:root {
  --color-primario: #1c1c1c;
  --color-secundario: #2f2f2f;
  --color-texto: #fff;
  --color-acento: #ff7400;
  --fuente-base: "Inter", sans-serif;
}

/* ─────────────────────────────── */
/* 🔹 CONTENEDOR PRINCIPAL */
/* ─────────────────────────────── */
.carrito-contenedor {
  position: fixed;
  right: 25px;
  bottom: 80px;
  width: 400px;
  background: var(--color-secundario);
  border: 1px solid #333;
  border-radius: 14px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  color: var(--color-texto);
  font-family: var(--fuente-base);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(0);
  transition: all 0.3s ease;
  backdrop-filter: blur(6px);
}

.carrito-contenedor.oculto {
  opacity: 0;
  pointer-events: none;
  transform: translateY(30px);
}

/* ─────────────────────────────── */
/* 🔹 HEADER */
/* ─────────────────────────────── */
.carrito-header {
  background: var(--color-primario);
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.carrito-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.btn-cerrar {
  background: none;
  border: none;
  color: var(--color-texto);
  cursor: pointer;
  font-size: 1.3rem;
  transition: transform 0.2s ease;
}

.btn-cerrar:hover {
  transform: rotate(90deg);
  color: var(--color-acento);
}

/* ─────────────────────────────── */
/* 🔹 ITEMS */
/* ─────────────────────────────── */
.carrito-items {
  max-height: 350px;
  overflow-y: auto;
  padding: 10px;
  background: var(--color-secundario);
  position: relative;
  scroll-behavior: smooth;
}

/* Item */
.carrito-item {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  gap: 10px;
  background: var(--color-primario);
  padding: 8px;
  border-radius: 10px;
  transition: transform 0.2s ease;
}

.carrito-item:hover {
  transform: scale(1.01);
}

.carrito-item img {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.carrito-item h4 {
  font-size: 0.9rem;
  margin: 0 0 5px;
  font-weight: 500;
  color: var(--color-texto);
}

.carrito-item .acciones {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-cantidad {
  background: var(--color-acento);
  border: none;
  color: #fff;
  border-radius: 6px;
  width: 26px;
  height: 26px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.2s;
}

.btn-cantidad:hover {
  opacity: 0.85;
  transform: scale(1.05);
}

.precio-unitario {
  color: #ccc;
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.subtotal {
  font-size: 0.9rem;
  color: #ffb347;
  font-weight: 600;
  margin-top: 4px;
}

.carrito-vacio {
  text-align: center;
  color: #aaa;
  padding: 30px 10px;
  font-size: 0.95rem;
}

/* ─────────────────────────────── */
/* 🔹 FOOTER */
/* ─────────────────────────────── */
.carrito-footer {
  background: var(--color-primario);
  padding: 10px 15px;
  border-top: 1px solid #333;
  text-align: center;
}

.carrito-total {
  font-weight: 700;
  text-align: right;
  color: #fff;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.btn-comprar {
  background: var(--color-acento);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 0;
  width: 100%;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.25s ease;
}

.btn-comprar:hover {
  background: #ff8c33;
  transform: translateY(-1px);
}

/* ─────────────────────────────── */
/* 🔹 SCROLL PERSONALIZADO CARRITO */
/* ─────────────────────────────── */
#carritoItems {
  scrollbar-width: thin;
  scrollbar-color: var(--color-acento) var(--color-secundario);
}

/* WebKit (Chrome / Edge / Safari) */
#carritoItems::-webkit-scrollbar {
  width: 10px;
}

#carritoItems::-webkit-scrollbar-track {
  background: var(--color-secundario);
  border-radius: 8px;
}

#carritoItems::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-acento), #ff9640);
  border-radius: 8px;
  border: 2px solid var(--color-secundario);
  transition: background 0.3s ease;
}

#carritoItems::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #ff9640, var(--color-acento));
}

/* ─────────────────────────────── */
/* 🔹 FADE ARRIBA / ABAJO */
/* ─────────────────────────────── */
.carrito-items::before,
.carrito-items::after {
  content: "";
  position: sticky;
  left: 0;
  right: 0;
  height: 25px;
  z-index: 3;
  pointer-events: none;
}

.carrito-items::before {
  top: 0;
  background: linear-gradient(
    to bottom,
    rgba(28, 28, 28, 1) 0%,
    rgba(28, 28, 28, 0) 100%
  );
}

.carrito-items::after {
  bottom: 0;
  background: linear-gradient(
    to top,
    rgba(28, 28, 28, 1) 0%,
    rgba(28, 28, 28, 0) 100%
  );
}

/* ─────────────────────────────── */
/* 🔹 FADE INTELIGENTE (ocultar si no hay scroll) */
/* ─────────────────────────────── */
#carritoItems:not(:has(.carrito-item:nth-child(3)))::before,
#carritoItems:not(:has(.carrito-item:nth-child(3)))::after {
  display: none;
}