#sidebar {
  overflow-y: auto;
  border-right: 1px solid rgba(255,255,255,0.08);
  background: #0b0f14;
}

#mountain-list {
  padding: 24px;
}

.mountain-card {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 18px;

  margin-bottom: 16px;
  padding: 15px;

  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);

  text-decoration: none;
  color: inherit;

  transition:
    transform 0.2s,
    border-color 0.2s,
    background 0.2s;
}

.mountain-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255,204,51,0.28);
  background: rgba(255,255,255,0.06);
}

.card-thumbnail {
  height: 150px;
  border-radius: 16px;
  overflow: hidden;
  background: #0c0f12;
}

.card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-content {
  min-width: 0;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.card-top h2 {
  margin: 0;
  font-size: 24px;
}

.card-top span {
  color: #d9b85f;
  font-weight: 700;
  white-space: nowrap;
}

.card-region {
  margin-top: 8px;
  color: #9eb0c2;
  font-size: 14px;
}

.card-meta {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.card-meta div {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
}

.card-meta label {
  display: block;
  margin-bottom: 4px;
  color: #8395a8;
  font-size: 11px;
}

.card-meta strong {
  font-size: 13px;
}


/*****************************************************************/
/*****************************************************************/

.mountain-card.is-active {
  background: rgba(255,255,255,0.065);
  border-color: rgba(217,184,95,0.24);
  box-shadow:
    inset 1.5px 0 0 rgba(217,184,95,0.6);
}

.mountain-card.is-active .card-thumbnail {
  box-shadow:
    0 0 0 1px rgba(217,184,95,0.15);
}

.mountain-card.is-active .card-top h2 {
  color: #ffffff;
}

.mountain-card.is-active .card-region {
  color: #b8c7d6;
}

.mountain-card.is-preview {
  transform: translateY(-2px);
  border-color: rgba(255,204,51,0.28);
  background: rgba(255,255,255,0.06);
}

/*****************************************************************/
/*****************************************************************/

@media (max-width: 768px) {
  #sidebar {
    order: 2;
    width: 100%;
    border-right: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    overflow: visible;
  }

  #mountain-list {
    padding: 16px;
  }

  .mountain-card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 18px;
    margin-bottom: 12px;
    border-radius: 18px;
  }

  .card-thumbnail {
    height: 180px;
  }

  .card-top h2 {
    font-size: 22px;
  }

  .card-meta {
    gap: 10px;
  }

  .card-meta div {
    padding: 10px;
  }
}