/* ================
   INICIAR SIMULACION
   ================ */

.sim-panel {
  margin-top: 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.card-subtitle {
  font-size: var(--texto-14);
  font-weight: 650;
  color: var(--color-texto-secundario);
}

.sim-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.8rem;
}

.sim-btn {
  height: 4.4rem;
  padding: 0 1.2rem;

  border-radius: var(--radius-10);
  border: 1px solid var(--color-borde-1);

  background: var(--color-tarjeta);
  color: var(--color-texto-principal);

  font-weight: 650;
  font-size: var(--texto-14);

  cursor: pointer;
  user-select: none;

  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 120ms ease,
    box-shadow 160ms ease;

  -webkit-tap-highlight-color: transparent;
}

.sim-btn:hover {
  background: var(--color-acento);
  border-color: var(--color-acento);
  color: var(--color-acento-text, var(--color-texto-invertido));

  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.sim-btn--wide {
  grid-column: 1 / -1;
}

.sim-btn.is-active,
.sim-btn.is-running {
  background: var(--color-acento);
  border-color: var(--color-acento);
  color: var(--color-acento-text, var(--color-texto-invertido));
  cursor: default;
}

.sim-hint {
  font-size: var(--texto-12);
  color: var(--color-texto-terciario);
}

/* ===========
   DARK MODE
   =========== */

body[data-theme="dark"] .sim-btn {
  background: var(--color-tarjeta);
  color: var(--color-texto-principal);
}

body[data-theme="dark"] .sim-btn:hover {
  background: var(--color-acento);
  color: var(--color-acento-text, var(--color-texto-invertido));
}

.selection-card__head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.selection-card__head > .auto-btn {
  margin-left: auto;
}

.clear-btn {
  height: 3.6rem;
  padding: 0 1.2rem;

  border-radius: var(--radius-10);
  border: 1px solid var(--color-borde-1);

  background: transparent;
  color: var(--color-texto-secundario);

  font-weight: 650;
  font-size: var(--texto-14);

  cursor: pointer;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease;

  -webkit-tap-highlight-color: transparent;
}

.clear-btn:hover:not(:disabled) {
  background: var(--color-hover-suave);
  border-color: var(--color-borde-2);
  color: var(--color-texto-principal);
}

.clear-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.auto-btn {
  height: 3.6rem;
  padding: 0 1.2rem;

  border-radius: var(--radius-10);
  border: 1px solid var(--color-borde-1);

  background: transparent;
  color: var(--color-texto-secundario);

  font-weight: 650;
  font-size: var(--texto-14);

  cursor: pointer;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease;

  -webkit-tap-highlight-color: transparent;
}

.auto-btn:hover {
  background: var(--color-hover-suave);
  border-color: var(--color-borde-2);
  color: var(--color-texto-principal);
}

/* ============================
   SIM BUTTONS - DESHABILITADOS
   ============================ */

.sim-btn:disabled,
.sim-btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;

  background: color-mix(in srgb, var(--color-tarjeta) 92%, transparent);
  border-color: var(--color-borde-1);
  color: var(--color-texto-secundario);

  box-shadow: none;
  transform: none;
  filter: grayscale(0.15);
}

.sim-btn:disabled:hover,
.sim-btn[aria-disabled="true"]:hover {
  background: color-mix(in srgb, var(--color-tarjeta) 92%, transparent);
  border-color: var(--color-borde-1);
  color: var(--color-texto-secundario);
  box-shadow: none;
  transform: none;
}

/* ===========================
   RESULTADOS - CARDS DE ANIOS
   =========================== */

.results .results-add {
  width: 100%;
}

.results .results-add__title {
  margin: 0 0 0.6rem;
  font-size: var(--texto-16);
  font-weight: 800;
  color: var(--color-texto-principal);
}

.results .results-add__hint {
  margin: 0 0 1.2rem;
  font-size: var(--texto-12);
  color: var(--color-texto-terciario);
}

.results .addsim-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.8rem;
}

.results .addsim-btn {
  height: 4rem;
  padding: 0 1.2rem;

  border-radius: var(--radius-10);
  border: 1px solid var(--color-borde-1);

  background: color-mix(
    in srgb,
    var(--color-tarjeta) 90%,
    var(--color-acento) 6%
  );
  color: var(--color-texto-principal);

  font-weight: 750;
  font-size: var(--texto-14);

  cursor: pointer;
  user-select: none;

  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 120ms ease,
    box-shadow 160ms ease;

  -webkit-tap-highlight-color: transparent;
}

.results .addsim-btn:hover:not(:disabled) {
  background: var(--color-acento);
  border-color: var(--color-acento);
  color: var(--color-acento-text, var(--color-texto-invertido));

  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.results .addsim-btn:disabled,
.results .addsim-btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;

  background: color-mix(in srgb, var(--color-tarjeta) 92%, transparent);
  border-color: var(--color-borde-1);
  color: var(--color-texto-secundario);

  box-shadow: none;
  transform: none;
}

/* =========================================
   BOTÓN INICIAR - LATIDO DE ACENTO (solo cuándo se ha habilitado)
   ========================================= */

.sim-btn[data-run="run"] {
  position: relative;
}

.sim-btn[data-run="run"]:not(:disabled):not(.is-running) {
  animation: simAccentPulse 1.6s ease-in-out infinite;
}

.sim-btn[data-run="run"]:not(:disabled):not(.is-running):hover {
  animation: none;
}

.sim-btn.is-active,
.sim-btn.is-running {
  animation: none;
}

@keyframes simAccentPulse {
  0%,
  100% {
    background: color-mix(
      in srgb,
      var(--color-tarjeta) 85%,
      var(--color-acento) 15%
    );
    border-color: color-mix(
      in srgb,
      var(--color-borde-1) 65%,
      var(--color-acento) 35%
    );
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  }

  50% {
    background: color-mix(
      in srgb,
      var(--color-tarjeta) 55%,
      var(--color-acento) 45%
    );
    border-color: var(--color-acento);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sim-btn[data-run="run"]:not(:disabled):not(.is-running) {
    animation: none;
  }
}

/* =========================
   RESPONSIVE - MÓVIL
   ========================= */

@media (max-width: 768px) {
  .sim-panel {
    margin-top: 2rem;
    gap: 1rem;
  }

  .sim-buttons {
    grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
    gap: 0.7rem;
  }

  .sim-btn {
    height: 4.6rem;
    font-size: var(--texto-14);
  }

  .clear-btn,
  .auto-btn {
    height: 3.8rem;
    font-size: var(--texto-14);
  }

  .results .addsim-buttons {
    grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  }

  .results .addsim-btn {
    height: 4.2rem;
  }
}

@media (max-width: 560px) {
  .sim-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .sim-btn {
    height: 4.8rem;
    font-size: var(--texto-14);
  }

  .selection-card__head {
    gap: 0.8rem;
  }

  .selection-card__head > .auto-btn {
    margin-left: 0;
    order: -1;
  }

  .clear-btn,
  .auto-btn {
    flex: 1;
    min-width: 0;
  }

  .results .addsim-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .results .addsim-btn {
    height: 4.4rem;
  }
}

@media (max-width: 380px) {
  .sim-buttons {
    grid-template-columns: 1fr;
  }

  .sim-btn {
    height: 5rem;
  }

  .results .addsim-buttons {
    grid-template-columns: 1fr;
  }
}