/* ══════════════════════════════════════════════════════════════════════
   Rope Simulations — estilo compartido (terminal verde fósforo)
   Espejo del tema de config.py (COLORS): fondo negro terminal, verde
   fósforo, tipografía monospace, ámbar/rojo solo para semáforo.
   ══════════════════════════════════════════════════════════════════════ */

.sim-content {
  --rs-bg:        #0a0f0a;
  --rs-panel:     #0e1a0e;
  --rs-primary:   #00ff33;
  --rs-secondary: #ffb000;
  --rs-accent:    #00cc22;
  --rs-warning:   #ffcc00;
  --rs-danger:    #ff3333;
  --rs-info:      #00d9a0;
  --rs-text:      #88cc88;
  --rs-grid:      #1a2e1a;
  --rs-rope:      #aaff44;
  --rs-anchor:    #5c8a5c;

  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 10px 22px;
  background: var(--rs-bg);
  border: 1px solid #143014;
  border-radius: 10px;
  color: var(--rs-text);
  font-family: 'Roboto Mono', ui-monospace, 'Courier New', monospace;
  overflow-x: auto;
}

.sim-content h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--rs-primary);
  text-align: center;
  letter-spacing: 0.4px;
  margin: 0 0 4px;
}

.sim-content .sim-sub {
  color: var(--rs-text);
  font-size: 0.9rem;
  text-align: center;
  max-width: 1120px;
  margin: 0 auto 8px;
  line-height: 1.5;
}

.sim-content .warning-bar {
  color: var(--rs-danger);
  font-size: 0.82rem;
  font-style: italic;
  font-weight: 700;
  text-align: center;
  max-width: 1120px;
  margin: 0 auto 12px;
  line-height: 1.5;
}

.sim-stage {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: nowrap;
}

.sim-content canvas {
  display: block;
  border-radius: 8px;
  border: 1px solid #143014;
  background: var(--rs-bg);
}

/* ── Panel de controles: recuadro "Controles" + filas slider/casilla ── */
.sim-controls {
  width: 100%;
  max-width: 1120px;
  background: var(--rs-panel);
  border: 1px solid var(--rs-grid);
  border-radius: 8px;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.sim-controls .ctrl-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--rs-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}
.ctrl-row {
  display: grid;
  grid-template-columns: 200px 1fr 84px;
  align-items: center;
  gap: 12px;
}
.ctrl-row label {
  font-size: 0.86rem;
  text-align: right;
  color: var(--rs-text);
}
.ctrl-row input[type="range"] {
  width: 100%;
  height: 4px;
  cursor: pointer;
  accent-color: var(--rs-primary);
}
.ctrl-row input[type="number"] {
  width: 100%;
  background: var(--rs-bg);
  border: 1px solid var(--rs-grid);
  border-radius: 4px;
  padding: 3px 5px;
  color: var(--rs-primary);
  font-family: inherit;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.ctrl-row input[type="number"]:focus {
  outline: none;
  border-color: var(--rs-primary);
}

/* ── Botonera (escenarios, tipos de aparejo, nº de anclajes) ── */
.sim-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.sim-btn {
  background: #16241a;
  border: 1px solid var(--rs-grid);
  border-radius: 6px;
  padding: 5px 12px;
  color: var(--rs-text);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.sim-btn:hover { border-color: var(--rs-primary); }
.sim-btn.active {
  background: var(--rs-accent);
  color: var(--rs-bg);
  border-color: var(--rs-accent);
  font-weight: 700;
}

.sim-content .sim-footnote {
  margin-top: 10px;
  font-size: 0.74rem;
  color: var(--rs-text);
  opacity: 0.55;
  font-style: italic;
  text-align: center;
  max-width: 1120px;
  line-height: 1.6;
}

/* ── Botón volver ────────────────────────────────────────────── */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 1.1rem;
  margin-bottom: 1.2rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1.5px solid var(--color-primary-medium);
  text-decoration: none;
  transition: background 0.18s, color 0.18s, transform 0.15s, box-shadow 0.18s;
}
.btn-back:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateX(-3px);
  box-shadow: 0 4px 16px rgba(26, 79, 100, 0.25);
  text-decoration: none;
}
.btn-back-arrow { font-size: 0.72rem; transition: transform 0.18s; }
.btn-back:hover .btn-back-arrow { transform: translateX(-3px); }

@media (max-width: 760px) {
  .ctrl-row { grid-template-columns: 1fr 84px; }
  .ctrl-row label { grid-column: 1 / -1; text-align: left; }
}