.sim-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: #0f172a;
  color: #e2e8f0;
}

.sim-topbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 4%;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.sim-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #facc15;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.95rem;
}

.sim-brand .accent {
  color: #e30613;
}

.sim-module-bar {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px 4% 8px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.98) 0%, rgba(15, 23, 42, 0.72) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sim-mod-btn {
  --sim-mod-accent: #94a3b8;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  text-align: start;
  border: 2px solid rgba(255, 255, 255, 0.14);
  border-top: 3px solid var(--sim-mod-accent);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.07) 0%, rgba(15, 23, 42, 0.9) 100%);
  color: #e2e8f0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.sim-mod-btn[data-mod="1"] {
  --sim-mod-accent: #e30613;
}

.sim-mod-btn[data-mod="3"] {
  --sim-mod-accent: #34d399;
}

.sim-mod-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
  border-top-color: var(--sim-mod-accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.09) 0%, rgba(15, 23, 42, 0.92) 100%);
}

.sim-mod-btn.active {
  border-color: color-mix(in srgb, var(--sim-mod-accent) 55%, transparent);
  border-top-color: var(--sim-mod-accent);
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--sim-mod-accent) 14%, transparent) 0%,
    rgba(15, 23, 42, 0.94) 100%
  );
  box-shadow:
    0 8px 28px color-mix(in srgb, var(--sim-mod-accent) 28%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Thème néon : ne pas jaunir les onglets Tableau / Atelier (button.active global) */
html.theme-electric-neon .sim-mod-btn,
html.theme-electric-neon .sim-mod-btn.active {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.07) 0%, rgba(15, 23, 42, 0.9) 100%) !important;
  color: #e2e8f0 !important;
}

html.theme-electric-neon .sim-mod-btn.active {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35) !important;
}

html.theme-electric-neon .sim-mod-btn[data-mod="1"].active {
  border-color: rgba(227, 6, 19, 0.45) !important;
  border-top-color: #e30613 !important;
  background: linear-gradient(165deg, rgba(227, 6, 19, 0.12) 0%, rgba(15, 23, 42, 0.94) 100%) !important;
  box-shadow: 0 8px 24px rgba(227, 6, 19, 0.18) !important;
}

html.theme-electric-neon .sim-mod-btn[data-mod="3"].active {
  border-color: rgba(52, 211, 153, 0.45) !important;
  border-top-color: #34d399 !important;
  background: linear-gradient(165deg, rgba(52, 211, 153, 0.1) 0%, rgba(15, 23, 42, 0.94) 100%) !important;
  box-shadow: 0 8px 24px rgba(52, 211, 153, 0.15) !important;
}

html.theme-electric-neon .sim-mod-btn.active .sim-mod-title {
  color: #f8fafc !important;
}

html.theme-electric-neon .sim-mod-btn.active .sim-mod-desc {
  color: #cbd5e1 !important;
}

html.theme-electric-neon .sim-lang .lang-btn.active {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #f8fafc !important;
  border-color: #e30613 !important;
  box-shadow: none !important;
}

.sim-mod-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 1.25rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sim-mod-btn[data-mod="1"] .sim-mod-icon {
  background: rgba(227, 6, 19, 0.12);
  border-color: rgba(227, 6, 19, 0.35);
}

.sim-mod-btn[data-mod="3"] .sim-mod-icon {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.35);
}

.sim-mod-btn.active .sim-mod-icon {
  background: color-mix(in srgb, var(--sim-mod-accent) 18%, transparent);
  border-color: color-mix(in srgb, var(--sim-mod-accent) 45%, transparent);
}

.sim-mod-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.sim-mod-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: #f8fafc;
}

.sim-mod-btn.active .sim-mod-title {
  color: #f8fafc;
}

.sim-mod-desc {
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1.35;
  color: #94a3b8;
}

.sim-mod-btn.active .sim-mod-desc {
  color: #cbd5e1;
}

.sim-lang {
  display: flex;
  gap: 6px;
}

.sim-lang .lang-btn {
  background: none;
  border: 1px solid #64748b;
  color: #94a3b8;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
}

.sim-lang .lang-btn.active {
  background: #facc15;
  color: #0f172a;
  border-color: #facc15;
}

.sim-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.sim-frame-wrap {
  flex: 1;
  min-height: calc(100dvh - 160px);
  position: relative;
}

.sim-frame-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #0a0e1a;
}

.sim-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #64748b;
  font-size: 0.95rem;
  pointer-events: none;
}

.sim-footer-note {
  flex-shrink: 0;
  padding: 8px 4% 12px;
  font-size: 0.75rem;
  color: #64748b;
  text-align: center;
}

@media (max-width: 640px) {
  .sim-topbar {
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 8px 3%;
    gap: 8px;
  }
  .sim-brand {
    font-size: 0.85rem;
    gap: 8px;
  }
  .sim-brand img {
    width: 28px;
    height: 28px;
  }
  .sim-module-bar {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 8px 3% 6px;
  }
  .sim-mod-btn {
    min-height: 52px;
    padding: 9px 12px;
    gap: 10px;
  }
  .sim-mod-icon {
    width: 34px;
    height: 34px;
    font-size: 1.15rem;
  }
  .sim-mod-title {
    font-size: 0.95rem;
  }
  .sim-mod-desc {
    font-size: 0.68rem;
  }
  .sim-lang .lang-btn {
    padding: 4px 10px;
    font-size: 0.78rem;
  }
  .sim-frame-wrap {
    min-height: calc(100dvh - 200px);
  }
  .sim-footer-note {
    display: none;
  }
}