/* Archivo: static/mp/css/card_preview.css
   Todas las clases tienen el prefijo "mercado-pago-" según pedido.
*/

.mercado-pago-card-wrapper {
  width: 340px;
  perspective: 1000px;
  margin-bottom: 16px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}
.mercado-pago-card-preview {
  width: 100%;
  height: 200px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s;
}
.mercado-pago-card-preview.mercado-pago-flipped { transform: rotateY(180deg); }

.mercado-pago-card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  color: #fff;
  backface-visibility: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  padding: 18px;
  box-sizing: border-box;
}

/* Frente */
.mercado-pago-card-front {
  background: linear-gradient(135deg,#3b82f6 0%, #0ea5e9 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Atrás */
.mercado-pago-card-back {
  background: linear-gradient(135deg,#374151 0%, #111827 100%);
  transform: rotateY(180deg);
  padding-top: 14px;
}

/* Elementos del frente */
.mercado-pago-card-number {
  font-size: 20px;
  letter-spacing: 2px;
  margin-top: 10px;
}
.mercado-pago-card-row {
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.mercado-pago-card-name, .mercado-pago-card-exp {
  font-size: 14px;
  text-transform: uppercase;
}

/* Elementos de la espalda */
.mercado-pago-mag-strip {
  height: 40px;
  background: rgba(0,0,0,0.6);
  margin-bottom: 14px;
}
.mercado-pago-cvv-box {
  background: #fff;
  color: #000;
  width: 70%;
  padding: 6px 8px;
  border-radius: 4px;
  text-align: right;
  font-weight: 600;
}

/* Resaltar campo enfocado */
.mercado-pago-card-preview.mercado-pago-focus-number .mercado-pago-card-number {
  outline: 2px solid rgba(255,255,255,0.12);
  border-radius:6px;
  padding:6px;
}
.mercado-pago-card-preview.mercado-pago-focus-name .mercado-pago-card-name {
  text-decoration: underline;
  text-underline-offset:6px;
}
.mercado-pago-card-preview.mercado-pago-focus-exp .mercado-pago-card-exp {
  text-decoration: underline;
  text-underline-offset:6px;
}
.mercado-pago-card-preview.mercado-pago-focus-cvv .mercado-pago-cvv-box {
  box-shadow: 0 0 0 3px rgba(255,255,255,0.08) inset;
}

/* Placeholder styling */
.mercado-pago-placeholder { opacity: 0.6; }

/* Responsive pequeño */
@media (max-width:420px){
  .mercado-pago-card-wrapper { width: 300px; }
  .mercado-pago-card-number { font-size:18px; }
}