.tool-page {
  max-width: 900px;
  margin: 0 auto;
}

.tool-header {
  margin-bottom: 2rem;
}

.tool-header h1 {
  margin-bottom: 0.5rem;
  color: var(--main);
}

.tool-header p {
  margin: 0;
  color: var(--text-muted);
}

.tool-panel {
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--panel-background);
}

.tool-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tool-field label {
  font-weight: 700;
}

.tool-field textarea {
  width: 100%;
  min-height: 180px;
  padding: 1rem;
  resize: vertical;
  border: 1px solid var(--border);
  background: var(--page-background);
  color: var(--text);
  font: inherit;
  line-height: 1.5;
}

.tool-field textarea:focus {
  outline: none;
  border-color: var(--main);
}

.tool-field textarea::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.hash-results {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.hash-result {
  padding: 1rem;
  border: 1px solid var(--border);
  background: var(--panel-background);
}

.hash-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.hash-result-header h2 {
  margin: 0;
  font-size: 1rem;
}

.hash-copy {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.hash-result code {
  display: block;
  overflow-x: auto;
  padding: 0.75rem;
  background: var(--surface-background);
  color: var(--text-dark);
  font-family: monospace;
  line-height: 1.5;
  word-break: break-all;
}

.tool-error {
  margin-top: 1rem;
  padding: 1rem;
  border-left: 4px solid var(--error);
  background: var(--surface-background);
  color: var(--error);
}