:root {
  --color-primario: #00ffc3;
  --color-secundario: #ffffff;
  --radio: 12px;
  --fondo: linear-gradient(145deg, #001f2d, #00455e);
  --fondo2: linear-gradient(145deg, #00455e, #001f2d);
  --sombra: rgba(0, 0, 0, 0.4);
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: var(--fondo);
  color: var(--color-secundario);
}

.header {
  text-align: center;
  padding: 2rem 1rem;
  background-color: #002733;
  color: var(--color-primario);
  box-shadow: 0 2px 10px var(--sombra);
}

.header__title {
  font-size: 2rem;
  margin: 0;
}

.layout {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: nowrap;
}

.sidebar__search input {
  width: 83%;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
  font-size: 1rem;
  border: 1px solid var(--color-primario);
  border-radius: var(--radio);
  background-color: rgba(0, 255, 195, 0.05);
  color: var(--color-secundario);
  box-shadow: 0 2px 5px var(--sombra);
  outline: none;
  transition: border 0.3s ease, box-shadow 0.3s ease;
}

.sidebar__search input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.sidebar__search input:focus {
  border-color: var(--color-primario);
  box-shadow: 0 0 10px var(--color-primario);
  background-color: rgba(0, 255, 195, 0.08);
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  border: 1px solid #00ffc3;
  border-radius: var(--radio);
  background-color: rgba(0, 0, 0, 0.6);
  padding: 1rem;
  box-shadow: 0 0 8px var(--color-primario);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sidebar__title {
  font-size: 1.2rem;
  text-align: center;
  color: var(--color-primario);
}

.sidebar:hover {
  background-color: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--color-primario);
  box-shadow: 0 0 10px var(--color-primario);
  cursor: pointer;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px var(--color-primario);
}


.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 100%;
  padding: 0 1rem;
}


.card-item {
  display: flex;
  flex-direction: column;
  border-radius: var(--radio);
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.85);
  border: 1px solid var(--color-primario);
  box-shadow: 0 4px 10px var(--sombra);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

.card-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px var(--color-primario);
}

.card-item__header {
  background-color: var(--color-primario);
  padding: 0.5rem 1rem;
  text-align: center;
}

.card-item__title {
  font-size: 1.1rem;
  font-weight: bold;
  margin: 0;
  color: #000;
}

.card-item__image {
  width: 100%;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-item__img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.card-item__content {
  padding: 1rem;
  color: var(--color-secundario);
}

.card-item__text {
  font-size: 0.95rem;
  opacity: 0.9;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-primario);
  border-radius: var(--radio);
  padding: 0.75rem;
  margin-top: 0.5rem;
}


@media (max-width: 768px) {
  .layout {
    flex-direction: column;
    align-items: center;
  }

  .sidebar {
    width: 100%;
    margin-bottom: 1rem;
  }

  .cards {
    width: 100%;
  }

  .card-item {
    text-align: center;
  }

  .card-item__image {
    max-height: 250px;
    width: 100%;
  }

  .card-item__img {
    object-fit: contain;
    display: block;
    max-height: 250px;
    width: 100%;
    height: auto;
    flex-shrink: 0;
  }
  .body {
    background: var(--fondo2);
  }
}

@media (max-width: 600px) {
  .cards {
    grid-template-columns: 1fr;
  }
  
  .card-item__image {
    max-height: 250px;
    width: 100%;
  }

  .card-item__img {
    object-fit: contain;
    display: block;
    max-height: 250px;
    width: 100%;
    height: auto;
    flex-shrink: 0;
  }
}


@media (max-width: 1024px) {
.cards {
  grid-template-columns: repeat(2, 1fr);
  }
}