.converter-page {
  min-height: 100vh;
}

.converter-header {
  margin-bottom: 1.35rem;
}

.converter-header h1 {
  margin-bottom: 0.35rem;
}

.converter-header p {
  color: #7b8897;
  margin-bottom: 0;
}

.conversion-summary {
  color: #3b4b5e;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  min-height: 1.8rem;
}

.converter-controls {
  align-items: stretch;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: minmax(0, 1fr) 2.8rem minmax(0, 1fr);
}

.converter-field {
  background: #f7f9fa;
  border: 1px solid #e5eaee;
  border-radius: 0.75rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 8rem;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.converter-field:focus-within {
  border-color: #31b586;
  box-shadow: 0 0 0 3px rgba(49, 181, 134, 0.12);
}

.converter-input,
.converter-select {
  background: transparent;
  border: 0;
  color: #3b4b5e;
  min-width: 0;
  outline: 0;
}

.converter-input {
  font-size: 1.15rem;
  padding: 0.9rem 1rem;
}

.converter-input::placeholder {
  color: #b5bec8;
}

.converter-select {
  border-left: 1px solid #e5eaee;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.9rem 0.75rem;
}

.swap-units {
  align-items: center;
  align-self: center;
  background: #f7f9fa;
  border: 1px solid #e5eaee;
  border-radius: 50%;
  color: #5e6e80;
  cursor: pointer;
  display: flex;
  font-size: 1.2rem;
  height: 2.8rem;
  justify-content: center;
  padding: 0;
  transition: all 0.2s ease;
  width: 2.8rem;
}

.swap-units:hover {
  background: #31b586;
  border-color: #31b586;
  color: #fff;
  transform: rotate(180deg);
}

.converter-error {
  color: #e75b5b;
  font-size: 0.82rem;
  margin: 0.65rem 0 0;
  min-height: 1.2rem;
}

.results-heading {
  border-bottom: 1px solid #e5eaee;
  color: #7b8897;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 1.5rem 0 0;
  padding-bottom: 0.65rem;
}

.conversion-results {
  display: grid;
  gap: 0 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.result-item {
  align-items: center;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #e5eaee;
  color: #5e6e80;
  cursor: pointer;
  display: flex;
  font-size: 0.88rem;
  justify-content: space-between;
  min-width: 0;
  padding: 0.65rem 0;
  text-align: left;
}

.result-item:hover {
  color: #31b586;
}

.result-item:disabled {
  color: #aab3bd;
  cursor: default;
}

.result-item:disabled .result-value {
  color: #aab3bd;
}

.result-value {
  color: #3b4b5e;
  font-weight: 600;
  margin-right: 0.35rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-unit {
  flex: 0 0 auto;
}

.copy-notice {
  background: rgba(24, 32, 40, 0.9);
  border-radius: 0.35rem;
  color: #fff;
  font-size: 0.82rem;
  opacity: 0;
  padding: 0.55rem 0.8rem;
  pointer-events: none;
  position: fixed;
  right: 1.25rem;
  top: 1.25rem;
  transform: translateY(-0.5rem);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 1000;
}

.copy-notice.show {
  opacity: 1;
  transform: translateY(0);
}

.converter-help {
  color: #7b8897;
  font-size: 0.88rem;
  line-height: 1.8;
  margin-top: 1.5rem;
}

@media only screen and (max-width: 768px) {
  .converter-controls {
    grid-template-columns: 1fr;
  }

  .swap-units {
    justify-self: center;
    transform: rotate(90deg);
  }

  .swap-units:hover {
    transform: rotate(270deg);
  }

  .conversion-results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media only screen and (max-width: 480px) {
  .converter-field {
    grid-template-columns: minmax(0, 1fr) 6.8rem;
  }

  .conversion-results {
    grid-template-columns: 1fr;
  }
}