/* ============================================================
   THM — Demo Center Component ★ Sección estrella
   ============================================================ */

.demo-center {
  position: relative;
  overflow: hidden;
}

/* Aura de fondo */
.demo-center::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle,
    rgba(79, 70, 229, 0.06) 0%,
    transparent 70%);
  pointer-events: none;
}

/* Grid de tarjetas */
.demo-center__grid {
  gap: var(--space-6);
}

/* Card Demo */
.demo-center__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: 0;
  overflow: hidden;
}

/* Preview imagen/visual */
.demo-center__preview {
  width: 100%;
  height: 200px;
  background: var(--color-bg);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  position: relative;
}

.demo-center__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.demo-center__card:hover .demo-center__preview img {
  transform: scale(1.04);
}

/* Preview placeholder — AI */
.demo-center__preview--ai {
  background:
    radial-gradient(ellipse at 50% 60%, rgba(6, 182, 212, 0.18) 0%, transparent 60%),
    linear-gradient(135deg, rgba(79, 70, 229, 0.18) 0%, rgba(10, 12, 28, 0.95) 100%);
}

/* Preview placeholder — Apps */
.demo-center__preview--apps {
  background:
    radial-gradient(ellipse at 50% 60%, rgba(79, 70, 229, 0.18) 0%, transparent 60%),
    linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(10, 12, 28, 0.95) 100%);
}

/* SVG preview — rellena toda la caja */
.demo-center__preview-svg {
  display: block;
  width: 100%;
  height: 100%;
  transition: transform var(--transition-slow);
}

.demo-center__card:hover .demo-center__preview-svg {
  transform: scale(1.03);
}

/* Icono SVG centrado (solo si se usa como placeholder pequeño) */
.demo-center__preview-icon {
  color: rgba(255, 255, 255, 0.25);
  animation: float 4s ease-in-out infinite;
}

/* Contenido dentro de la card */
.demo-center__card .badge,
.demo-center__card h3,
.demo-center__card p,
.demo-center__card .demo-center__cta {
  margin: 0 var(--space-8);
}

.demo-center__card .badge {
  margin-top: var(--space-6);
  align-self: flex-start;
}

.demo-center__card h3 {
  font-size: var(--text-xl);
}

.demo-center__card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex: 1;
}

.demo-center__cta {
  margin-bottom: var(--space-8) !important;
  align-self: flex-start;
}

/* ============================================================
   MODAL
   ============================================================ */

/* El atributo [hidden] tiene display:none, pero display:flex lo sobreescribe.
   Este selector lo fuerza a ocultarse correctamente. */
.demo-modal[hidden] {
  display: none !important;
}

.demo-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.demo-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.demo-modal__content {
  position: relative;
  z-index: 1;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), var(--glow-accent);
  animation: scaleIn var(--transition-base) ease both;
  display: flex;
  flex-direction: column;
}

.demo-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  z-index: 1;
}

.demo-modal__close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  transform: rotate(90deg);
}

.demo-modal__title {
  padding: var(--space-8) var(--space-8) var(--space-4);
  font-size: var(--text-2xl);
}

.demo-modal__body {
  flex: 1;
  padding: 0 var(--space-8);
}

/* iframe para demos reales */
.demo-modal__body iframe {
  width: 100%;
  height: 500px;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.demo-modal__footer {
  padding: var(--space-6) var(--space-8) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-6);
}

.demo-modal__footer p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .demo-modal__footer {
    flex-direction: column;
    text-align: center;
  }
  .demo-modal__body iframe {
    height: 300px;
  }
}