network-pulse,
.app[data-pitot="drain-clear"] .visual-pitot-branch .branch-pulse {
  display: none;
}

.app[data-pitot="drain-blocked"] .visual-pressure-network {
  --pitot-network: var(--accent);
}

.app[data-pitot="drain-blocked"] .visual-pitot-feed .network-pulse,
.app[data-pitot="drain-blocked"] .visual-pitot-branch .branch-pulse {
  animation: none;
  opacity: 1;
}

.app[data-pitot="drain-blocked"] .visual-pitot-feed .pulse-one { left: 28%; }
.app[data-pitot="drain-blocked"] .visual-pitot-feed .pulse-two { left: 72%; }
.app[data-pitot="drain-blocked"] .visual-pitot-branch .branch-pulse { top: 55%; }

.app[data-static="blocked"] .visual-pressure-network {
  --static-network: var(--accent);
}

.app[data-static="blocked"] .visual-static-feed .network-pulse,
.app[data-static="blocked"] .visual-static-branch .branch-pulse {
  animation: none;
  opacity: 1;
}

.app[data-static="blocked"] .visual-static-feed .pulse-one { left: 18%; }
.app[data-static="blocked"] .visual-static-feed .pulse-two { left: 50%; }
.app[data-static="blocked"] .visual-static-feed .pulse-three { left: 82%; }
.app[data-static="blocked"] .visual-static-branch .branch-pulse { top: 55%; }

.app[data-static="alt-static"] .visual-pressure-network {
  --static-network: var(--cyan);
}

.visual-pressure-network.pitot-change .visual-pitot-feed,
.visual-pressure-network.pitot-change .visual-pitot-branch,
.visual-pressure-network.static-change .visual-static-feed,
.visual-pressure-network.static-change .visual-static-branch {
  animation: pressure-path-change 0.9s ease-out;
}

.app.visual-mode .gauge.condition-pulse {
  animation: affected-instrument-pulse 0.9s ease-out;
}

@keyframes pressure-path-change {
  0%, 100% { filter: brightness(1); }
  35% { filter: brightness(2.1); box-shadow: 0 0 18px currentColor; }
}

@keyframes affected-instrument-pulse {
  0%, 100% { box-shadow: none; }
  35% { box-shadow: inset 0 0 0 1px rgba(69, 200, 220, 0.7), 0 0 22px rgba(69, 200, 220, 0.18); }
}

@media (min-width: 1101px) {
  .app.visual-mode .visual-deck > .gauge-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(258px, 286px);
    grid-template-rows: auto auto auto auto;
    align-items: start;
    gap: 0 14px;
  }

  .app.visual-mode .gauge-panel > .card-head {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .app.visual-mode .visual-condition-dock {
    grid-column: 1;
    grid-row: 2;
  }

  .app.visual-mode .visual-pressure-network {
    grid-column: 1;
    grid-row: 3;
  }

  .app.visual-mode .gauge-row {
    grid-column: 1;
    grid-row: 4;
  }

  .app.visual-mode .flight-condition-bar {
    grid-column: 2;
    grid-row: 2 / 5;
    align-self: stretch;
    margin: 0;
    padding: 0 10px 10px;
    grid-template-columns: minmax(0, 1fr) auto;
    align-content: start;
    border: 1px solid #263e5a;
    background: rgba(3, 12, 21, 0.64);
  }

  .app.visual-mode .flight-condition-bar .flight-condition-heading {
    padding: 10px 0 9px;
  }

  .app.visual-mode .flight-condition-bar .flight-control-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 8px;
    padding-top: 11px;
  }

  .app.visual-mode .flight-condition-bar .flight-state-card {
    grid-row: 2;
    margin: 0 -2px;
    padding: 11px 9px;
    border: 1px solid rgba(38, 62, 90, 0.65);
  }

  .app.visual-mode .flight-condition-bar .flight-control-group {
    grid-row: 4;
  }

  .app.visual-mode .flight-condition-bar .stepper-block {
    gap: 5px;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row {
    height: 240px;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row {
    height: 240px;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row > * {
    min-height: 0;
    border-radius: 0;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row > :first-child {
    border-radius: 4px 4px 0 0;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row > :last-child {
    border-radius: 0 0 4px 4px;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row .maneuver-btn {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto;
    justify-items: center;
    align-content: center;
    gap: 4px;
    padding: 8px 12px;
    text-align: center;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row .maneuver-arrow {
    font-size: 1.75rem;
    text-align: center;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row .stepper-center-btn {
    flex-direction: column;
    gap: 4px;
  }

  .app.visual-mode .flight-condition-bar .altitude-stepper-row .level-symbol {
    font-size: 1.2rem;
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row > * {
    min-height: 0;
    border-radius: 0;
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row > :first-child {
    border-radius: 4px 4px 0 0;
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row > :last-child {
    border-radius: 0 0 4px 4px;
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row .speed-btn {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto;
    justify-items: center;
    align-content: center;
    gap: 4px;
    padding: 8px 12px;
    text-align: center;
  }

  .app.visual-mode .flight-condition-bar .airspeed-stepper-row .speed-arrow {
    font-size: 1.75rem;
    text-align: center;
  }

  .app.visual-mode .flight-condition-bar .stepper-btn,
  .app.visual-mode .flight-condition-bar .stepper-readout {
    min-height: 48px;
    padding-right: 4px;
    padding-left: 4px;
  }

  .app.visual-mode .flight-condition-bar .stepper-label {
    font-size: 0.5rem;
  }

  .app.visual-mode .flight-condition-bar .stepper-label strong {
    font-size: 0.56rem;
  }

  .app.visual-mode .flight-condition-bar .stepper-btn small {
    font-size: 0.48rem;
  }

  .app.visual-mode .flight-condition-bar .stepper-btn strong {
    font-size: 0.9rem;
  }

  .app.visual-mode .flight-condition-bar .maneuver-btn strong {
    font-size: 0.68rem;
  }

  .app.visual-mode .flight-condition-bar .stepper-center-btn em {
    font-size: 0.56rem;
  }

  .app.visual-mode .flight-condition-bar #sandbox-reset-btn {
    align-self: center;
  }
}

/* Matched flight-control keys: airspeed aligns with climb and descend while
   the center lane remains reserved for the level-off control. */
.app.visual-mode .flight-condition-bar .altitude-stepper-row,
.app.visual-mode .flight-condition-bar .airspeed-stepper-row {
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.app.visual-mode .flight-condition-bar .airspeed-stepper-row #ias-inc {
  grid-row: 1;
}

.app.visual-mode .flight-condition-bar .airspeed-stepper-row #ias-dec {
  grid-row: 3;
}

.app.visual-mode .flight-condition-bar .altitude-stepper-row > *,
.app.visual-mode .flight-condition-bar .airspeed-stepper-row > * {
  border: 1px solid #365879;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(21, 43, 65, 0.76) 0%, rgba(8, 20, 34, 0.96) 62%, #06101c 100%);
  box-shadow:
    inset 0 1px 0 rgba(159, 211, 236, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.45),
    0 3px 0 #020812,
    0 6px 14px rgba(0, 0, 0, 0.18);
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease;
}

.app.visual-mode .flight-condition-bar .altitude-stepper-row > :first-child,
.app.visual-mode .flight-condition-bar .altitude-stepper-row > :last-child,
.app.visual-mode .flight-condition-bar .airspeed-stepper-row > :first-child,
.app.visual-mode .flight-condition-bar .airspeed-stepper-row > :last-child {
  border-radius: 8px;
}

.app.visual-mode .flight-condition-bar .maneuver-arrow,
.app.visual-mode .flight-condition-bar .speed-arrow,
.app.visual-mode .flight-condition-bar .level-symbol {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(69, 200, 220, 0.42);
  border-radius: 7px;
  color: #64dcf0;
  background: linear-gradient(180deg, rgba(69, 200, 220, 0.16), rgba(69, 200, 220, 0.05));
  box-shadow: inset 0 0 12px rgba(69, 200, 220, 0.06);
  font-size: 1.05rem;
}

.app.visual-mode .flight-condition-bar .level-symbol {
  color: var(--accent);
  border-color: rgba(247, 166, 33, 0.34);
  background: linear-gradient(180deg, rgba(247, 166, 33, 0.12), rgba(247, 166, 33, 0.03));
}

.app.visual-mode .flight-condition-bar .maneuver-copy small,
.app.visual-mode .flight-condition-bar .speed-copy small {
  margin-bottom: 3px;
  color: #65dff3;
  letter-spacing: 0.13em;
}

.app.visual-mode .flight-condition-bar .maneuver-copy strong,
.app.visual-mode .flight-condition-bar .speed-copy strong {
  color: #ffb52e;
  text-shadow: 0 0 12px rgba(247, 166, 33, 0.12);
}

.app.visual-mode .flight-condition-bar .stepper-btn:not(:disabled):hover,
.app.visual-mode .flight-condition-bar .stepper-center-btn:not(:disabled):hover {
  transform: translateY(-1px);
  border-color: rgba(69, 200, 220, 0.8);
  background:
    linear-gradient(180deg, rgba(26, 58, 84, 0.9) 0%, rgba(9, 27, 44, 0.98) 64%, #07131f 100%);
  box-shadow:
    inset 0 1px 0 rgba(178, 230, 250, 0.18),
    0 4px 0 #020812,
    0 8px 20px rgba(0, 0, 0, 0.24),
    0 0 14px rgba(69, 200, 220, 0.07);
}

.app.visual-mode .flight-condition-bar .stepper-btn:not(:disabled):active,
.app.visual-mode .flight-condition-bar .stepper-center-btn:not(:disabled):active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.42), 0 1px 0 #020812;
}

.app.visual-mode .flight-condition-bar .maneuver-btn.active:disabled {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(247, 166, 33, 0.2), rgba(35, 27, 14, 0.96));
  box-shadow: inset 0 0 18px rgba(247, 166, 33, 0.08), 0 3px 0 #020812, 0 0 14px rgba(247, 166, 33, 0.12);
}

.app.visual-mode .flight-condition-bar .stepper-center-btn.active {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(69, 200, 220, 0.18), rgba(8, 28, 40, 0.98));
}

.app.visual-mode .flight-condition-bar #sandbox-reset-btn {
  min-height: 36px;
  padding: 7px 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid #365879;
  border-radius: 8px;
  color: #91a4ba;
  background:
    linear-gradient(180deg, rgba(21, 43, 65, 0.76) 0%, rgba(8, 20, 34, 0.96) 62%, #06101c 100%);
  box-shadow:
    inset 0 1px 0 rgba(159, 211, 236, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.45),
    0 3px 0 #020812,
    0 6px 14px rgba(0, 0, 0, 0.18);
  transition: transform 0.14s ease, border-color 0.14s ease, color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease;
}

.app.visual-mode .flight-condition-bar #sandbox-reset-btn::before {
  content: "↻";
  color: #64dcf0;
  font-size: 0.82rem;
  line-height: 1;
}

.app.visual-mode .flight-condition-bar #sandbox-reset-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 84, 112, 0.72);
  color: #ff718a;
  background:
    linear-gradient(180deg, rgba(71, 35, 48, 0.72) 0%, rgba(29, 16, 28, 0.96) 64%, #130b15 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 183, 196, 0.12),
    0 4px 0 #020812,
    0 8px 18px rgba(0, 0, 0, 0.22),
    0 0 14px rgba(255, 84, 112, 0.08);
}

.app.visual-mode .flight-condition-bar #sandbox-reset-btn:hover::before {
  color: #ff718a;
}

.app.visual-mode .flight-condition-bar #sandbox-reset-btn:active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.42), 0 1px 0 #020812;
}

@media (max-width: 700px) {
  .app.visual-mode .trainer-mode-toggle .mode-btn {
    padding: 9px 7px;
    font-size: 0.52rem;
  }

  .app.visual-mode .visual-deck > .gauge-panel {
    padding-right: 5px;
    padding-left: 5px;
  }

  .app.visual-mode .visual-condition-dock {
    gap: 3px;
    margin-bottom: 3px;
  }

  .app.visual-mode .visual-condition-group {
    padding: 3px;
  }

  .app.visual-mode .visual-condition-head {
    min-height: 24px;
    margin-bottom: 3px;
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    gap: 3px;
    font-size: 0.35rem;
  }

  .app.visual-mode .maneuver-progress {
    height: 92px;
  }

  .app.visual-mode .visual-condition-head strong {
    padding: 2px 4px;
    font-size: 0.29rem;
    line-height: 1.1;
    text-align: left;
  }

  .app.visual-mode .visual-condition-group .source-choices {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .app.visual-mode .visual-condition-group .system-choice {
    min-height: 44px;
    padding: 5px;
    display: grid;
    grid-template-columns: 16px minmax(0, 1fr);
    align-items: center;
    column-gap: 6px;
    text-align: left;
  }

  .app.visual-mode .visual-condition-group .system-choice .choice-symbol {
    width: 14px;
    height: 14px;
    display: block;
  }

  .app.visual-mode .visual-condition-group .system-choice small {
    display: block;
    font-size: 0.36rem;
    line-height: 1.2;
  }

  .app.visual-mode .visual-condition-group .system-choice span {
    font-size: 0.43rem;
    line-height: 1.15;
  }

  .app.visual-mode .system-panel .system-schematic {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .app.visual-mode .system-panel .pressure-row {
    padding: 6px;
  }

  .app.visual-mode .system-panel .system-choice {
    min-height: 36px;
    padding: 4px;
  }

  .app.visual-mode .system-panel .system-choice small {
    display: none;
  }

  .app.visual-mode .system-panel .system-status {
    display: none;
  }

  .app.visual-mode .gauge-panel > .card-head {
    display: none;
  }

  .app.visual-mode .visual-pressure-network {
    height: 84px;
    margin: 2px 0 4px;
  }

  .app.visual-mode .visual-network-label {
    left: 5px;
    font-size: 0.34rem;
  }

  .app.visual-mode .visual-network-label b {
    width: 12px;
    height: 12px;
    font-size: 0.29rem;
  }

  .app.visual-mode .visual-network-label i {
    margin-left: 1px;
  }

  .app.visual-mode .visual-pitot-branch {
    height: 43px;
  }

  .app.visual-mode .visual-static-branch {
    height: 14px;
  }

  .app.visual-mode .gauge-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 3px;
  }

  .app.visual-mode .gauge {
    min-width: 0;
    padding: 2px;
    border: 0;
    background: transparent;
  }

  .app.visual-mode .gauge-head {
    justify-content: center;
    margin-bottom: 0;
  }

  .app.visual-mode .gauge-head-text {
    display: none;
  }

  .app.visual-mode .gauge-badge {
    width: 28px;
    height: 24px;
    border-radius: 3px;
    font-size: 0.5rem;
    box-shadow: none;
  }

  .app.visual-mode .tick-label { font-size: 14px; }
  .app.visual-mode .tick-label-sm { font-size: 10px; }

  .app.visual-mode .flight-condition-bar .flight-control-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
  }

  .app.visual-mode .flight-condition-bar .stepper-label {
    gap: 1px;
  }

  .app.visual-mode .flight-condition-bar .stepper-btn,
  .app.visual-mode .flight-condition-bar .stepper-readout {
    min-height: 40px;
    padding: 3px;
  }

  .app.visual-mode .flight-condition-bar .stepper-btn small,
  .app.visual-mode .flight-condition-bar .stepper-center-btn em {
    font-size: 0.36rem;
  }

  .app.visual-mode .flight-condition-bar .stepper-btn strong {
    font-size: 0.65rem;
  }
}

.app.visual-mode .flight-condition-bar .flight-control-group {
  column-gap: clamp(12px, 2vw, 16px);
}

@media (prefers-reduced-motion: reduce) {
  .app.visual-mode .network-pulse,
  .app.visual-mode .branch-pulse,
  .app.visual-mode .gauge.condition-pulse,
  .visual-pressure-network.pitot-change .visual-pitot-feed,
  .visual-pressure-network.pitot-change .visual-pitot-branch,
  .visual-pressure-network.static-change .visual-static-feed,
  .visual-pressure-network.static-change .visual-static-branch {
    animation: none;
  }
}

@media (max-width: 700px) {
  .app.quiz-mode.visual-mode .visual-condition-group .system-choice {
    min-height: 54px;
  }

  .app.quiz-mode.visual-mode .visual-condition-group .system-choice span {
    font-size: 0.52rem;
    line-height: 1.2;
  }

  .app.quiz-mode.visual-mode .visual-condition-group .system-choice small {
    color: #9caec2;
    font-size: 0.46rem;
    font-weight: 600;
    line-height: 1.25;
  }
}

/* ---------- Integrated Diagnosis layout ---------- */

.app.quiz-mode.visual-mode .visual-deck {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.app.quiz-mode.visual-mode .visual-deck > .system-panel {
  display: none;
}

.app.quiz-mode.visual-mode .visual-deck > .gauge-panel {
  order: 1;
  border-radius: 4px;
}

.app.quiz-mode .diagnosis-scenario-panel.diagnosis-only {
  display: flex !important;
}

.app.quiz-mode .diagnosis-answer-heading.diagnosis-only {
  display: flex !important;
}

.diagnosis-scenario-panel {
  min-width: 0;
  padding: 10px;
  flex-direction: column;
  gap: 10px;
  border: 1px solid #263e5a;
  background: rgba(3, 12, 21, 0.72);
}

.diagnosis-answer-heading {
  min-width: 0;
  padding: 7px 8px;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid rgba(247, 166, 33, 0.34);
  background: rgba(247, 166, 33, 0.055);
}

.diagnosis-answer-heading span,
.diagnosis-answer-heading small,
.diagnosis-answer-heading strong {
  display: block;
  font-family: var(--mono);
  text-transform: uppercase;
}

.diagnosis-answer-heading small {
  color: var(--cyan);
  font-size: 0.36rem;
  letter-spacing: 0.08em;
}

.diagnosis-answer-heading strong {
  margin-top: 2px;
  color: var(--accent);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
}

.diagnosis-answer-heading p {
  margin: 0;
  color: #91a3b8;
  font-size: 0.64rem;
  line-height: 1.45;
  text-align: right;
}

.diagnosis-scenario-head {
  padding-bottom: 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-bottom: 1px solid #263e5a;
}

.diagnosis-scenario-head span,
.diagnosis-scenario-head small,
.diagnosis-scenario-head strong {
  display: block;
  font-family: var(--mono);
  text-transform: uppercase;
}

.diagnosis-scenario-head small {
  color: var(--accent);
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.diagnosis-scenario-head strong {
  margin-top: 3px;
  color: var(--cyan);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.diagnosis-scenario-panel .new-scenario-btn {
  min-height: 38px;
  padding: 7px 10px;
  border: 1px solid #466482;
  border-radius: 3px;
  color: #09131f;
  background: linear-gradient(180deg, #ffc45a, var(--accent));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 3px 0 #5c3605;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
}

.diagnosis-setup-panel > .new-scenario-btn {
  width: 100%;
  min-height: 48px;
}

.diagnosis-workflow {
  margin: 0;
  padding: 7px 8px;
  border: 1px solid rgba(69, 200, 220, 0.25);
  color: #aebdce;
  background: rgba(69, 200, 220, 0.045);
  font-family: var(--mono);
  font-size: 0.46rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  line-height: 1.5;
  text-transform: uppercase;
}

.diagnosis-help {
  margin: 0;
  border: 1px solid rgba(69, 200, 220, 0.2);
  background: rgba(69, 200, 220, 0.035);
}

.diagnosis-help summary {
  min-height: 32px;
  padding: 7px 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #93a6bc;
  font-family: var(--mono);
  font-size: 0.48rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.diagnosis-help summary::-webkit-details-marker {
  display: none;
}

.diagnosis-help summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 0.72rem;
  line-height: 1;
}

.diagnosis-help[open] summary::after {
  content: "−";
}

.diagnosis-help[open] .diagnosis-workflow {
  border-width: 1px 0 0;
  font-size: 0.62rem;
  line-height: 1.65;
}

.diagnosis-workflow b {
  color: var(--cyan);
}

.diagnosis-workflow i {
  margin: 0 3px;
  color: var(--accent);
  font-style: normal;
}

.diagnosis-scenario-panel .new-scenario-btn:hover,
.diagnosis-scenario-panel .new-scenario-btn:focus-visible {
  filter: brightness(1.08);
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.diagnosis-scenario-panel .quiz-condition {
  margin: 0;
  padding: 9px 10px;
  border-left: 3px solid var(--accent);
  color: #d7e1ee;
  background: rgba(247, 166, 33, 0.07);
  font-size: 0.68rem;
  line-height: 1.42;
}

.diagnosis-known-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid #263e5a;
  background: rgba(6, 18, 31, 0.76);
}

.diagnosis-known-grid span {
  min-width: 0;
  padding: 8px 5px;
  text-align: center;
}

.diagnosis-known-grid span + span {
  border-left: 1px solid #263e5a;
}

.diagnosis-known-grid small,
.diagnosis-known-grid strong {
  display: block;
  font-family: var(--mono);
  text-transform: uppercase;
}

.diagnosis-known-grid small {
  color: #6f829c;
  font-size: 0.36rem;
  letter-spacing: 0.08em;
}

.diagnosis-known-grid strong {
  margin-top: 5px;
  color: var(--cyan);
  font-size: 0.6rem;
  letter-spacing: 0.03em;
}

.diagnosis-observe {
  padding: 8px 9px;
  border: 1px solid rgba(69, 200, 220, 0.28);
  background: rgba(69, 200, 220, 0.04);
}

.diagnosis-observe > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--mono);
  text-transform: uppercase;
}

.diagnosis-observe small {
  color: #71849c;
  font-size: 0.4rem;
  letter-spacing: 0.08em;
}

.diagnosis-observe strong {
  color: var(--cyan);
  font-size: 0.46rem;
  letter-spacing: 0.04em;
}

.diagnosis-observe > i {
  position: relative;
  height: 4px;
  margin-top: 7px;
  display: block;
  overflow: hidden;
  border-radius: 999px;
  background: #1e3149;
}

.diagnosis-observe > i b {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--accent));
  box-shadow: 0 0 10px rgba(69, 200, 220, 0.35);
}

.diagnosis-observe[data-state="observing"] > i b {
  animation: diagnosis-observe-progress 6s linear forwards;
}

.diagnosis-observe[data-state="complete"] > i b,
.diagnosis-observe[data-state="revealed"] > i b {
  width: 100%;
}

.diagnosis-observe[data-state="revealed"] strong {
  color: var(--accent);
}

@keyframes diagnosis-observe-progress {
  from { width: 0; }
  to { width: 100%; }
}

.diagnosis-scenario-panel > #quiz-prompt {
  margin: 0;
  padding: 8px 9px;
  border-left: 3px solid var(--cyan);
  color: #aab8ca;
  background: rgba(69, 200, 220, 0.055);
  font-size: 0.66rem;
  line-height: 1.4;
}

.diagnosis-scenario-panel .advanced-diagnosis-toggle {
  width: 100%;
  margin: 0;
  padding: 8px;
  border: 1px solid #263e5a;
  background: rgba(6, 18, 31, 0.76);
}

.diagnosis-scenario-panel .quiz-behavior-panel {
  display: none;
  margin: 0;
  padding: 9px;
}

.app.quiz-mode.advanced-diagnosis .diagnosis-scenario-panel .quiz-behavior-panel {
  display: block;
}

.diagnosis-scenario-panel .quiz-behavior-panel p {
  margin-bottom: 8px;
  font-size: 0.62rem;
}

.diagnosis-scenario-panel .behavior-cycle-row {
  gap: 4px;
}

.diagnosis-scenario-panel .behavior-cycle {
  min-height: 50px;
  padding: 6px 4px;
}

.diagnosis-scenario-panel #quiz-submit-btn {
  min-height: 44px;
  margin: 0;
}

.diagnosis-scenario-panel .diagnosis-toast {
  position: static;
  width: auto;
  padding: 10px;
  transform: none;
  box-shadow: none;
}

.observation-action-btn {
  min-height: 48px;
  border: 1px solid #5be7ff;
  border-radius: 3px;
  color: #04121b;
  background: linear-gradient(180deg, #65e6f7, #2ebbd2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42), 0 3px 0 #075b69, 0 0 18px rgba(69, 200, 220, 0.15);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.observation-action-btn:hover,
.observation-action-btn:focus-visible {
  filter: brightness(1.08);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.observation-action-btn:active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.28), 0 1px 0 #075b69;
}

.observation-action-btn:disabled {
  color: #8191a4;
  border-color: #314962;
  background: #101f30;
  box-shadow: none;
  cursor: default;
  filter: none;
}

.app[data-pitot="unknown"] .visual-pressure-network {
  --pitot-network: #52657b;
}

.app[data-static="unknown"] .visual-pressure-network {
  --static-network: #52657b;
}

.app[data-pitot="unknown"] .visual-pitot-feed .network-pulse,
.app[data-pitot="unknown"] .visual-pitot-branch .branch-pulse,
.app[data-static="unknown"] .visual-static-feed .network-pulse,
.app[data-static="unknown"] .visual-static-branch .branch-pulse {
  display: none;
}

@media (min-width: 1101px) {
  .app.quiz-mode.visual-mode .visual-deck > .gauge-panel {
    grid-template-columns: minmax(0, 1fr) minmax(286px, 320px);
    grid-template-rows: auto auto auto auto;
    gap: 10px 14px;
  }

  .app.quiz-mode.visual-mode .diagnosis-setup-panel {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
  }

  .app.quiz-mode.visual-mode .visual-pressure-network {
    grid-column: 1;
    grid-row: 2;
    margin-top: 0;
  }

  .app.quiz-mode.visual-mode .gauge-row {
    grid-column: 1;
    grid-row: 3 / 5;
    align-self: start;
  }

  .app.quiz-mode.visual-mode .visual-condition-dock {
    grid-column: 2;
    grid-row: 3;
    grid-template-columns: minmax(0, 1fr);
    margin: 0;
  }

  .app.quiz-mode.visual-mode .diagnosis-answer-heading {
    grid-column: 1;
  }

  .app.quiz-mode.visual-mode .diagnosis-answer-panel {
    grid-column: 2;
    grid-row: 4;
    align-self: start;
  }
}

@media (max-width: 1100px) {
  .diagnosis-scenario-panel {
    margin-top: 10px;
  }
}

@media (max-width: 700px) {
  .diagnosis-scenario-panel .new-scenario-btn {
    min-width: 142px;
    min-height: 48px;
    padding: 10px 14px;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }

  .diagnosis-workflow {
    padding: 6px 7px;
    font-size: 0.42rem;
  }

  .diagnosis-scenario-panel .quiz-condition {
    padding: 7px;
    font-size: 0.6rem;
  }

  .diagnosis-known-grid small {
    font-size: 0.31rem;
  }

  .diagnosis-known-grid strong {
    font-size: 0.6rem;
  }

  .diagnosis-scenario-panel .advanced-toggle-copy small {
    display: none;
  }
}

/* Diagnosis uses real modules instead of display-order tricks: setup first,
   simulation second, and answer controls last. */
@media (max-width: 1100px) {
  .app.quiz-mode.visual-mode .visual-deck > .gauge-panel {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .app.quiz-mode.visual-mode .diagnosis-setup-panel { order: 1; }
  .app.quiz-mode.visual-mode .visual-pressure-network { order: 2; }
  .app.quiz-mode.visual-mode .gauge-row { order: 3; }
  .app.quiz-mode.visual-mode .visual-condition-dock { order: 4; }
  .app.quiz-mode.visual-mode .diagnosis-answer-panel { order: 5; }
  .app.quiz-mode.visual-mode #sandbox-view { order: 6; }

  .app.quiz-mode.visual-mode .diagnosis-answer-heading {
    grid-column: 1 / -1;
  }

  .app.quiz-mode.visual-mode .diagnosis-setup-panel,
  .app.quiz-mode.visual-mode .diagnosis-answer-panel {
    margin-top: 0;
  }
}

@media (max-width: 700px) {
  .app.quiz-mode.visual-mode .visual-deck > .gauge-panel {
    order: initial;
  }

  .app.quiz-mode.visual-mode .diagnosis-setup-panel,
  .app.quiz-mode.visual-mode .diagnosis-answer-panel {
    display: flex !important;
    width: 100%;
    padding: 7px;
    gap: 7px;
    border: 1px solid #263e5a;
    background: rgba(3, 12, 21, 0.78);
  }

  .app.quiz-mode .diagnosis-scenario-panel > * {
    order: initial !important;
    width: auto;
    margin-right: 0;
    margin-left: 0;
  }

  .app.quiz-mode .diagnosis-setup-panel > * + *,
  .app.quiz-mode .diagnosis-answer-panel > * + * {
    margin-top: 0;
  }

  .app.quiz-mode.visual-mode .visual-pressure-network {
    margin-top: 0;
  }

  .app.quiz-mode.visual-mode .visual-condition-dock {
    margin-top: 2px;
    padding-top: 6px;
    border-top: 1px solid rgba(247, 166, 33, 0.3);
  }

  .diagnosis-answer-heading {
    padding: 6px;
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .diagnosis-answer-heading p {
    font-size: 0.6rem;
    line-height: 1.45;
    text-align: left;
  }

  .diagnosis-scenario-head {
    margin-bottom: 0 !important;
  }

  .diagnosis-scenario-panel .observation-action-btn {
    min-height: 52px;
    font-size: 0.68rem;
  }

  .diagnosis-scenario-panel > #quiz-prompt {
    margin-bottom: 0;
  }

  /* Small, deliberate type lift for phone screens. */
  .app.visual-mode .trainer-mode-toggle .mode-btn {
    font-size: 0.57rem;
  }

  .app.visual-mode .visual-condition-head {
    min-height: 26px;
    font-size: 0.54rem;
  }

  .app.visual-mode .visual-condition-head strong {
    font-size: 0.34rem;
  }

  .app.visual-mode .visual-condition-group .system-choice span {
    font-size: 0.48rem;
  }

  .app.visual-mode .visual-condition-group .system-choice small {
    font-size: 0.4rem;
  }

  .app.visual-mode .visual-network-label {
    font-size: 0.38rem;
  }

  .app.visual-mode .visual-network-label b {
    font-size: 0.32rem;
  }

  .app.visual-mode .visual-port-grid b {
    font-size: 0.37rem;
  }

  .app.visual-mode .gauge-badge {
    font-size: 0.55rem;
  }

  .diagnosis-scenario-head small {
    font-size: 0.56rem;
  }

  .diagnosis-scenario-head strong {
    font-size: 0.7rem;
  }

  .diagnosis-scenario-panel > #quiz-prompt {
    padding: 10px 11px;
    font-size: 0.78rem;
    line-height: 1.5;
  }

  .diagnosis-workflow {
    font-size: 0.62rem;
    line-height: 1.65;
  }

  .diagnosis-help summary {
    min-height: 38px;
    font-size: 0.62rem;
  }

  .diagnosis-scenario-panel .quiz-condition {
    font-size: 0.65rem;
  }

  .diagnosis-known-grid small {
    font-size: 0.35rem;
  }

  .diagnosis-known-grid strong {
    font-size: 0.6rem;
  }

  .diagnosis-answer-heading small {
    font-size: 0.4rem;
  }

  .diagnosis-answer-heading strong {
    font-size: 0.64rem;
  }

  .diagnosis-answer-heading p {
    font-size: 0.66rem;
    line-height: 1.48;
  }

  .diagnosis-observe small {
    font-size: 0.44rem;
  }

  .diagnosis-observe strong {
    font-size: 0.5rem;
  }

  .diagnosis-scenario-panel .advanced-toggle-copy strong {
    font-size: 0.56rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .diagnosis-observe[data-state="observing"] > i b {
    width: 100%;
    animation: none;
  }
}

/* Keep diagnosis feedback contained and prevent the setup column from
   forcing empty space between the pressure network and the instruments. */
.app.quiz-mode .diagnosis-answer-panel .diagnosis-toast {
  position: static !important;
  inset: auto !important;
  width: 100%;
  max-width: 100%;
  margin: 0;
  box-sizing: border-box;
  transform: none !important;
}

.diagnosis-workspace,
.diagnosis-control-column,
.diagnosis-visual-column {
  display: contents;
}

@media (min-width: 1101px) {
  .app.quiz-mode.visual-mode .visual-deck > .gauge-panel {
    display: block;
  }

  .app.quiz-mode.visual-mode .diagnosis-workspace {
    display: grid;
    grid-template-columns: minmax(0, 2.6fr) minmax(300px, 1fr);
    align-items: start;
    gap: 14px;
  }

  .app.quiz-mode.visual-mode .diagnosis-control-column,
  .app.quiz-mode.visual-mode .diagnosis-visual-column {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .app.quiz-mode.visual-mode .diagnosis-control-column {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 18px;
  }

  .app.quiz-mode.visual-mode .diagnosis-visual-column {
    grid-column: 1;
    grid-row: 1;
  }

  .app.quiz-mode.visual-mode .diagnosis-setup-panel,
  .app.quiz-mode.visual-mode .visual-condition-dock,
  .app.quiz-mode.visual-mode .diagnosis-answer-panel,
  .app.quiz-mode.visual-mode .visual-pressure-network,
  .app.quiz-mode.visual-mode .gauge-row {
    grid-column: auto;
    grid-row: auto;
    align-self: stretch;
    margin: 0;
  }

  .app.quiz-mode.visual-mode .visual-condition-dock {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 1100px) {
  .app.quiz-mode.visual-mode .diagnosis-workspace {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .app.quiz-mode.visual-mode .diagnosis-control-column,
  .app.quiz-mode.visual-mode .diagnosis-visual-column {
    display: contents;
  }
}

/* Diagnosis choices use the same text-first controls as the other trainers.
   Explore mode retains the pressure-system symbols as learning cues. */
.app.quiz-mode.visual-mode .visual-condition-group .system-choice {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-content: center;
  justify-items: center;
  row-gap: 6px;
  padding: 12px 10px;
  text-align: center;
}

.app.quiz-mode.visual-mode .visual-condition-group .system-choice .choice-symbol {
  display: none;
}

.app.quiz-mode.visual-mode .visual-condition-group .system-choice span,
.app.quiz-mode.visual-mode .visual-condition-group .system-choice small {
  grid-column: 1;
}

.app.quiz-mode.visual-mode .visual-condition-group .system-choice span {
  line-height: 1.25;
}

.app.quiz-mode.visual-mode .visual-condition-group .system-choice small {
  line-height: 1.3;
}