.simulation-page {
  color: #eef4fa;
  background: #14243a;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  min-height: 100vh;
}
.simulation-page:fullscreen { width: 100%; height: 100%; overflow: auto; }
.simulation-page:fullscreen .practice-banner { position: sticky; top: 0; z-index: 5; }
.practice-banner { color: var(--ink); background: var(--brass-wash); border-bottom: 2px solid var(--brass); }
.practice-banner .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .35rem 1.5rem; padding-block: .7rem; }
.practice-banner p { margin: 0; font-size: 1.05rem; }
.practice-banner a { display: inline-flex; align-items: center; min-height: 2.75rem; font-weight: 700; color: var(--ink); }
.simulation-stage { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); align-items: start; gap: 1.5rem; padding-block: 2rem; max-width: 68rem; }
.support-warning { overflow: hidden; border: 2px solid #7e8b9c; border-radius: 12px; background: #fff; color: #182332; box-shadow: 0 1rem 3rem rgba(0,0,0,.3); }
.warning-heading { display: flex; align-items: center; gap: 1rem; padding: 1rem clamp(1.25rem, 4vw, 2.5rem); background: #a51a28; color: #fff; }
.warning-heading svg { flex: none; width: 3rem; height: 3rem; }
.warning-heading p { margin: 0; }
.warning-label { font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; }
.warning-brand { font-size: 1.4rem; font-weight: 700; }
.warning-content { padding: clamp(1.25rem, 3vw, 1.75rem); }
.warning-code { margin: 0 0 .75rem; color: #8c1420; font-size: .95rem; font-weight: 700; letter-spacing: .06em; }
.warning-content h1 { max-width: 15ch; font-family: var(--sans); font-size: clamp(2rem, 3.5vw, 2.5rem); line-height: 1.15; letter-spacing: -.03em; }
.warning-claim { margin: 0 0 1rem; color: #3b4f5c; }
.warning-pressure { margin: 0 0 1.25rem; font-weight: 700; }
.fake-support-number { padding: 1rem 1.25rem; border: 2px solid #d8a6ab; border-left: 6px solid #a51a28; background: #fff0f1; }
.fake-support-number span, .fake-support-number small { display: block; }
.fake-support-number strong { display: block; font-size: clamp(1.6rem, 5vw, 2.4rem); line-height: 1.4; letter-spacing: .03em; overflow-wrap: anywhere; }
.fake-support-number small { color: #60434a; font-size: .95rem; }
.warning-caption { margin: 0; padding: .85rem clamp(1.25rem, 4vw, 2.5rem); background: #e9eef3; border-top: 1px solid #c1ccd7; font-size: 1.05rem; color: #344658; }
.escape-panel { padding: clamp(1.25rem, 4vw, 2rem); background: #20364f; border: 2px solid #8297ad; border-radius: 12px; }
.escape-instruction { display: flex; gap: 1.25rem; align-items: flex-start; }
.escape-key { flex: none; display: grid; place-items: center; width: 4rem; height: 4rem; border: 2px solid #d9e4ef; border-bottom-width: 6px; border-radius: 10px; background: #f5f4ee; color: #172c3a; font: 700 1.5rem var(--sans); }
.escape-panel h2 { margin: 0 0 .4rem; font: 700 clamp(1.5rem, 4vw, 1.9rem)/1.2 var(--sans); }
.escape-instruction p { margin: 0; }
.escape-panel a { color: #fff; }
.confirmation-option { display: flex; align-items: flex-start; gap: .65rem; margin-top: 1.5rem; font-weight: 700; cursor: pointer; }
.confirmation-option input { flex: none; width: 1.35rem; height: 1.35rem; margin: .25rem 0 0; accent-color: #f3ce83; }
.practice-help { margin: .65rem 0 1.25rem; color: #d4e0ec; font-size: 1rem; }
.practice-status { margin: 1rem 0; font-weight: 700; }
.practice-button { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 3rem; margin-top: .75rem; padding: .65rem 1rem; border: 2px solid #f3ce83; border-radius: 8px; background: #f3ce83; color: #172c3a; font: inherit; font-weight: 700; cursor: pointer; text-align: center; text-decoration: none; }
.escape-panel a.practice-button { color: #172c3a; }
.practice-button:hover { background: #ffe6b5; }
.practice-button.secondary { background: transparent; color: #f3ce83; }
.practice-button.secondary:hover { background: #304b66; }
.practice-button:disabled { opacity: .65; cursor: wait; }
.practice-explanation { max-width: 68rem; padding-bottom: 2rem; color: #d4e0ec; font-size: 1rem; }
.practice-explanation summary { cursor: pointer; min-height: 2.75rem; font-weight: 700; }
.practice-explanation p { max-width: 80ch; }
.practice-explanation a { color: #f3ce83; }
.simulation-page :focus-visible { outline-color: #ffd54a; }
@media (max-width: 56rem) {
  .simulation-stage { grid-template-columns: minmax(0, 1fr); }
  .escape-panel { grid-row: 1; }
}
@media (max-width: 34rem) {
  .simulation-stage { padding-block: 1.25rem; gap: 1.25rem; }
  .escape-instruction { flex-direction: column; gap: .75rem; }
}
@media print {
  .simulation-page { color: #000; background: #fff; }
  .practice-banner, .support-warning, .escape-panel { color: #000; background: #fff; box-shadow: none; }
  .warning-heading { color: #000; background: #fff; }
  #practice-controls { display: none; }
}