/* Componente de Rail de Navegação (Carrossel) baseado no Design System Prime Video */
.tv-rail {
  --rail-gap: 12px;
  --rail-card-width: 280px;
  --rail-card-aspect: 16/9;
  --rail-bg: var(--canvas, #0f171e);
  
  background-color: var(--rail-bg);
  overflow-x: auto;
  overflow-y: hidden;
  display: flex;
  gap: var(--rail-gap);
  padding: 24px;
  scroll-behavior: smooth;
}

/* Botões de Navegação do Rail */
.tv-rail__arrow {
  --arrow-bg: rgba(15, 23, 30, 0.85);
  --arrow-text: #ffffff;
  
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--arrow-bg);
  color: var(--arrow-text);
  border: 1px solid var(--divider, #2a3a48);
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  transition: opacity 0.2s ease;
}

.tv-rail__arrow--prev { left: 8px; }
.tv-rail__arrow--next { right: 8px; }

.tv-rail__arrow:hover {
  background-color: rgba(0, 0, 0, 0.85);
  border-color: var(--primary, #1399ff);
}

/* Escondida até o hover na área do rail */
.tv-rail__arrow {
  opacity: 0;
}

.tv-rail:hover .tv-rail__arrow {
  opacity: 1;
}

/* Card dentro do Rail */
.tv-rail__card {
  flex: 0 0 var(--rail-card-width);
  position: relative;
}