/* Asegura que [hidden] siempre gane, sin importar la especificidad
   de otras reglas (p. ej. .sim-progress { display:flex }). */
[hidden] { display: none !important; }

/* ============ Simulador — layout base ============ */
.sim-main {
  background: var(--black);
  color: var(--ivory);
  min-height: 100vh;
  padding: 8rem clamp(1.25rem, 4vw, 3.5rem) 5rem;
}
.sim-shell {
  max-width: 720px;
  margin: 0 auto;
}
.sim-screen { display: none; }
.sim-screen.is-active {
  display: block;
  animation: simFadeIn 0.5s ease both;
}
@keyframes simFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.sim-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--gold-light);
  margin-bottom: 1rem;
}
.sim-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
  margin-bottom: 0.8rem;
}
.sim-subtitle {
  color: var(--ivory-dim);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 2.2rem;
}
.sim-landing { text-align: center; }
.sim-landing .sim-subtitle { margin-left: auto; margin-right: auto; }

/* ============ Progreso ============ */
.sim-progress {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}
.sim-progress__step {
  flex: 1;
  height: 3px;
  border-radius: 3px;
  background: rgba(198,161,91,0.2);
  overflow: hidden;
}
.sim-progress__step::after {
  content: '';
  display: block;
  height: 100%;
  width: 0%;
  background: var(--gold);
  transition: width 0.4s ease;
}
.sim-progress__step.is-done::after,
.sim-progress__step.is-active::after { width: 100%; }

/* ============ Aviso ============ */
.sim-notice {
  background: var(--charcoal);
  border: 1px solid rgba(198,161,91,0.25);
  border-radius: 10px;
  padding: 1.8rem 2rem;
  margin-bottom: 1.8rem;
}
.sim-notice h2 {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--gold-light);
  margin-bottom: 0.8rem;
}
.sim-notice p {
  color: var(--ivory-dim);
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}
.sim-notice p:last-child { margin-bottom: 0; }

.sim-check {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin: 1.6rem 0 2rem;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--ivory);
}
.sim-check input {
  margin-top: 0.2rem;
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
  flex-shrink: 0;
}

/* ============ Botones del simulador ============ */
.sim-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.sim-landing .sim-actions { justify-content: center; }
.btn:disabled,
.btn.is-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
.sim-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--ivory-dim);
  margin-bottom: 1.6rem;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--sans);
}
.sim-back:hover { color: var(--gold-light); }

/* ============ Subida de foto ============ */
.sim-dropzone {
  border: 1.5px dashed rgba(198,161,91,0.4);
  border-radius: 12px;
  padding: 3rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
  margin-bottom: 1rem;
}
.sim-dropzone:hover,
.sim-dropzone.is-dragover {
  border-color: var(--gold);
  background: rgba(198,161,91,0.06);
}
.sim-dropzone__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 1rem;
  fill: none;
  stroke: var(--gold-light);
  stroke-width: 1.4;
}
.sim-dropzone__text {
  font-size: 1rem;
  color: var(--ivory);
  margin-bottom: 0.4rem;
}
.sim-dropzone__hint {
  font-size: 0.82rem;
  color: #9a8c78;
}
.sim-dropzone input[type="file"] { display: none; }

.sim-preview {
  display: none;
  margin-bottom: 1.6rem;
}
.sim-preview.is-active { display: block; }
.sim-preview img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: 10px;
  background: var(--charcoal);
}
.sim-preview__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.7rem;
  font-size: 0.85rem;
  color: var(--ivory-dim);
}
.sim-preview__remove {
  background: none;
  border: none;
  color: var(--gold-light);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--sans);
}
.sim-error {
  display: none;
  color: #e2a0a0;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.sim-error.is-active { display: block; }

/* ============ Selección de procedimiento ============ */
.sim-category { margin-bottom: 2rem; }
.sim-category__label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 0.9rem;
}
.sim-proc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}
.sim-proc-card {
  text-align: left;
  background: var(--charcoal);
  border: 1px solid rgba(198,161,91,0.2);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
  cursor: pointer;
  color: var(--ivory);
  font-family: var(--sans);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.sim-proc-card h3 {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.3em;
  color: var(--ivory);
}
.sim-proc-card p {
  font-size: 0.8rem;
  color: var(--ivory-dim);
  margin: 0;
}
.sim-proc-card:hover { border-color: rgba(198,161,91,0.5); }
.sim-proc-card.is-selected {
  border-color: var(--gold);
  background: rgba(198,161,91,0.1);
}
.sim-proc-card.is-selected h3 { color: var(--gold-light); }

/* ============ Procesando ============ */
.sim-processing {
  text-align: center;
  padding: 3rem 1rem;
}
.sim-spinner {
  width: 64px;
  height: 64px;
  margin: 0 auto 2rem;
  border-radius: 50%;
  border: 2px solid rgba(198,161,91,0.2);
  border-top-color: var(--gold);
  animation: simSpin 1s linear infinite;
}
@keyframes simSpin { to { transform: rotate(360deg); } }
.sim-processing__title {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.7rem;
}
.sim-processing__text {
  color: var(--ivory-dim);
  font-size: 0.92rem;
  max-width: 420px;
  margin: 0 auto;
}

/* ============ Resultado / comparador ============ */
.sim-result__label {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold-light);
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}
.sim-compare {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  max-height: 560px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--charcoal);
  user-select: none;
  touch-action: pan-y;
}
.sim-compare img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--charcoal);
  pointer-events: none;
}
.sim-compare__after {
  clip-path: inset(0 0 0 50%);
}
/* En modo demo no existe un resultado real de IA: se aplica un tono muy
   sutil solo para que el comparador sea útil al probar la interfaz. */
.sim-compare__after.sim-demo-filter {
  filter: saturate(1.08) brightness(1.03) contrast(1.02);
}
.sim-compare__tag {
  position: absolute;
  top: 12px;
  z-index: 3;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(14,12,10,0.65);
  color: var(--ivory);
  padding: 0.3em 0.7em;
  border-radius: 4px;
  pointer-events: none;
}
.sim-compare__tag--before { left: 12px; }
.sim-compare__tag--after { right: 12px; }
.sim-compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--gold-light);
  z-index: 4;
  pointer-events: none;
}
.sim-compare__handle::after {
  content: '↔';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.sim-compare__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 5;
}
.sim-compare__watermark {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: rgba(246,241,231,0.75);
  background: rgba(14,12,10,0.55);
  padding: 0.3em 0.8em;
  border-radius: 999px;
  white-space: nowrap;
  pointer-events: none;
}

.sim-result-note {
  background: var(--charcoal);
  border-left: 3px solid var(--gold);
  padding: 1.2rem 1.5rem;
  margin: 1.8rem 0;
  font-size: 0.88rem;
  color: var(--ivory-dim);
}
.sim-result-note strong { color: var(--ivory); }

.sim-cta {
  text-align: center;
  margin-top: 2.4rem;
}
.sim-cta p {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-bottom: 1.2rem;
}
.sim-cta .sim-actions { justify-content: center; }

.sim-limit-note {
  text-align: center;
  color: #9a8c78;
  font-size: 0.8rem;
  margin-top: 1rem;
}

@media (max-width: 560px) {
  .sim-proc-grid { grid-template-columns: 1fr; }
  .sim-main { padding-top: 7rem; }
}