.tool-page {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

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

.tool-label {
  margin: 0 0 0.5rem;
  color: var(--main);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.tool-header h1 {
  margin: 0 0 1rem;
  color: var(--text);
}

.tool-header p {
  max-width: 700px;
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.tool-panel {
  padding: 2rem;
  background: var(--panel-background);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.conversion-mode {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.mode-button {
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel-background);
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 700;
}

.mode-button:hover {
  border-color: var(--main);
  color: var(--text);
}

.mode-button.active {
  border-color: var(--main);
  background: var(--main);
  color: var(--text-dark);
}

.tool-field {
  margin-bottom: 1.5rem;
}

.tool-field label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text);
  font-weight: 700;
}

.tool-field textarea {
  box-sizing: border-box;
  width: 100%;
  min-height: 220px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface-background);
  color: var(--text-dark);
  font-family: monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  resize: vertical;
}

.tool-field textarea:focus {
  outline: 2px solid var(--main);
  outline-offset: 1px;
}

.output-field {
  margin-top: 2rem;
  margin-bottom: 0;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.output-header label {
  margin-bottom: 0;
}

.output-actions {
  display: flex;
  gap: 0.5rem;
}

.output-field textarea {
  min-height: 280px;
}

.tool-actions {
  display: flex;
  gap: 0.75rem;
}

.tool-actions button {
  cursor: pointer;
}

.copy-button {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel-background);
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
}

.copy-button:hover:not(:disabled) {
  background: var(--main);
  color: var(--text-dark);
}

.copy-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.tool-error {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--error);
  border-radius: 4px;
  background: var(--panel-background);
  color: var(--error);
  font-weight: 700;
}

@media (max-width: 600px) {
  .tool-page {
    padding: 2rem 1rem 4rem;
  }

  .tool-panel {
    padding: 1.25rem;
  }

  .conversion-mode {
    flex-direction: column;
  }

  .mode-button {
    width: 100%;
  }

  .tool-actions {
    flex-direction: column;
  }

  .tool-actions button {
    width: 100%;
  }

  .output-header {
    align-items: stretch;
    flex-direction: column;
  }

  .output-actions {
    display: flex;
  }

  .output-actions button {
    flex: 1;
  }
}