.tool-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.tool-form .full-row {
  grid-column: 1 / -1;
}

.tool-input,
.tool-select,
.text-input {
  width: 100%;
  padding: 10px 12px;
  color: var(--text);
  background: #fff;
  border: 1px solid #aebed0;
  border-radius: 7px;
  font: inherit;
}

.tool-input,
.tool-select {
  min-height: 48px;
}

.text-input {
  min-height: 240px;
  resize: vertical;
  line-height: 1.65;
}

.tool-input:focus,
.tool-select:focus,
.text-input:focus {
  outline: 3px solid rgba(46, 115, 214, 0.16);
  border-color: var(--blue);
}

.tool-hint {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tool-result {
  margin-top: 18px;
  padding: 16px 18px;
  background: #f8fbff;
  border: 1px solid #cfe0f5;
  border-left: 4px solid var(--blue);
  border-radius: 7px;
}

.tool-result strong {
  display: block;
  color: #132844;
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.35;
}

.tool-result p {
  margin: 5px 0 0;
  color: #4d6076;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.metric-card {
  padding: 13px;
  background: #f8fbff;
  border: 1px solid #cfe0f5;
  border-radius: 7px;
}

.metric-card span {
  display: block;
  color: #52677e;
  font-size: 14px;
}

.metric-card strong {
  display: block;
  margin-top: 3px;
  color: #132844;
  font-size: 25px;
  line-height: 1.3;
}

.status.is-error {
  color: #b42318;
}

@media (max-width: 820px) {
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .tool-form { grid-template-columns: 1fr; }
  .tool-actions .button { flex: 1 1 130px; }
}