.bill-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.bill-media {
  position: relative;
  border-radius: 24px;
  border: 1px solid rgba(96, 165, 250, 0.18);
  background: transparent;
  overflow: hidden;
  min-height: 300px;
  /* box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12); */
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  /* padding: 1.4rem; */
}

.bill-input {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1rem;
  border-radius: 14px;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  background: rgb(0 0 0 / 87%);
  border: 1px solid rgba(96, 165, 250, 0.35);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  min-height: 52px;
}

.bill-query {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(241, 245, 249, 0.92);
  overflow: hidden;
  white-space: nowrap;
  border-right: 1px solid rgba(241, 245, 249, 0.55);
  padding-right: 0.25rem;
  padding-left: 0.25rem;
  position: relative;
  min-height: 1.2em;
}

.bill-query::after {
  content: '';
  position: absolute;
  top: 0;
  right: -0.12rem;
  width: 1px;
  height: 100%;
  background: rgba(241, 245, 249, 0.55);
  animation: billCaret 0.75s step-end infinite;
}

.bill-input button {
  position: relative;
  border: none;
  border-radius: 12px;
  padding: 0.6rem 1rem;
  margin-left: auto;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(15, 23, 42, 0.88);
  background: white;
  box-shadow: 0 14px 24px rgba(59, 130, 246, 0.35);
  pointer-events: none;
  opacity: 0.9;
}

.bill-results {
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  height: 300px;
  padding: 0.5rem 0;
}

.bill-results.active {
  opacity: 1;
  transform: translateY(0);
  padding: 0.5rem 0;
}

.bill-results-track {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transform: translateY(0);
  transition: transform 6.5s cubic-bezier(0.32, 0.62, 0.23, 0.99);
  padding: 0.5rem 0;
}

.bill-results-track.scroll-up {
  transform: translateY(var(--bill-scroll-offset, -360px));
}

.bill-skeleton {
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(90deg, rgba(17, 24, 39, 0.32) 0%, rgba(35, 47, 62, 0.56) 50%, rgba(17, 24, 39, 0.32) 100%);
  background-size: 200% 100%;
  animation: billShimmer 1.4s linear infinite;
  padding: 0.85rem 0.9rem;
  width: 85%;
  margin-left: 10px;
}

.bill-card .primary-btn {
  box-shadow: 0 18px 36px rgba(34, 197, 94, 0.28);
}

@keyframes billCaret {
  0%, 50% {
    border-right-color: rgba(241, 245, 249, 0.55);
  }
  51%, 100% {
    border-right-color: transparent;
  }
}

@keyframes billShimmer {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 200% 0%;
  }
}